{ "page": { "schema_version": 2, "tenant": "aubree-chavarriga", "community": { "slug": "altadena", "name": "Altadena", "kind": "cdp", "jurisdiction": null, "county": "Los Angeles", "state": "CA", "postal_codes": [ "91001" ], "tier": 1 }, "intent": "homes-for-sale", "as_of": "2026-10-22", "module_flags_sha256": "886b0fcf2449ff8892a5d1ffac2a2d96060d7f5a598da9e971a547436937db44", "gate": { "indexable": true, "tier": 1, "reasons": [], "edge_conditional": true }, "facts": { "geo.land_sq_mi": { "source_layer": "tigerweb_place", "source_name": "U.S. Census Bureau TIGERweb", "license": "US Government work (public domain, 17 U.S.C. 105); credit U.S. Census Bureau", "n": null, "value": 8.5, "display": "8.5", "unit": "square miles", "as_of": "2020-04-01", "window": "2020 Census geography", "label": "Land area inside Altadena", "geography": "Altadena Census place boundary" }, "geo.geography_type": { "source_layer": "tigerweb_place", "source_name": "U.S. Census Bureau TIGERweb", "license": "US Government work (public domain, 17 U.S.C. 105); credit U.S. Census Bureau", "n": null, "value": "Census Designated Place", "display": "Census Designated Place", "unit": null, "as_of": "2026-10-21", "window": "current boundaries retrieved 2026-10-21", "label": "Census geography type that defines the boundary used for the statistics of Altadena", "geography": "Altadena Census place boundary" }, "poi.parks_count": { "source_layer": "osm_overpass", "source_name": "OpenStreetMap", "license": "ODbL 1.0; credit (c) OpenStreetMap contributors", "n": null, "as_of": "2026-10-21", "window": "snapshot 2026-10-21", "value": 4, "display": "4", "unit": "named parks", "label": "Named parks mapped in OpenStreetMap inside the boundary of Altadena", "geography": "Altadena Census place boundary" }, "poi.parks_listed": { "source_layer": "osm_overpass", "source_name": "OpenStreetMap", "license": "ODbL 1.0; credit (c) OpenStreetMap contributors", "n": null, "as_of": "2026-10-21", "window": "snapshot 2026-10-21", "value": [ "Charles S. Farnsworth Park", "Charles White Park", "Loma Alta Park", "Mount Lowe Park" ], "display": "Charles S. 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credit (c) OpenStreetMap contributors", "n": null, "as_of": "2026-10-21", "window": "snapshot 2026-10-21", "value": 24, "display": "24", "unit": "named trails", "label": "Named trails and paths mapped in OpenStreetMap inside or within about 0.5 mile of the boundary of Altadena", "geography": "Altadena Census place boundary" }, "poi.trails_listed": { "source_layer": "osm_overpass", "source_name": "OpenStreetMap", "license": "ODbL 1.0; credit (c) OpenStreetMap contributors", "n": null, "as_of": "2026-10-21", "window": "snapshot 2026-10-21", "value": [ "Altadena Crest Access Trail", "Altadena Crest Trail", "Altadena Crest Trail Connector", "Camp Huntington Trail", "Chaney Trail", "El Prieto Trail" ], "display": "Altadena Crest Access Trail, Altadena Crest Trail, Altadena Crest Trail Connector, Camp Huntington Trail, Chaney Trail, El Prieto Trail", "unit": null, "label": "Names of up to 6 of those trails, nearest first", "geography": "Altadena Census place boundary" }, "geo.county": { "source_layer": "tigerweb_place", "source_name": "U.S. Census Bureau TIGERweb", "license": "US Government work (public domain, 17 U.S.C. 105); credit U.S. Census Bureau", "n": null, "as_of": "2026-10-21", "window": "current boundaries retrieved 2026-10-21", "value": "Los Angeles", "display": "Los Angeles County", "unit": null, "label": "County that contains the interior point of Altadena", "geography": "Altadena Census place boundary" }, "geo.unincorporated_share_pct": { "source_layer": "tigerweb_place", "source_name": "U.S. Census Bureau TIGERweb", "license": "US Government work (public domain, 17 U.S.C. 105); credit U.S. Census Bureau", "n": null, "as_of": "2026-10-21", "window": "current boundaries retrieved 2026-10-21", "value": 99.7, "display": "99.7", "unit": "percent of sampled boundary area", "label": "Share of Altadena outside every incorporated city (grid sample of 920 points)", "geography": "Altadena Census place boundary" }, "acs.pop_est": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 41705, "display": "41,705", "unit": "people", "label": "Estimated population of Altadena (ACS estimate; margin of error +/-2,203)", "geography": "Altadena Census place" }, "acs.hu_est": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 15815, "display": "15,815", "unit": "housing units", "label": "Estimated housing units in Altadena (ACS table B25001)", "geography": "Altadena Census place" }, "acs.housing.occupied": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 15092, "display": "15,092", "unit": "occupied housing units", "label": "Estimated occupied housing units in Altadena (ACS table B25003)", "geography": "Altadena Census place" }, "acs.housing.owner_count": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 11603, "display": "11,603", "unit": "owner-occupied units", "label": "Estimated owner-occupied housing units in Altadena", "geography": "Altadena Census place" }, "acs.housing.renter_count": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 3489, "display": "3,489", "unit": "renter-occupied units", "label": "Estimated renter-occupied housing units in Altadena", "geography": "Altadena Census place" }, "acs.housing.owner_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 76.9, "display": "76.9", "unit": "percent of occupied housing units", "label": "Share of occupied housing units that are owner-occupied in Altadena (computed in code from two ACS counts)", "geography": "Altadena Census place" }, "acs.housing.renter_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 23.1, "display": "23.1", "unit": "percent of occupied housing units", "label": "Share of occupied housing units that are renter-occupied in Altadena (computed in code from two ACS counts)", "geography": "Altadena Census place" }, "acs.housing.median_year_built": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 1946, "display": "1946", "unit": "year", "label": "Median year the housing structures in Altadena were built (ACS table B25035)", "geography": "Altadena Census place" }, "acs.housing.median_value": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 1120000, "display": "$1,120,000", "unit": "US dollars", "label": "Median value of owner-occupied housing units in Altadena (ACS table B25077; owner-reported; margin of error +/-$29,753)", "geography": "Altadena Census place" }, "acs.housing.median_rent": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 2355, "display": "$2,355", "unit": "US dollars per month", "label": "Median gross rent in Altadena (ACS table B25064; margin of error +/-$174)", "geography": "Altadena Census place" }, "acs.commute.workers": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 15111, "display": "15,111", "unit": "workers", "label": "Workers aged 16 and over who do not work from home, with a reported travel time (ACS table B08303), in Altadena", "geography": "Altadena Census place" }, "acs.commute.under20_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 38.7, "display": "38.7", "unit": "percent of commuting workers", "label": "Share of commuting workers with a one-way commute under 20 minutes in Altadena (computed in code from ACS B08303 bins)", "geography": "Altadena Census place" }, "acs.commute.20_44_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 43.5, "display": "43.5", "unit": "percent of commuting workers", "label": "Share of commuting workers with a one-way commute of 20 to 44 minutes in Altadena (computed in code from ACS B08303 bins)", "geography": "Altadena Census place" }, "acs.commute.45plus_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 17.8, "display": "17.8", "unit": "percent of commuting workers", "label": "Share of commuting workers with a one-way commute of 45 minutes or more in Altadena (computed in code from ACS B08303 bins)", "geography": "Altadena Census place" }, "acs.commute.drive_alone_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 62.3, "display": "62.3", "unit": "percent of workers", "label": "Share of workers aged 16 and over who drive alone to work in Altadena (computed in code from ACS table B08301)", "geography": "Altadena Census place" }, "acs.commute.carpool_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 6.4, "display": "6.4", "unit": "percent of workers", "label": "Share of workers aged 16 and over who carpool to work in Altadena (computed in code from ACS table B08301)", "geography": "Altadena Census place" }, "acs.commute.transit_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 1.5, "display": "1.5", "unit": "percent of workers", "label": "Share of workers aged 16 and over who take public transportation to work in Altadena (computed in code from ACS table B08301)", "geography": "Altadena Census place" }, "acs.commute.walk_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 0.7, "display": "0.7", "unit": "percent of workers", "label": "Share of workers aged 16 and over who walk to work in Altadena (computed in code from ACS table B08301)", "geography": "Altadena Census place" }, "acs.commute.home_share": { "source_layer": "census_acs5", "source_name": "U.S. Census Bureau American Community Survey 5-year", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "n": null, "as_of": "2024-12-31", "window": "2020-2024", "value": 25.4, "display": "25.4", "unit": "percent of workers", "label": "Share of workers aged 16 and over who work from home in Altadena (computed in code from ACS table B08301)", "geography": "Altadena Census place" }, "haz.fhsz.very_high_pct": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": 27.8, "display": "27.8", "unit": "percent of sampled boundary area", "label": "Share of Altadena inside a CAL FIRE Very High Fire Hazard Severity Zone (grid sample of 920 points on a 40 by 40 grid)", "geography": "Altadena Census place boundary" }, "haz.fhsz.high_pct": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": 0, "display": "0.0", "unit": "percent of sampled boundary area", "label": "Share of Altadena inside a CAL FIRE High Fire Hazard Severity Zone (grid sample of 920 points on a 40 by 40 grid)", "geography": "Altadena Census place boundary" }, "haz.fhsz.moderate_pct": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": 0, "display": "0.0", "unit": "percent of sampled boundary area", "label": "Share of Altadena inside a CAL FIRE Moderate Fire Hazard Severity Zone (grid sample of 920 points on a 40 by 40 grid)", "geography": "Altadena Census place boundary" }, "haz.fhsz.federal_pct": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": 6.2, "display": "6.2", "unit": "percent of sampled boundary area", "label": "Share of Altadena inside a Federal Responsibility Area (CAL FIRE assigns no hazard class there) (grid sample of 920 points on a 40 by 40 grid)", "geography": "Altadena Census place boundary" }, "haz.fhsz.none_pct": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": 66, "display": "66.0", "unit": "percent of sampled boundary area", "label": "Share of Altadena outside every mapped CAL FIRE Fire Hazard Severity Zone polygon (grid sample of 920 points on a 40 by 40 grid)", "geography": "Altadena Census place boundary" }, "haz.fhsz.responsibility_areas": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": [ "FRA", "LRA", "SRA" ], "display": "FRA, LRA, SRA", "unit": null, "label": "Responsibility areas (SRA state, LRA local, FRA federal) of the mapped zones inside Altadena", "geography": "Altadena Census place boundary" }, "haz.fhsz.map_vintage": { "source_layer": "calfire_fhsz", "source_name": "CAL FIRE Fire Hazard Severity Zones", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "n": null, "as_of": "2026-10-21", "window": "maps adopted SRA 2007, LRA 2011", "value": "SRA 2007, LRA 2011", "display": "SRA 2007, LRA 2011", "unit": null, "label": "Map vintages named in the CAL FIRE layer titles: State Responsibility Areas (2007), Local Responsibility Areas (2011)", "geography": "Altadena Census place boundary" }, "haz.flood.sfha_pct": { "source_layer": "fema_nfhl", "source_name": "FEMA National Flood Hazard Layer", "license": "US Government work (17 U.S.C. 105); 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Jackson STEAM Multilingual Magnet Elementary, OCS - South, Webster Elementary", "unit": null, "label": "Names of up to 8 of those public schools, alphabetical (no ratings or quality information)", "geography": "Altadena Census place boundary" }, "school.district_ids": { "source_layer": "nces_edge", "source_name": "NCES EDGE public school locations", "license": "US Government work, public domain (IES permission-to-replicate statement)", "n": null, "as_of": "2026-10-21", "window": "school year 2024-2025", "value": 2, "display": "2", "unit": "school district identifiers", "label": "Distinct NCES school district (LEA) identifiers among those schools", "geography": "Altadena Census place boundary" }, "school.near_count": { "source_layer": "nces_edge", "source_name": "NCES EDGE public school locations", "license": "US Government work, public domain (IES permission-to-replicate statement)", "n": null, "as_of": "2026-10-21", "window": "school year 2024-2025", "value": 11, "display": "11", "unit": "public schools", "label": "Public school locations (NCES EDGE) outside the boundary of Altadena but within one mile of it", "geography": "Altadena Census place boundary" }, "school.near_names_listed": { "source_layer": "nces_edge", "source_name": "NCES EDGE public school locations", "license": "US Government work, public domain (IES permission-to-replicate statement)", "n": null, "as_of": "2026-10-21", "window": "school year 2024-2025", "value": [ "Odyssey Charter", "John Muir High", "Marshall Fundamental", "Longfellow (Henry W.) Elementary", "Pasadena High", "Norma Coombs Elementary" ], "display": "Odyssey Charter, John Muir High, Marshall Fundamental, Longfellow (Henry W.) Elementary, Pasadena High, Norma Coombs Elementary", "unit": null, "label": "Names of up to 6 of those nearby public schools, nearest first (no ratings or quality information)", "geography": "Altadena Census place boundary" }, "elev.min_ft": { "source_layer": "usgs_epqs", "source_name": "USGS 3DEP Elevation Point Query Service", "license": "US Government work, U.S. Public Domain", "n": null, "as_of": "2026-10-21", "window": "elevation sampled 2026-10-21", "value": 947, "display": "947", "unit": "feet", "label": "Lowest sampled ground elevation above sea level (27 grid points inside Altadena)", "geography": "Altadena Census place boundary" }, "elev.max_ft": { "source_layer": "usgs_epqs", "source_name": "USGS 3DEP Elevation Point Query Service", "license": "US Government work, U.S. Public Domain", "n": null, "as_of": "2026-10-21", "window": "elevation sampled 2026-10-21", "value": 1990, "display": "1,990", "unit": "feet", "label": "Highest sampled ground elevation above sea level (27 grid points inside Altadena)", "geography": "Altadena Census place boundary" }, "elev.median_ft": { "source_layer": "usgs_epqs", "source_name": "USGS 3DEP Elevation Point Query Service", "license": "US Government work, U.S. Public Domain", "n": null, "as_of": "2026-10-21", "window": "elevation sampled 2026-10-21", "value": 1273, "display": "1,273", "unit": "feet", "label": "Median sampled ground elevation above sea level (27 grid points inside Altadena)", "geography": "Altadena Census place boundary" }, "elev.range_ft": { "source_layer": "usgs_epqs", "source_name": "USGS 3DEP Elevation Point Query Service", "license": "US Government work, U.S. Public Domain", "n": null, "as_of": "2026-10-21", "window": "elevation sampled 2026-10-21", "value": 1043, "display": "1,043", "unit": "feet", "label": "Difference between highest and lowest sampled elevation (27 grid points inside Altadena)", "geography": "Altadena Census place boundary" }, "transit.buffer_miles": { "source_layer": "lametro_gtfs", "source_name": "LA Metro GTFS schedule data", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "n": null, "as_of": "2026-10-22", "window": "2026-10-22", "value": 0.5, "display": "0.5", "unit": "miles", "label": "Distance from the boundary line within which nearby stops and stations are counted: 805 meters, which is 0.5 mile", "geography": "Altadena Census place boundary" }, "transit.bus_stops_count": { "source_layer": "lametro_gtfs", "source_name": "LA Metro GTFS schedule data", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "n": null, "as_of": "2026-10-22", "window": "2026-10-22", "value": 62, "display": "62", "unit": "Metro bus stops", "label": "LA Metro bus stops located inside the boundary of Altadena (zero when the feed places none there)", "geography": "Altadena Census place boundary" }, "transit.bus_routes_count": { "source_layer": "lametro_gtfs", "source_name": "LA Metro GTFS schedule data", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "n": null, "as_of": "2026-10-22", "window": "2026-10-22", "value": 3, "display": "3", "unit": "Metro bus routes", "label": "Distinct LA Metro bus routes with scheduled service at the stops inside the boundary", "geography": "Altadena Census place boundary" }, "transit.bus_stops_near_count": { "source_layer": "lametro_gtfs", "source_name": "LA Metro GTFS schedule data", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "n": null, "as_of": "2026-10-22", "window": "2026-10-22", "value": 88, "display": "88", "unit": "Metro bus stops", "label": "LA Metro bus stops inside the boundary of Altadena or within about 0.5 mile of it", "geography": "Altadena Census place boundary" }, "transit.bus_routes_near_count": { "source_layer": "lametro_gtfs", "source_name": "LA Metro GTFS schedule data", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "n": null, "as_of": "2026-10-22", "window": "2026-10-22", "value": 3, "display": "3", "unit": "Metro bus routes", "label": "Distinct LA Metro bus routes with scheduled service at those stops", "geography": "Altadena Census place boundary" } }, "citation_sentences": [], "modules": { "summary_sale": { "text": "Homes for sale in Altadena from the MLS appear below with the listing broker named on every listing. Below them is public-data context for buyers.", "derived": true }, "market_buy": null, "faq_sale": { "items": [ { "q": "What is the median value of owner-occupied homes in Altadena?", "a": "In the Altadena Census place, the median value of owner-occupied homes is $1,120,000. Owners reported this value in a survey, so it is an estimate and not a sale price or a listing price for any single home. The figure covers every owner-occupied home in that area. Altadena is in Los Angeles County." }, { "q": "What share of Altadena lies in a CAL FIRE Very High Fire Hazard Severity Zone?", "a": "In the Altadena Census place boundary, 27.8 percent of the sampled area is in a CAL FIRE Very High Fire Hazard Severity Zone. The share comes from a grid sample of the boundary. It is a mapped share, not a forecast." }, { "q": "Which public schools are near Altadena?", "a": "NCES lists 11 public school locations outside the Altadena Census place boundary but within one mile of it. Nearest are Odyssey Charter, John Muir High and Marshall Fundamental. Verify attendance boundaries with the school district." }, { "q": "Which public schools are located in Altadena?", "a": "NCES lists 5 public school locations in the Altadena Census place boundary. Examples are Altadena Elementary, Charles W. Eliot Middle and Mary W. Jackson STEAM Multilingual Magnet Elementary. The list shows where schools are located, not which school serves an address. Verify attendance boundaries with the school district." }, { "q": "How old are the homes in Altadena?", "a": "In the Altadena Census place, the median home was built in 1946. A median means half of the homes were built earlier and half later. The figure covers all housing structures in that area. These are survey and map estimates for the whole area, not figures for any single home." } ], "audience": "buyer", "derived": false }, "nearby": [ { "slug": "pasadena", "relation": "adjacent", "path": "/communities/pasadena/" }, { "slug": "glendale", "relation": "also", "path": "/communities/glendale/" }, { "slug": "la-canada-flintridge", "relation": "also", "path": "/communities/la-canada-flintridge/" }, { "slug": "la-crescenta-montrose", "relation": "also", "path": "/communities/la-crescenta-montrose/" }, { "slug": "lake-view-terrace", "relation": "also", "path": "/communities/lake-view-terrace/" }, { "slug": "shadow-hills", "relation": "also", "path": "/communities/shadow-hills/" }, { "slug": "sunland", "relation": "also", "path": "/communities/sunland/" }, { "slug": "sylmar", "relation": "also", "path": "/communities/sylmar/" }, { "slug": "tujunga", "relation": "also", "path": "/communities/tujunga/" } ], "market_context": { "heading": "Buying in Altadena: Census reference points", "rows": [ { "label": "Median home value (owner-reported)", "value": "$1,120,000", "source": "Census ACS 5-year, 2020-2024", "as_of": "2024-12-31" }, { "label": "Owner-occupied share of occupied homes", "value": "76.9%", "source": "Census ACS 5-year, 2020-2024", "as_of": "2024-12-31" }, { "label": "Owner-occupied housing units", "value": "11,603", "source": "Census ACS 5-year, 2020-2024", "as_of": "2024-12-31" }, { "label": "Median year homes were built", "value": "1946", "source": "Census ACS 5-year, 2020-2024", "as_of": "2024-12-31" }, { "label": "Housing units (ACS estimate)", "value": "15,815", "source": "Census ACS 5-year, 2020-2024", "as_of": "2024-12-31" } ], "text": "Altadena figures in this section describe the Altadena Census place. The median value of owner-occupied homes is $1,120,000. Owners report this value, so it is an estimate and not a sale price. 76.9 percent of occupied homes are owner-occupied, an estimated 11,603 homes. The median home was built in 1946. The survey estimates 15,815 housing units.\n\nSource: U.S. Census Bureau American Community Survey 5-year, 2020-2024.", "note": "Active-listing and sold-price statistics are not shown because the MLS feed is not approved yet; these are survey reference points, not market prices." }, "guide": { "heading": "What should a buyer check in Altadena?", "items": [ "Hazard zones. Zone shares describe the area, not one property: 27.8 percent inside a CAL FIRE Very High Fire Hazard Severity Zone (SRA 2007, LRA 2011) and 0.0 percent inside a FEMA Special Flood Hazard Area. Confirm the zones for a specific parcel during due diligence.", "Home age. The median home here was built in 1946. Ask what has been updated (roof, electrical, plumbing, foundation) and read the inspection reports.", "Cost. Price is one part of monthly cost. Include property tax, insurance and any HOA dues, then compare with renting in the calculator below." ] }, "own_vs_rent_inputs": { "status": "inputs_only", "as_of": "2026-10-22", "formula_version": 1, "note": "Inputs for a client-side calculator and a static worked example. The model computes nothing; code does. No result is shown as advice.", "buyer": { "home_price": { "fact_id": "acs.housing.median_value", "value": 1120000, "display": "$1,120,000", "unit": "US dollars", "basis": "ACS median value of owner-occupied homes (survey estimate); editable", "geography": "Altadena Census place", "editable": true }, "down_payment_pct": { "value": 20, "unit": "percent", "basis": "editable default, not a recommendation", "editable": true }, "term_years": { "value": 30, "unit": "years", "basis": "editable default", "editable": true }, "interest_rate_pct": { "value": null, "unit": "percent per year", "basis": "enter a current published rate; no licensed rate source is wired", "editable": true }, "property_tax_rate_pct": { "value": 1, "unit": "percent of assessed value per year", "basis": "California base rate under Cal. Const. art. XIII A sec. 1; local voter-approved and direct assessments are extra and not included", "editable": true }, "insurance_annual": { "value": null, "unit": "US dollars per year", "basis": "user quote; no figure is bundled because insurance cost varies by property", "editable": true }, "hoa_monthly": { "value": null, "unit": "US dollars per month", "basis": "from the listing when one is chosen", "editable": true } }, "renter": { "monthly_rent": { "fact_id": "acs.housing.median_rent", "value": 2355, "display": "$2,355", "unit": "US dollars per month", "basis": "ACS median gross rent (survey estimate); editable", "geography": "Altadena Census place", "editable": true }, "renters_insurance_monthly": { "value": null, "unit": "US dollars per month", "basis": "user quote; none bundled", "editable": true } }, "formulas": { "loan_amount": "home_price * (1 - down_payment_pct / 100)", "monthly_principal_interest": "loan_amount * r / (1 - (1 + r) ^ -n), r = interest_rate_pct / 1200, n = term_years * 12", "monthly_property_tax": "home_price * property_tax_rate_pct / 1200", "monthly_owner_cost": "monthly_principal_interest + monthly_property_tax + insurance_annual / 12 + hoa_monthly", "monthly_renter_cost": "monthly_rent + renters_insurance_monthly" } }, "own_vs_rent": { "text": "The calculator below starts from public figures for Altadena, and every value is editable: home price $1,120,000 (ACS median value of owner-occupied homes (survey estimate), Altadena Census place); down payment 20 percent and a 30-year term (editable defaults, not recommendations); property tax at 1 percent of price (the California base rate; local assessments are extra); monthly rent $2,355 (ACS median gross rent (survey estimate), Altadena Census place). Interest rate, home insurance, HOA dues, renters insurance are left blank because no licensed rate source is connected and these vary by borrower and property; enter your own figures to see a monthly cost. Nothing is stored or sent.", "derived": true, "from_inputs": true } }, "sources": [ { "layer": "tigerweb_place", "license": "US Government work (public domain, 17 U.S.C. 105); credit U.S. Census Bureau", "as_of": "2026-10-21" }, { "layer": "osm_overpass", "license": "ODbL 1.0; credit (c) OpenStreetMap contributors", "as_of": "2026-10-21" }, { "layer": "census_acs5", "license": "US Government work (public domain); Census Bureau Data API terms: attribution notice required", "as_of": "2026-10-21" }, { "layer": "calfire_fhsz", "license": "No restrictions on distribution; cite California Department of Forestry and Fire Protection as the original source", "as_of": "2026-10-21" }, { "layer": "fema_nfhl", "license": "US Government work (17 U.S.C. 105); FEMA.gov reuse statement", "as_of": "2026-10-21" }, { "layer": "nces_edge", "license": "US Government work, public domain (IES permission-to-replicate statement)", "as_of": "2026-10-21" }, { "layer": "usgs_epqs", "license": "US Government work, U.S. Public Domain", "as_of": "2026-10-21" }, { "layer": "lametro_gtfs", "license": "LA Metro Open Data Terms and Conditions; credit LA Metro", "as_of": "2026-10-22" } ], "entities": [ "Altadena", "Los Angeles County", "California", "Charles S. Farnsworth Park", "Charles White Park", "Loma Alta Park", "Mount Lowe Park", "Altadena Public Library", "Altadena Crest Access Trail", "Altadena Crest Trail", "Altadena Crest Trail Connector", "Camp Huntington Trail", "Chaney Trail", "El Prieto Trail", "Altadena Elementary", "Charles W. Eliot Middle", "Mary W. Jackson STEAM Multilingual Magnet Elementary", "OCS - South", "Webster Elementary", "Odyssey Charter", "John Muir High", "Marshall Fundamental", "Longfellow (Henry W.) Elementary", "Pasadena High", "Norma Coombs Elementary" ], "content_hash": "1deae7a95319c1d38669d12f8fd78245deb2ab6abcbcfe1b1e5e925b1736fa25" }, "compliance": { "dre_line": "Aubree Chavarriga, REALTOR(R) | CalDRE #02232602 | Trevino Properties, Inc. | DRE #01976015 | 2600 Foothill Blvd. Ste. 302, La Crescenta, CA 91214", "eho_statement": "Equal Housing Opportunity. We pledge to provide equal housing opportunity to all persons without regard to race, color, religion, sex, disability, familial status or national origin.", "ai_disclosure": "Content assisted by AI from structured data and reviewed per our editorial policy." }, "live": {} }