{ "report": "2026 Los Angeles ADU Permit Report", "source": { "portal": "data.lacity.org", "dataset": "pi9x-tg5x", "dataset_url": "https://data.lacity.org/City-Infrastructure-Service-Requests/Building-and-Safety-Building-Permits-Issued-from-2/pi9x-tg5x", "extract_date": "2026-11-07" }, "measure": "ADUs and junior ADUs created by City of Los Angeles building permits (new, addition, alteration), counted from the adu_changed and junior_adu fields checked against the work description; revisions removed; matched January 1 - cutoff window each year", "matched_window": "Jan 1 - 10-31", "types": { "new_building": "a new building that is or contains an ADU, on a house lot", "with_new_house": "an ADU on the same permit as a new main house", "addition": "an ADU built as an addition, with no conversion", "garage_conversion": "a garage or carport converted, with or without an addition", "other_conversion": "other existing space converted (rec room, storage, part of the house, basement)", "multifamily": "any ADU on a lot permitted as an apartment or commercial building" }, "caveats": [ "Permits, not finished units: completion is not measured.", "Every way an ADU is permitted is counted. The September 2026 Residential Building Permit Report counted only new ADU buildings, so its figures are smaller.", "Counts depend on the City's ADU fields. Typing errors (square footage keyed as a unit count) are corrected; permits that describe an ADU but record none are not counted, so counts are a floor.", "ADU type is read from the work description and was hand-audited at about 95% accuracy.", "Detached ADUs on multifamily lots are counted from permits that cite the multifamily detached-ADU provision; citation habits can change.", "Application-to-issue days include time the application spends with the applicant, and cover only permits that were issued.", "The square_footage field is not used for sizes (it matches a stated ADU size only about 65% of the time). Declared valuation is not used: it is a fee figure.", "The community plan area field contains truncated duplicates of three areas; they are merged." ], "counts": { "permits_with_adu_fields": 42678, "revisions_removed": 2284, "permits_counted": 40168, "adus": 39996, "junior_adus": 3762, "units": 43758, "adu_field_over_60_counted_as_1": 4, "new_house_permits": 8129 }, "adu_permits_by_year": [ { "year": 2020, "window": "Jan 1 - 10-31", "units": 2736, "adus": 2640, "junior_adus": 96, "new_building": 445, "with_new_house": 16, "addition": 171, "garage_conversion": 1716, "other_conversion": 314, "multifamily": 74, "house_lot_new_construction": 632, "house_lot_conversion": 2030, "new_construction_share_house_lots_pct": 23.7, "new_adu_buildings": 444, "two_storey_new_adu_buildings": 108, "two_storey_share_pct": 24.3, "new_houses_outside_palisades": 860, "new_houses_with_adu_outside_palisades": 15, "new_houses_with_adu_outside_palisades_pct": 1.7, "new_houses_palisades": 47, "new_houses_with_adu_palisades": 1, "wildfire_rebuild_units": 0, "detached_on_multifamily_lots": 3, "apartment_lot_new_buildings": 0, "apartment_lot_conversions": 74, "legalization_permits": 1, "units_full_year": 3393 }, { "year": 2021, "window": "Jan 1 - 10-31", "units": 4316, "adus": 4025, "junior_adus": 291, "new_building": 799, "with_new_house": 42, "addition": 244, "garage_conversion": 2415, "other_conversion": 479, "multifamily": 337, "house_lot_new_construction": 1085, "house_lot_conversion": 2894, "new_construction_share_house_lots_pct": 27.3, "new_adu_buildings": 774, "two_storey_new_adu_buildings": 190, "two_storey_share_pct": 24.5, "new_houses_outside_palisades": 856, "new_houses_with_adu_outside_palisades": 34, "new_houses_with_adu_outside_palisades_pct": 4, "new_houses_palisades": 51, "new_houses_with_adu_palisades": 2, "wildfire_rebuild_units": 0, "detached_on_multifamily_lots": 43, "apartment_lot_new_buildings": 4, "apartment_lot_conversions": 333, "legalization_permits": 3, "units_full_year": 5227 }, { "year": 2022, "window": "Jan 1 - 10-31", "units": 6313, "adus": 5867, "junior_adus": 446, "new_building": 1415, "with_new_house": 153, "addition": 380, "garage_conversion": 3182, "other_conversion": 555, "multifamily": 628, "house_lot_new_construction": 1948, "house_lot_conversion": 3737, "new_construction_share_house_lots_pct": 34.3, "new_adu_buildings": 1354, "two_storey_new_adu_buildings": 333, "two_storey_share_pct": 24.6, "new_houses_outside_palisades": 1028, "new_houses_with_adu_outside_palisades": 104, "new_houses_with_adu_outside_palisades_pct": 10.1, "new_houses_palisades": 65, "new_houses_with_adu_palisades": 6, "wildfire_rebuild_units": 0, "detached_on_multifamily_lots": 120, "apartment_lot_new_buildings": 22, "apartment_lot_conversions": 606, "legalization_permits": 4, "units_full_year": 7445 }, { "year": 2023, "window": "Jan 1 - 10-31", "units": 5740, "adus": 5226, "junior_adus": 514, "new_building": 1381, "with_new_house": 195, "addition": 350, "garage_conversion": 2550, "other_conversion": 516, "multifamily": 748, "house_lot_new_construction": 1926, "house_lot_conversion": 3066, "new_construction_share_house_lots_pct": 38.6, "new_adu_buildings": 1254, "two_storey_new_adu_buildings": 354, "two_storey_share_pct": 28.2, "new_houses_outside_palisades": 886, "new_houses_with_adu_outside_palisades": 139, "new_houses_with_adu_outside_palisades_pct": 15.7, "new_houses_palisades": 55, "new_houses_with_adu_palisades": 7, "wildfire_rebuild_units": 0, "detached_on_multifamily_lots": 228, "apartment_lot_new_buildings": 17, "apartment_lot_conversions": 731, "legalization_permits": 10, "units_full_year": 6707 }, { "year": 2024, "window": "Jan 1 - 10-31", "units": 5930, "adus": 5307, "junior_adus": 623, "new_building": 1507, "with_new_house": 240, "addition": 370, "garage_conversion": 2625, "other_conversion": 590, "multifamily": 598, "house_lot_new_construction": 2117, "house_lot_conversion": 3215, "new_construction_share_house_lots_pct": 39.7, "new_adu_buildings": 1286, "two_storey_new_adu_buildings": 426, "two_storey_share_pct": 33.1, "new_houses_outside_palisades": 727, "new_houses_with_adu_outside_palisades": 186, "new_houses_with_adu_outside_palisades_pct": 25.6, "new_houses_palisades": 44, "new_houses_with_adu_palisades": 9, "wildfire_rebuild_units": 0, "detached_on_multifamily_lots": 398, "apartment_lot_new_buildings": 16, "apartment_lot_conversions": 582, "legalization_permits": 43, "units_full_year": 7069 }, { "year": 2025, "window": "Jan 1 - 10-31", "units": 6569, "adus": 5871, "junior_adus": 698, "new_building": 1736, "with_new_house": 297, "addition": 520, "garage_conversion": 2802, "other_conversion": 643, "multifamily": 571, "house_lot_new_construction": 2553, "house_lot_conversion": 3445, "new_construction_share_house_lots_pct": 42.6, "new_adu_buildings": 1478, "two_storey_new_adu_buildings": 529, "two_storey_share_pct": 35.8, "new_houses_outside_palisades": 716, "new_houses_with_adu_outside_palisades": 221, "new_houses_with_adu_outside_palisades_pct": 30.9, "new_houses_palisades": 385, "new_houses_with_adu_palisades": 31, "wildfire_rebuild_units": 48, "detached_on_multifamily_lots": 589, "apartment_lot_new_buildings": 66, "apartment_lot_conversions": 505, "legalization_permits": 83, "units_full_year": 7714 }, { "year": 2026, "window": "Jan 1 - 10-31", "units": 6203, "adus": 5648, "junior_adus": 555, "new_building": 1766, "with_new_house": 395, "addition": 505, "garage_conversion": 2110, "other_conversion": 651, "multifamily": 776, "house_lot_new_construction": 2666, "house_lot_conversion": 2761, "new_construction_share_house_lots_pct": 49.1, "new_adu_buildings": 1469, "two_storey_new_adu_buildings": 612, "two_storey_share_pct": 41.7, "new_houses_outside_palisades": 504, "new_houses_with_adu_outside_palisades": 194, "new_houses_with_adu_outside_palisades_pct": 38.5, "new_houses_palisades": 872, "new_houses_with_adu_palisades": 120, "wildfire_rebuild_units": 246, "detached_on_multifamily_lots": 746, "apartment_lot_new_buildings": 227, "apartment_lot_conversions": 549, "legalization_permits": 99, "units_full_year": null } ], "by_community_plan_area": [ { "community_plan_area": "Canoga Park-West Hills-Winnetka-Woodland Hills", "adu_units_since_2023": 2063, "new_houses_since_2023": 139, "adus_per_new_house": 14.8, "garage_conversion_share_pct": 57, "new_construction_share_pct": 31.5, "apartment_lot_units": 65 }, { "community_plan_area": "South Los Angeles", "adu_units_since_2023": 1804, "new_houses_since_2023": 58, "adus_per_new_house": 31.1, "garage_conversion_share_pct": 43.8, "new_construction_share_pct": 46.9, "apartment_lot_units": 223 }, { "community_plan_area": "Northeast Los Angeles", "adu_units_since_2023": 1519, "new_houses_since_2023": 253, "adus_per_new_house": 6, "garage_conversion_share_pct": 38.1, "new_construction_share_pct": 47.4, "apartment_lot_units": 121 }, { "community_plan_area": "West Adams - Baldwin Hills - Leimert", "adu_units_since_2023": 1462, "new_houses_since_2023": 96, "adus_per_new_house": 15.2, "garage_conversion_share_pct": 48.4, "new_construction_share_pct": 44.6, "apartment_lot_units": 174 }, { "community_plan_area": "North Hollywood - Valley Village", "adu_units_since_2023": 1460, "new_houses_since_2023": 127, "adus_per_new_house": 11.5, "garage_conversion_share_pct": 45.4, "new_construction_share_pct": 43.9, "apartment_lot_units": 222 }, { "community_plan_area": "Reseda - West Van Nuys", "adu_units_since_2023": 1438, "new_houses_since_2023": 115, "adus_per_new_house": 12.5, "garage_conversion_share_pct": 52.6, "new_construction_share_pct": 34.4, "apartment_lot_units": 13 }, { "community_plan_area": "Van Nuys - North Sherman Oaks", "adu_units_since_2023": 1436, "new_houses_since_2023": 197, "adus_per_new_house": 7.3, "garage_conversion_share_pct": 49.2, "new_construction_share_pct": 41.7, "apartment_lot_units": 225 }, { "community_plan_area": "Wilshire", "adu_units_since_2023": 1391, "new_houses_since_2023": 49, "adus_per_new_house": 28.4, "garage_conversion_share_pct": 57.4, "new_construction_share_pct": 33.6, "apartment_lot_units": 321 }, { "community_plan_area": "Southeast Los Angeles", "adu_units_since_2023": 1340, "new_houses_since_2023": 94, "adus_per_new_house": 14.3, "garage_conversion_share_pct": 33.9, "new_construction_share_pct": 57.7, "apartment_lot_units": 92 }, { "community_plan_area": "Sun Valley - La Tuna Canyon", "adu_units_since_2023": 1099, "new_houses_since_2023": 116, "adus_per_new_house": 9.5, "garage_conversion_share_pct": 48.1, "new_construction_share_pct": 40.7, "apartment_lot_units": 64 }, { "community_plan_area": "Mission Hills - Panorama City - North Hills", "adu_units_since_2023": 1079, "new_houses_since_2023": 82, "adus_per_new_house": 13.2, "garage_conversion_share_pct": 58.9, "new_construction_share_pct": 30.2, "apartment_lot_units": 49 }, { "community_plan_area": "Hollywood", "adu_units_since_2023": 1003, "new_houses_since_2023": 154, "adus_per_new_house": 6.5, "garage_conversion_share_pct": 44.5, "new_construction_share_pct": 41, "apartment_lot_units": 284 }, { "community_plan_area": "Granada Hills - Knollwood", "adu_units_since_2023": 947, "new_houses_since_2023": 61, "adus_per_new_house": 15.5, "garage_conversion_share_pct": 54.6, "new_construction_share_pct": 35.3, "apartment_lot_units": 4 }, { "community_plan_area": "Palms - Mar Vista - Del Rey", "adu_units_since_2023": 916, "new_houses_since_2023": 108, "adus_per_new_house": 8.5, "garage_conversion_share_pct": 48.7, "new_construction_share_pct": 44.3, "apartment_lot_units": 257 }, { "community_plan_area": "Arleta - Pacoima", "adu_units_since_2023": 797, "new_houses_since_2023": 66, "adus_per_new_house": 12.1, "garage_conversion_share_pct": 49.9, "new_construction_share_pct": 32.2, "apartment_lot_units": 4 }, { "community_plan_area": "Sunland-E LaTuna Cyn-Lakevw Ter-Shadow Hls-Tujunga", "adu_units_since_2023": 787, "new_houses_since_2023": 98, "adus_per_new_house": 8, "garage_conversion_share_pct": 50.7, "new_construction_share_pct": 37.1, "apartment_lot_units": 10 }, { "community_plan_area": "Northridge", "adu_units_since_2023": 673, "new_houses_since_2023": 56, "adus_per_new_house": 12, "garage_conversion_share_pct": 47.2, "new_construction_share_pct": 39.3, "apartment_lot_units": 35 }, { "community_plan_area": "Chatsworth - Porter Ranch", "adu_units_since_2023": 670, "new_houses_since_2023": 238, "adus_per_new_house": 2.8, "garage_conversion_share_pct": 51.1, "new_construction_share_pct": 39.5, "apartment_lot_units": 101 }, { "community_plan_area": "West Los Angeles", "adu_units_since_2023": 645, "new_houses_since_2023": 122, "adus_per_new_house": 5.3, "garage_conversion_share_pct": 46.9, "new_construction_share_pct": 46.1, "apartment_lot_units": 157 }, { "community_plan_area": "Encino - Tarzana", "adu_units_since_2023": 626, "new_houses_since_2023": 173, "adus_per_new_house": 3.6, "garage_conversion_share_pct": 32.7, "new_construction_share_pct": 55.4, "apartment_lot_units": 11 }, { "community_plan_area": "Brentwood - Pacific Palisades", "adu_units_since_2023": 624, "new_houses_since_2023": 1533, "adus_per_new_house": 0.4, "garage_conversion_share_pct": 12.5, "new_construction_share_pct": 83.1, "apartment_lot_units": 26 }, { "community_plan_area": "Sherman Oaks-Studio City-Toluca Lake-Cahuenga Pass", "adu_units_since_2023": 592, "new_houses_since_2023": 204, "adus_per_new_house": 2.9, "garage_conversion_share_pct": 35.8, "new_construction_share_pct": 54.5, "apartment_lot_units": 67 }, { "community_plan_area": "Silver Lake - Echo Park - Elysian Valley", "adu_units_since_2023": 555, "new_houses_since_2023": 195, "adus_per_new_house": 2.8, "garage_conversion_share_pct": 36.5, "new_construction_share_pct": 46.4, "apartment_lot_units": 100 }, { "community_plan_area": "Sylmar", "adu_units_since_2023": 554, "new_houses_since_2023": 41, "adus_per_new_house": 13.5, "garage_conversion_share_pct": 53.8, "new_construction_share_pct": 30.7, "apartment_lot_units": 13 }, { "community_plan_area": "Westchester - Playa del Rey", "adu_units_since_2023": 426, "new_houses_since_2023": 17, "adus_per_new_house": 25.1, "garage_conversion_share_pct": 57.2, "new_construction_share_pct": 34.8, "apartment_lot_units": 24 }, { "community_plan_area": "Boyle Heights", "adu_units_since_2023": 298, "new_houses_since_2023": 10, "adus_per_new_house": 29.8, "garage_conversion_share_pct": 31.2, "new_construction_share_pct": 47.6, "apartment_lot_units": 29 }, { "community_plan_area": "Wilmington - Harbor City", "adu_units_since_2023": 278, "new_houses_since_2023": 114, "adus_per_new_house": 2.4, "garage_conversion_share_pct": 43.5, "new_construction_share_pct": 50, "apartment_lot_units": 30 }, { "community_plan_area": "Venice", "adu_units_since_2023": 257, "new_houses_since_2023": 49, "adus_per_new_house": 5.2, "garage_conversion_share_pct": 46.6, "new_construction_share_pct": 39.7, "apartment_lot_units": 23 }, { "community_plan_area": "Harbor Gateway", "adu_units_since_2023": 245, "new_houses_since_2023": 31, "adus_per_new_house": 7.9, "garage_conversion_share_pct": 38.3, "new_construction_share_pct": 52.2, "apartment_lot_units": 36 }, { "community_plan_area": "San Pedro", "adu_units_since_2023": 234, "new_houses_since_2023": 11, "adus_per_new_house": 21.3, "garage_conversion_share_pct": 38.6, "new_construction_share_pct": 45, "apartment_lot_units": 63 }, { "community_plan_area": "Westlake", "adu_units_since_2023": 166, "new_houses_since_2023": 11, "adus_per_new_house": 15.1, "garage_conversion_share_pct": 24.8, "new_construction_share_pct": 61.9, "apartment_lot_units": 61 }, { "community_plan_area": "Westwood", "adu_units_since_2023": 159, "new_houses_since_2023": 35, "adus_per_new_house": 4.5, "garage_conversion_share_pct": 45.8, "new_construction_share_pct": 48.3, "apartment_lot_units": 39 }, { "community_plan_area": "Bel Air - Beverly Crest", "adu_units_since_2023": 111, "new_houses_since_2023": 67, "adus_per_new_house": 1.7, "garage_conversion_share_pct": 24.3, "new_construction_share_pct": 55.9, "apartment_lot_units": 0 }, { "community_plan_area": "Central City North", "adu_units_since_2023": 37, "new_houses_since_2023": 0, "adus_per_new_house": null, "garage_conversion_share_pct": 20, "new_construction_share_pct": 20, "apartment_lot_units": 32 }, { "community_plan_area": "Downtown", "adu_units_since_2023": 2, "new_houses_since_2023": 0, "adus_per_new_house": null, "garage_conversion_share_pct": 0, "new_construction_share_pct": 0, "apartment_lot_units": 0 } ], "valley_share_since_2023_pct": 51.5, "units_since_2023": 27693, "new_houses_since_2023": 4720, "approval_days_since_2023": [ { "adu_type": "new_building", "permits": 6184, "median_days": 192, "p25_days": 112, "p75_days": 363 }, { "adu_type": "with_new_house", "permits": 1273, "median_days": 202, "p25_days": 124, "p75_days": 384 }, { "adu_type": "addition", "permits": 1947, "median_days": 175, "p25_days": 95, "p75_days": 330 }, { "adu_type": "garage_conversion", "permits": 11083, "median_days": 111, "p25_days": 50, "p75_days": 224 }, { "adu_type": "other_conversion", "permits": 2635, "median_days": 101, "p25_days": 45, "p75_days": 214 }, { "adu_type": "multifamily", "permits": 1545, "median_days": 257, "p25_days": 141, "p75_days": 473 } ], "state_reference": { "source": "California HCD Annual Progress Report data, Table A2, City of Los Angeles, units in building permits issued in the report year", "url": "https://data.ca.gov/dataset/housing-element-annual-progress-report-apr-data-by-jurisdiction-and-year", "by_year": [ { "year": 2020, "adu_units": 3425, "single_family_units": 1186, "two_to_four_units": 1300, "five_plus_units": 10178, "other_units": 0, "all_units": 16089, "adu_share_pct": 21.3 }, { "year": 2021, "adu_units": 5066, "single_family_units": 1239, "two_to_four_units": 1122, "five_plus_units": 12204, "other_units": 0, "all_units": 19631, "adu_share_pct": 25.8 }, { "year": 2022, "adu_units": 7162, "single_family_units": 1387, "two_to_four_units": 1488, "five_plus_units": 17586, "other_units": 0, "all_units": 27623, "adu_share_pct": 25.9 }, { "year": 2023, "adu_units": 6513, "single_family_units": 1215, "two_to_four_units": 1242, "five_plus_units": 9803, "other_units": 0, "all_units": 18773, "adu_share_pct": 34.7 }, { "year": 2024, "adu_units": 7055, "single_family_units": 1101, "two_to_four_units": 1125, "five_plus_units": 7919, "other_units": 0, "all_units": 17200, "adu_share_pct": 41 }, { "year": 2025, "adu_units": 7450, "single_family_units": 1637, "two_to_four_units": 1153, "five_plus_units": 7829, "other_units": 0, "all_units": 18069, "adu_share_pct": 41.2 } ] } }