Los Angeles ADU Permit Report (2026)
Los Angeles is one of the most active ADU markets in the country. This report tracks how many Accessory Dwelling Units the City of Los Angeles is actually permitting — by year and by ZIP code — plus typical unit sizes and construction valuations. Every figure below is computed directly from the City's public LADBS permit dataset; nothing is estimated.
Data pulled August 17, 2026 · refreshed daily from LA City open data.
Los Angeles ADU permits at a glance
- ADU permits on record
- 35,287
- All LADBS ADU permits in the dataset
- Dwelling units added
- 30,207
- New units created by permitted ADUs
- Average unit size
- 821 sq ft
- Across 25,380 permits with size on file
- Average valuation
- $85,828
- Permit-declared construction value
Size and valuation averages use only permits with those fields populated (25,380 records).
ADU permits by year
Citywide ADU permit volume issued each year, by permit issue date.
2020
2021
2022
2023
2024
2025
2026
Top 10 ZIP codes by ADU permits
Where ADU activity concentrates across the City of Los Angeles.
91335
1,005 units added
91331
784 units added
91344
692 units added
90019
670 units added
91406
1,326 units added
91606
627 units added
91605
638 units added
91352
1,748 units added
90066
576 units added
90016
604 units added
Cite this report
Free to reference with attribution. Copy the citation below or link to the canonical URL.
1-800-ADU-Pros. "Los Angeles ADU Permit Report (2026)." Data source: City of Los Angeles Department of Building & Safety (LADBS), dataset pi9x-tg5x. Retrieved from https://1800adupros.com/reports/los-angeles-adu-permits-2026
Methodology & source data
Figures are computed from the City of Los Angeles building-permit dataset pi9x-tg5x on the LA City Open Data portal. We filter to permits where use_desc = 'Accessory Dwelling Unit' and aggregate with Socrata (SoQL) queries: permit counts and units added by issue year and by ZIP code, plus average square footage and valuation over permits where those fields are present.
The report renders server-side from a cached snapshot that refreshes daily, so the page stays fast without re-querying the open-data API on every visit. This snapshot was pulled August 17, 2026. Because LADBS updates its permit records over time, historical counts may shift slightly between pulls as backdated or amended permits are added.
Planning an ADU in Los Angeles?
Permit data shows the demand — these guides help you act on it with vetted, CSLB license-verified pros.
Pre-ADU Checkup — $499 — Get finalized permits, a pre-ADU checklist, and an on-site feasibility visit. Homeowners save $1,000s by doing this before engaging a contractor.