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California

Building Permits in Los Angeles County, California

PermitStack indexes 725,197 building permits issued in Los Angeles County, California, with 73,311 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.

725,197
Total permits
73,311
Last 12 months
5,235
Last 30 days
-35%
vs same period prior year
Aug 10, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

Electrical
12,777
Plumbing
10,434
New construction
10,107
Addition
7,834
Solar
6,755
Demolition
5,529
Roofing
5,256
Renovation
4,688
Interior remodel
4,396
Fire alarm
2,851

Permit data by trade in Los Angeles County

Drill into the most common permit categories in Los Angeles County.

Top contractors in Los Angeles County

Most active contractors by permit volume in Los Angeles County.

Most recent permits

The 10 most recent permits issued in Los Angeles County, California. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
2026-08-10UNC-ELEC2608060080651338 Kingsmill Avenue, Rowland Heights CA 91748ElectricalMAIN PANEL UPGRADE TO 200 AMP & 240 VOLT EV OUTLET
2026-08-10FCR080226-0909636 4th Avenue, La Puente CA 91746Fence(N) 212 LFT X 3.5' H (MAX) RETAINING WALL. (N) 93' LF X 2'-6" (M...
2026-08-10UNC-EXPR2608070023821014 W 223rd Street #2, Torrance CA 90502Solar5.400 KW DC 12 modules with micro-inverters
2026-08-10UNC-BLDR2608090077901218 Astra Drive, Rosemead CA 91770Roofing*PERMIT FOR MERMITTED AREAS ONLY*
2026-08-10UNC-MECH26080900333416059 Flamstead Drive, Hacienda Heights CA 91745HVACReplacement of 12k btu mini split Like for like
2026-08-10UNC-ELEC26080200787315735 Lanfair Avenue, Lancaster CA 93535ElectricalMain service upgrade to 200amp
2026-08-10UNC-BLDG26080300134241654 22nd Street W, Palmdale CA 93551DemolitionRemove mobile home from property to clear code case
2026-08-10UNC-BLDR2608060077256112 Condon Avenue, Los Angeles CA 90056Interior remodelRemodel the powder room and kitchen like for like
2026-08-10UNC-ELEC26080600808213944 Ragus Street, La Puente CA 91746Electricalpanel upgrade to 200A,EV outlet installation
2026-08-10UNC-EXPR2608070023871014 W 223rd Street #4, Torrance CA 90502Solar5.400 KW DC 12 modules with micro-inverters

Access Los Angeles County permit data via API

Query Los Angeles County, California permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.

# Search all Los Angeles County permits issued this month
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.permit-stack.com/v1/permits/search?city=Los%20Angeles%20County&state=CA&issued_after=2026-04-01"

Other cities we cover

Related coverage in California and nationwide.

FAQ

Where does PermitStack get Los Angeles County permit data?

We ingest data directly from the official Los Angeles County open data portal (ArcGIS Hub) daily. This is the same source used by the city's own public dashboards, normalized into a consistent JSON schema across our U.S. jurisdictions.

How current is the Los Angeles County data?

Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Los Angeles County, California was issued on August 10, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.

Can I access Los Angeles County permits without an API key?

Yes — our free tier includes 100 requests per day, enough to search and filter Los Angeles County permits interactively. Sign up for a free API key to get started.

Can I export Los Angeles County permit data?

Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Real-time webhooks for changed permits are on the Developer plan and above.

How long does a Los Angeles County building permit take to issue?

The median time from permit filing to issuance in Los Angeles County, California is 4 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.

Get Los Angeles County permit data in your app today

Free tier covers 100 requests per day. No credit card required.

Get Free API Key