WCAB offices / Los Angeles
Los Angeles & vicinity · DWC code LAO

WCAB Los Angeles district office

The Workers’ Compensation Appeals Board district office serving Los Angeles. Court runs 8:30 a.m. – 12:00 p.m. and 1:30 p.m. – 5:00 p.m.; below are the address, the lobby and walk-through windows, and which DWC units you can reach in the building.

Address
320 W. 4th Street, 9th Floor
Los Angeles, CA 90013-1954
213-576-7335Directions
The busiest board in the state and one of only two offices with the Audit Unit, SIBTF and UEBTF all on site.

Hours

Court sessions
8:30 a.m. – 12:00 p.m. and 1:30 p.m. – 5:00 p.m.
Lobby
Opens 30 minutes before each court session, Monday–Friday (except holidays)
Walk-through
8:00 a.m. – 11:00 a.m. and 1:00 p.m. – 4:00 p.m., Monday–Friday

Units in this building

Audit
Audit Unit
Audits claims administrators for benefit-delivery compliance.
DEU
Disability Evaluation Unit
Prepares the formal (summary and consultative) permanent-disability ratings.
I&A
Information & Assistance
Free help for unrepresented injured workers — forms, procedure, and benefit questions.
SIBTF
Subsequent Injuries Benefits Trust Fund
The fund that pays when a prior disability combines with the new injury past 70%.
UEBTF
Uninsured Employers Benefits Trust Fund
The fund that pays when the employer was illegally uninsured.

Getting there

Parking
The adjacent lot runs about $13/day and the lot across the street about $12/day; a Hill Street lot is about $14/day. Cheaper $5–$10 lots exist but fill early.
Transit
Metro B/D Line (Red/Purple) to Pershing Square; Metro and DASH bus routes serve the block.

Before you go

What happens at a WCAB hearingMSC, the discovery-closure trap, trialKnow the number before you walk inrate the P&S report in about a minuteCheck the clocks on the file§5405, §5410 and the 90-day windowRead the med-legal reportthe five numbers that become the moneyC&R vs. Stipulated Awardwhat each structure actually closesVerify a rating stringdecode and recompute any DEU string

Los Angeles district office FAQ

Where is the Los Angeles WCAB district office?
320 W. 4th Street, 9th Floor, Los Angeles, CA 90013-1954. The phone number is 213-576-7335. The adjacent lot runs about $13/day and the lot across the street about $12/day; a Hill Street lot is about $14/day. Cheaper $5–$10 lots exist but fill early.
What are the court hours at the Los Angeles board?
Court sessions run 8:30 a.m. – 12:00 p.m. and 1:30 p.m. – 5:00 p.m., the same as every California district office. Lobby: Opens 30 minutes before each court session, Monday–Friday (except holidays).
When can I walk a document through in Los Angeles?
Walk-through documents — settlements, stipulations and the like — are processed 8:00 a.m. – 11:00 a.m. and 1:00 p.m. – 4:00 p.m., Monday–Friday.
Which ZIP codes file at the Los Angeles WCAB?
210 California ZIP codes are assigned to Los Angeles (DWC code LAO) as their ADJ filing venue. You can check any ZIP against the full list on the offices hub. Note the Disability Evaluation Unit does not follow this same mapping at every office, and §5501.5 lets the applicant elect among the county of residence, the county where the injury occurred, and in some cases counsel's principal place of business.
Is there a Disability Evaluation Unit at the Los Angeles office?
Yes. The DEU prepares the formal permanent-disability ratings, and it sits on site here along with Audit Unit, Information & Assistance, Subsequent Injuries Benefits Trust Fund, Uninsured Employers Benefits Trust Fund.

Other offices in Los Angeles & vicinity

Van NuysMarina del ReyLong BeachPomona
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Transcribed from the Division of Workers’ Compensation’s published office page and last checked on July 28, 2026see DIR’s Los Angeles page. Offices move and hours change; call ahead before you travel. DWC information line 1-800-736-7401; disability accommodations 1-866-681-1459.

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