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Plumbing contractors in Los Angeles County

Workers' comp renewals, lapses, and carriers for plumbing contractors licensed in Los Angeles County, California. Aggregate figures from CSLB and state records, as of 2026-09-02.

4,713
Active licenses
2,173
With workers' comp
46% of active
475
Renewing in 90 days
338 within 60
84
Lapsed or suspended
2,457 exempt

Workers' comp renewals by month, Los Angeles County

Policies on file with the CSLB expiring in each of the next 12 months.

120
Sep
190
Oct
139
Nov
163
Dec
241
Jan
162
Feb
162
Mar
197
Apr
162
May
187
Jun
188
Jul
132
Aug
12
Sep

Top carriers

  1. State Compensation Insurance Fund448
  2. Technology Insurance Company Inc125
  3. Wesco Insurance Company108
  4. Pie Insurance Company (The)88
  5. Insurance Company Of The West85
  6. Employers Preferred Insurance Company80
  7. Security National Insurance Company77
  8. Transportation Insurance Company74

Top cities

  1. Los Angeles641
  2. Glendale158
  3. Long Beach148
  4. Van Nuys133
  5. Burbank123
  6. Torrance118
  7. North Hollywood96
  8. Whittier96
  9. Sylmar93
  10. Lancaster82

Trades

  1. Plumbing4,713
  2. General Building1,177
  3. Electrical504
  4. HVAC443
  5. General Engineering260
  6. Specialty230
  7. Fire Protection184
  8. Painting/Finish50

Size and risk

large247
mid670
small3,796
high risk79
medium risk43
low risk4,591

Sources: CSLB license and workers' compensation records, CA Secretary of State, OSHA, FMCSA. Aggregates only; no individual contractor data appears on this page. Size and risk tiers are Birdray estimates.

Frequently asked

How many plumbing contractors are licensed in Los Angeles County?
4,713 hold an active CSLB license classed as Plumbing in Los Angeles County as of 2026-09-02.
How many carry workers' compensation insurance?
2,173 have a workers' comp policy on file with the CSLB; 2,457 filed an exemption and 84 are lapsed or suspended.
When do their policies renew?
338 renew within 60 days and 475 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most plumbing contractors here?
STATE COMPENSATION INSURANCE FUND (448), TECHNOLOGY INSURANCE COMPANY INC (125), WESCO INSURANCE COMPANY (108)
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Birdray shows the specific plumbing contractors in Los Angeles County renewing this quarter, with owner contact, carrier, and x-date.
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Plumbing contractors in Los Angeles County: workers' comp renewals & carriers | Birdray