Plumbing contractors in Marin County
Workers' comp renewals, lapses, and carriers for plumbing contractors licensed in Marin County, California. Aggregate figures from CSLB and state records, as of 2026-09-02.
163
Active licenses
94
With workers' comp
58% of active
24
Renewing in 90 days
18 within 60
3
Lapsed or suspended
68 exempt
Workers' comp renewals by month, Marin County
Policies on file with the CSLB expiring in each of the next 12 months.
2
Sep
15
Oct
5
Nov
3
Dec
7
Jan
7
Feb
7
Mar
8
Apr
12
May
12
Jun
6
Jul
6
Aug
1
Sep
Top carriers
- State Compensation Insurance Fund9
- Technology Insurance Company Inc8
- Amtrust Insurance Company7
- Everest Premier Insurance Company7
- Employers Preferred Insurance Company6
- Travelers Property Casualty Company Of America4
- Security National Insurance Company4
- National Specialty Insurance Company3
Top cities
- San Rafael56
- Novato55
- Fairfax9
- Sausalito9
- Mill Valley9
- San Anselmo6
- Corte Madera5
- Larkspur3
- Inverness2
- Forest Knolls2
Trades
- Plumbing163
- General Building37
- General Engineering16
- Electrical12
- HVAC12
- Specialty12
- Fire Protection10
- Earthwork/Paving8
Size and risk
large10
mid25
small128
high risk0
medium risk1
low risk162
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 Marin County?
- 163 hold an active CSLB license classed as Plumbing in Marin County as of 2026-09-02.
- How many carry workers' compensation insurance?
- 94 have a workers' comp policy on file with the CSLB; 68 filed an exemption and 3 are lapsed or suspended.
- When do their policies renew?
- 18 renew within 60 days and 24 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 (9), TECHNOLOGY INSURANCE COMPANY INC (8), AMTRUST INSURANCE COMPANY (7)
Turn these numbers into a call list
Birdray shows the specific plumbing contractors in Marin County renewing this quarter, with owner contact, carrier, and x-date.