CSLB classification · General Engineering
A General Engineering Contractor
Fixed works requiring specialised engineering knowledge: roads, bridges, pipelines, excavation, grading, utilities, water and sewer. Often public-works heavy, bonded, and multi-crew.
14,704
Active licences
9,298
With workers' comp
63%
2,376
Renewing in 90 days
277
Lapsed or suspended
4,944
Exempt
127
New in 90 days
Coverages a producer should expect
- ›Workers' comp (multiple classes by operation)
- ›General liability with completed operations
- ›Commercial auto and heavy equipment (inland marine)
- ›Contractor's pollution where excavation or utilities are involved
- ›Bid, performance and payment bonds
Exposures underwriters ask about
- · Trenching and shoring
- · Traffic control
- · Underground utilities
- · Heavy equipment
WCIRB classes usually assigned
- 6217 Excavation NOC
- 5506 Street or road construction, paving
- 6307 Sewer construction
Governing class depends on actual operations and payroll. Verify with the WCIRB classification search before quoting.
Carriers writing this class
Policies on file, statewide
- State Compensation Insurance Fund2,623
- Insurance Co. Of The West667
- Zurich American Insurance Co.474
- Travelers Property Casualty Co. Of America471
- Everest Premier Insurance Co.344
- Pie Insurance Co.239
- Omaha National Casualty Co.183
- Hartford Casualty Insurance Co.161
- Benchmark Insurance Co.139
- Federal Insurance Co.131
A workers' comp renewals by month, California
354
Sep
1,341
Oct
518
Nov
502
Dec
1,122
Jan
541
Feb
774
Mar
875
Apr
694
May
863
Jun
708
Jul
497
Aug
66
Sep
Counties with the most
Frequently asked
- What does a A licence allow a contractor to do?
- Fixed works requiring specialised engineering knowledge: roads, bridges, pipelines, excavation, grading, utilities, water and sewer. Often public-works heavy, bonded, and multi-crew.
- What insurance does a A contractor need?
- Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp (multiple classes by operation); General liability with completed operations; Commercial auto and heavy equipment (inland marine); Contractor's pollution where excavation or utilities are involved; Bid, performance and payment bonds.
- How many A contractors are there in California?
- 14,704 active licences hold the A classification as of 2026-09-06; 9,298 (63%) have workers' comp on file and 4,944 are exempt.
- When do A workers' comp policies renew?
- 2,376 renew within 90 days. October is the peak month.
- Which WCIRB class codes apply to A work?
- Most often 6217 (Excavation NOC), 5506 (Street or road construction, paving), 6307 (Sewer construction). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to A contractors in California?
Birdray runs signal-timed outbound for one agency per territory: the companies behind these numbers, the person to email, and the renewal date, sent from your inbox. The database is free to search.
Sources: CSLB licence and workers' compensation records, California Secretary of State, OSHA, FMCSA, county permits. Aggregates only; no individual contractor appears on this page. "Active" means a CLEAR licence status. Renewal counts include policies on file with the CSLB expiring in the window. Refreshed weekly; this page as of 2026-09-06. Every field and its source →