Licensed Contractors in Alameda County, CA

Updated November 1, 2026 · Data from CSLB's public license file

7,569licenses
95.4%Clear
4.6%suspended (state 4.6%)
47.1%workers' comp exempt
13.3 yrsmedian time licensed
522new in 12 months

Alameda County has 7,569 contractor licenses with a local mailing address, spread over 18 cities and towns (12 with their own page here). 95.4% are Clear. The suspension rate, 4.6%, is about the same as the statewide rate of 4.6%. 47.1% of local licenses claim a workers' comp exemption (statewide: 49.6%).

Cities and towns in Alameda County

Licensed-trade lists in Alameda County

Suspensions in Alameda County, by reason

Most common suspension types in Alameda County

Explainers: Suspended: contractor's bond · Suspended: workers' compensation · Suspended: liability insurance · Suspended: Secretary of State

Most common license types in Alameda County

General Building Contractor (3,693)
Electrical Contractor (967)
Plumbing Contractor (534)
Limited Specialty (516)
Painting and Decorating Contractor (502)
General Engineering Contractor (474)
Landscaping Contractor (429)
Warm-Air Heating, Ventilating and Air-Conditioning Contractor (296)
Flooring and Floor Covering Contractors (225)
Roofing Contractor (211)
Ceramic and Mosaic Tile Contractor (176)
Low Voltage Systems Contractor (171)

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Licensed Contractors in Alameda County, CA

Cities and towns in Alameda County

Licensed-trade lists in Alameda County

Suspensions in Alameda County, by reason

Most common license types in Alameda County

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