Licensed Contractors in Sonoma County, CA
Updated November 1, 2026 · Data from CSLB's public license file
- 5,577licenses
- 95.8%Clear
- 4.2%suspended (state 4.6%)
- 46.5%workers' comp exempt
- 16.4 yrsmedian time licensed
- 302new in 12 months
Sonoma County has 5,577 contractor licenses with a local mailing address, spread over 36 cities and towns (6 with their own page here). 95.8% are Clear. The suspension rate, 4.2%, is about the same as the statewide rate of 4.6%. 46.5% of local licenses claim a workers' comp exemption (statewide: 49.6%).
Cities and towns in Sonoma County
- Contractors in Santa Rosa (2,142)
- Contractors in Petaluma (889)
- Contractors in Sebastopol (448)
- Contractors in Rohnert Park (398)
- Contractors in Sonoma (361)
- Contractors in Windsor (314)
- Healdsburg (187)
- Cotati (149)
- Cloverdale (110)
- Penngrove (107)
- Forestville (76)
- Guerneville (62)
- Occidental (38)
- Glen Ellen (34)
- Graton (27)
- Cazadero (26)
- Vineburg (26)
- Fulton (23)
- Geyserville (23)
- El Verano (20)
- Kenwood (18)
- Santa Rosa Valley (15)
- Boyes Hot Springs (14)
- Monte Rio (12)
- Bodega Bay (11)
- Bodega (8)
- Annapolis (7)
- Valley Ford (7)
- Camp Meeker (6)
- Duncans Mills (6)
- Rio Nido (5)
- Villa Grande (3)
- Jenner (2)
- Eldridge (1)
- South Sebastopol (1)
- Stewarts Point (1)
Licensed-trade lists in Sonoma County
- Licensed general contractors in Santa Rosa (884)
- Licensed general contractors in Petaluma (395)
- Licensed general contractors in Sebastopol (231)
- Licensed electricians in Santa Rosa (204)
- Licensed painters in Santa Rosa (201)
- Licensed general contractors in Sonoma (164)
- Licensed plumbers in Santa Rosa (144)
- Licensed limited specialty contractors in Santa Rosa (139)
- Licensed general engineering contractors in Santa Rosa (136)
- Licensed landscapers in Santa Rosa (117)
- Licensed general contractors in Rohnert Park (108)
- Licensed general contractors in Windsor (108)
- Licensed electricians in Petaluma (104)
- Licensed general contractors in Healdsburg (87)
- Licensed HVAC contractors in Santa Rosa (80)
- Licensed landscapers in Petaluma (75)
- Licensed tile contractors in Santa Rosa (68)
- Licensed general engineering contractors in Petaluma (66)
- Licensed concrete contractors in Santa Rosa (62)
- Licensed electricians in Sebastopol (62)
- Licensed painters in Petaluma (59)
- Licensed flooring contractors in Santa Rosa (58)
- Licensed limited specialty contractors in Petaluma (57)
- Licensed general contractors in Cotati (56)
- Licensed plumbers in Petaluma (52)
- Licensed drywall contractors in Santa Rosa (52)
- Licensed general contractors in Penngrove (48)
- Licensed painters in Rohnert Park (48)
- Licensed electricians in Rohnert Park (48)
- Licensed roofers in Santa Rosa (46)
- Licensed electricians in Sonoma (44)
- Licensed electricians in Windsor (44)
- Licensed general contractors in Cloverdale (41)
- Licensed general contractors in Guerneville (38)
- Licensed general contractors in Forestville (34)
- Licensed plumbers in Rohnert Park (34)
- Licensed landscapers in Sonoma (33)
- Licensed general engineering contractors in Sebastopol (32)
- Licensed cabinet and finish carpentry contractors in Santa Rosa (31)
- Licensed limited specialty contractors in Rohnert Park (29)
- Licensed earthwork and paving contractors in Santa Rosa (29)
- Licensed landscapers in Windsor (28)
- Licensed plumbers in Sebastopol (27)
- Licensed HVAC contractors in Petaluma (26)
- Licensed sheet metal contractors in Santa Rosa (26)
- Licensed landscapers in Sebastopol (26)
- Licensed plumbers in Windsor (26)
- Licensed general contractors in Occidental (25)
- Licensed low voltage contractors in Santa Rosa (25)
- Licensed plumbers in Sonoma (25)
- Licensed general engineering contractors in Windsor (25)
- Licensed tile contractors in Petaluma (24)
- Licensed landscapers in Rohnert Park (24)
- Licensed limited specialty contractors in Sonoma (23)
- Licensed limited specialty contractors in Windsor (23)
- Licensed fire protection contractors in Santa Rosa (22)
- Licensed general engineering contractors in Sonoma (22)
- Licensed painters in Windsor (22)
- Licensed limited specialty contractors in Sebastopol (21)
- Licensed painters in Sonoma (21)
- Licensed general contractors in Glen Ellen (20)
- Licensed fencing contractors in Santa Rosa (20)
Suspensions in Sonoma County, by reason
Explainers: Suspended: contractor's bond · Suspended: workers' compensation · Suspended: liability insurance · Suspended: employee/worker bond
Most common license types in Sonoma County
- General Building Contractor (2,358)
- Electrical Contractor (600)
- Painting and Decorating Contractor (422)
- General Engineering Contractor (381)
- Landscaping Contractor (379)
- Limited Specialty (372)
- Plumbing Contractor (359)
- Warm-Air Heating, Ventilating and Air-Conditioning Contractor (189)
- Ceramic and Mosaic Tile Contractor (145)
- Flooring and Floor Covering Contractors (131)
- Concrete Contractor (121)
- Drywall Contractor (110)
Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.
Related
- Licensed contractors in Humboldt County
- Licensed contractors in Lake County
- Licensed contractors in Mariposa County
- Licensed contractors in Mendocino County
- Licensed contractors in Stanislaus County
- Licensed contractors in Tuolumne County
- How to check a contractor license
- Hiring a contractor in California: a checklist
- CSLB's Instant License Check