Peterson Mechanical INC, B General Building Contractor in Sonoma, CA
Peterson Mechanical INC operating as a corporation holds California contractor license #171486, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 1957, the license has been on the CSLB roster for 69 years. It carries 9 CSLB classifications: B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-16 Fire Protection Contractor, C-20 HVAC Contractor, C-34 Pipeline Contractor, C-36 Plumbing Contractor, C-38 Refrigeration Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Old Republic Insurance Company. The business is based in Sonoma, in Sonoma County, California.
- License Number
- 171486
- Issued
- Nov 7, 1957
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC1016721
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Old Republic Insurance Company
- Policy Number
- MWC30716126
- Effective
- Apr 1, 2026
- Expires
- Apr 1, 2027
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Peterson Mechanical INC licensed in California?
Peterson Mechanical INC previously held California Contractors State License Board license number 171486, but the license expired on June 30, 2026 and is not currently valid. It was first issued on November 7, 1957.
What does Peterson Mechanical INC specialize in?
Peterson Mechanical INC is licensed for 9 CSLB classifications: B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-16 Fire Protection Contractor, C-20 HVAC Contractor, C-34 Pipeline Contractor, C-36 Plumbing Contractor, C-38 Refrigeration Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor.
Where is Peterson Mechanical INC headquartered?
Peterson Mechanical INC is headquartered at P O Box 450, Sonoma, CA 95476, in Sonoma County, California.
Does Peterson Mechanical INC have an active surety bond on file with CSLB?
Yes. Peterson Mechanical INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Peterson Mechanical INC carry workers' compensation coverage?
Yes. Peterson Mechanical INC carries active workers' compensation coverage through Old Republic Insurance Company.
How do I verify Peterson Mechanical INC's contractor license?
You can verify Peterson Mechanical INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=171486.
- License issuedNov 7, 1957
- Bond activeJan 1, 2023
- WC coverage startsApr 1, 2026
- License expiredJun 30, 2026
- WC expiresApr 1, 2027
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