Masterson Bryan Enterprises, A General Engineering Contractor in Petaluma, CA
Masterson Bryan Enterprises operating as a corporation holds an active California contractor license (CSLB #271933), valid through Nov 30, 2027. First issued in 1971, the license has been on the CSLB roster for 55 years. It carries 8 CSLB classifications: A General Engineering Contractor, 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, and C-42 Sanitation System Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Hartford Accident and Indemnity Company. The business is based in Petaluma, in Sonoma County, California.
- License Number
- 271933
- Issued
- Oct 20, 1971
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100231038
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Hartford Accident and Indemnity Company
- Policy Number
- 57WECBU2KY1
- Effective
- Oct 26, 2025
- Expires
- Oct 26, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Masterson Bryan Enterprises licensed in California?
Yes. Masterson Bryan Enterprises holds California Contractors State License Board license number 271933, which is active and in good standing. The license was first issued on October 20, 1971. It is valid through November 30, 2027.
What does Masterson Bryan Enterprises specialize in?
Masterson Bryan Enterprises is licensed for 8 CSLB classifications: A General Engineering Contractor, 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, and C-42 Sanitation System Contractor.
Where is Masterson Bryan Enterprises headquartered?
Masterson Bryan Enterprises is headquartered at 1364 N Mcdowell Blvd #12, Petaluma, CA 94954, in Sonoma County, California.
Does Masterson Bryan Enterprises have an active surety bond on file with CSLB?
Yes. Masterson Bryan Enterprises has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Masterson Bryan Enterprises carry workers' compensation coverage?
Yes. Masterson Bryan Enterprises carries active workers' compensation coverage through Hartford Accident and Indemnity Company.
How do I verify Masterson Bryan Enterprises's contractor license?
You can verify Masterson Bryan Enterprises's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=271933.
- License issuedOct 20, 1971
- Bond activeJan 1, 2023
- WC coverage startsOct 26, 2025
- WC expiresOct 26, 2026
- License expiresNov 30, 2027
- Peterson Mechanical INC#171486Sonoma·B General Building Contractor
- Ongaro & Sons#215233Petaluma·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- C B S Plumbing & Heating INC#294171Santa Rosa·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Holden Ralph & CO#307640Healdsburg·A General Engineering Contractor
- Eddinger Enterprises INC#301487Healdsburg·B General Building Contractor
- Etchell Bob Plumbing & Heating#267201Healdsburg·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Curran Environmental Services INC#269122Petaluma·A General Engineering Contractor
- Gentry Building & Design LLC#295946Fulton·A General Engineering Contractor
Working a California job with Masterson Bryan Enterprises, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Masterson Bryan Enterprises? Claim or correct this profile