Cm Master Builders, B General Building Contractor in Oakland, CA
Cm Master Builders operating as a corporation holds an active California contractor license (CSLB #1146845), valid through Nov 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Great American Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Oakland, in Alameda County, California.
- License Number
- 1146845
- Issued
- Nov 25, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Corporation
- Surety
- Great American Insurance Company
- Bond Number
- 5876026
- Effective
- Oct 31, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 20, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Cm Master Builders licensed in California?
Yes. Cm Master Builders holds California Contractors State License Board license number 1146845, which is active and in good standing. The license was first issued on November 25, 2025. It is valid through November 30, 2027.
What does Cm Master Builders specialize in?
Cm Master Builders is licensed for one CSLB classification: B General Building Contractor.
Where is Cm Master Builders headquartered?
Cm Master Builders is headquartered at 6409 Hillmont Dr, Oakland, CA 94605, in Alameda County, California.
Does Cm Master Builders have an active surety bond on file with CSLB?
Yes. Cm Master Builders has an active California contractor surety bond filed with Great American Insurance Company.
Does Cm Master Builders carry workers' compensation coverage?
Cm Master Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cm Master Builders's contractor license?
You can verify Cm Master Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146845.
- Bond activeOct 31, 2025
- WC coverage startsNov 20, 2025
- License issuedNov 25, 2025
- License expiresNov 30, 2027
- Mc Guire and Hester#95879Oakland·A General Engineering Contractor
- Anderson Eric F Incorporated#82540San Leandro·B General Building Contractor
- D W Nicholson Corporation#68847Hayward·A General Engineering Contractor
- Fitzmaurice J H INC#111689Oakland·A General Engineering Contractor
- Howard Construction CO#226122Oakland·B General Building Contractor
- Knuppe H James#214462Castro Valley·B General Building Contractor
- East Bay Fixture Company#213597Oakland·B General Building Contractor
- Paragon Electric#261291Castro Valley·B General Building Contractor
Working a California job with Cm Master Builders, 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 Cm Master Builders? Claim or correct this profile