Mazzoni Construction, B General Building Contractor in Pleasanton, CA
Mazzoni Construction operating as a sole owner holds an active California contractor license (CSLB #1004434), valid through Jun 30, 2027. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Pleasanton, in Alameda County, California.
- License Number
- 1004434
- Issued
- Jun 15, 2015
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800231527
- Effective
- Mar 9, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 29, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mazzoni Construction licensed in California?
Yes. Mazzoni Construction holds California Contractors State License Board license number 1004434, which is active and in good standing. The license was first issued on June 15, 2015. It is valid through June 30, 2027.
What does Mazzoni Construction specialize in?
Mazzoni Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Mazzoni Construction headquartered?
Mazzoni Construction is headquartered at 4682 Chabot Drive #12591, Pleasanton, CA 94588, in Alameda County, California.
Does Mazzoni Construction have an active surety bond on file with CSLB?
Yes. Mazzoni Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Mazzoni Construction carry workers' compensation coverage?
Mazzoni Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mazzoni Construction's contractor license?
You can verify Mazzoni Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1004434.
- License issuedJun 15, 2015
- WC coverage startsDec 29, 2025
- Bond activeMar 9, 2026
- License expiresJun 30, 2027
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