Ecobuilding, B General Building Contractor in Clayton, CA
Ecobuilding operating as a sole owner holds an active California contractor license (CSLB #945538), valid through Apr 30, 2028. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries a single CSLB classification: B — General Building Contractor. Records show a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in Clayton, in Contra Costa County, California.
- License Number
- 945538
- Issued
- Apr 14, 2010
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101488024
- Effective
- Apr 17, 2025
- Status
- Cancelled
- Cancelled
- May 21, 2026
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 27, 2026
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- Contractor bond cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ecobuilding licensed in California?
Yes. Ecobuilding holds California Contractors State License Board license number 945538, which is active and in good standing. The license was first issued on April 14, 2010. It is valid through April 30, 2028.
What does Ecobuilding specialize in?
Ecobuilding is licensed for one CSLB classification: B General Building Contractor.
Where is Ecobuilding headquartered?
Ecobuilding is headquartered at 39 Long Creek Circle, Clayton, CA 94517, in Contra Costa County, California.
Does Ecobuilding have an active surety bond on file with CSLB?
Ecobuilding has a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active.
Does Ecobuilding carry workers' compensation coverage?
Ecobuilding reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ecobuilding's contractor license?
You can verify Ecobuilding's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=945538.
- License issuedApr 14, 2010
- Bond activeApr 17, 2025
- WC coverage startsApr 27, 2026
- Bond cancelledMay 21, 2026
- License expiresApr 30, 2028
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