Eleven Engineering INC, A General Engineering Contractor in Petaluma, CA
Eleven Engineering INC operating as a corporation holds an active California contractor license (CSLB #1003685), valid through May 31, 2027. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-21 Building Moving / Demolition Contractor. Records show an active surety bond on file with Arch Insurance Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Petaluma, in Sonoma County, California.
- License Number
- 1003685
- Issued
- May 15, 2015
- Status
- CLEAR
- Expires
- May 31, 2027
- Entity
- Corporation
- Surety
- Arch Insurance Company
- Bond Number
- SU71076050000
- Effective
- Oct 24, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 4061925
- Effective
- Aug 26, 2025
- Expires
- Aug 26, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Eleven Engineering INC licensed in California?
Yes. Eleven Engineering INC holds California Contractors State License Board license number 1003685, which is active and in good standing. The license was first issued on May 15, 2015. It is valid through May 31, 2027.
What does Eleven Engineering INC specialize in?
Eleven Engineering INC is licensed for 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-21 Building Moving / Demolition Contractor.
Where is Eleven Engineering INC headquartered?
Eleven Engineering INC is headquartered at Po Box 751468, Petaluma, CA 94975, in Sonoma County, California.
Does Eleven Engineering INC have an active surety bond on file with CSLB?
Yes. Eleven Engineering INC has an active California contractor surety bond filed with Arch Insurance Company.
Does Eleven Engineering INC carry workers' compensation coverage?
Eleven Engineering INC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify Eleven Engineering INC's contractor license?
You can verify Eleven Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1003685.
- License issuedMay 15, 2015
- Bond activeOct 24, 2023
- WC coverage startsAug 26, 2025
- WC expiredAug 26, 2026
- License expiresMay 31, 2027
- Goebel Construction INC#348449Petaluma·A General Engineering Contractor
- Curran Environmental Services INC#269122Petaluma·A General Engineering Contractor
- Able Maintenance INC#312844Santa Rosa·A General Engineering Contractor
- Argonaut Constructors INC#171432Santa Rosa·A General Engineering Contractor
- Cimino S J Electric INC#343802Santa Rosa·A General Engineering Contractor
- E K Excavating INC#275372Sonoma·A General Engineering Contractor
- Masterson Bryan Enterprises#271933Petaluma·A General Engineering Contractor
- Walters K G Construction CO INC#301314Santa Rosa·A General Engineering Contractor
Working a California job with Eleven Engineering INC, 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 Eleven Engineering INC? Claim or correct this profile