Devil Mountain Mechanical Services, C-20 HVAC Contractor in Concord, CA
Devil Mountain Mechanical Services operating as a sole owner holds an active California contractor license (CSLB #894957), valid through Apr 30, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Technology Insurance Company INC that is no longer active. The business is based in Concord, in Contra Costa County, California.
- License Number
- 894957
- Issued
- Apr 21, 2007
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101037105
- Effective
- Feb 13, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Technology Insurance Company INC
- Policy Number
- TWC4673558
- Effective
- Aug 27, 2025
- Expires
- Aug 27, 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 Devil Mountain Mechanical Services licensed in California?
Yes. Devil Mountain Mechanical Services holds California Contractors State License Board license number 894957, which is active and in good standing. The license was first issued on April 21, 2007. It is valid through April 30, 2027.
What does Devil Mountain Mechanical Services specialize in?
Devil Mountain Mechanical Services is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Devil Mountain Mechanical Services headquartered?
Devil Mountain Mechanical Services is headquartered at 1753 Greenbush Ct, Concord, CA 94521, in Contra Costa County, California.
Does Devil Mountain Mechanical Services have an active surety bond on file with CSLB?
Yes. Devil Mountain Mechanical Services has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Devil Mountain Mechanical Services carry workers' compensation coverage?
Devil Mountain Mechanical Services has a previously-filed workers' compensation policy with Technology Insurance Company INC that is no longer active.
How do I verify Devil Mountain Mechanical Services's contractor license?
You can verify Devil Mountain Mechanical Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=894957.
- License issuedApr 21, 2007
- WC coverage startsAug 27, 2025
- Bond activeFeb 13, 2026
- WC expiredAug 27, 2026
- License expiresApr 30, 2027
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