A D M Mechanical, C-20 HVAC Contractor in Sacramento, CA
A D M Mechanical operating as a sole owner holds California contractor license #423644, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Sacramento, in Sacramento County, California.
- License Number
- 423644
- Issued
- Jun 8, 1982
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800213940
- Effective
- Dec 21, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9376831
- Effective
- Mar 15, 2025
- Expires
- Mar 15, 2027
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is A D M Mechanical licensed in California?
A D M Mechanical previously held California Contractors State License Board license number 423644, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 8, 1982.
What does A D M Mechanical specialize in?
A D M Mechanical is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is A D M Mechanical headquartered?
A D M Mechanical is headquartered at Po Box 247035, Sacramento, CA 95824, in Sacramento County, California.
Does A D M Mechanical have an active surety bond on file with CSLB?
Yes. A D M Mechanical has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does A D M Mechanical carry workers' compensation coverage?
Yes. A D M Mechanical carries active workers' compensation coverage through State Compensation Insurance Fund.
How do I verify A D M Mechanical's contractor license?
You can verify A D M Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=423644.
- License issuedJun 8, 1982
- WC coverage startsMar 15, 2025
- Bond activeDec 21, 2025
- License expiredJun 30, 2026
- WC expiresMar 15, 2027
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