Tetra Mechanical Services
Simi Valley · Ventura County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Tetra Mechanical Services in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 20 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #273330 verify on CSLB ↗
- Classifications
- C-20, C-38
- Years licensed
- 54.5 years since 01/17/1972
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current HARTFORD CASUALTY INSURANCE COMPANY
- Business type
- Sole Owner
- Qualifying principal
- Michael P Donnelly, Kent Michael Donnelly
- Address of record
- 1107 Stanford Drive, Simi Valley, CA 93065
Frequently Asked Questions
Is Tetra Mechanical Services a licensed HVAC contractor in California?
Yes. Tetra Mechanical Services holds California CSLB contractor license #273330 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Tetra Mechanical Services licensed to perform?
License #273330 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C38.
Is Tetra Mechanical Services bonded?
Yes. Tetra Mechanical Services carries contractor's bond #100989715 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Tetra Mechanical Services carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with HARTFORD CASUALTY INSURANCE COMPANY, with a policy expiration of 10/14/2026.
How long has Tetra Mechanical Services held its contractor license?
License #273330 was originally issued on 01/17/1972, approximately 54 years ago (as of July 2026).
Where is Tetra Mechanical Services located?
Tetra Mechanical Services is based in Simi Valley, Ventura County, CA 93065.