Dj's Mechanical Service Co
Danville · Contra Costa County · CA
LISTED
Bestopedia verdict
California’s contractor board lists Dj's Mechanical Service Co in CLEAR standing. No active contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 3.6 / 20
- Contractor bond
- 5 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1099118 verify on CSLB ↗
- Classifications
- C-20
- Years licensed
- 3.6 years since 11/29/2022
- Contractor bond
- $25,000 WESTERN SURETY COMPANY cancellation on file (07/25/2026)
- Workers’ comp
- Current CONTINENTAL CASUALTY COMPANY
- Business type
- Sole Owner
- Qualifying principal
- John De La Rosa
- Address of record
- 157 Clydesdale Dr, Danville, CA 94526
Frequently Asked Questions
Is Dj's Mechanical Service Co a licensed HVAC contractor in California?
Yes. Dj's Mechanical Service Co holds California CSLB contractor license #1099118 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Dj's Mechanical Service Co licensed to perform?
License #1099118 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).
Is Dj's Mechanical Service Co bonded?
Yes. Dj's Mechanical Service Co carries contractor's bond #67131058 for $25,000 through WESTERN SURETY COMPANY. Note: a bond cancellation date (07/25/2026) is on file.
Does Dj's Mechanical Service Co carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with CONTINENTAL CASUALTY COMPANY, with a policy expiration of 07/30/2026.
How long has Dj's Mechanical Service Co held its contractor license?
License #1099118 was originally issued on 11/29/2022, approximately 4 years ago (as of July 2026).
Where is Dj's Mechanical Service Co located?
Dj's Mechanical Service Co is based in Danville, Contra Costa County, CA 94526.