MATRIX HG INC
B| C-4| C10| C20| C36| C38| C43 — CONCORD, California
Verify with the state before signing.
License expired 09/30/2026 and has not been renewed. If the contractor tells you they've renewed, confirm with the state board before signing a contract. (Retrieved from California; filings after retrieval may not be reflected.) Covers B| C-4| C10| C20| C36| C38| C43 in CONCORD.
- Expired 09/30/2026
- Bonded $25000
- WC on file
- No complaints
California state licensing board · retrieved 02/03/2026
Retrieved 02/03/2026 — renewals or status changes filed after this date may not be reflected.
The record
License
- Number
- 812232
- Status
- active
- Issued
- 09/05/2002
- Expires
- 09/30/2026
Coverage
- Contractor bond
- $25,000
- Bond company
- FIDELITY AND DEPOSIT COMPANY OF MARYLAND
- Workers comp
- ZURICH AMERICAN INSURANCE COMPANY
- Wage bond
- $0
Business
- Owner
- Is this you? →
- County
- Contra Costa
History
- Complaints (3 yrs)
- 0
- Disciplinary
- None on file
- Permits on file
- 24
- Pending actions
- None
Licensed to do
- B| C-4| C10| C20| C36| C38| C43 — B| C-4| C10| C20| C36| C38| C43
Claim this profile
Is this your business? Claim this profile to update your license info once you've renewed. Free.
Claim this profile →Disciplinary & complaints
No disciplinary actions on file.
Building permits (24)
Source: LA City Open Data (LADBS)
otc alterations permit
650 Davis St, 94111
1st floor: furnish and install (1) heat pump unit. furnish and install associated ductwork and air registers/diffusers. ref# 2026-0218-6079.
$8,400
2026-04-03
issued
otc alterations permit
655 Beach St, 94109
suite 210: hvac modifications to support interior tenant improvements. all terminal units are existing to remain. (e) central equipment is existing to remain. (e) controls to remain. ref building perm
$136,068
2026-03-05
issued
otc alterations permit
180 Montgomery St, 94104
ste, 1900 hvac modifications to support interior ti (e) central equipment to remain. (e) controls to remain. ref pa 202512030868
$15,000
2026-02-19
complete
otc alterations permit
288 West Portal Av, 94127
like for like replacement of 3 rooftop packaged a/c gas pack units
$30,000
2025-12-12
issued
otc alterations permit
655 Montgomery St, 94111
11/fl- install (n) variable frequency drive on (e) supply fan. no other work to be done on the (e) mechanical system are included
$72,000
2025-11-05
complete
otc alterations permit
2350 Turk Bl, 94118
replacement of (e) flue stack serving (e) heating boiler and domestic hot water heater at the school of education bldg. provide new inline draft fan for flue stack.
$100,000
2025-10-31
complete
otc alterations permit
180 Montgomery St, 94104
suite 2150. demolish all (e) low pressure and air distribution down stream of the terminal units. install new low pressure ductwork and air distribution to match the new t.i. layout. install one new c
$87,000
2025-10-10
issued
otc alterations permit
1 Lombard St, 94111
replace rooftop unit, existing unit weight = 685lb, new unit weight = 565lb.
$42,375
2025-09-26
complete
otc alterations permit
101 02nd St, 94105
replace (e) trane 10-ton cooling only package unit with new trane 10-tom. package unit and reconnect to existing ductwork and electrical. no work in the interior of the building
$35,524
2025-09-03
complete
otc alterations permit
315 Montgomery St, 94104
5th fl - replacement of (1) 3 ton water source heat pump. the equipment is above ceiling & serves a 5th l iof closet
$15,000
2025-08-29
complete
Showing 10 of 24 permits
Status history
- Last updated
- 02/03/2026
Track this contractor
Monitor This Contractor
Get alerts if their license status, bond, or complaint history changes.
Check your inbox to confirm
We sent a confirmation link. Click it and we'll email you if the license status, bond, or complaint history changes.
Something went wrong
Official record
Source of record: Contractors State License Board (CSLB). Raw record ID: #812232
California state licensing board · retrieved 02/03/2026