✓

License is active

Source: Contractors State License Board (CSLB)

Expires in 6 months — verify renewal before long contracts

✓

Licensed

Current and in good standing

✓

Bonded

$25,000 surety bond

✓

Insured

Workers' comp coverage on file

✓

Clean record

No complaints or disciplinary actions

California licensing requirements →

🛡️

Hiring this contractor?

Get alerts if their license status changes.

🏢

Is this your business?

Claim your profile to manage your listing.

MATRIX HG INC

License Number: 812232
State: California
Status: active
Business Type: Corporation
Address: 115 MASON CIRCLE STE B CONCORD, CA, 94520 Contra Costa County
Phone: (925) 459 9200

License Dates

Issued

09/05/2002

Expires

09/30/2026

Expires in 6 months — verify renewal before long contracts

CSLB Last Updated

02/03/2026

License Classifications

B| C-4| C10| C20| C36| C38| C43 B| C-4| C10| C20| C36| C38| C43

Personnel & Officers

GREESON DANIEL BRYAN

Responsible Managing Officer

HICC10C36BC38C43C-4

Active

STIMSON MATTHEW MICHAEL

Officer

Active

HOOVER ARTHUR DANA

Chief Executive Officer/President

Active

Contractor Bond

Bonded

Amount: $25,000

Company: FIDELITY AND DEPOSIT COMPANY OF MARYLAND

Bond #9397180

Effective: 01/01/2023

Workers' Compensation

Has policy

Carrier: ZURICH AMERICAN INSURANCE COMPANY

Policy #WC308187200

Effective: 10/01/2025

Expires: 10/01/2026

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.

Building Permits

Source: LA City Open Data (LADBS)

otc alterations permit

1 La Avanzada, 94131

remove & replace (1) split system

cancelled

otc alterations permit

150 Post St, 94108

7th flr: replace existing pneumatic hvac vav boxes and associated outlets with new.

withdrawn

otc alterations permit

110 Sutter St, 94108

2/f: installat of brf system on second floor to feed into fifth floor. ref. t.i. pa201805240048. maher n/a.

cancelled

otc alterations permit

444 Battery St, 94111

demo & remove existing hvac system, replace with new hvac system except for air handler & furnace serving 444 battery, this portion to remain. aka as 9 maritime. n/a ordinance #155-13

cancelled

additions alterations or repairs

300 Clay St, 94111

revision to 202407247142. fire sequence change return air duct add

$50,000

triage

otc alterations permit

101 02nd St, 94105

suite 800: install water source heat pump to serve existing idf closet.

cancelled

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

issued

otc alterations permit

288 West Portal Av, 94127

like for like replacement of 3 rooftop packaged a/c gas pack units