✓

License is active

Source: Contractors State License Board (CSLB)

✓

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 →

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TRC SOLUTIONS INC

License Number: 409606
State: California
Status: active
Business Type: Corporation
Address: 6 EXECUTIVE CIRCLE STE 200 IRVINE, CA, 92614 Orange County
Phone: (860) 298 6347

License Dates

Issued

07/29/1981

Expires

07/31/2027

Expires in 16 months

CSLB Last Updated

01/14/2026

License Classifications

A General Engineering Contractor

Personnel & Officers

ZWINGMAN ROSS ADAM

Responsible Managing Employee

Former

Qualifier bond: UNITED STATES FIRE INSURANCE COMPANY

FERRARA STEVEN MICHAEL

Officer

Former

ROYSTON GUY MICHAEL

Officer

Former

HUNT WILLIAM THADDEUS

Responsible Managing Officer/Chief Executive Officer/President

Former

Qualifier bond: "NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH

SOUZA MICHAEL LAWRENCE

Responsible Managing Employee

Former

Qualifier bond: "NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH

VINCZE CHRISTOPHER PETER

Chief Executive Officer/President

Active

GREENLAW JASON SCOTT

Officer

Active

BOCK RONALD EARL

Officer

Former

KILBARGER MICHAEL RAY

Responsible Managing Employee

Former

Qualifier bond: UNITED STATES FIRE INSURANCE COMPANY

LOPEZ ALAN KEITH

Responsible Managing Employee

Former

Qualifier bond: "NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH

ERION CRAIG ALAN

Officer

Former

QUIROS JOSE MARIO

Responsible Managing Officer

Former

HILLER TRUEMAN WAYNE

Chief Executive Officer/President

Former

DERRICK ROBERT ALTON

Officer

Former

WIEGAND JEFFERY WILLIAM

Officer

Former

SMITH DANA LEROY

Chief Executive Officer/President

Former

FARRINGTON LAWRENCE DUDLEY

Officer

Former

CULLEN BRIAN DESMOND

Officer

Former

SEQUEIRA LEONARD JOHN

Officer

Former

SALMON MICHAEL CHARLES

Officer

Former

ELLISON RICHARD DAVID

Chief Executive Officer/President

Former

LASSEN TIMOTHY CARY

Officer

Former

ELSTON HAROLD CLIFFORD

Officer

Former

KNEZEVIC MIRO

Responsible Managing Employee

Former

Qualifier bond: SURETY COMPANY OF THE PACIFIC

KNECHT KENNETH JOSEPH JR

Responsible Managing Employee

Active

Qualifier bond: UNITED STATES FIRE INSURANCE COMPANY

Contractor Bond

Bonded

Amount: $25,000

Company: UNITED STATES FIRE INSURANCE COMPANY

Bond #612413399

Effective: 01/01/2023

Workers' Compensation

Has policy

Carrier: A I U INSURANCE COMPANY

Policy #WC013711862

Effective: 04/01/2025

Expires: 04/01/2026

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

1201 Illinois St, 94107

disconnect and remove approx 1350 lf of above ground fire suppression piping at a former power plant (retired 2011). piping to be removed to facilitate access to 3 aboue ground storage tanks (being de

$15,000

2017-05-09

complete

otc alterations permit

1201 Illinois St, 94107

install access points in three above ground storage tanks and associated secondary containment walls to facilitate tank cleaning. maher na

$68,000

2017-02-09

complete

otc alterations permit

1000 Evans Av, 94124

install 3 recovery trenshes, total of 425 linear ft. 3 ft wide with vertical sidewalls each trench. 2 skimmer pumps installed in each collection trench, total 6 pumps. 5 risers each trench, risers wil

$123,938

2009-12-04

complete

otc alterations permit

1000 Evans Av, 94124

revision to application 200512150545 to change demolition procedures.

$100,000

2008-09-04

complete

otc alterations permit

1000 Evans Av, 94124

revision to 200512150446 for change in demolition procedure for felling of boilers 3 and 4.