License is active
Source: Contractors State License Board (CSLB)
Pending Actions
- Pending classification removal: 05/26/2026
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
CORNERSTONE ENVIRONMENTAL CONTRACTORS INC
- License Number
- 722253
- State
- California
- Status
- active Class Removal Pending
- Business Type
- Corporation
- Address
- P O BOX 5127 CONCORD, CA, 94524 Contra Costa County
- Phone
- (925) 299 9225
License Dates
Issued
05/02/1996
Expires
05/31/2026
Expires in 7 weeks
CSLB Last Updated
03/17/2026
License Classifications
Personnel & Officers
FOWLER RANDY LEWIS
Deceased
MUELLER ROBERT WILLIAM
Responsible Managing Employee
Qualifier bond: SURETY COMPANY OF THE PACIFIC
JAMES ERIC KEITH
Officer
HARVEY RONALD ALLEN
Responsible Managing Employee
Qualifier bond: HUDSON INSURANCE COMPANY
HARVEY MICHAEL GLENN
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #SC6300342
Effective: 01/01/2023
Workers' Compensation
Carrier: BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPANY
Policy #COWC667825
Effective: 03/29/2025
Expires: 03/29/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
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)
Commercial Alteration-Addn — 4380 - COM - Tenant Improvement
1005 E MISSION RD, FALLBROOK, CA 92028
Cross street: SANTA MARGARITA DR. Description of Work: $50,000.00 VALUATION FOR SOIL VAPOR EXTRACTION TREATMENT SYSTEM AND 200 AMP ELECTRIC SERVICE IN TRASH ENCLOSURE AREA FOR 'CIRCLE K STATION' IN
additions alterations or repairs
2 Richardson Av, 94123
decommissioning of an environmental remediation system. involves removal of a concrete slab on grade compound, chain link fencing, holding tank, remediation equipment, and remediation piping onsite an
$125,000
2017-09-13
additions alterations or repairs
2 Richardson Av, 94123
installation of underground piping under broderick street for soil remediation use, piping to connect to existing remediation piping and recovery unit located on site.
$61,185
2013-09-23
otc alterations permit
444 De Haro St, 94107
all floors install (7) sub slab vent sumps. install 4" alum. tubing to each vent point, manifold tubing to (2) roof penetrating. install fans on each roof vent point working on all floors.
$21,000
2013-01-09
otc alterations permit
401 Treat Av, 94110
excavation of 1,290 cy of contaminated soil to be off hauled & disposed includes installation of temporary gate for truck exit onto harrison street. removal of approx 6,000 sq ft of ashphalt to allow
$188,323
2012-10-17
otc alterations permit
1175 Fell St, 94117
fence removal and disposal, equipment remocal and disposal, compond enclosure and bollard removval and disposal, backfill and resurfacing. 6" high curb.
$25,000
2012-08-14
additions alterations or repairs
1200 Geneva Av, 94112
upgrade extg soil vapor extration system and add a ground water treatment system/relocate trash enclosure
$90,000
2005-10-28
additions alterations or repairs
1200 Geneva Av, 94112
revision to 9911290- replace exist process piping & supply electrical service & circuits to oxidizer
$60,000
2002-06-24
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed A| C10| D21| HAZ in CONCORD
MILLER CONSTRUCTION
License #959181 · CA
CLASSIC HEATING AND AIR CONDITIONING
License #960065 · CA
LIGHTRIVER TECHNOLOGIES INC
License #960067 · CA
ERIC LEINTZ
License #960625 · CA
OMEGA FLOORS & CARPET INC
License #960983 · CA