Sterling Environmental Corporation
Sterling Environmental Corporation is an active, licensed contractor operating in San Leandro, CA. Operating under a California contractor license established in 1988. They hold 4 license classifications including A General Engineering Contractor, ASB Asbestos Certification, and 2 others. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 537909
- Status
- Active
- Classification(s)
- A: General Engineering Contractor, ASB: Asbestos Certification, C-2: Insulation and Acoustical Contractor, C-22: Asbestos Abatement Contractor
- Tenure
- Licensed since 1988 (37 years)
- Issue Date
- August 10, 1988
- Expiration Date
- August 31, 2026
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – GREAT AMERICAN INSURANCE COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – ZURICH AMERICAN INSURANCE COMPANY
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- 600 MCCORMICK ST STE B
- City
- San Leandro, CA
- ZIP Code
- 94577
- Phone
- (510) 638-2800
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About These License Types
A: General Engineering Contractor
Authorizes construction of fixed works requiring specialized engineering knowledge and skill, including irrigation, drainage, water power, water supply, flood control, inland waterways, harbors, docks, shipyards, dams, hydroelectric projects, levees, railroads, highways, tunnels, airports, sewers, bridges, pipelines, parks, refineries, and power plants.
Not authorized: Does not authorize work under a Class B General Building Contractor license or any specialty (C) classification unless incidental to the engineering project.
ASB: Asbestos Certification
An add-on certification that allows a contractor to perform asbestos abatement work within the scope of their existing license classification(s). This is not a standalone license.
Not authorized: Can only perform abatement within existing classification scope.
C-2: Insulation and Acoustical Contractor
Installs insulating media and preformed architectural acoustical materials for temperature and sound control, including batt, blown, rigid board, spray-applied, and acoustical tile or panel systems.
Not authorized: Does not authorize removal of asbestos-containing materials.
C-22: Asbestos Abatement Contractor
Performs abatement including containment, encapsulation, removal, and disposal of asbestos-containing construction materials. Operates as a stand-alone classification regardless of other classifications held.
Not authorized: All work must comply with DOSH regulations and registration requirements.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: May 31, 2026.