Stomper Company Inc
Stomper Company Inc is an active, licensed contractor operating in Hayward, CA. Operating under a California contractor license established in 1975. They hold 5 license classifications including A General Engineering Contractor, ASB Asbestos Certification, and 3 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
- 313376
- Status
- Active
- Classification(s)
- A: General Engineering Contractor, ASB: Asbestos Certification, C-21: Building Moving/Demolition Contractor, C-22: Asbestos Abatement Contractor, HAZ: Hazardous Substance Removal Certification
- Tenure
- Licensed since 1975 (50 years)
- Issue Date
- December 04, 1975
- Expiration Date
- August 31, 2026
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – STARR INDEMNITY & LIABILITY 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
- 3135 DIABLO AVE
- City
- Hayward, CA
- ZIP Code
- 94545
- Phone
- (510) 574-0570
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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-21: Building Moving/Demolition Contractor
Raises, lowers, cribs, underpins, demolishes, moves, or removes structures including their foundations.
Not authorized: Does not include alterations, additions, repairs, or rehabilitation of permanently retained portions of structures.
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.
HAZ: Hazardous Substance Removal Certification
An add-on certification for removal of hazardous substances. Only issued to contractors holding A, B, C-12, C-21, C-36, C-57, or C-61/D-40 licenses.
Not authorized: Restricted to contractors holding qualifying base licenses.
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: April 05, 2026.