contracting businessc10 electricalLicensed since 1996
Cornerstone Environmental Contractors INC
P O Box 5127, Concord, CA 94524
What the public record says
- Licensed since 1996 (30 years)
- $25,000 contractor bond
- Carries workers' compensation (has employees)
- Classifications: A, C10, D21, HAZ
- Owned by a corporation
Licenses and permits
- A General EngineeringCA Contractors State License Board · #722253 · since 1996
- C-10 ElectricalCA Contractors State License Board · #722253 · since 1996
- D21 classificationCA Contractors State License Board · #722253 · since 1996
- HAZ classificationCA Contractors State License Board · #722253 · since 1996
Estimated value
Fair$564K – $1.4M
Based on the license record looking like a company-sized operation (workers' comp, several classifications or a larger bond); businesses like that typically bill around $2,200,000 a year. At a typical 16% owner margin and 2.77x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbersRecord built from 1 public file. Updated 11/12/2026. Own this business? Claim the page or ask for a change.
Estimated value
Fair$564K – $1.4M
Based on the license record looking like a company-sized operation (workers' comp, several classifications or a larger bond); businesses like that typically bill around $2,200,000 a year. At a typical 16% owner margin and 2.77x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbers