contracting businessc20 hvacLicensed since 2003
Diablo Thermal Systems INC
Po Box 30582, Walnut Creek, CA 94598 · map
What the public record says
- Licensed since 2003 (23 years)
- $25,000 contractor bond
- Carries workers' compensation (has employees)
- Classifications: C20, C38
- Owned by a corporation
Licenses and permits
- C-20 Warm-Air Heating, Ventilating and Air-ConditioningCA Contractors State License Board · #823200 · since 2003
- C38 classificationCA Contractors State License Board · #823200 · since 2003
Estimated value
Fair$408,000
Estimated range: $236K – $579K
Based on the license record looking like a licensed shop carrying workers' comp (a small crew); businesses like that typically bill around $900,000 a year. At a typical 16% owner margin and 2.83x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbersNearby hvac, plumbing & electrical
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- AC Pro HVAC Services INCWalnut Creek · since 2026 · $408,000 ($236K–$579K)
Record built from 1 public file. Updated 11/13/2026. Own this business? Claim the page or ask for a change.
Estimated value
Fair$408,000
Estimated range: $236K – $579K
Based on the license record looking like a licensed shop carrying workers' comp (a small crew); businesses like that typically bill around $900,000 a year. At a typical 16% owner margin and 2.83x multiple for contractors.
Estimate, not an appraisal. How we value
Tighten this with your numbers