▮ Crosstown Business
contracting businessc20 hvacLicensed since 1996

A T Mechanical

Vallejo, CA

What the public record says

  • Licensed since 1996 (30 years)
  • $25,000 contractor bond
  • Classifications: C20
  • Sole proprietor

Licenses and permits

  • C-20 Warm-Air Heating, Ventilating and Air-ConditioningCA Contractors State License Board · #717720 · since 1996 · suspended
Estimated value
Starting point
$64K – $163K

Based on the license record looking like an owner-operator with no employees on the license; businesses like that typically bill around $250,000 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

Record built from 1 public file. Updated 11/7/2026. Own this business? Claim the page or ask for a change.