▮ Crosstown Business
contracting businessc20 hvacLicensed since 1961

Matthews INC

Matthew M Walburger
Martinez, CA

What the public record says

  • Licensed since 1961 (65 years)
  • $25,000 contractor bond
  • Carries workers' compensation (has employees)
  • Classifications: C20
  • Sole proprietor
  • Also licensed as: cleaning, gas stations

Licenses and permits

  • C-20 Warm-Air Heating, Ventilating and Air-ConditioningCA Contractors State License Board · #1015224 · since 2016
  • Sales and use tax permitTexas Comptroller of Public Accounts · #32050447062-4 · since 2021
  • Sales and use tax permitTexas Comptroller of Public Accounts · #17410555290-1
Estimated value
Fair
$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

Record built from 2 public files. Updated 11/9/2026. Own this business? Claim the page or ask for a change.