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State files updated Oct 29, 2026
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California contractor license

Capstone Roofing Inc

Capstone Roofing Inc of Santa Rosa holds California license 629383 (C39 Roofing). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jul 31, 2027.

Licensed 35 years, longer than 86% of 30 active Santa Rosa roofing contractors.

Active

Capstone Roofing Inc, Santa Rosa

License
629383
Class
C39 Roofing
Expires
Jul 31, 2027
Bond
$25,000
Workers' comp
Insured to Jul 31, 2027

CSLB file dated Oct 29, 2026

From the CSLB file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

What bond, insurance and workers' comp are on file?

Bond
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredNational Casualty Company, from Jul 31, 2025, to Jul 31, 2027

Who is on this license?

CEO and president
Mark P. LemSince Dec 29, 2025
Responsible managing employee
William S. DefariaSince Jun 5, 2026

What work does this license cover?

Issued Sep 23, 1991. Reissued Jul 25, 2003.

Which other Santa Rosa businesses hold C39 Roofing?

California roofing contractors

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the CSLB shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
  4. Check another contractor. California license lookup

Sources

  1. CSLB License Master (cslb.ca.gov, Oct 29, 2026)
  2. Contractors State License Board (CSLB)