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California contractor license

Wilson Building Company LLC

Wilson Building Company LLC of Mill Valley holds California license 936159 (B General Building). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Aug 31, 2028.

Licensed 17 years, longer than 51% of 66 active Mill Valley general contractors.

Active

Wilson Building Company LLC, Mill Valley

License
936159
Class
B General Building
Expires
Aug 31, 2028
Bond
$25,000
Workers' comp
Insured to Mar 25, 2027

CSLB file dated Nov 1, 2026

From the CSLB file dated Nov 1, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the CSLB file dated Nov 1, 2026. Confirm with the board: CSLB license check

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
InsuredNorguard Insurance Company, from Mar 25, 2026, to Mar 25, 2027

Who is on this license?

Responsible managing member
Melissa M. WilsonSince Aug 25, 2020

What work does this license cover?

Issued Aug 3, 2009. Inactive Jun 24, 2010 to Sep 1, 2019. Reissued Aug 25, 2020.

What other licenses does this business hold?

Which other Mill Valley businesses hold B General Building?

California general 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, Nov 1, 2026)
  2. Contractors State License Board (CSLB)