Skip to content
State files updated Nov 1, 2026
Look up a contractor
MenuClose

Home / License lookup / California / Gregg's Plumbing & Heating Inc

California contractor license

Gregg's Plumbing & Heating Inc

Gregg's Plumbing & Heating Inc of San Mateo holds California license 900741 (B General Building, C36 Plumbing). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Nov 30, 2027.

Licensed 19 years, longer than 56% of 25 active San Mateo plumbing contractors.

Active

Gregg's Plumbing & Heating Inc, San Mateo

License
900741
Class
B General Building; C36 Plumbing
Expires
Nov 30, 2027
Bond
$25,000
Workers' comp
Exempt

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
$25,000Philadelphia Indemnity Insurance Company, from Sep 10, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom Dec 8, 2025

Who is on this license?

Responsible managing officer
Gregg DollingSince Jul 23, 2007
CEO and president
Mark S. EvansSince Nov 12, 2021

What work does this license cover?

Issued Jul 23, 2007. Inactive Jul 31, 2016 to May 17, 2021. Reissued Nov 12, 2021.

The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.

Which other San Mateo businesses hold B General Building?

California plumbing contractorsGeneral Contractors in San MateoCalifornia 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)