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State files updated Oct 29, 2026
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California contractor license

Empire Specialties

Empire Specialties of San Diego holds California license 991212 (B General Building, C2 Insulation and Acoustical, C9 Drywall, C20 Warm-Air Heating, Ventilating and Air-Conditioning, C36 Plumbing, D35 Pool and Spa Maintenance, D65). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Mar 31, 2028.

Doing business as Polvera Drywall Of Riverside Corporation.

Licensed 12 years, longer than 57% of 308 active San Diego plumbing contractors.

Active

Empire Specialties, San Diego

License
991212
Class
B General Building; C2 Insulation and Acoustical; C9 Drywall; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; D35 Pool and Spa Maintenance; D65
Expires
Mar 31, 2028
Bond
$25,000
Workers' comp
Insured to Oct 1, 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
$25,000Suretec Insurance Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredPacific Compensation Insurance Company, from Oct 1, 2026, to Oct 1, 2027

Who is on this license?

Officer
Minhui ChenSince Sep 1, 2020
Officer
Christopher J. KleiberSince Jun 16, 2022
Responsible managing officer, CEO and president
Melanie K. MooreSince Mar 14, 2014

What work does this license cover?

Issued Mar 14, 2014.

Which other San Diego businesses hold B General Building?

Plumbing Contractors in San DiegoCalifornia plumbing contractorsHVAC Contractors in San DiegoCalifornia HVAC 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)