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California contractor license

Horwedel Mark A Construction Inc

Horwedel Mark A Construction Inc of Palmdale holds California license 504623 (B General Building, C29 Masonry). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Jan 31, 2028.

Licensed 39 years, longer than 96% of 177 active Palmdale general contractors.

Active

Horwedel Mark A Construction Inc, Palmdale

License
504623
Class
B General Building; C29 Masonry
Expires
Jan 31, 2028
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
$25,000Western Surety Company, from Feb 8, 2024, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom Dec 19, 2025

Who is on this license?

Responsible managing officer, CEO and president
Mark A. HorwedelSince Jan 27, 1987

What work does this license cover?

Issued Jan 27, 1987. Inactive Jul 28, 1997 to Oct 18, 2014. Reissued Jan 24, 2024.

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 Palmdale businesses hold B General Building?

General Contractors in PalmdaleCalifornia 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)