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California contractor license

Microbiz Service Company

Microbiz Service Company of San Francisco holds California license 576734 (C7 Low Voltage Systems, C10 Electrical). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Sep 30, 2027.

Licensed 37 years, longer than 91% of 323 active San Francisco electrical contractors.

Active

  • Workers' comp ends Dec 19, 2026 (48 days)

Microbiz Service Company, San Francisco

License
576734
Class
C7 Low Voltage Systems; C10 Electrical
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Dec 19, 2026

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
$25,000Atlantic Specialty Insurance Company, from Oct 6, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredAmtrust Insurance Company, from Dec 19, 2025, to Dec 19, 2026

Who is on this license?

Responsible managing officer, CEO and president
David E. ChrittonSince Sep 7, 1989
Responsible managing officer
Todd M. ChrittonSince Oct 2, 1998

What work does this license cover?

Issued Sep 7, 1989.

Which other San Francisco businesses hold C7 Low Voltage Systems?

Electrical Contractors in San FranciscoCalifornia electrical contractors

What should you check before hiring?

What to ask before you hire

  1. Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
  2. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  3. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  4. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  5. 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.
  6. 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)