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California contractor license
Malcolm Drilling Company Inc
Malcolm Drilling Company Inc of San Francisco holds California license 259543 (A General Engineering, C57 Well Drilling, D09). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Jul 31, 2028.
Licensed 57 years, longer than 99% of 1,412 active San Francisco general contractors.
Active
- Workers' comp ends Dec 31, 2026 (60 days)
Malcolm Drilling Company Inc, San Francisco
- License
- 259543
- Class
- A General Engineering; C57 Well Drilling; D09
- Expires
- Jul 31, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Dec 31, 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
- $25,000Travelers Casualty And Surety Company Of America, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredXL Specialty Insurance Company, from Dec 31, 2025, to Dec 31, 2026
Who is on this license?
- Officer
- Shahrokh ArfaniaSince Jun 29, 1989
- Officer
- Walton B. KannonSince Jun 20, 2000
- Officer
- Derek YamashitaSince Jul 20, 2006
- Responsible managing officer, CEO and president
- John M. MalcolmSince Sep 11, 1969
- CEO and president
- Jason W. MalcolmSince Apr 18, 2022
- Responsible managing employee
- Randy H. ConradSince Oct 8, 2026
What work does this license cover?
Issued Sep 11, 1969.
- A General Engineering
- C57 Well Drilling
- D09
Which other San Francisco businesses hold A General Engineering?
- Nibbi Bros IncLicensed since 1965
- Nelson Ronald R Contractor IncLicensed since 1967
- Pump Repair Service CoLicensed since 1970
- Cahill Contractors IncLicensed since 1974
- Watertight Restoration IncLicensed since 1979
General Contractors in San FranciscoCalifornia general contractors
What should you check before hiring?
What to ask before you hire
- Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- 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.
- 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
- Don't sign or pay a deposit until the CSLB shows the license active again.
- 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.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Nov 1, 2026)
- Contractors State License Board (CSLB)