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California contractor license
Drill Tech Drilling & Shoring Inc
Drill Tech Drilling & Shoring Inc of Antioch holds California license 745354 (A General Engineering, C57 Well Drilling, D30, HAZ Hazardous Substance Removal Certification). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Jan 31, 2028.
Licensed 28 years, longer than 95% of 120 active Antioch general contractors.
Active
Drill Tech Drilling & Shoring Inc, Antioch
- License
- 745354
- Class
- A General Engineering; C57 Well Drilling; D30; HAZ Hazardous Substance Removal Certification
- Expires
- Jan 31, 2028
- Bond
- $25,000
- Workers' comp
- Insured to May 31, 2027
CSLB file dated Oct 31, 2026
From the CSLB file dated Oct 31, 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 Oct 31, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000The Guarantee Company Of North America USA, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredOld Republic Insurance Company, from May 31, 2026, to May 31, 2027
Who is on this license?
- Officer
- Ann S. CresonSince Jan 30, 1998
- Officer
- David L. ShupeSince Jan 30, 1998
- Officer
- Thea A. ShupeSince Jan 30, 1998
- Officer
- Scott J. PrebleSince Oct 16, 2013
- Responsible managing officer, CEO and president
- Shannon R. CresonSince Jan 30, 1998
What work does this license cover?
Issued Jan 30, 1998.
- A General Engineering
- C57 Well Drilling
- D30
- HAZ Hazardous Substance Removal Certification
Which other Antioch businesses hold A General Engineering?
- Stroer & Graff IncLicensed since 1981
- Vortex Marine Construction IncLicensed since 1992
- Otb ConstructionLicensed since 2001
- Tidal Marine Construction IncLicensed since 2007
- Andre's Mechanical And General Engineering IncLicensed since 2008
General Contractors in AntiochCalifornia general contractors
What should you check before hiring?
What to ask before you hire
- 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, Oct 31, 2026)
- Contractors State License Board (CSLB)