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California contractor license
Ricker Thermline Incorporated
Ricker Thermline Incorporated of Martinez holds California license 605697 (B General Building). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Oct 31, 2028.
Licensed 36 years, longer than 87% of 109 active Martinez general contractors.
Active
Ricker Thermline Incorporated, Martinez
- License
- 605697
- Class
- B General Building
- Expires
- Oct 31, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Aug 1, 2027
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
- $25,000Harco National Insurance Company, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredIndemnity Insurance Company Of North America, from Aug 1, 2026, to Aug 1, 2027
Who is on this license?
- Responsible managing officer, CEO and president
- Jason D. RickerSince Oct 8, 1998
What work does this license cover?
Issued Oct 31, 1990.
Which other Martinez businesses hold B General Building?
- Farr James H Construction IncorporatedLicensed since 1980
- Searls And Son Builders IncLicensed since 1985
- Rangel G LLicensed since 1993
- All Heart Construction IncLicensed since 1994
- Stevens - Hemingway - Stevens ConstructionLicensed since 1997
General Contractors in MartinezCalifornia 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, Nov 1, 2026)
- Contractors State License Board (CSLB)