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California contractor license
Tinpa Electric Inc
Tinpa Electric Inc of Alameda holds California license 922499 (C10 Electrical). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Oct 31, 2027.
Licensed 18 years, longer than 60% of 25 active Alameda electrical contractors.
Active
Tinpa Electric Inc, Alameda
- License
- 922499
- Class
- C10 Electrical
- Expires
- Oct 31, 2027
- Bond
- $25,000
- Workers' comp
- Insured to Nov 4, 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
- $25,000Merchants Bonding Company (Mutual), from Oct 16, 2025, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredEmployers Preferred Insurance Company, from Nov 4, 2025, to Nov 4, 2027
Who is on this license?
- Responsible managing officer, CEO and president
- Weiguo ZengSince Sep 19, 2008
What work does this license cover?
Issued Sep 19, 2008. Reissued Oct 17, 2019.
Which other Alameda businesses hold C10 Electrical?
- Thomas Electric CompanyLicensed since 1997
- Sun's FreeLicensed since 2008
- Anchor Electric IncLicensed since 2010
- One Touch Electric LLCLicensed since 2010
- Sky Bridge IncLicensed since 2015
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)