Sem Incorporated, C-10 Electrical Contractor in Vacaville, CA
Sem Incorporated operating as a corporation holds an active California contractor license (CSLB #985869), valid through Aug 31, 2027. First issued in 2013, the license has been on the CSLB roster for 13 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Travelers Casualty and Surety Company of America that is no longer active. The business is based in Vacaville, in Solano County, California.
- License Number
- 985869
- Issued
- Aug 6, 2013
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100227529
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Travelers Casualty and Surety Company of America
- Policy Number
- UB6S56635A
- Effective
- Jul 30, 2025
- Expires
- Jul 30, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sem Incorporated licensed in California?
Yes. Sem Incorporated holds California Contractors State License Board license number 985869, which is active and in good standing. The license was first issued on August 6, 2013. It is valid through August 31, 2027.
What does Sem Incorporated specialize in?
Sem Incorporated is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Sem Incorporated headquartered?
Sem Incorporated is headquartered at P O Box 5154, Vacaville, CA 95696, in Solano County, California.
Does Sem Incorporated have an active surety bond on file with CSLB?
Yes. Sem Incorporated has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Sem Incorporated carry workers' compensation coverage?
Sem Incorporated has a previously-filed workers' compensation policy with Travelers Casualty and Surety Company of America that is no longer active.
How do I verify Sem Incorporated's contractor license?
You can verify Sem Incorporated's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=985869.
- License issuedAug 6, 2013
- Bond activeJan 1, 2023
- WC coverage startsJul 30, 2025
- WC expiredJul 30, 2026
- License expiresAug 31, 2027
- Mc Grath Electric INC#853934Fairfield·C-10 Electrical Contractor
- Dawson Electric#862412Benicia·C-10 Electrical Contractor
- Tritan Electric#866181Benicia·C-10 Electrical Contractor
- Element Electric INC#871218Dixon·C-10 Electrical Contractor
- N A S Electric#871296Vacaville·C-10 Electrical Contractor
- Emrom Electric INC#887696Vallejo·C-10 Electrical Contractor
- Electric Empire Electrical Contractors INC#885686Suisun City·C-10 Electrical Contractor
- Top - Plan Construction#793475Benicia·B General Building Contractor
Working a California job with Sem Incorporated, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Sem Incorporated? Claim or correct this profile