Sigma One Construction INC, A General Engineering Contractor in Riverside, CA
Sigma One Construction INC operating as a corporation holds an active California contractor license (CSLB #1123441), valid through Jul 31, 2026. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries 2 CSLB classifications: A General Engineering Contractor and C-10 Electrical Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Riverside, in Riverside County, California.
- License Number
- 1123441
- Issued
- Jul 9, 2024
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- Ohio Casualty Insurance Company (the)
- Bond Number
- 999326177
- Effective
- Apr 26, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9384655
- Effective
- Jul 28, 2025
- Expires
- Jul 28, 2026
This contractor warrants a closer look before contracting:
- License expires in 5 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sigma One Construction INC licensed in California?
Yes. Sigma One Construction INC holds California Contractors State License Board license number 1123441, which is active and in good standing. The license was first issued on July 9, 2024. It is valid through July 31, 2026.
What does Sigma One Construction INC specialize in?
Sigma One Construction INC is licensed for 2 CSLB classifications: A General Engineering Contractor and C-10 Electrical Contractor.
Where is Sigma One Construction INC headquartered?
Sigma One Construction INC is headquartered at 6296 Magnolia Ave #1074, Riverside, CA 92506, in Riverside County, California.
Does Sigma One Construction INC have an active surety bond on file with CSLB?
Yes. Sigma One Construction INC has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).
Does Sigma One Construction INC carry workers' compensation coverage?
Yes. Sigma One Construction INC carries active workers' compensation coverage through State Compensation Insurance Fund.
How do I verify Sigma One Construction INC's contractor license?
You can verify Sigma One Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1123441.
- Bond activeApr 26, 2024
- License issuedJul 9, 2024
- WC coverage startsJul 28, 2025
- WC expiresJul 28, 2026
- License expiresJul 31, 2026
- Dbx INC#240547Temecula·A General Engineering Contractor
- Near-Cal CORP#230077Lake Elsinore·A General Engineering Contractor
- Weissker Herman INC#183556Riverside·A General Engineering Contractor
- Ultimo Organization INC#338922Temecula·A General Engineering Contractor
- R Jensen CO INC#353856Norco·A General Engineering Contractor
- Century Construction Company#358946Murrieta·A General Engineering Contractor
- Sierra Pacific Electrical Contracting#264048Jurupa Valley·A General Engineering Contractor
- Schones Gary F#298135Riverside·A General Engineering Contractor
Working a California job with Sigma One Construction INC, 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 Sigma One Construction INC? Claim or correct this profile