Sierra Construction, B General Building Contractor in Ontario, CA
Sierra Construction operating as a sole owner holds an active California contractor license (CSLB #681123), valid through Nov 30, 2027. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Ontario, in San Bernardino County, California.
- License Number
- 681123
- Issued
- Nov 30, 1993
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67302499
- Effective
- Dec 2, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Oct 24, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sierra Construction licensed in California?
Yes. Sierra Construction holds California Contractors State License Board license number 681123, which is active and in good standing. The license was first issued on November 30, 1993. It is valid through November 30, 2027.
What does Sierra Construction specialize in?
Sierra Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Sierra Construction headquartered?
Sierra Construction is headquartered at 320 North Muscatel, Ontario, CA 91764, in San Bernardino County, California.
Does Sierra Construction have an active surety bond on file with CSLB?
Yes. Sierra Construction has an active California contractor surety bond filed with Western Surety Company.
Does Sierra Construction carry workers' compensation coverage?
Sierra Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sierra Construction's contractor license?
You can verify Sierra Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=681123.
- License issuedNov 30, 1993
- Bond activeDec 2, 2024
- WC coverage startsOct 24, 2025
- License expiresNov 30, 2027
- Matich Corporation#149783Highland·A General Engineering Contractor
- D & R Plumbing INC#150458Chino·B General Building Contractor
- Wilshire Tile INC#188956Upland·B General Building Contractor
- Stubblefield Construction Company#185608Highland·B General Building Contractor
- Henry Bush Plumbing Heating Air & Home Energy Solutions#184826Redlands·B General Building Contractor
- Duke Pacific INC#176982Chino·B General Building Contractor
- Curran Ken Electric INC#225177Hesperia·B General Building Contractor
- Wm C Buster INC#215972Redlands·B General Building Contractor
Working a California job with Sierra Construction, 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 Sierra Construction? Claim or correct this profile