A1 Construction, B General Building Contractor in San Bernardino, CA
A1 Construction operating as a corporation holds an active California contractor license (CSLB #817084), valid through Jun 30, 2026. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries 3 CSLB classifications: B General Building Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Benchmark Insurance Company. The business is based in San Bernardino, in San Bernardino County, California.
San Bernardino, CA 92407
- License Number
- 817084
- Issued
- Feb 5, 2003
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Corporation
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163408467
- Effective
- Jan 21, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Benchmark Insurance Company
- Policy Number
- 99WC0000532100
- Effective
- Dec 9, 2025
- Expires
- Dec 9, 2026
This contractor warrants a closer look before contracting:
- License expires in 2 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is A1 Construction licensed in California?
Yes. A1 Construction holds California Contractors State License Board license number 817084, which is active and in good standing. The license was first issued on February 5, 2003. It is valid through June 30, 2026.
What does A1 Construction specialize in?
A1 Construction is licensed for 3 CSLB classifications: B General Building Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor.
Where is A1 Construction headquartered?
A1 Construction is headquartered at 967 Kendall Drive Suite A323, San Bernardino, CA 92407, in San Bernardino County, California.
Does A1 Construction have an active surety bond on file with CSLB?
Yes. A1 Construction has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does A1 Construction carry workers' compensation coverage?
Yes. A1 Construction carries active workers' compensation coverage through Benchmark Insurance Company.
How do I verify A1 Construction's contractor license?
You can verify A1 Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=817084.
- License issuedFeb 5, 2003
- WC coverage startsDec 9, 2025
- Bond activeJan 21, 2026
- License expiresJun 30, 2026
- WC expiresDec 9, 2026
- Henry Bush Plumbing Heating Air & Home Energy Solutions#184826Redlands·B General Building Contractor
- Fuel Pros INC#269354Chino·A General Engineering Contractor
- Oliva Franklin T & CO#316442Phelan·B General Building Contractor
- D & R Plumbing INC#150458Chino·B General Building Contractor
- L T Design & Construction#292255Landers·B General Building Contractor
- Gomes H John JR#294227Cedar Glen·B General Building Contractor
- Braeger Construction INC#290219Upland·A General Engineering Contractor
- Montgomery Hardware CO#285746Rancho Cucamonga·B General Building Contractor
Working a California job with A1 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 A1 Construction? Claim or correct this profile