Ilh Construction Company, B General Building Contractor in San Francisco, CA
Ilh Construction Company operating as a sole owner holds an active California contractor license (CSLB #335601), valid through Sep 30, 2026. First issued in 1977, the license has been on the CSLB roster for 49 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Great American Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Francisco, in San Francisco County, California.
- License Number
- 335601
- Issued
- May 20, 1977
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Great American Insurance Company
- Bond Number
- 147236562024
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 16, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- License expires in 69 days
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ilh Construction Company licensed in California?
Yes. Ilh Construction Company holds California Contractors State License Board license number 335601, which is active and in good standing. The license was first issued on May 20, 1977. It is valid through September 30, 2026.
What does Ilh Construction Company specialize in?
Ilh Construction Company is licensed for one CSLB classification: B General Building Contractor.
Where is Ilh Construction Company headquartered?
Ilh Construction Company is headquartered at 988 Jackson Street, San Francisco, CA 94133, in San Francisco County, California.
Does Ilh Construction Company have an active surety bond on file with CSLB?
Yes. Ilh Construction Company has an active California contractor surety bond filed with Great American Insurance Company.
Does Ilh Construction Company carry workers' compensation coverage?
Ilh Construction Company reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ilh Construction Company's contractor license?
You can verify Ilh Construction Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=335601.
- License issuedMay 20, 1977
- Bond activeJan 1, 2023
- WC coverage startsNov 16, 2025
- License expiresSep 30, 2026
- Halperin Construction CO#335632San Francisco·B General Building Contractor
- Linebarger Const & Plumbing#333093San Francisco·B General Building Contractor
- O'brien Frank J#343837San Francisco·B General Building Contractor
- Coit Construction#341277San Francisco·B General Building Contractor
- Erkon Construction#335942San Francisco·B General Building Contractor
- Standard Roofing Company#348544San Francisco·B General Building Contractor
- Mesa Construction#347888San Francisco·B General Building Contractor
- Allen Jonathan B#347314San Francisco·B General Building Contractor
Working a California job with Ilh Construction Company, 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 Ilh Construction Company? Claim or correct this profile