Cornerstone Building INC, B General Building Contractor in Janesville, CA
Cornerstone Building INC operating as a corporation holds an active California contractor license (CSLB #1136487), valid through Apr 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Janesville, in Lassen County, California.
- License Number
- 1136487
- Issued
- Apr 23, 2025
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100947881
- Effective
- Apr 4, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 27, 2026
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Cornerstone Building INC licensed in California?
Yes. Cornerstone Building INC holds California Contractors State License Board license number 1136487, which is active and in good standing. The license was first issued on April 23, 2025. It is valid through April 30, 2027.
What does Cornerstone Building INC specialize in?
Cornerstone Building INC is licensed for one CSLB classification: B General Building Contractor.
Where is Cornerstone Building INC headquartered?
Cornerstone Building INC is headquartered at 463-555 County Road A3, Janesville, CA 96114, in Lassen County, California.
Does Cornerstone Building INC have an active surety bond on file with CSLB?
Yes. Cornerstone Building INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Cornerstone Building INC carry workers' compensation coverage?
Cornerstone Building INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cornerstone Building INC's contractor license?
You can verify Cornerstone Building INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1136487.
- Bond activeApr 4, 2025
- License issuedApr 23, 2025
- WC coverage startsJan 27, 2026
- License expiresApr 30, 2027
- Elite Construction#1069813Janesville·B General Building Contractor
- Treece Construction LLC#1094575Lake Almanor·B General Building Contractor
- Smith Michael General Contractor#386138Susanville·B General Building Contractor
- Womack Construction#463119Lake Almanor·B General Building Contractor
- Stoneco Construction INC#517925Susanville·A General Engineering Contractor
- Delucchi Mark William#499108Lake Almanor·B General Building Contractor
- Reeds Plumbing#494496Susanville·B General Building Contractor
- Colbert and Son#433374Janesville·B General Building Contractor
Working a California job with Cornerstone Building 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 Cornerstone Building INC? Claim or correct this profile