Allison-Sierra INC, A General Engineering Contractor in Mariposa, CA
Allison-Sierra INC operating as a corporation holds an active California contractor license (CSLB #507261), valid through Mar 31, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries 2 CSLB classifications: A General Engineering Contractor and C-57 Well Drilling Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Ace American Insurance Company. The business is based in Mariposa, in Mariposa County, California.
- License Number
- 507261
- Issued
- Mar 13, 1987
- Status
- CLEAR
- Expires
- Mar 31, 2027
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7900395311
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Leasing Firm, Temp Agency, etc
- Carrier
- Ace American Insurance Company
- Policy Number
- C73869353
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Allison-Sierra INC licensed in California?
Yes. Allison-Sierra INC holds California Contractors State License Board license number 507261, which is active and in good standing. The license was first issued on March 13, 1987. It is valid through March 31, 2027.
What does Allison-Sierra INC specialize in?
Allison-Sierra INC is licensed for 2 CSLB classifications: A General Engineering Contractor and C-57 Well Drilling Contractor.
Where is Allison-Sierra INC headquartered?
Allison-Sierra INC is headquartered at 3923 Bootjack Lane, Mariposa, CA 95338, in Mariposa County, California.
Does Allison-Sierra INC have an active surety bond on file with CSLB?
Yes. Allison-Sierra INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Allison-Sierra INC carry workers' compensation coverage?
Yes. Allison-Sierra INC carries active workers' compensation coverage through Ace American Insurance Company.
How do I verify Allison-Sierra INC's contractor license?
You can verify Allison-Sierra INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=507261.
- License issuedMar 13, 1987
- Bond activeJan 1, 2023
- WC coverage startsOct 1, 2025
- WC expiresOct 1, 2026
- License expiresMar 31, 2027
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