Osis Building Services
Osis Building Services operating as a sole owner is licensed in California under CSLB number 987065. The license was first issued in 2013, putting the business at 13 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Platte River Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Rancho Cucamonga, in San Bernardino County, California.
- License Number
- 987065
- Issued
- Sep 21, 2013
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Platte River Insurance Company
- Bond Number
- PR2766111
- Effective
- Jan 26, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 21, 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 Osis Building Services licensed in California?
Yes. Osis Building Services holds California Contractors State License Board license number 987065. The license was first issued on September 21, 2013. It is valid through January 31, 2028.
What does Osis Building Services specialize in?
Osis Building Services is licensed for one CSLB classification: B General Building Contractor.
Where is Osis Building Services headquartered?
Osis Building Services is headquartered at 8206 Highridge Pl, Rancho Cucamonga, CA 91730, in San Bernardino County, California.
Does Osis Building Services have an active surety bond on file with CSLB?
Yes. Osis Building Services has an active California contractor surety bond filed with Platte River Insurance Company.
Does Osis Building Services carry workers' compensation coverage?
Osis Building Services reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Osis Building Services's contractor license?
You can verify Osis Building Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=987065.
- License issuedSep 21, 2013
- WC coverage startsNov 21, 2025
- Bond activeJan 26, 2026
- License expiresJan 31, 2028
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