Wallstrum Building
Wallstrum Building operating as a sole owner is licensed in California under CSLB number 486855. The license was first issued in 1986, putting the business at 40 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 Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Santa Rosa, in Sonoma County, California.
- License Number
- 486855
- Issued
- Feb 7, 1986
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67326561
- Effective
- May 25, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 2, 2026
- 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 Wallstrum Building licensed in California?
Yes. Wallstrum Building holds California Contractors State License Board license number 486855. The license was first issued on February 7, 1986. It is valid through January 31, 2027.
What does Wallstrum Building specialize in?
Wallstrum Building is licensed for one CSLB classification: B General Building Contractor.
Where is Wallstrum Building headquartered?
Wallstrum Building is headquartered at 3230 Nielsen Road, Santa Rosa, CA 95404, in Sonoma County, California.
Does Wallstrum Building have an active surety bond on file with CSLB?
Yes. Wallstrum Building has an active California contractor surety bond filed with Western Surety Company.
Does Wallstrum Building carry workers' compensation coverage?
Wallstrum Building reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Wallstrum Building's contractor license?
You can verify Wallstrum Building's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=486855.
- License issuedFeb 7, 1986
- Bond activeMay 25, 2025
- WC coverage startsMar 2, 2026
- License expiresJan 31, 2027
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