Public CSLB records

Mason White Landscape Architecture INC, C-27 Landscaping Contractor in Santa Rosa, CA

License #647511·Corporation·Santa Rosa, Sonoma County
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Summary

Mason White Landscape Architecture INC operating as a corporation holds an active California contractor license (CSLB #647511), valid through Mar 31, 2027. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: C-27 — Landscaping Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Santa Rosa, in Sonoma County, California.

Business Information
Address
P O Box 3382
Santa Rosa, CA 95402
License Details & Classifications
License Number
647511
Issued
Jun 13, 1992
Status
CLEAR
Expires
Mar 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
242272
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC1701306601
Effective
Oct 1, 2025
Expires
Oct 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Mason White Landscape Architecture INC licensed in California?

Yes. Mason White Landscape Architecture INC holds California Contractors State License Board license number 647511, which is active and in good standing. The license was first issued on June 13, 1992. It is valid through March 31, 2027.

What does Mason White Landscape Architecture INC specialize in?

Mason White Landscape Architecture INC is licensed for one CSLB classification: C-27 Landscaping Contractor.

Where is Mason White Landscape Architecture INC headquartered?

Mason White Landscape Architecture INC is headquartered at P O Box 3382, Santa Rosa, CA 95402, in Sonoma County, California.

Does Mason White Landscape Architecture INC have an active surety bond on file with CSLB?

Yes. Mason White Landscape Architecture INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Mason White Landscape Architecture INC carry workers' compensation coverage?

Yes. Mason White Landscape Architecture INC carries active workers' compensation coverage through Omaha National Casualty Company.

How do I verify Mason White Landscape Architecture INC's contractor license?

You can verify Mason White Landscape Architecture INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=647511.

Activity Timeline
  1. License issuedJun 13, 1992
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. WC expiresOct 1, 2026
  5. License expiresMar 31, 2027
Other contractors in Sonoma County
California lien & payment resources

Working a California job with Mason White Landscape Architecture INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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