Public CSLB records

PLONOWSKI ARCHITECTS + BUILDERS

License #649916·Sole Owner·MILL VALLEY, Marin County
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Summary

PLONOWSKI ARCHITECTS + BUILDERS operating as a sole owner is licensed in California under CSLB number 649916. The license was first issued in 1992, putting the business at 34 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 BUSINESS ALLIANCE INSURANCE COMPANY and a previously-filed workers' compensation policy with TRANSPORTATION INSURANCE COMPANY that is no longer active. The business is based in MILL VALLEY, in Marin County, California.

Business Information
Address
23 DORSET LANE
MILL VALLEY, CA 94941
License Details & Classifications
License Number
649916
Issued
Jul 14, 1992
Status
CLEAR
Expires
Jul 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
BUSINESS ALLIANCE INSURANCE COMPANY
Bond Number
G141223297765
Effective
Feb 4, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
TRANSPORTATION INSURANCE COMPANY
Policy Number
7039131404
Effective
Dec 21, 2025
Expires
Dec 21, 2026
Cancelled
Apr 22, 2026
License StatusActive
Contractor BondOn file
Workers' CompensationInactive
Activity Timeline
  1. License issuedJul 14, 1992
  2. Bond activeFeb 4, 2025
  3. WC coverage startsDec 21, 2025
  4. WC cancelledApr 22, 2026
  5. License expiresJul 31, 2026
  6. WC expiresDec 21, 2026