Public CSLB records

CORESTONE

License #1149918·Sole Owner·UKIAH, Mendocino County
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Summary

CORESTONE operating as a sole owner is licensed in California under CSLB number 1149918. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in UKIAH, in Mendocino County, California.

Business Information
Address
4016 FRACCHIA ROAD
UKIAH, CA 95482
License Details & Classifications
License Number
1149918
Issued
Feb 3, 2026
Status
CLEAR
Expires
Feb 29, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond Number
101024062
Effective
Jan 10, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Jan 15, 2026
Expires
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
  1. Bond activeJan 10, 2026
  2. WC coverage startsJan 15, 2026
  3. License issuedFeb 3, 2026
  4. License expiresFeb 29, 2028