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Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.

Pioneer Builders: CSLB License #555580

Source: CSLB public data · Updated November 1, 2026 · Official CSLB record

Not currently in good standing

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Suspended because CSLB has no $25,000 contractor's bond on file, so the license can't be used for contracting until one is processed.

License details

License number
555580
Primary status
Contr Bond Susp · what this means
Business type
Corporation
Issued
January 27, 1989 (37 years)
Expires
January 31, 2027
Classifications
A General Engineering Contractor
C-16 Fire Protection Contractor
C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
Mailing address
18095 Lucas Ave, Sonoma, CA, 95476
Phone
(415) 559 6759

Workers' compensation

Type
Exempt
Effective
June 16, 2025

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Contractor's bond

Surety
American Contractors Indemnity Company
Bond number
SC939520
Amount
$25,000
Effective
January 1, 2023
Cancelled
March 4, 2026

Status history

No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.

Related

Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.