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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 This record comes from CSLB's public data file dated November 1, 2026 and may be out of date.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.

Master Craft Waterproofing & Sealants: CSLB License #731941

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

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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.

License details

License number
731941
Primary status
CLEAR · what this means
Secondary status
WC Susp Pending · what this means
Business type
Sole Owner
Issued
January 30, 1997 (29 years)
Expires
January 31, 2027
Classifications
C-33 Painting and Decorating Contractor
Location
Livermore, 94550
Phone
(408) 640 5829

This is a sole-owner license, so we show only the city and ZIP code.

Workers' compensation

Type
Workers' Compensation Insurance
Insurer
Oak River Insurance Company
Policy number
MAWC650856
Effective
October 7, 2025
Expires
October 7, 2026

Confirm coverage with CSLB's insurer search. How to check workers' comp.

Contractor's bond

Surety
Nationwide Mutual Insurance Company
Bond number
7901326318
Amount
$25,000
Effective
September 1, 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.