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 This record comes from CSLB's public data file dated November 1, 2026 and may be out of date.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

Cornerstone Concrete LLC: CSLB License #1031561

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

Active, no issues in CSLB file

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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
1031561
Primary status
CLEAR · what this means
Business type
Limited Liability
Issued
October 2, 2017 (9 years)
Reissued
February 19, 2019
Expires
February 28, 2027
Classifications
C-8 Concrete Contractor
Mailing address
350 Limerick Way, Vacaville, CA, 95688
Phone
(707) 862 1404

Workers' compensation

Type
Workers' Compensation Insurance
Insurer
State Compensation Insurance Fund
Policy number
9384420
Effective
July 23, 2025
Expires
July 23, 2027

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Contractor's bond

Surety
American Contractors Indemnity Company
Bond number
100426996
Amount
$25,000
Effective
January 1, 2023

Bond of qualifying individual

Surety
Western Surety Company
Bond number
66983909
Amount
$100,000
Effective
March 22, 2024

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.