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 This record comes from CSLB's public data file dated November 1, 2026 and may be out of date.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

Bay Construction CO: CSLB License #593411

Source: CSLB public data · Updated November 1, 2026 · CSLB's 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
593411
Primary status
CLEAR · what this means
Business type
Corporation
Full business name
Mark Lee and Yong Kay INC DBA Bay Construction CO
Issued
May 10, 1990 (36 years)
Expires
May 31, 2028
Classifications
A General Engineering Contractor
B General Building Contractor
C-27 Landscaping Contractor
C-33 Painting and Decorating Contractor
Mailing address
4026 Martin Luther King JR Way, Oakland, CA, 94609
Phone
(510) 658-7225

Workers' compensation

Type
Workers' Compensation Insurance
Insurer
State Compensation Insurance Fund
Policy number
9073528
Effective
October 1, 2013
Expires
October 1, 2027

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

Contractor's bond

Surety
American Contractors Indemnity Company
Bond number
54477
Amount
$25,000
Effective
January 1, 2023

Bond of qualifying individual

CSLB's public file lists no qualifier bond for this license. One isn't required when the qualifier owns at least 10% of the business, and some qualifier bonds appear only on CSLB's record.

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.