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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 This record comes from CSLB's public data file dated November 1, 2026 and may be out of date.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 Underground Construction: CSLB License #844480

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
844480
Primary status
CLEAR · what this means
Business type
Sole Owner
Issued
August 11, 2004 (22 years)
Reissued
September 9, 2019
Expires
September 30, 2027
Classifications
C-61/D-9 Drilling, Blasting and Oil Field Work
Location
Lincoln, 95648
Phone
(408) 595 2477

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

Workers' compensation

Type
Workers' Compensation Insurance
Insurer
Insurance Company of the West
Policy number
WSA509145900
Effective
September 25, 2026
Expires
September 25, 2027

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

Contractor's bond

Surety
Philadelphia Indemnity Insurance Company
Bond number
PB10163414940
Amount
$25,000
Effective
September 3, 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.