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ESSENTIAL ENGINEERING PLUMBING & ROOTER

License #1139782PittsburgCorporationLicensed since July 1, 2025

License

Status
CLEAR
First issued
July 1, 2025
Expires
July 31, 2027
Entity
Corporation
Address of record
2129 STOCKTON CT, Pittsburg, CA 94565
Phone of record
(650) 784 5744

Contractor bond

Surety
PHILADELPHIA INDEMNITY INSURANCE COMPANY
Bond number
PB10163413288
Amount
$25,000
Effective
July 26, 2026

Workers’ compensation

Carrier
SECURITY NATIONAL INSURANCE COMPANY
Policy number
SWC1672057
Effective
August 17, 2026
Expires
August 17, 2027

Are they licensed for your job?

A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.

Licensed to perform

A contractor may only contract for work within their classifications. See all 27 licensed plumbing contractors in Pittsburg.

People on this license

NameTitleSinceThrough
LAITANO ZAMBRANO TANIA CAROLINAOfficerJuly 1, 2025Current
MATAMOROS TORRES LUIS GERARDOResponsible Managing OfficerMay 28, 2026Current
ZAMBRANO REYES RONALD ANTONIOChief Executive Officer/PresidentJuly 1, 2025Current
ZAMBRANO REYES JIMMY ZAMARResponsible Managing OfficerJuly 1, 2025May 28, 2026

Verified status badge

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ESSENTIAL ENGINEERING PLUMBING & ROOTER — California contractor license #1139782 status, verified against CSLB records
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Is this your license?

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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.