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MONTALVO CONCRETE LLC

License #570320FontanaLimited LiabilityLicensed since June 9, 1989

License

Status
CLEAR
First issued
June 9, 1989
Reissued
April 10, 2026
Expires
April 30, 2028
Entity
Limited Liability
Address of record
4993 THORNBERRY WAY, Fontana, CA 92336
Phone of record
(626) 826 8487

Contractor bond

Surety
PLATTE RIVER INSURANCE COMPANY
Bond number
A270103348
Amount
$25,000
Effective
April 10, 2026

Workers’ compensation

Carrier
WESCO INSURANCE COMPANY
Policy number
WES3852022
Effective
March 20, 2026
Expires
March 20, 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 22 licensed concrete contractors in Fontana.

People on this license

NameTitleSinceThrough
MONTALVO RONALD ANTHONYResponsible Managing Officer/Chief Executive Officer/PresidentApril 10, 2026Current
RAMIREZ ALBERT GABRIELOfficerApril 10, 2026Current
VILLAREAL JUAN ANDREWOfficerApril 10, 2026Current
MONTALVO RONALD ANTHONYSole OwnerJune 9, 1989June 30, 1993
MONTALVO RONALD ANTHONYSole OwnerDecember 13, 2005April 10, 2026

Verified status badge

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MONTALVO CONCRETE LLC — California contractor license #570320 status, verified against CSLB records
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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.