This Government Contract opportunity from California was posted on June 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aggregate Base Installation

Closed

State & Local

Submission Closed07/16/2026, 05:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 423320

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Solicitation # WMARC-489

The County of Riverside Department of Waste Resources is soliciting quotations for the supply and delivery of various aggregate materials, including crushed rock, base, and gravel. These materials are required for the Badlands and Lamb Canyon landfills, as well as potentially thirty-three closed or inactive sites and other jobsites throughout Riverside County. Specific materials requested include clean unwashed crushed rock for gas wells and roads, crushed rock for road base, larger crushed rock for wet weather pads, and washed gravel for erosion control sandbags. The County also seeks pricing for Class II, Class III, or Crushed Miscellaneous Base for roadway applications, with the option for a washed surcharge if required. The procurement process began with the release of the request on August 25, 2026, and includes a non-mandatory pre-bid meeting via Microsoft Teams on September 8, 2026. Interested bidders must submit all questions through PublicPurchase.com by September 14, 2026, and final quotations are due by September 24, 2026. The contract is expected to be awarded to the lowest bidder meeting all specifications, with a tentative effective date of February 1, 2027.

County of Riverside

POSTED

17 days ago

DEADLINE

in 13 days

AI Contract Overview

The City of Rancho Cordova is seeking a subcontractor for the supply and installation of 1,600 cubic yards of Class II Aggregate Base. The project requires proper compaction between 90 and 95 percent and strict adherence to both Caltrans and County specifications. Work will be performed within Rancho Cordova, California, under NAICS code 423320. The solicitation was posted on June 18, 2026, and the deadline for responses is July 16, 2026, at 5:00 PM. Interested parties can find further details and submission guidelines through the provided BidAmerica portal.

General Info

Rancho Cordova seeks subcontractor for 1,600 cubic yards of Class II Aggregate Base.

Agency

California → City of Rancho CordovaView Agency

NAICS

423320 - Brick, Stone, and Related Construction Material Merchant WholesalersView NAICS

Place of Performance

Rancho Cordova, CA, 95670, USA

Set-Aside

NONE

Documents

This scope was carved out of 90056.

The full solicitation package (11 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Mills Crossing Right of Way Infrastructure Project

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

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Timeline

PhaseClosed

PostedJun 18

subcontract

Response DeadlineJul 16

Deadline has passed

Submission Closed

07/16/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Rancho Cordova

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → City of Rancho Cordova

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Supply and install 1,600 cubic yards of Class II Aggregate Base with proper compaction (90–95%) and compliance with Caltrans and County specifications.

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