This Government Contract opportunity from California was posted on August 10, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aggregate and Base Material Supply

Closed

State & Local

Submission Closed08/27/2026, 09:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 212324

SLED

Riprap/Rock SupplyThe contract entails the supply and delivery of durable, properly sized rock for riprap installation along a remote highway site under the jurisdiction of Caltrans, District 6 – Fresno/Bakersfield. The rock must meet specific engineering standards to ensure long-term stability and erosion control in challenging environmental conditions. Delivery logistics are a critical component, requiring coordinated transport to a location with limited accessibility, necessitating reliable planning, equipment, and timing to meet project deadlines. The nature of the work falls under NAICS code 212324, indicating the procurement is for quarrying and crushing rock, with the subcontractor responsible for sourcing, processing, and transporting material that complies with Caltrans specifications for durability, gradation, and size. The contract was posted on June 17, 2026, and performance is tied to a specific highway project site referenced through the provided California CEQA network link, implying compliance with state environmental and infrastructure protocols.

Caltrans, District 6 - Fresno/Bakersfield

POSTED

DEADLINE

D-Rock Aggregate Supply and DeliveryThe contract involves the supply and delivery of 1,310 tons of D-Rock aggregate specifically designated for use at the Ottawa National Wildlife Refuge to support river restoration efforts. The delivery terms specify FOB Destination, ensuring that the aggregate will be delivered directly to the site by July 7, 2026. This contract is issued under the Department of the Interior through the Construction A/E Team 2 FWS, aligning with NAICS code 212324, which pertains to construction sand and gravel mining. The solicitation was posted on April 14, 2026, as a subcontract opportunity. While details such as solicitation number, office address, or point of contact were not provided, the key performance requirement centers around timely delivery of the specified aggregate to aid environmental restoration within the designated timeframe. The contract emphasizes the importance of meeting the delivery deadline to facilitate the ongoing ecological project at the refuge.

Construction A/e Team 2 Fws

POSTED

DEADLINE

Aggregate Supply (Chips/Stones)The contract involves the supply of clean, graded aggregate specifically intended for use in chip sealing operations. This subcontract, titled "Aggregate Supply (Chips/Stones)," is managed by the Western Federal Lands Division under the Department of Transportation. The procurement falls under the NAICS code 212324, which pertains to mining of nonmetallic minerals, except fuels. The place of performance is identified as Cheyenne, and the contract was posted on February 27, 2026. Although details such as solicitation number, set-aside status, agency office address, and point of contact are not specified, the contract clearly focuses on providing the necessary aggregate materials to support chip sealing projects carried out by the agency. The primary objective is ensuring the timely delivery of quality aggregates for the agency’s infrastructure maintenance and improvement efforts.

690567 Western Federal Lands Division

POSTED

DEADLINE

Supply of Rock Slope Protection and Boulder MaterialsThe Central Valley Flood Protection Board in California is seeking a subcontractor for the supply of rock slope protection and boulder materials. The primary objective of this contract is the provision and delivery of boulder-sized rock and RSP materials that adhere to specific project specifications to ensure effective slope stabilization. The work is designated to be performed in Chico, California, under NAICS code 212324. This procurement opportunity was posted on January 16, 2026, and focuses on the critical delivery of materials necessary for flood protection and infrastructure stability.

Central Valley Flood Protection Board

POSTED

DEADLINE

Gravel Foundation and Backfill SupplyThis subcontract, titled Gravel Foundation and Backfill Supply, was posted on January 12, 2026, by the Fish and Wildlife, Region 2 - Northern Central office in Rancho Cordova, California. The scope of work involves the procurement and supply of gravel specifically intended for culvert foundation and backfill material. The project is categorized under NAICS code 212324, which pertains to the mining of construction sand and gravel. Further project details and documentation can be accessed through the provided California Environmental Quality Act net link.

Fish and Wildlife, Region 2 - Northern Central, Rancho Cordova

POSTED

DEADLINE

Rock and Aggregate SupplyThis subcontract, issued by the California Department of Forestry and Fire Protection, involves the procurement of durable rock and aggregate materials. The supplied materials must adhere to specific engineering and environmental standards to ensure their suitability for construction in a rock-filled ford crossing. Posted on January 7, 2026, the project is categorized under NAICS code 212324. Further details regarding the project can be accessed through the California Environmental Quality Act net portal.

California Forestry and Fire Protection, Department of

POSTED

DEADLINE

Fill Material SupplyThis subcontract, issued by the California Department of Water Resources, involves the supply of approved fill material specifically intended for road base and compaction as part of erosion repair work. The project is categorized under NAICS code 212324, which pertains to the extraction of construction materials. Posted on December 16, 2025, the contract focuses on providing materials that meet the necessary technical specifications for stabilizing and repairing eroded areas. Further project details and documentation can be accessed through the California Environmental Quality Act net portal.

California Water Resources, Department of

POSTED

DEADLINE

Aggregate and Gravel Supply

USDA Forest Service-Spoc Im

POSTED

DEADLINE

Annual Gravel Extraction (500 CY/year)This subcontract involves the annual extraction of up to 500 cubic yards of overburden gravel from designated areas at Rawson Ranch along Willow Creek. The project is managed by the California Fish and Wildlife Region 1 Northern Region office in Redding and Eureka under NAICS code 212324. Operations are strictly limited to the low flow season to protect the environment, and no in-water activities are permitted. The contract was posted on November 4, 2025, and focuses on controlled material removal within the specified site boundaries.

Fish and Wildlife, Region 1 - Northern Region, Redding and Eureka

POSTED

DEADLINE

Supply of Riprap, Angular Rock, and BouldersThis subcontract, issued by Caltrans District 11 in San Diego, involves the procurement and supply of riprap, angular rocks, and large boulders. The materials are intended for hardscaping applications specifically at bridge abutments and slopes. The primary objective of this project is to enhance infrastructure security and safety by deterring encampments and preventing rock-throwing incidents. The work will be performed within San Diego under NAICS code 212324.

Caltrans, District 11 - San Diego

POSTED

DEADLINE

Class IV Rock SupplyThis subcontract, issued by the Fish and Wildlife Region 2 Northern Central office in Rancho Cordova, California, concerns the supply of engineered Class IV rock. The materials must consist of stones weighing between 100 and 300 lbs each and must adhere to specific durability and hydraulic stability standards. The supplied rock is designated for rock slope protection along 50 linear feet of levee. The project is categorized under NAICS code 212324 and was posted on October 30, 2025.

Fish and Wildlife, Region 2 - Northern Central, Rancho Cordova

POSTED

12 months ago

DEADLINE

N/A

AI Contract Overview

The Hesperia Unified School District in California is seeking a subcontractor for the supply of aggregate and base materials. The scope of work involves providing crushed stone, gravel, or recycled materials specifically intended for use in subgrade and base course construction layers. Performance of these services will take place in Hesperia, California 92345. This opportunity was posted on August 10, 2026, and falls under NAICS code 212324. Interested parties must submit their responses by the deadline of August 27, 2026, at 9:00 PM. Further details and submission guidelines can be accessed through the BidAmerica portal.