This Government Contract opportunity from California was posted on September 2, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aggregate Base and Subgrade Enhancement

Closed

State & Local

Submission Closed09/24/2026, 06:00:00 PM UTC

Contract Overview

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

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NAICS: 238910

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Roof Demolition & Substrate Preparation

Detroit Public Schools

POSTED

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Heavy Civil Site Work and Earthmoving

New York

POSTED

about 12 hours ago

DEADLINE

in 20 days

AI Contract Overview

This subcontract opportunity is for the supply and installation of aggregate base courses and geosynthetic materials for civil infrastructure projects within the City of Pittsburg, California. The selected provider will be responsible for delivering a stabilized subgrade and base layer by installing crushed aggregate and fabric, specifically utilizing subgrade enhancement geogrids and geotextiles to support prime contractors. The project falls under NAICS code 238910 and is associated with the City of Pittsburg. Interested parties must submit their responses by the deadline of September 24, 2026, following the posting date of September 2, 2026. Performance of the work will take place in Pittsburg, zip code 94565.

General Info

Supply and install aggregate base and geosynthetics for City of Pittsburg by September 2026.

Agency

California → City of Pittsburg

NAICS

238910 - Site Preparation Contractors

Place of Performance

Pittsburg, CA, 94565, USA

Set-Aside

NONE

Documents

This scope was carved out of 3040.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Buchanan Park Pond Loop Replacement

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 2

subcontract

Response DeadlineSep 24

Deadline has passed

Submission Closed

09/24/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Pittsburg

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Pittsburg

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies and installs aggregate base courses and geosynthetic materials for prime contractors on City of Pittsburg civil infrastructure projects. Installs aggregate base courses and subgrade enhancement geogrids and geotextiles using crushed aggregate and fabric. Delivers a stabilized subgrade and base layer.