This Subcontract opportunity from California was posted on August 5, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Marine Concrete Construction

Closed

State & Local

Submission Closed09/09/2026, 02:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 238110

New

26_1119 – Robbinsdale-MN

Solicitation # 261119-robbinsdale-mn

Caldwell Tanks, Inc. is seeking subcontractors for a water tank construction project located in Robbinsdale, Minnesota. The solicitation covers several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. Interested bidders must adhere to specific Disadvantaged Business Enterprise goals, with target participation rates set at 3.5 percent for Minority Business Enterprises and 5.0 percent for Women Business Enterprises. The response deadline for this opportunity is November 17, 2026.

POSTED

DEADLINE

Elbon Tank #2, Schedule 2- Elevated Tank Project

Solicitation # elbon-tank-2-schedule-2-elevated-tank-project

Caldwell Tanks, Inc. is seeking subcontractors for the Elbon Tank #2, Schedule 2 Elevated Tank Project located in Phillip, South Dakota. The project involves several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. This solicitation is specifically set aside for small businesses, including SAM.gov designated Small Disadvantaged Businesses and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by November 13, 2026. Primary coordination for this opportunity is managed by Eric Koetter.

POSTED

DEADLINE

Concrete Barrier and Transition InstallationThis subcontract involves the installation of concrete barriers and transitions for prime contractors on Caltrans highway projects located in San Diego County. The scope of work includes the installation of 92-foot and 56-foot Type 60M concrete barriers, 12-inch concrete barrier transitions, and concrete ditch lining, all of which must comply with 2026 Standard Plans A76A and A76G. The contractor is responsible for delivering the fully completed and installed concrete barrier system. The project falls under NAICS code 238110 and requires strict adherence to Build America Buy America standards. Interested parties must submit their responses by November 23, 2026, for this California Department of Transportation initiative.

California Department of Transportation

POSTED

DEADLINE

Concrete and Masonry RepairThis subcontract agreement involves providing concrete and masonry repair services for prime contractors working on Texas Health and Human Services Commission facility projects. The scope of work specifically includes filling holes in concrete floors and removing broken brick to fill voids with concrete to ensure the delivery of fully repaired surfaces. The project is categorized under NAICS code 238110 and requires all personnel to undergo Texas DPS criminal and sex offender background checks. Interested parties should note the response deadline of December 1, 2026, for this state-level agency requirement.

Health and Human Services Commission

POSTED

DEADLINE

Headwall Removal and Concrete ReplacementThis subcontract for the Hall County Board of Commissioners involves the demolition of existing concrete structures and the construction of new stormwater headwalls. The scope of work includes the removal of old headwalls, necessary excavation, and the forming and pouring of three new concrete headwalls, specifically two for 72-inch pipes and one for a 24-inch pipe. The contractor is responsible for providing all required excavators and concrete forming equipment to complete the installation. The project is categorized under NAICS code 238110 and was posted on November 6, 2026, with a response deadline of December 3, 2026. The selected subcontractor will work under prime contractors to deliver the completed headwall installations within Georgia.

Hall County Board of Commissioners

POSTED

DEADLINE

Concrete Repair & PavingThis subcontract, titled Concrete Repair and Paving, involves performing specialized concrete repairs and roadway pavement installation for prime contractors on US Army facility projects located in Greenville, Kentucky. The scope of work includes repairing concrete for dispenser and offload fueling islands, as well as the installation of concrete circulation pavement and splash blocks. All work must be executed in strict accordance with UFGS 03 30 00 and UFGS 32 13 13.06 standards. The project is managed by the Bristol Alliance of Companies through their Golden Colorado office and falls under NAICS code 238110. Interested parties should note that the response deadline for this opportunity is December 22, 2026.

Bristol Alliance of Companies

POSTED

DEADLINE

Concrete Footing Installation for FencingThis subcontract for Concrete Footing Installation for Fencing involves performing excavation and pouring of concrete footings for prime contractors on projects managed by the Fayette County Board of Commissioners in Georgia. The scope of work includes digging and preparing footings for fence poles and backstop supports using IBC-standard concrete mix, with a requirement to coordinate all mandatory inspections with the Fayette County Building Safety Department before pouring. The opportunity was posted on November 6, 2026, with a response deadline of December 15, 2026. Classified under NAICS code 238110, the contract focuses on the delivery of fully inspected and poured concrete footings to meet project specifications.

Fayette County Board of Commissioners

POSTED

DEADLINE

Concrete and Masonry WorkThis subcontract for Concrete and Masonry Work involves providing structural concrete and masonry services for prime contractors on State of Connecticut healthcare facility projects. The scope of work includes the installation of reinforcing steel and cast-in-place concrete, as well as the installation of concrete masonry units with reinforcing steel to deliver completed structures. Managed by DAS Procurement for the state of Connecticut under NAICS code 238110, the opportunity was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 3, 2026.

POSTED

DEADLINE

Concrete & Earthwork ContractorThis subcontract opportunity is for a Concrete and Earthwork Contractor to support prime contractors on facility projects at the University of Baltimore. The scope of work involves comprehensive site preparation and concrete installation, specifically focusing on earthwork, concrete placement, and the installation of porous unit paving to deliver finished foundations, slabs, and paved areas. The solicitation was posted on November 6, 2026, with a response deadline of December 2, 2026. Classified under NAICS code 238110, this project is centered in Maryland and requires specialized expertise in site development and concrete finishing to meet the university's infrastructure needs.

University of Baltimore

POSTED

DEADLINE

Grade for and construct a concrete slab(s), driveway(s), and parking lot(s) and prep for modular home(s) and tube steel building(s)

Solicitation # 2026-RFP-250

Smith County Emergency Services District No. 2 has issued Request for Proposals 2026-RFP-250 for the grading and construction of concrete infrastructure at two new fire stations: Dixie Station 71, located at 13830 Spur 364, and Winona Station 26, located at the intersection of Highway 155 North and Fannin Parkway. The scope of work includes site clearing, earthwork, and the construction of concrete driveways, parking lots, and slabs designed to support modular living quarters and temporary tube steel apparatus bays. While the District may award the projects individually or collectively, proposers may offer a discount for awarding both sites to a single contractor. Proposals are due electronically by December 10, 2026. The selection process is based on a weighted scoring system where cost accounts for 40 percent, approach and methodology 15 percent, experience 10 percent, past work with the design team 10 percent, and references 5 percent, with additional points available for local office proximity and timeline alignment. Technical requirements include adherence to specific geotechnical reports, ADA compliance for parking, and the use of AIA documents for invoicing. Contractors must maintain Workman's Compensation Insurance and provide performance and payment bonds for proposals exceeding 25,000 dollars. The contract also mandates compliance with various Texas Government Code affirmations, including Buy Texas, cybersecurity training, and E-Verify requirements.

Support Services > Facilities

POSTED

DEADLINE

Combination-Type Concrete Retaining WallsThis subcontract opportunity involves the construction of combination-type concrete retaining walls for prime contractors working on street rehabilitation projects for the City of San Antonio in Texas. The scope of work focuses on performing structural concrete work using combination-type methods to build and deliver completed retaining walls. The project is categorized under NAICS code 238110. Interested parties must note that the solicitation was posted on November 6, 2026, with a response deadline set for December 11, 2026.

POSTED

DEADLINE

Concrete Curbs, Sidewalks, and DrivewaysThis subcontract involves the installation of concrete curbs, sidewalks, driveways, and curb ramps for prime contractors working on street rehabilitation projects for the City of San Antonio. The scope of work includes pouring and finishing concrete and ensuring that all curb ramps are fully ADA-compliant. The opportunity is categorized under NAICS code 238110 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 11, 2026.

CITY OF SAN ANTONIO

POSTED

about 11 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract for Marine Concrete Construction is issued by the San Diego Unified Port District for projects located in San Diego, California. The selected contractor will be responsible for supplying and placing cast-in-place marine concrete for prime contractors, which includes the mixing, placing, consolidating, finishing, and curing of concrete specifically within a marine environment. Additional requirements include the installation of moisture-retaining membranes and the delivery of completed marine concrete structures. The opportunity is categorized under NAICS code 238110 and was posted on August 5, 2026. Interested parties must submit their responses by the deadline of September 9, 2026.

General Info

San Diego Unified Port District subcontract for marine concrete construction due September 9, 2026.

Agency

California → San Diego Unified Port District

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

San Diego, CA, 92101, USA

Set-Aside

NONE

Documents

This scope was carved out of 2025-35.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

West Elevator Improvements At B Street Cruise Ship Terminal

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 5

subcontract

Response DeadlineSep 9

Deadline has passed

Submission Closed

09/09/2026, 02:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → San Diego Unified Port District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → San Diego Unified Port District

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies and places cast-in-place marine concrete for prime contractors on District projects. Performs mixing, placing, consolidating, finishing, and curing of concrete in a marine environment. Installs moisture-retaining membranes. Delivers completed marine concrete structures.