This Government Contract opportunity from California was posted on March 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Water Line Connection and Trenching

Closed

State & Local

Submission Closed03/31/2026, 09:30:00 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: 237117

Federal

Water Service Line InstallationThe contract is for the excavation, trenching, and installation of a water service line connecting the main water supply to a designated site, encompassing all necessary associated work including backfilling, compaction, pressure testing, and site restoration to meet required standards. The project is classified under NAICS code 237117 and is structured as a subcontract under a Total Small Business Set-Aside, restricted exclusively to small businesses as defined by the SBA. The work is to be performed in Mayetta, Kansas, with a ZIP code of 66509, and the contracting agency is the Indian Health Service within the Department of Health and Human Services. The solicitation was posted on July 7, 2026, and while no specific solicitation number is provided, the official opportunity can be accessed through the SAM.gov platform.

Indian Health Service

POSTED

DEADLINE

Underground Utilities Relocation/AdjustmentThe contract is a small business set-aside subcontract for the adjustment, relocation, or removal of underground utilities affected by construction activities, specifically involving PREPA and PRASA infrastructure. It falls under NAICS code 237117, which corresponds to aboveground and underground utility system construction, and is designated as a total small business set-aside under FAR 19.5, ensuring exclusive eligibility for small businesses. The work is coordinated under the Eastern Federal Lands Division of the Department of Transportation, with no specific place of performance designated in the data provided. The posting date indicates this opportunity was made available in June 2026, and while the solicitation number is not listed, interested parties can access further details through the provided SAM.gov link for submission and compliance information.

693C73 Eastern Federal Lands Division

POSTED

DEADLINE

Utility Relocation ServicesThe contract pertains to the identification, temporary relocation, and protection of underground utilities such as water, gas, and telecommunications lines that will be affected by the construction of a storm drain system in the 91710 zip code area. The work involves precise detection of utility locations, careful coordination to temporarily move these lines out of the construction zone, and implementing protective measures to ensure uninterrupted service and public safety throughout the project. This is a subcontract under NAICS code 237117, focused on storm and sewer line construction, with the San Bernardino County agency in California overseeing the project. The contract does not specify a solicitation number or set-aside type, and the point of contact information is not provided, but the scope centers entirely on safeguarding essential infrastructure during civil works activities.

San Bernardino County

POSTED

DEADLINE

Trenching and Underground Conduit InstallationThe contract involves excavation and trenching operations covering approximately 400 square feet of ground disturbance to install underground conduit for HCS cables and fiber jumpers. This work is part of a subcontract under the San Luis Obispo County agency, with performance specifically located in Paso Robles, California, at the zip code 93446. The project is classified under NAICS code 237117, which corresponds to other heavy and civil engineering construction, indicating specialized infrastructure work. The contract was posted on June 16, 2026, and the work must be carried out in accordance with applicable local, state, and federal standards for underground utility installation. There is no specified set-aside designation or solicitation number provided, and no point of contact is listed within the contract data. The project is accessible publicly through the California Environmental Quality Act network via the provided UI link.

San Luis Obispo County

POSTED

DEADLINE

Utility Trenching & Conduit InstallationThe contract involves excavation and installation of conduits for power and fiber lines to support new telecom equipment in Santa Maria, California, with a ZIP code of 93454. The work falls under NAICS code 237117, which classifies it as utility system construction, specifically focusing on underground infrastructure for telecommunications and electrical utilities. This is a subcontract solicitation posted on June 16, 2026, under the purview of San Luis Obispo County, California, indicating local government oversight for infrastructure development in the region. The place of performance is clearly defined as Santa Maria, and the project requires precise trenching and conduit installation to ensure reliable connectivity for emerging telecom services. While no solicitation number or point of contact is provided, the official project link directs stakeholders to the California Environmental Quality Act reporting system, suggesting environmental or regulatory compliance considerations are integral to the project’s execution. The subcontract nature implies coordination with a prime contractor or public agency, and no set-aside provisions are indicated, meaning the contract is open to all eligible bidders without preference for small, minority-owned, or other specialized businesses.

San Luis Obispo County

POSTED

DEADLINE

Water Line ReplacementThe contract involves excavating and replacing a damaged potable water supply line, which includes necessary trenching, installation of new piping, backfilling the trench, and performing pressure testing to ensure system integrity. It is classified as a subcontract opportunity and is designated as a Total Small Business Set-Aside under the Small Business Administration guidelines, specifically referencing FAR 19.5. The work falls under the NAICS code 237117, related to utility system construction. This opportunity is posted by the Department of Agriculture, specifically under the Csa Intermountain 8 Usda-fs agency, with a posting date of May 13, 2026. Although specific location details and points of contact are not provided, the contract scope clearly emphasizes maintaining potable water infrastructure to ensure safe and reliable water supply. This project prioritizes small businesses, fostering participation from entities that meet the SBA set-aside criteria.

Csa Intermountain 8 Usda-fs

POSTED

DEADLINE

Utility Potholing and Underground Utility VerificationThe City of Paradise in California is seeking a subcontractor for a utility potholing and underground utility verification project. The scope of work involves performing up to 100 utility potholing operations to expose and verify the exact location of underground utilities along proposed alignments. This subcontract falls under NAICS code 237117 and is centered in Paradise, California. The project was posted on April 17, 2026, and focuses on critical infrastructure verification to support upcoming development or construction alignments.

POSTED

DEADLINE

Trenching and Underground Electrical Conduit InstallationThe contract involves excavation, trenching, and the installation of electrical conduits specifically for gate systems at the Grand Junction Field Office facility. It includes all related activities such as backfilling the trenches and restoring the site to its original condition upon completion of the conduit installation. The scope ensures that the underground electrical infrastructure is properly installed to support gate operations. This subcontract is managed by the Department of the Interior's Colorado State Office and falls under the NAICS code 237117, which covers site preparation contractors. The work is planned to take place in Grand Junction, Colorado, within the 81506 zip code area. The contract was posted on April 16, 2026, and while specific solicitation details and point of contact information are not provided, the contract is accessible through the federal procurement system.

Colorado State Office

POSTED

DEADLINE

Trenching and Underground Conduit InstallationThis subcontract for Trenching and Underground Conduit Installation is issued by Caltrans, District 11 in San Diego. The project requires the excavation and installation of 6 inch by 110 foot by 30 inch conduit to establish connectivity between the CMS, controller cabinet, and various camera locations. The work is categorized under NAICS code 237117 and will be performed within the city of San Diego. The solicitation was posted on December 19, 2025, and is managed by the state of California.

Caltrans, District 11 - San Diego

POSTED

DEADLINE

Utility Relocation or CoordinationThe City of Santa Cruz is seeking a subcontractor for a project focused on the coordination and potential relocation of underground and above-ground utilities. This work is necessary to accommodate modifications being made to bike lanes within Santa Cruz, California, specifically in the 95062 zip code area. Classified under NAICS code 237117, the contract involves managing utility infrastructure that may conflict with the planned bike lane improvements. The solicitation was posted on December 15, 2025, and is managed by the City of Santa Cruz in California.

POSTED

DEADLINE

Greenhouse Gas (GHG) Emissions Compliance SupportThe City of Milpitas in California is seeking a subcontractor for Greenhouse Gas Emissions Compliance Support. This project focuses on reducing GHG emissions through the integration of renewable energy and the implementation of comprehensive reporting measures. A primary physical component of the contract involves the installation of solar panels on parking structures within Milpitas, California. Classified under NAICS code 237117, the contract emphasizes sustainable infrastructure and environmental compliance. The initiative is designed to help the city meet its emissions targets by transitioning to cleaner energy sources and ensuring accurate tracking of its carbon footprint.

POSTED

DEADLINE

Underground Trenching and Utility InstallationThis subcontract involves the installation of underground utilities through trenching services for the University of California, Los Angeles. The scope of work focuses on the physical installation of utility lines, requiring strict coordination and adherence to environmental compliance standards to ensure the project meets all regulatory requirements. The project is categorized under NAICS code 237110 and will be performed in the 90045 zip code area. Posted on November 24, 2025, the contract is managed by the state of California and is linked to specific environmental quality assessments for the site.

University of California, Los Angeles

POSTED

11 months ago

DEADLINE

N/A

AI Contract Overview

The contract involves excavation, connection of a new water line to an existing main, backfilling, and site restoration, encompassing all necessary labor, equipment, and permitting required to complete the work. The scope is focused on infrastructure improvements within San Bernardino, California, specifically at the 92415 zip code, with all activities centered around the proper installation and integration of a new water service line into the current utility network. The project requires adherence to local standards and regulations, including compliance with permitting processes and environmental restoration protocols after completion. This is a subcontract opportunity posted on March 3, 2026, with a response deadline of March 31, 2026, at 9:30 PM local time. The NAICS code 237117 classifies the work under Water and Sewer Line and Related Structures Construction, indicating it is a specialized civil construction effort. The contract is administered by the California agency under the name Administration, and all performance must occur at the designated location in San Bernardino. Interested parties must submit proposals prior to the deadline to be considered for award, and all work must be executed in compliance with local and state requirements.