This Subcontract opportunity from California was posted on March 25, 2024. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Roofing and Waterproofing Services

Closed

State & Local

Submission Closed04/10/2024, 05:00:00 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: 238160

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Exterior Envelope and RoofingThis subcontract for the University of Washington involves the installation of the exterior envelope and roofing for a new 7,200 square foot student center. The selected contractor will be responsible for installing roofing membranes, exterior cladding, and flashing to provide a fully warranted and weather-tight building seal. The solicitation was posted on November 5, 2026, with a response deadline of December 4, 2026. This project falls under NAICS code 238160 and requires the subcontractor to work under prime contractors to deliver a completed building envelope.

University of Washington

POSTED

DEADLINE

Roofing and WaterproofingThis subcontract opportunity with the El Segundo Unified School District involves the installation of roofing and waterproofing systems for public works projects in El Segundo, California. The selected contractor will be responsible for performing roof replacements and ensuring moisture protection to deliver a fully watertight roof assembly while working under prime contractors. Eligible bidders must possess a valid Contractor's License and a DIR Contractor Registration. The solicitation was posted on November 5, 2026, and requires responses to be submitted by the deadline of March 5, 2027.

El Segundo Unified School District

POSTED

DEADLINE

Sheet Metal Flashing and Trim Fabrication and InstallationThis subcontract involves the fabrication and installation of sheet metal flashing, coping, and trim for prime contractors working on Alameda County facility projects in Hayward, California. The scope of work includes the installation of metal edge systems, counterflashing, parapet coping caps, and metal ladders utilizing stainless or galvanized steel, as well as the application of sheet membrane waterproofing at closure flanges. All work must be performed in accordance with SMACNA and NRCA manuals. The project is managed by the Alameda County General Services Agency Building Maintenance Department under NAICS code 238160. The solicitation was posted on November 5, 2026, with a response deadline of December 17, 2026.

Alameda County General Services Agency-Building Maintenance Department

POSTED

DEADLINE

Roof Insulation and Cover Board InstallationThis subcontract opportunity is for the installation of roof insulation and cover board systems on Alameda County facility projects in Hayward, California. The selected contractor will work under prime contractors to mechanically fasten R-10 polyiso insulation and DensDeck Prime, apply insulation adhesive using staggered joints, and install spray foam insulation around conduits. Additionally, the scope of work includes providing crickets to ensure positive drainage across the installed system. The project is managed by the Alameda County General Services Agency Building Maintenance Department under NAICS code 238160. The solicitation was posted on November 5, 2026, and requires a response by the deadline of December 17, 2026.

Alameda County General Services Agency-Building Maintenance Department

POSTED

DEADLINE

Standing Seam Metal Roofing InstallationThis subcontract opportunity is for the installation of standing seam metal roofing systems on facility projects for the Alameda County General Services Agency Building Maintenance Department in Hayward, California. The selected contractor will be responsible for installing aluminum-zinc or zinc-aluminum alloy coated steel sheet panels and accessories, ensuring the completed system meets Factory Mutual 1-90 wind uplift specifications and ASTM E 1592 structural performance standards. The solicitation was posted on November 5, 2026, with a response deadline of December 17, 2026. This project falls under NAICS code 238160 and requires the delivery of a fully completed roofing system that adheres to all specified technical and structural requirements.

Alameda County General Services Agency-Building Maintenance Department

POSTED

DEADLINE

Modified Bituminous Membrane Roofing InstallationThis subcontract opportunity with the Alameda County General Services Agency Building Maintenance Department involves the installation of Cold Applied 2-Ply Solvent Free Asphalt Roofing systems for facility projects in Hayward, California. The scope of work includes the removal of existing solar panels, roofing, coping, and canopies, as well as snaking and testing drains. The selected contractor will be responsible for delivering a watertight modified bitumen roofing system, including membranes and flashings, in strict accordance with NRCA and ARMA manuals. To qualify for this project, applicants must hold Certified Authorized Applicator status and possess a minimum of five years of relevant experience. Interested parties must submit their responses by the deadline of December 17, 2026. This project falls under NAICS code 238160 and is designed to support prime contractors managing county facility improvements.

Alameda County General Services Agency-Building Maintenance Department

POSTED

DEADLINE

224 W. Winton Building Roof Replacement

Solicitation # 902811

The Alameda County General Services Agency Building Maintenance Department is soliciting bids for the Phase 2 roof replacement of the Winton Building located at 224 W Winton Ave, Hayward, California. This stipulated sum, single-prime contract requires the contractor to provide all labor, materials, and equipment to install a complete roofing system, including standing seam metal roof panels, ANSI-SPRI ES-1 edge metal, and various coatings and membranes. The basis of design is Garland Company, Inc., and all components must be sourced from a single manufacturer covered by a sole source warranty. The project mandates strict adherence to NRCA Roofing and Waterproofing Manual standards, Cal/OSHA Title 8 safety regulations, and ASTM fire and material specifications. Bidders must submit sealed proposals via the County of Alameda Procurement Portal by 2:00 pm on December 17, 2026. Evaluation is based on responsiveness, qualifications, and financial ability, with the County reserving the right to reject bids that are unbalanced or non-responsive. Required submissions include a bid bond of at least ten percent, a non-collusion affidavit, and certifications for workers' compensation, hazardous materials, and prevailing wage compliance. Awarded contractors must provide 100% performance and payment bonds and implement a comprehensive site logistics and security plan, specifically addressing tool control and working around inmates. Performance is subject to manufacturer field inspections three times per week and strict adherence to normal work hours from 6:00 AM to 5:00 PM, Monday through Friday.

Alameda County General Services Agency-Building Maintenance Department

POSTED

DEADLINE

Roofing ServicesThis subcontract for Roofing Services involves the installation and repair of roofing systems for K-12 school facilities within the William S. Hart Union High School District in Santa Clarita, California. The selected provider will work under prime contractors to deliver fully warranted roofing systems, ensuring all work meets the specific needs of public works projects. To be eligible, contractors must hold a valid California Contractor’s license and maintain current registration with the California Department of Industrial Relations. The contract strictly mandates adherence to California apprenticeship laws and the payment of prevailing wages. Interested parties must submit their responses by January 13, 2027.

William S. Hart Union High School District

POSTED

DEADLINE

RF Roof Replacement Project

Solicitation # RFP27-005JR

The Princeton Plasma Physics Laboratory (PPPL) is soliciting proposals under RFP 27-005JR for the RF Roof Replacement Project in Princeton, New Jersey. The project involves the removal and replacement of existing built-up roofs on the C40 RF Building and C41 CS Building, which have exceeded their useful life and are experiencing severe water infiltration and structural separation. The awarded contractor must provide all labor, materials, equipment, and supervision necessary to complete the installation. This is a full and open competition under NAICS 238160, with a notice-to-proceed date of January 5, 2027. Proposals are due by December 10, 2026, and must include a bid bond or certified check for at least 20 percent of the total proposed price. Award will be based on the Lowest-Price Technically Acceptable (LPTA) standard, evaluating responsiveness, technical capability, and responsibility. Key evaluation factors include the experience of project management staffing, a proven safety record with an average EMR of 1.00 or less, and the successful completion of at least two similar projects within the last ten years. The contract is a firm-fixed-price subcontract requiring performance and payment bonds equal to 100 percent of the contract price within ten days of award. Additionally, the project must comply with the Construction Wage Rate Requirements Statute, requiring weekly certified payroll reports and adherence to US Department of Labor wage determinations. Contractors must also follow strict site safety protocols, including the development of Integrated Safety Management Plans and Job Hazard Analyses.

Princeton Labor - DOE Contractor

POSTED

DEADLINE

Flashings and Sheet MetalworkThis subcontract for Flashings and Sheet Metalwork involves the installation of prefabricated counterflashing and sheet metal components for prime contractors working on San Mateo County Community College District facility projects. The scope of work specifically requires the installation of prefabricated counterflashing assemblies and the repair of damaged galvanized surfaces using zinc-based solder in accordance with ASTM A 780 standards to ensure all installations are weathertight. The project is located in San Mateo, California, and falls under NAICS code 238160. Interested parties must submit their responses by the deadline of January 7, 2027.

San Mateo County Community College District

POSTED

DEADLINE

Roofing & WaterproofingThe City of Rosemead is seeking a subcontractor for a roofing and waterproofing project at the City Hall facility. The scope of work involves replacing 260 square feet of removed roofing over the elevator area to restore the building envelope. The selected contractor must utilize manufacturer-certified installation methods to ensure a watertight seal and deliver a fully completed, warranted roof enclosure. This subcontract opportunity is categorized under NAICS code 238160 and will be performed in Rosemead, California. Interested parties must submit their responses by the deadline of December 16, 2026.

POSTED

DEADLINE

Commercial Roofing InstallationThis commercial roofing installation subcontract involves performing roof removal and installation for prime contractors on Iowa Department of Personnel/Administrative Services facility projects located at Camp Dodge. The scope of work includes tearing off existing insulation and membranes, installing new flashing and roofing membranes according to project specifications, and ensuring the final delivery of a completely watertight roof system. The project is categorized under NAICS code 238160 and requires strict adherence to Build America, Buy America (BABA) requirements. Interested parties must submit their responses by the deadline of November 24, 2026.

Iowa

POSTED

about 16 hours ago

DEADLINE

in 19 days

AI Contract Overview

This subcontract for Roofing and Waterproofing Services is issued by the California Department of Fish and Wildlife. The scope of work involves the professional installation of roofing membranes, flashing, insulation, and various related waterproofing systems to ensure structural integrity and moisture protection. The opportunity was posted on March 25, 2024, with a response deadline of April 11, 2024. Classified under NAICS code 238160, this project focuses on specialized roofing activities to maintain and protect agency facilities.