RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Portsmouth, New Hampshire

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in Portsmouth, New Hampshire on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across Portsmouth, New Hampshire, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenCivil Legal Services

Rockingham County is seeking legal counsel for civil matters, including litigation, regulatory compliance, labor and employment law, contract review, and risk management for a two-year term with one optional extension year.

Rockingham County, NH, USARequest for Proposal (RFP)
Rockingham County > Commissioners' Office10/14/2026
OpenOn-Call Marine Engineering and Architectural Services

The Pease Development Authority is seeking qualified firms for on-call marine engineering and architectural services supporting Division of Ports and Harbors facilities, including design, permitting, construction administration, and related maritime infrastructure work.

New Hampshire, USARequest for Quote/Qualifications (RFQ)
New Hampshire > Pease Development Authority > Division of Ports and Harbors9/22/2026
OpenCivil Legal Services

Rockingham County is seeking a law firm to provide comprehensive civil legal services, including counsel, litigation, regulatory compliance, labor and employment law, contract review, and risk management for a two-year term with one optional extension year.

Rockingham County, NH, USARequest for Proposal (RFP)
Rockingham County10/14/2026
OpenSeacoast Greenway Trailheads Design and Engineering

The City of Portsmouth is seeking an engineering and design consultant to develop two New Hampshire Seacoast Greenway trailheads, including surveying, environmental permitting, final construction documents, bid analysis, and optional construction inspection.

Portsmouth, NH, USARequest for Proposal (RFP)
City of Portsmouth10/19/2026
OpenInmate Personal Care Items

Rockingham County is requesting proposals for inmate personal care items.

Rockingham County, NH, USARequest for Proposal (RFP)
Rockingham County10/21/2026
OpenSNAP Error Rate Reduction Solutions

The New Hampshire Department of Health and Human Services is seeking information on products, tools, training, services, and methodologies that can reduce Supplemental Nutrition Assistance Program error rates.

New Hampshire, USARequest for Information (RFI)
North Carolina > Department of Health and Human Services10/1/2026
OpenCivil Legal Services

Rockingham County is seeking legal services for civil matters under an RFP, with proposals due October 14, 2026, and opening October 15, 2026.

Rockingham County, NH, USARequest for Proposal (RFP)
Rockingham County10/14/2026
OpenWitchtrot Landfill Solar Photovoltaic Project

The Town of York, Maine, is seeking information and qualifications for a solar photovoltaic project at the Witchtrot Landfill Superfund site to generate clean renewable electricity.

York, ME, USARequest for Information (RFI)
Municipality of York12/1/2026
OpenOcean Avenue Extension Seawall Replacement

The Town of York is seeking a contractor to demolish and replace approximately 344 linear feet of Ocean Avenue Extension seawall, reconstruct access stairs, install reinforced concrete footings and railings, and complete related site restoration.

York, ME, USAInvitation for/to Bid (IFB/ITB)
Municipality of York9/29/2026
OpenSnow Plowing and Ice Control Services

The Town of York, Maine, is requesting sealed bids for snow plowing and ice control services at municipal parking lots and business districts.

York, ME, USARequest for Quote/Qualifications (RFQ)
Municipality of York > Public Works Department9/29/2026
OpenSWCS Battery Set

The United States of America is seeking 12 battery sets with a complete technical data package for delivery to Portsmouth Naval Shipyard.

Kittery, ME, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)10/9/2026
OpenManufacture of 8-Inch Pipe

The Department of the Navy is seeking a small business to manufacture 2,244 inches of 8-inch Schedule 40 pipe to MIL-DTL-32386, with delivery to Kittery, Maine.

Kittery, ME, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/24/2026
OpenTailpiece Union Assemblies for Naval Shipboard System

The United States Navy is seeking four straight tailpiece assemblies for shipboard use, with stringent quality, testing, and certification requirements.

Portsmouth, NH, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/25/2026
OpenHanover Garage Public Art Commission

The City of Portsmouth is seeking an artist or artist team to design, fabricate, and install an original public artwork for the Hanover Street Garage, with a maximum project budget of $60,000.

Hanover Street Parking Garage, Portsmouth, NH, USARequest for Proposal (RFP)
City of Portsmouth > Department of Public Works10/9/2026
OpenElectrical Connector Covers

The Defense Logistics Agency is requesting quotations for five electrical connector covers, NSN 5935-01-592-4300, for delivery to Portsmouth Naval Shipyard in Kittery, Maine.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY9/21/2026
OpenSleeve Bushings

The Defense Logistics Agency is requesting a quote for two sleeve bushings, NSN 3120-01-285-7688, for delivery to Portsmouth Naval Shipyard.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION (ASC COMMODITIES DIVISION)9/21/2026
OpenNSN 4820-01-736-4809 Valve Body

The Defense Logistics Agency is requesting one valve body identified by NSN 4820-01-736-4809 for delivery to Portsmouth Naval Shipyard.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (MARITIME SUPPLY CHAIN ESOC BUYS)9/25/2026
OpenShouldered Screws, Part Number 180346

The U.S. Navy is seeking shouldered screws manufactured to Marotta Drawing 233029, Item 12, Part Number 180346, with extensive material testing, traceability, and quality-certification requirements.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/21/2026
OpenPort Adapter Housing for Shipboard System

The United States Navy is seeking a contractor to manufacture and supply nine Port Adapters, part number S2C10387-3EA, for a crucial shipboard system with stringent quality, testing, traceability, and certification requirements.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Proposal (RFP)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)10/1/2026
OpenMetal Seal Ring

The Defense Logistics Agency is requesting one metal seal ring, NSN 5330-01-351-7196, for delivery to Portsmouth Naval Shipyard.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (LAND SUPPLIER OPNS VEHICLE SPT)9/25/2026
Open1-Inch, 1,500-PSI Fluid Restrictor Unit

The United States Navy is seeking a contractor to supply a 1-inch NPS, 1,500-PSI restrictor unit for use in a crucial shipboard system, with stringent quality, traceability, testing, and certification requirements.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/29/2026
OpenNonmetal Hose Assemblies

The Defense Logistics Agency is requesting a quote for five nonmetal hose assemblies, NSN 4720-01-626-0409, for delivery to Portsmouth Naval Shipyard.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA LAND AND MARITIME (MARITIME SUPPLY CHAIN ESOC BUYS)9/28/2026
OpenStem and Fluid Valve Assembly

The United States Navy is seeking a contractor to manufacture and supply a stem assembly for a 6-inch ball valve, including stem, retaining nut, and bushing, for use in critical shipboard systems.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/25/2026
OpenLevel 1 Threaded Rods

The Defense Logistics Agency is seeking quotations from small businesses to manufacture Level 1 threaded rods for Portsmouth Naval Shipyard.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA MARITIME - PORTSMOUTH (CONTRACTING DIVISION [DLA-KME])9/20/2026
OpenPipe Elbow Procurement

The United States Navy is seeking two pipe elbows, NSN 4730-01-016-6358, with specific packaging, marking, quality assurance, and technical documentation requirements for naval nuclear propulsion applications.

Portsmouth Naval Shipyard, Kittery, ME, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT MECH (NAVSUP WSS MECHANICSBURG)9/26/2026
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