RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Littleton, Colorado

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

StatusTitleBuyerDue Date
Open60kW Diesel Standby Generator Set and Startup Services

The U.S. Army Corps of Engineers is seeking one 60kW stationary diesel standby generator set with delivery and startup services for the Tri-Lakes Project at Chatfield Dam in Colorado.

Littleton, CO, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W071 ENDIST OMAHA (KO CONTRACTING OFFICE)9/15/2026
OpenBow Mar Drive Water Line Replacement

Bow Mar Water & Sanitation District is seeking sealed bids for phased replacement of approximately 4,075 linear feet of water lines, fire hydrant assemblies, utility connections, asphalt, erosion controls, and site restoration in Littleton, Colorado.

Littleton, CO, USAInvitation for/to Bid (IFB/ITB)
Platte Canyon Water and Sanitation District9/22/2026
OpenBanking Services for South Suburban Park and Recreation District

South Suburban Park and Recreation District is seeking a qualified financial institution to provide primary banking services, including daily operational banking, limited merchant services, and treasury management capabilities.

Arapahoe County, CO, USARequest for Proposal (RFP)
South Suburban Parks and Recreation District9/14/2026
OpenWindow Replacement and Storm Window Services

Arapahoe County is seeking contractors to provide pricing and perform window replacement and storm-window services for its Weatherization Assistance Program in Arapahoe and Adams Counties from July 1, 2026, through June 30, 2027.

Arapahoe County, CO, USARequest for Proposal (RFP)
Arapahoe County > Finance Department > Purchasing Division10/8/2026
OpenEnterprise Resource Planning Replacement and Implementation

E-470 Public Highway Authority is seeking an integrated enterprise resource planning solution and implementation services covering finance, procurement, capital assets, billing, treasury, human resources, reporting, integrations, data conversion, training, and organizational change management.

Arapahoe County, CO, USARequest for Proposal (RFP)
E-470 Public Highway Authority9/30/2026
OpenJurassic Lot Improvements Construction Services

The City and County of Denver is seeking construction services for Jurassic Lot Improvements under Bid Package 2, with an 18% Minority and Women-Owned Business Enterprise participation requirement.

Denver, CO, USARequest for Proposal (RFP)Minority-Owned BusinessWoman-Owned Business
City and County of Denver > Office of Climate Action, Sustainability and Resiliency9/14/2026
OpenInstructional Leadership Training and School Diagnostic Reviews

Denver Public Schools is seeking expert partners to provide instructional leadership training, coaching, and up to five external diagnostic school reviews across K-12 schools.

Denver, CO, USARequest for Proposal (RFP)
Denver Public Schools > Food and Nutrition Services9/24/2026
OpenStaff Scheduling and Workforce Management Software

Denver Public Schools is seeking a centralized workforce management and staff scheduling software solution for equitable shift assignment, event staffing, notifications, tracking, analytics, implementation, and ongoing support.

Denver, CO, USARequest for Proposal (RFP)
Denver Public Schools9/17/2026
OpenSmall-Business Technical Assistance and Corridor Promotion

The City and County of Denver is seeking eligible governmental, educational, or nonprofit organizations to provide small-business technical assistance, mentoring, and related commercial-corridor promotion in designated Denver neighborhoods through CDBG funding of up to $1 million.

Denver, CO, USARequest for Proposal (RFP)
City and County of Denver > Department of Economic Development and Opportunity10/5/2026
OpenNEIC CRAC Replacement and Installation

The U.S. Geological Survey is requesting a small-business contractor to remove and replace a 35 kW (10-ton) Liebert computer room air conditioner at the GHSC Data Center, including crane-assisted installation, controls integration, testing, commissioning, and documentation.

Denver, CO, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > INTERIOR, DEPARTMENT OF THE > US GEOLOGICAL SURVEY > OFC OF ACQUISITION GRANTS-DENVER9/17/2026
OpenHeavy Mineral Separation Services

The U.S. Geological Survey is seeking heavy mineral separation services for rock and sediment samples, including electro-pulse disaggregation, mineral processing, reporting, and return of separated materials.

Denver, CO, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > INTERIOR, DEPARTMENT OF THE > US GEOLOGICAL SURVEY > OFC OF ACQUISITION GRANTS-DENVER9/18/2026
OpenDenver Immigrant Legal Services Fund Administration and Management

The City and County of Denver is seeking a qualified community foundation to administer and manage the Denver Immigrant Legal Services Fund, including grant oversight, reporting, and distribution of up to $2.25 million to nonprofit immigration legal service providers from 2027 through 2029.

Denver, CO, USARequest for Proposal (RFP)
City and County of Denver > Denver Human Services9/21/2026
OpenEnergize Denver Building Compliance Assistance

The City and County of Denver is seeking professional consultants to provide Energize Denver compliance assistance for equity priority buildings, including existing assistance for buildings of 25,000 square feet and larger and targeted electrification assistance for buildings of 5,000–24,999 square feet, with multiple contracts anticipated up to $6 million total.

Denver, CO, USARequest for Proposal (RFP)Minority-Owned Business
City and County of Denver > Office of Climate Action, Sustainability and Resiliency9/14/2026
OpenElement-XR ICP-MS Service Contract

The U.S. Geological Survey is seeking a small-business contractor to provide a one-year service plan, technical support, emergency repairs, and preventative maintenance for a Thermo Fisher Element-XR ICP-MS mass spectrometer and related peripherals.

Denver, CO, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > INTERIOR, DEPARTMENT OF THE > US GEOLOGICAL SURVEY > OFC OF ACQUISITION GRANTS-DENVER9/18/2026
OpenConduit No. 74 Relocation Design Services

Denver Water is seeking professional engineering design services to relocate approximately 300 linear feet of a 42-inch water transmission pipeline at East Smith Road and North Quebec Street in Denver, including design documents, cost estimates, traffic-control coordination, bidding support, and construction-phase engineering support.

Denver, CO, USARequest for Proposal (RFP)Minority-Owned Business
Denver Water10/9/2026
OpenInternal AI Agent Assistant Implementation

Denver Water is seeking proposals for professional services, software implementation, integration, configuration, training, and support to deploy an internal AI Agent Assistant integrated with Genesys and approved customer, operational, and knowledge systems.

Denver County, CO, USARequest for Proposal (RFP)Small BusinessMinority-Owned BusinessWoman-Owned Business
Denver Water9/30/2026
OpenClean Watershed Needs Survey Services

The Colorado Department of Public Health and Environment is seeking a contractor to survey statewide wastewater, stormwater, and non-point-source capital needs and enter the resulting data into the EPA Clean Watershed Needs Survey portal.

Denver County, CO, USARequest for Proposal (RFP)Service-Disabled Veteran-Owned Business
Colorado > Department of Public Health and Environment > Water Quality Control Division9/28/2026
OpenPCI Compliance Assessment and Penetration Testing Services

The City and County of Denver is seeking proposals for PCI compliance services, including Qualified Security Assessor assessments, penetration testing, remediation guidance, and related consulting for City payment environments excluding Denver International Airport.

Denver County, CO, USARequest for Proposal (RFP)
City and County of Denver > Department of General Services10/2/2026
OpenProfessional Parking Management for City Garages and Lots

The City and County of Denver is seeking professional management, operation, maintenance, enforcement, and revenue-control services for three parking garages and seven surface parking lots under an initial three-year agreement.

Denver County, CO, USARequest for Proposal (RFP)Minority-Owned Business
City and County of Denver10/6/2026
OpenStrong Sectors, Good Jobs Sector Partnership Grant

The Colorado Workforce Development Council is offering $276,000 in federal WIOA funding to support active Colorado sector partnerships addressing workforce and economic development needs.

Denver County, CO, USAGrantOther
Colorado > Department of Labor and Employment > Colorado Workforce Development Council9/23/2026
OpenCitywide Transport Natural Gas Supply

The City and County of Denver is seeking a contractor to supply and transport firm and interruptible natural gas, including scheduling, balancing, delivery, billing, and related reporting for City facilities under a five-year master purchase order.

Denver County, CO, USAInvitation for/to Bid (IFB/ITB)
City and County of Denver > Department of General Services10/5/2026
OpenSyringe Access and Harm Reduction Services

The City and County of Denver is seeking agencies to provide syringe access, harm reduction, overdose prevention, and referrals to healthcare, treatment, housing, and other social services for people who use drugs during a two-year program period.

Denver County, CO, USARequest for Proposal (RFP)
City and County of Denver > Department of Public Health and Environment > Community and Behavioral Health Division10/1/2026
OpenFire Alarm Testing and Inspection Services

Denver Public Schools is seeking qualified vendors to perform annual fire alarm testing, inspection, cleaning, and deficiency reporting across approximately 250 district buildings.

Denver County, CO, USARequest for Proposal (RFP)
Denver Public Schools > Food and Nutrition Services10/8/2026
OpenUS 287 Coal Creek Guardrail Replacement

The Colorado Department of Transportation is seeking a contractor to remove approximately 250 feet of substandard guardrail and install approximately 540 feet of MASH-compliant guardrail, including end anchorages, transitions, and traffic control, on southbound US 287 north of Coal Creek.

Denver County, CO, USARequest for Quote/Qualifications (RFQ)
Colorado > Department of Transportation9/17/2026
OpenOn-Call HVAC Repair, Installation, and Preventative Maintenance Services

The City of Englewood is seeking contractors for on-call HVAC repair, installation, and preventative maintenance services at municipal facilities throughout Englewood, Colorado.

Englewood, CO, USARequest for Proposal (RFP)
Englewood > City of Englewood10/6/2026
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