RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Polk County, Iowa

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

StatusTitleBuyerDue Date
OpenAdvanced Placement U.S. History

Des Moines Public Schools is seeking proposals for an Advanced Placement U.S. History offering; detailed requirements are available in the solicitation documents.

Des Moines, IA, USA•Request for Proposal (RFP)
Des Moines Independent Community School District11/19/2026
OpenPool Liquid Chlorine Feed and Storage System

The City of Des Moines Park and Recreation Department is seeking quotes for an annual agreement to provide liquid chlorine feed and storage systems for pools.

Des Moines, IA, USA•Request for Quote/Qualifications (RFQ)
City of Des Moines > Parks and Recreation Department12/2/2026
OpenMartin Luther King Jr. Parkway Lane Modifications

The City of Des Moines is seeking a contractor to modify Martin Luther King Jr. Parkway, including roadway resurfacing, new sidewalks and driveways, pavement markings, and traffic signal work.

Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Des Moines > Engineering Department11/24/2026
OpenGovernmental Pension and 457(b) Plan Legal Services

Des Moines Water Works is seeking ongoing legal compliance monitoring and advisory services for its frozen governmental defined benefit pension plan and active IRC 457(b) deferred compensation plan.

Des Moines, IA, USA•Request for Quote/Qualifications (RFQ)
Des Moines Water Works11/6/2026
OpenResidential Property Repairs and Improvements

The City of Des Moines is seeking bids to establish standard rates for property improvement projects during the 2027 construction season, with individual projects quoted as work arises.

Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Des Moines > Neighborhood Services > Property Improvement Division11/17/2026
OpenPedestrian Crossing and Signal Improvements

The City of Des Moines is seeking a contractor to install pedestrian signals and beacons, school-zone flashers, concrete sidewalks and curbs, and pavement markings at multiple locations.

Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Des Moines > Engineering Department11/24/2026
OpenPool Liquid Chlorine Feed and Storage Systems

The City of Des Moines is seeking quotes for installation, maintenance, and weekly chemical delivery for liquid chlorine storage and feed systems at five pools.

Des Moines, IA, USA•Request for Quote/Qualifications (RFQ)
City of Des Moines > Parks and Recreation Department > Aquatics Division12/2/2026
OpenStreetscape Landscape and Planter Maintenance

The City of Des Moines is seeking annual landscape, planter, and bioswale maintenance at multiple city locations, including seasonal plantings, watering, weeding, and related upkeep.

Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Des Moines12/2/2026
OpenLarge-Diameter Sanitary Sewer Trunk Construction

The City of Des Moines is seeking a contractor to construct a large-diameter sanitary sewer trunk and perform associated storm sewer, water main, roadway, and site restoration work across several Iowa cities.

Polk County, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Des Moines12/1/2026
OpenOld Town Water Tower Rehabilitation

The City of Altoona is seeking a contractor to rehabilitate its Old Town water tower, including lead-based paint removal, recoating, and access and safety improvements.

Altoona, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Altoona11/10/2026
OpenWater Service Line Material Verification and Restoration

Des Moines Water Works is seeking a contractor to locate, expose, identify, document, backfill, and restore existing water service lines at 1,036 authorized addresses in Des Moines.

Des Moines, IA, USA•Request for Proposal (RFP)
Des Moines Water Works12/1/2026
OpenFourmile Creek Greenway Timber Stand Improvement

Polk County Conservation Board is seeking a contractor to perform timber stand improvement on 76 acres in the Fourmile Creek Greenway, including tree felling, girdling, herbicide application, and piling of cut material.

Fourmile Creek Greenway, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Story County > Story County Conservation Board11/9/2026
OpenNW 18th Street Reconstruction

The City of Ankeny is seeking a contractor to reconstruct NW 18th Street and part of NW State Street, including concrete paving, storm sewer and subdrain installation, and new traffic signals.

Ankeny, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Ankeny11/24/2026
OpenStreet and Utility Improvements

The City of Ankeny is seeking a contractor to replace street pavement, storm sewer, water main, and sanitary sewer, with related excavation, drainage, sidewalk, and traffic-control work.

Ankeny, IA, USA•Invitation for/to Bid (IFB/ITB)
City of Ankeny11/10/2026
OpenSynthetic Snow Sliding Surface System

Polk County Conservation Board is seeking a supplier to design, manufacture, deliver, and construct a complete synthetic snow sliding surface system for the Bunny Hill at Sleepy Hollow Sports Park.

4051 Dean Avenue, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Story County > Story County Conservation Board11/20/2026
OpenFixed-Grip Quad Chairlift System

Polk County Conservation Board is seeking a contractor to furnish and install a fixed-grip quad chairlift system at Sleepy Hollow Sports Park, including testing, commissioning, and training.

4051 Dean Avenue, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Story County > Story County Conservation Board11/20/2026
OpenSleepy Hollow Sports Park Snowmaking System

Polk County Conservation Board is seeking bids for the design, equipment, software, and support services required for a fully automated snowmaking system at Sleepy Hollow Sports Park.

4051 Dean Avenue, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Polk County11/20/2026
OpenPumped Wetland System Construction

Polk County is seeking bids to construct an approximately 10-acre pumped wetland system with two pools, a pump station, electrical service, piping, grading, and site restoration in Altoona, Iowa.

Terrace Hills Golf Course, Polk County, IA, USA•Invitation for/to Bid (IFB/ITB)
Polk County > Polk County Government11/24/2026
OpenScience of Reading Consulting

The Iowa Department of Education is seeking a literacy expert to develop guidance, tools, resources, and other supports for educators and families.

1305 East Walnut Street, Des Moines, IA, USA•Request for Proposal (RFP)
Iowa > Department of Administrative Services > Department of Education11/18/2026
Open2027 Nissan Sedans

The Iowa Department of Administrative Services is seeking dealership bids for 2027 Nissan Sentra and Altima sedans or equivalent, including vehicle options and delivery pricing.

1305 East Walnut Street, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Iowa > Department of Administrative Services > Fleet Services11/13/2026
OpenIowa GROWS Program Evaluation

The State of Iowa, through its Department of Administrative Services on behalf of the Iowa Department of Education, seeks an external evaluator to collect and analyze data and report on its State Personnel Development Grant program.

1305 East Walnut Street, Des Moines, IA, USA•Request for Proposal (RFP)
Iowa > Department of Administrative Services > Department of Education11/12/2026
OpenLaw Enforcement Aircraft Procurement and Integration

The Iowa Department of Public Safety, through the Iowa Department of Administrative Services, is seeking an aircraft for law enforcement operations under a master agreement that may allow additional purchases.

1305 East Walnut Street, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Iowa > Department of Administrative Services > Department of Public Safety > Aircraft Operations Division12/5/2026
Open2027 Compact and Mid-Size Sedans

Iowa Department of Administrative Services Fleet Services is seeking bids from dealerships for 2027 compact and mid-size Nissan sedans or equivalent, delivered to its fleet facility in Des Moines.

510 East 12th Street, Des Moines, IA, USA•Invitation for/to Bid (IFB/ITB)
Iowa > Department of Administrative Services > Fleet Services11/9/2026
OpenHeating and Cooling System Design Services

The State of Iowa Department of Administrative Services is seeking professional design services to replace two heating and cooling units and associated controls at a state correctional institution building.

420 Mill Street SW, Mitchellville, IA, USA•Request for Proposal (RFP)
Iowa11/18/2026
OpenFinite Mathematics Curriculum Adoption

Des Moines Public Schools is seeking proposals for high-quality instructional materials for finite mathematics.

1915 Prospect Road, Des Moines, IA, USA•Request for Proposal (RFP)
Des Moines Independent Community School District11/16/2026
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