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Where to bid in Colorado

Colorado's state agencies post their bids on Colorado Vendor Self Service (ColoradoVSS). Counties and cities run their own bid pages: 62 counties and 47 cities are listed below, largest first.

State of Colorado

Colorado Vendor Self Service (ColoradoVSS)

Bid page checked, 2026-11-05.

Counties

NameBid pagePlatformPeople
El Paso Countyofficial site only–744,215
Arapahoe Countyofficial site only–656,061
Jefferson CountyProcurementBidNet Direct576,366
Adams Countyofficial site only–533,365
Douglas Countyofficial site only–383,906
Larimer Countyofficial site only–370,771
Weld CountyOpen bidsBidNet Direct359,442
Boulder Countyofficial site only–326,831
Pueblo CountyPurchasing–169,422
Mesa Countyofficial site only–159,681
Garfield CountyOpen bidsBidNet Direct62,707
La Plata CountyLa Plata County Procurement Division–56,407
Eagle CountyOpen bids–54,381
Fremont CountyBid Request Portal–50,318
Montrose CountyOpen bids–44,156
Delta Countyofficial site only–31,746
Summit CountyOpen bids–30,465
Morgan Countyofficial site only–29,524
Elbert CountyOpen bids–28,806
Montezuma CountyOpen bidsBidNet Direct26,531
Routt CountyOpen bidsBidNet Direct25,064
Teller CountyOpen bids–24,617
Logan CountyOpen bids–20,619
Chaffee CountyOpen bidsBidNet Direct20,617
Otero Countyofficial site only–18,136
Park CountyOpen bids–18,117
Gunnison CountyOpen bids–17,321
Alamosa Countyofficial site only–16,655
Pitkin CountyOpen bids–16,640
Grand CountyOpen bids–15,935
Las Animas Countyofficial site only–14,348
Archuleta CountyBids & Proposals – Archuleta CountyTyler Munis self service14,189
Moffat Countyofficial site only–13,327
Prowers Countyofficial site only–11,751
Rio Grande Countyofficial site only–11,188
Yuma Countyofficial site only–9,862
Clear Creek CountyOpen bidsBidNet Direct9,147
San Miguel CountyOpen bids–7,868
Conejos Countyofficial site only–7,521
Lake CountyOpen bidsTyler Munis self service7,365
Huerfano CountyProcurement–7,055
Kit Carson Countyofficial site only–6,994
Saguache Countyofficial site only–6,688
Rio Blanco CountyOpen bidsBidNet Direct6,569
Gilpin Countyofficial site only–5,926
Bent Countyofficial site only–5,681
Crowley Countyofficial site only–5,636
Custer Countyofficial site only–5,534
Lincoln Countyofficial site only–5,480
Ouray Countyofficial site only–5,176
Washington Countyofficial site only–4,855
Phillips Countyofficial site only–4,476
Costilla Countyofficial site only–3,628
Baca Countyofficial site only–3,344
Dolores Countyofficial site only–2,513
Sedgwick Countyofficial site only–2,299
Cheyenne Countyofficial site only–1,727
Kiowa Countyofficial site only–1,384
Jackson Countyofficial site only–1,309
Mineral Countyofficial site only–944
San Juan Countyofficial site only–802
Hinsdale Countyofficial site only–765

Cities

NameBid pagePlatformPeople
DenverBidding Opportunities - Current–716,577
Colorado SpringsOpen bidsBidNet Direct488,664
Auroraofficial site only–395,052
Fort CollinsOpen bidsBidNet Direct170,376
LakewoodOpen bidsBidNet Direct155,961
ThorntonOpen bids–144,922
Arvadaofficial site only–121,414
WestminsterOpen bids–114,875
GreeleyOpen bidsBidNet Direct112,609
PuebloOpen bids–111,077
CentennialProcurement – City of Centennial–106,883
Boulderofficial site only–105,898
Longmontofficial site only–98,630
Castle Rockofficial site only–81,415
Lovelandofficial site only–79,352
BroomfieldOpen bids–76,860
Commerce Cityofficial site only–68,245
ParkerOpen bidsBidNet Direct62,743
LittletonProcurementBidNet Direct44,451
BrightonOpen bidsBidNet Direct42,477
Windsorofficial site only–40,349
NorthglennOpen bids–38,164
ErieOpen bidsBidNet Direct35,269
Englewoodofficial site only–34,275
Wheat Ridgeofficial site only–31,804
Lafayetteofficial site only–30,439
Fountainofficial site only–28,489
Evansofficial site only–22,326
MontroseOpen bids–21,333
LouisvilleOpen bidsBidNet Direct20,390
GoldenOpen bidsOpenGov Procurement20,242
DurangoOpen bids–19,534
JohnstownOpen bids–19,511
FrederickOpen bids–17,676
Castle Pinesofficial site only–14,747
Lone Treeofficial site only–14,063
Federal Heightsofficial site only–13,943
FruitaOpen bids–13,816
Steamboat SpringsOpen bidsBidNet Direct13,508
SuperiorBids, RFPs, RFQs–13,361
Berthoudofficial site only–13,238
SterlingOpen bidsBidNet Direct12,954
WellingtonOpen bidsBidNet Direct12,078
Fort MorganOpen bids–11,564
Severanceofficial site only–10,820
Rifleofficial site only–10,563
Glenwood Springsofficial site only–10,250

Federal work in Colorado: open federal notices · federal money by county and agency · state and local bids in SpendQuery

Every county with a county government and the cities and towns of 10,000+ (Census 2023 estimates). A place missing, or a wrong link?

All states