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OPEN BIDS · MARINE CONSTRUCTION & DREDGING · CO

Marine construction & dredging government contracts in Colorado

19 open federal notices for dredging, docks, piers and other marine construction in Colorado. Matched to NAICS 236220 Commercial and Institutional Building Construction, NAICS 238990 All Other Specialty Trade Contractors, NAICS 237990 Other Heavy and Civil Engineering Construction and to notices whose titles describe the same work. Each bid links to its official notice on SAM.gov. Updated twice a day.

13taking bids now
10set aside for small businesses
6due in the next 7 days
19open notices in Colorado

Due soonest

Z--Bradbury Dam Outlet Valve Replacement

3 days leftDue Oct 27, 2026, 3:00 PM ET
Departmental Offices
Buying office in Colorado
Taking bids now

Y--BLM-CO GAOA UFO MPLC WAREHOUSE IMPROVEMENT

6 days leftDue Oct 30, 2026, 2:00 PM ET
Bureau of Land Management
Montrose, Colorado
Taking bids nowSmall business set-aside

Z--ALPO STABILIZATION OF STAPLE BEND TUNNEL

6 days leftDue Oct 30, 2026, 6:00 PM ET
Departmental Offices
Buying office in Colorado
Taking bids nowSmall business set-aside

Y--GLCA Hite

6 days leftDue Oct 30, 2026, 7:00 PM ET
National Park Service
Buying office in Colorado
Taking bids nowSmall business set-aside

Y--GLCA 318882 Bullfrog

6 days leftDue Oct 30, 2026, 7:00 PM ET
National Park Service
Buying office in Colorado
Taking bids now

Industry Day: A Government-Industry Exchange on Construction Contracting - An Invitation for Industry Partners to Collaborate with the United States Space Force Operational Contracting Enterprise

7 days leftDue Oct 31, 2026, 6:30 PM ET
Department of the Air Force
Colorado Springs, Colorado
Announcement

B--GUSG HABITAT HYDRO-LOGIC RESTORATION 202

9 days leftDue Nov 2, 2026, 10:00 AM ET
Bureau of Land Management
Buying office in Colorado
Taking bids nowSmall business set-aside

Armed Forces Recruiting Building 25 Tenant Improvement and Renovation Project- Sources Sought Notice

12 days leftDue Nov 5, 2026, 4:00 PM ET
Public Buildings Service
Lakewood, Colorado
Market research

56--PGMB Security Gate

16 days leftDue Nov 9, 2026, 4:00 PM ET
Departmental Offices
Buying office in Colorado
Taking bids nowSmall business set-aside

Stove Prairie Campground Gate Replacement

18 days leftDue Nov 11, 2026, 2:00 PM ET
Forest Service
Bellvue, Colorado
Taking bids nowSmall business set-aside

Design-Build Services – STM Security Fencing - North Boundary

18 days leftDue Nov 11, 2026, 7:00 PM ET
Department of Energy
Golden, Colorado
Taking bids nowSmall business set-aside

Y--Timucuan Ecological and Historic Preserve TIMU-335

20 days leftDue Nov 13, 2026, 5:00 PM ET
National Park Service
Buying office in Colorado
Taking bids now

Denver, CO Denver P&DC Roof Replacement K95856

27 days leftDue Nov 20, 2026, 3:00 PM ET
Postal Service
Denver, Colorado
Taking bids now

Request for Proposal EFMO 224159/318539, Rehabilit

44 days leftDue Dec 7, 2026, 4:00 PM ET
Departmental Offices
Buying office in Colorado
Taking bids now

JELA 325250 335621 - Rehabilitate Cemetery

47 days leftDue Dec 10, 2026, 5:00 PM ET
Departmental Offices
Buying office in Colorado
Taking bids nowSmall business set-aside

Y--MRG LSARI PROJECT DESIGN-BUILD CONTRACT

No due date given
Departmental Offices
Buying office in Colorado
Announcement

Y--MRG LSARI PROJECT DESIGN-BUILD CONTRACT

No due date given
Departmental Offices
Buying office in Colorado
Announcement

W--YAO DREDGE CRANE SERVICE

No due date given
Departmental Offices
Buying office in Colorado
Coming soonSmall business set-aside

Y--LARO 258755 - Replace Dilapidated Docks and Fuel System, and Rehabilitate Parki

No due date given
National Park Service
Buying office in Colorado
Coming soonSmall business set-aside

Who buys marine construction & dredging

In fiscal year 2026, federal agencies obligated $53.53 billion for commercial and institutional building construction (NAICS 236220), $214.5 million of it in Colorado, across 17,392 awards. The biggest buyers: Department of Homeland Security ($31.82 billion), Department of Defense ($11.82 billion), Department of Veterans Affairs ($3.53 billion), General Services Administration ($2.15 billion). From USAspending.gov.

How to bid on marine construction & dredging contracts

To bid you need a free, active SAM.gov registration with NAICS 236220 listed, and for a set-aside, the status it names. Most marine construction & dredging work is bought by local contracting offices at bases, hospitals and federal buildings, so the place of work on each notice matters.

Open notices from SAM.gov's public file of active contract opportunities, updated twice a day (last Oct 24, 8:23 PM ET). Spending from USAspending.gov. UX Contract is independent and not a government website.