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The following are the results of bids received June, 2026 for public improvement projects which the Iowa Department of Natural Resources requires to be constructed. The results included below are the bids that were received timely. Consistent with the Specifications Manual, in the event of a discrepancy between a unit price, extensions or total amounts of bid, the unit price proposed by the bidder has been used to accurately calculate the total price based on the quantities identified in the project specifications.
NO DETERMINATION HAS BEEN MADE BY THIS PUBLICATION AS TO WHICH BID, IF ANY, IS THE LOWEST RESPONSIBLE, RESPONSIVE BID. THE DNR RESERVES THE RIGHT, AFTER REVIEW OF THE BIDS SUBMITTED, TO AWARD A CONTRACT FOR THE PROJECTS LISTED BELOW TO THE ENTITY SUBMITTING THE LOWEST RESPONSIBLE, RESPONSIVE BID OR TO REJECT ALL BIDS.
View Project Details for this Bid Letting
| ALLAMAKEE -- PROJECT # 25-03-03-01 6/18/2026 Large Project Letting
| YELLOW RIVER STATE FOREST
| | PAINT CREEK STREAMBANK IMPROVEMENTS - PHASE 2 | | | | BIDS RECEIVED: |
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Bacon Concrete, LLC
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$94,211.00 |
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DKW Tree Service LLC
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$95,112.00 |
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Matt Construction Inc
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$101,462.50 |
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Sommer Excavating LLC
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$104,920.52 |
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Top Grade Excavating Inc
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$107,427.60 |
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Ground Line Company LLC
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$110,762.40 |
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Szabo Construction Co Inc
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$128,208.00 |
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Rausch Construction, Inc
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$197,920.00 |
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| CASS -- PROJECT # 25-04-15-01 6/18/2026 Large Project Letting
| LAKE ANITA STATE PARK
| | SEWER IMPROVEMENTS | | | | BIDS RECEIVED: |
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Western Iowa Utilities Inc
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$331,352.00 |
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TK Concrete, Inc
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$450,300.00 |
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Joiner Construction Co Inc
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$464,340.00 |
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H Johnson Services LLC
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$497,130.00 |
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| DAVIS -- PROJECT # 26-05-26-01 6/18/2026 Large Project Letting
| LAKE WAPELLO STATE PARK
| | WASTEWATER IMPROVEMENTS | | | | BIDS RECEIVED: |
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Joiner Construction Co Inc
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$396,249.00 |
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Leffler Dirtworks LLC
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$413,653.00 |
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| DICKINSON -- PROJECT # 25-01-30-05 6/18/2026 Large Project Letting
| DICKINSON COUNTY WILDLIFE AREAS AND STATE PARKS
| | ROAD MAINTENANCE | | | | BIDS RECEIVED: |
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Beck Excavating, Inc
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$626,072.89 |
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Midwest Coatings Company Inc
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$864,606.34 |
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Blacktop Service Co
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$999,621.75 |
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| GUTHRIE -- PROJECT # 21-04-39-01 6/18/2026 Large Project Letting
| SPRINGBROOK EDUCATION CENTER
| | COMPLEX DEMOLITION | | | | BIDS RECEIVED: |
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Jason Roberts, LLC
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$149,152.00 |
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Gruss Construction
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$193,310.00 |
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Capital Demolition and Environmental Services LLC
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$238,000.00 |
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Hosier Worldwide, Inc
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$238,604.50 |
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Laubenthal Excavation
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$257,986.99 |
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Harmann Excavating
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$261,080.00 |
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TML Construction LLC
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$278,029.34 |
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Veit & Company, Inc
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$321,574.26 |
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4th Gen Anderson Construction LLC
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$368,079.60 |
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LinnCo, Inc
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$424,002.00 |
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| GUTHRIE -- PROJECT # 25-04-39-02 6/18/2026 Large Project Letting
| SPRINGBROOK STATE PARK
| | ACCESSIBILITY IMPROVEMENTS | | | | BIDS RECEIVED: |
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Jason Roberts, LLC
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$76,509.88 |
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Caliber Concrete LLC
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$92,963.52 |
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| JACKSON -- PROJECT # 25-06-49-05 6/18/2026 Large Project Letting
| GREEN ISLAND AND PRINCETON WMA
| | FLOOD REPAIR | | | | BIDS RECEIVED: |
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Boomerang Corp
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$3,562,894.43 |
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Top Grade Excavating Inc
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$3,625,619.56 |
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JNC Construction LLC
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$3,938,145.17 |
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Three Oaks Construction, Inc
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$4,122,952.50 |
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Connolly Construction Inc
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$4,150,969.31 |
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Jones Contractors & Associates LLC
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$4,187,891.60 |
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Peterson Contractors, Inc
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$4,196,054.80 |
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S2 Construction, LLC
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$4,241,127.70 |
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Legacy Corporation of IL
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$4,595,757.50 |
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Ihrig Works LLC
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$4,757,192.65 |
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Miller Trucking & Excavating
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$6,385,545.65 |
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| DICKINSON -- PROJECT # 26-01-30-01 6/11/2026 Small Project Letting
| GREAT LAKES WILDLIFE UNIT
| | HODGE WPA WETLAND RESTORATION | | | | BIDS RECEIVED: |
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John Healy dba Healy Excavating
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$59,945.50 |
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Laubenthal Excavation
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$61,977.20 |
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Midwest Concrete & Excavating
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$63,560.00 |
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Carney Drainage & Excavating
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$73,639.50 |
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Diamond Concrete & Construction Inc
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$74,364.58 |
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Bedrock Gravel, Inc
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$84,300.00 |
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Flewelling Earthmoving Inc
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$96,211.10 |
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| GREENE -- PROJECT # 25-02-37-01 6/11/2026 Small Project Letting
| DUNBAR SLOUGH WMA
| | SHEET PILE WCS REPLACEMENT | | | | BIDS RECEIVED: |
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Laubenthal Excavation
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$28,196.52 |
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KE Builders LLC
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$75,620.00 |
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| BUCHANAN -- PROJECT # 23-03-10-02 6/25/2026 Small Project Letting
| CEDAR ROCK STATE PARK
| | ROAD MAINTENANCE REBID | | | | BIDS RECEIVED: |
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Top Grade Excavating Inc
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$25,986.80 |
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Skyline Construction, Inc
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$27,560.55 |
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DKW Tree Service LLC
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$27,879.00 |
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Matt Construction Inc
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$33,854.70 |
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Ground Line Company LLC
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$33,983.80 |
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| KEOKUK -- PROJECT # 26-05-54-01 6/25/2026 Small Project Letting
| SUGEMA WILDLIFE UNIT
| | SKUNK RIVER RIPRAP PROJECTS | | | | BIDS RECEIVED: |
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Morris Earthworks and Land Clearing, LLC
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$61,249.00 |
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Cole Construction Co, Inc
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$67,094.30 |
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TK Concrete, Inc
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$73,526.00 |
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Holder Excavating LLC
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$75,454.40 |
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DKW Tree Service LLC
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$77,132.50 |
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VK Excavation
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$78,023.00 |
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Heritage Land Solutions
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$80,053.00 |
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Gibson Excavating & Sanitation LLC
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$83,274.50 |
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Joiner Construction Co Inc
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$83,438.00 |
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DeLong Construction, Inc
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$83,792.00 |
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JNC Construction LLC
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$90,326.80 |
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Nail Excavating LLC
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$93,210.30 |
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Steele Excavating Inc
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$99,723.00 |
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Jones Contractors & Associates LLC
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$133,793.95 |
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High Plains Structural Group
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$149,952.00 |
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Lejas Corporation
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$196,707.80 |
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| MADISON -- PROJECT # 26-04-61-02 6/25/2026 Small Project Letting
| PAMMEL STATE PARK
| | HARMON TUNNEL HIGHWALL (BLUFF) SCALING | | | | BIDS RECEIVED: |
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Rockstars Slope Stabilization, LLC
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$107,681.00 |
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Geovert LLC
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$113,862.20 |
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Rock Supremacy, LLC
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$127,275.00 |
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Access Limited Construction
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$131,000.00 |
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