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The following are the results of bids received September, 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
| BOONE -- PROJECT # 23-02-08-06 9/17/2026 Large Project Letting
| LEDGES STATE PARK
| | CCC BRIDGE RAILING AND WALKWAYS | | | | BIDS RECEIVED: |
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Holman Construction LLC
|
$149,000.00 |
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N.B. Koch General Contractors
|
$154,184.00 |
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Southeast Constructors Inc
|
$197,800.00 |
|
Minturn Inc
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$198,630.00 |
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Woodruff Construction Inc
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$206,983.60 |
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Herberger Construction Company Inc
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$317,460.00 |
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| JASPER -- PROJECT # 26-05-50-01 9/17/2026 Large Project Letting
| ROCK CREEK STATE PARK
| | BOAT RAMP PARKING IMPROVEMENTS | | | | BIDS RECEIVED: |
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TK Concrete, Inc
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$455,913.00 |
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Home Boy Enterprises LTD
|
$479,915.97 |
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Con-Struct Inc
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$496,785.80 |
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Reilly Construction Co Inc
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$509,581.50 |
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James Construction LLC
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$509,977.00 |
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Steele Excavating Inc
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$524,200.79 |
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Central Iowa Excavation dba Annee Construction
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$534,918.50 |
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A & A Concrete Iowa LLC
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$537,575.50 |
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Boomerang Corp
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$556,558.00 |
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Jensen Builders LTD
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$567,093.94 |
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| MARSHALL -- PROJECT # 20-05-64-01 9/17/2026 Large Project Letting
| MARSHALL COUNTY ATV
| | STORAGE BUILDING | | | | BIDS RECEIVED: |
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Ciro Diiorio Masonry and Landscaping
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$272,349.00 |
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GTG Construction LLC
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$339,150.00 |
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Tri-State Construction Group, Inc.
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$389,400.00 |
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N.B. Koch General Contractors
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$390,000.00 |
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Ball Team, LLC
|
$576,600.00 |
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| POLK -- PROJECT # 26-02-77-02 9/17/2026 Large Project Letting
| BIG CREEK BEACH
| | WATERSHED BMPS | | | | BIDS RECEIVED: |
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Southeast Constructors Inc
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$480,239.00 |
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Pirc-Tobin Construction Inc
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$516,690.50 |
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RW Excavating Solutions LC
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$562,507.00 |
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Iowa Earth Works
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$621,277.00 |
|
Con-Struct Inc
|
$624,223.00 |
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Steele Excavating Inc
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$624,573.00 |
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On Track Construction, LLC
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$626,658.00 |
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TK Concrete, Inc
|
$630,982.00 |
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Reilly Construction Co Inc
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$634,738.00 |
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| STORY -- PROJECT # 24-02-85-01 9/17/2026 Large Project Letting
| STATE FOREST NURSERY
| | SEED BUILDING ADDITION | | | | BIDS RECEIVED: |
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GTG Construction LLC
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$387,185.00 |
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R.H. Grabau Construction Inc
|
$400,000.00 |
|
Rise Construction, LLC
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$459,800.00 |
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Keystone Construction Services
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$514,730.00 |
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Kolacia Construction Inc
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$549,250.00 |
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| JONES -- PROJECT # 25-06-53-02 9/10/2026 Small Project Letting
| WAPSIPINICON STATE PARK
| | SEPTIC MOUND SYSTEM (REBID) | | | | BIDS RECEIVED: |
|
Ground Line Company LLC
|
$64,000.00 |
|
Connolly Excavating, Inc
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$79,540.79 |
|
Miene Septic Service, Inc
|
$120,238.00 |
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Sedenka Excavating and Habitat LLC
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$142,700.00 |
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Boomerang Corp
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$277,000.00 |
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| PALO ALTO -- PROJECT # 26-01-74-01 9/10/2026 Small Project Letting
| PRAIRIE LAKES WILDLIFE UNIT
| | PERKINS MARSH TILE OUTLET | | | | BIDS RECEIVED: |
|
Reutzel Excavating Inc
|
$45,779.00 |
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Nelson & Rock Contracting Inc
|
$71,109.00 |
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Iowa Bridge and Culvert
|
$77,237.00 |
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Laubenthal Excavation
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$92,625.38 |
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Jones Contractors & Associates LLC
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$159,865.36 |
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