Linn County, IA · Sold

IA-305674

7631 County Road 170

$336,200

$10,027/ac · 33.53 ac

Offer report Market this tract

Acreage33.53 ac

Price per acre$10,027/ac

ZoningUnzoned

Road accessGravel

UtilitiesFull utilities

TopographyMixed

ListedJan 7, 2026

Coordinates42.0352, -91.6724

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County GIS boundary

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County market

Linn County, Iowa. The benchmark corn-belt farmland market; auctions set transparent comps.

View Linn market data →

Step 1 · Is this a deal?

Due diligence

3 items to verify before you offer.

Risk index

Low risk

Wetlands16.5% of tract

Partial wetlands. Verify the delineated build envelope.

Average slope3.0%

Gentle grade, straightforward to develop.

Flood zoneShaded X

Moderate flood hazard on part of the tract.

Legal accessDeeded frontage

569 ft of deeded road frontage.

PowerOn site

Power at or near the road.

Buildable area26.60 of 33.53 ac

Net of wetlands and slope constraints.

Step 2 · Where do the numbers land?

Adjusted value estimate

$422,570

$334,011 – $511,128 · $12,603/ac on 33.53 ac

Asking vs estimate

-20.4%

Priced below the comp set

Weighted from 8 recorded sales, adjusted for tract size, access, utilities and time since sale. Range width reflects dispersion across the comp set.

AI deal brief

Comps, diligence flags, an offer number and what to ask the seller.

Offer calculatorAsking $336,200

Acres

Resale ($/ac)

Target margin (%)

Hold (months)

Closing (%)

Carry (%/yr)

Selling costs (%)

Your offer

Maximum allowable offer

$241,468

$7,202/ac · +30.0% target margin

You need $94,732 off asking to hit this margin.

All-in cost$261,993

Net resale$388,764

Projected profit$126,771

ROI+48.4%

Annualized+69.3%

Break-even resale$8,493/ac

Profit if resale lands off target

-20%

$49,018

-10%

$87,895

$126,771

+10%

$165,648

+20%

$204,524

Comparable sales8 matches

Parcel	Acres	Sold	Price	$/ac	Adj $/ac	Dist	Match
IA-864580 Dirt · Full utilities	15.2	Jul 27, 2026	$166,800	10,986	11,479	2.8 mi	77
IA-105042 Dirt · Power at road	21.2	Jul 27, 2026	$146,000	6,883	9,133	8.1 mi	76
IA-274146 Dirt · Off grid	11.1	Jul 27, 2026	$73,200	6,598	9,599	2.9 mi	76
IA-705849 Landlocked · Power at road	38.1	Dec 22, 2025	$332,500	8,735	16,457	9.5 mi	76
IA-155778 Landlocked · Full utilities	36.2	Jul 4, 2024	$314,400	8,695	14,105	8.3 mi	72
IA-486985 Gravel · Power at road	86.7	Apr 24, 2026	$831,400	9,592	14,401	6.5 mi	71
IA-937215 Landlocked · Off grid	102.4	Apr 9, 2026	$405,000	3,955	10,715	7.1 mi	66
IA-177325 Landlocked · Power at road	110.9	Nov 13, 2023	$672,200	6,062	15,659	2.4 mi	57

Show adjustment detail for the top comp

Tract size (15.18 ac → 33.53 ac)-10.3%
Access (Dirt → Gravel)+16.3%

Step 3 · Market it

Turn this underwriting into a listing

Generate a comp-priced headline, listing description, land-group post and cash-buyer email for this tract — then post it to the investor marketplace.

Build the listing kit Post a deal or JV