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Onawa, IA undeveloped land for sale

5 properties

Search land for sale in Onawa, IA and undeveloped land for sale in Iowa for more listings.

18.1 Acres of Land for Sale in Onawa, Iowa

$30k drop • Oct 20

$149,90018.1 acres

Monona County

Onawa, IA 51040

0.18 Acres of Residential Land for Sale in Onawa, Iowa

2 months ago

$25,0000.18 acres

Monona County

Onawa, IA 51040

152 Acres of Agricultural Land for Auction in Mapleton, Iowa

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Upcoming auction

$— min152 acres

Monona CountyJan 22, 2026

Mapleton, IA 51034

182 Acres of Agricultural Land for Auction in Onawa, Iowa

Featured

Upcoming auction

$— min182 acres

Monona CountyJan 16, 2026

Onawa, IA 51040

287 Acres of Agricultural Land for Auction in Onawa, Iowa

Featured

Upcoming auction

$— min287 acres

Monona CountyJan 9, 2026

Onawa, IA 51040

Buying undeveloped land in Onawa

Find undeveloped land for sale in Onawa, IA including small empty lots, vacant land for construction, large unimproved acreage, and other raw land plots.

There are currently 5 undeveloped properties for sale near Onawa, with an average listing price of $87,450. The average cost to buy is $359 per acre. Search land for sale in Iowa to view every property in the state.

Undeveloped land for sale in Onawa

Acreage for sale: 488 acres
Average listing age: 51 days
Average list price: $87,450
Median list price: $87,450
Average property size: 121.9 acres

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