General contractors in Onawa, IA 51040

2 general contractors, with local market data for this ZIP.

Area profitability, construction48 / 100Soft market, open field
Typical home value$157,000+2.8% in the past year
New homes permitted, 20257Monona County
Homeowners75.3%1,517 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Morton BuildingsGeneral contractor · 2020 Iowa Ave N, Onawa(712) 423-2757 · mortonbuildings.com
Joe FoutsConstruction company · Onawa(712) 423-3199 · 2 drivers, 3 trucks

Construction in ZIP 51040 at a glance

Local building angle: Monona County permitted 7 new homes in 2025. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.