Home Builders Association of Dayton
Architectural blueprints for a new home
Homeowner Education Series

What every homeowner needs to know when building a new house

A six-part guide from the Home Builders Association of Dayton to help you budget wisely, choose the right builder, and move into a home you love.

Market Snapshot

What homes actually cost in Ohio, Dayton, and the Miami Valley

Before you set a budget, it helps to see where prices sit today. These are median sale prices — half of homes sold for more, half for less — plus what new construction typically runs in the same county.

Ohio median existing home

$260,000

4.5% year over year

Ohio median new construction

$375,000

Roughly 44% above resale — newer systems, code, and warranty coverage

Build cost in Dayton and the Miami Valley

$165–$250

per finished square foot — Typical 2025 Dayton and the Miami Valley range for a builder-grade to semi-custom home, excluding land and site work.

Median home prices by county in Dayton and the Miami Valley
CountyMedian existingMedian new buildYoY
Montgomery County$205,000$340,000+6.0%
Greene County$300,000$425,000+4.0%
Warren County$400,000$500,000+5.0%
Butler County$310,000$420,000+5.0%
Miami County$270,000$375,000+5.0%
Preble County$225,000$330,000+3.0%
Fayette County$200,000$300,000+3.0%
Clark County$190,000$315,000+6.0%

Full-year 2025 (rounded). Figures are rounded approximations compiled from Ohio REALTORS and Dayton REALTORS market reports and county auditor transfer data. Use them as planning ranges — your builder and lender will give you exact numbers for your lot and plan.