New Construction Homes in O'Fallon, Missouri

New construction homes in O'Fallon, Missouri range from $344,970 to $1,072,470 across 6 builders, with 21 active listings on All New Homes. Median price $659,900, median size 2,483 sqft.

Frequently asked questions

How much do new construction homes cost in O'Fallon, Missouri?

Active new construction homes in O'Fallon, Missouri range from $344,970 to $1,072,470. The median price is $659,900.

Which builders are active in O'Fallon, Missouri?

O'Fallon has 6 active new-home builders on All New Homes. The largest by listing count are Fischer Homes, McKelvey Homes, Consort Homes, Epcon Communities, and T.R. Hughes Homes.

How many new construction homes are in the current O'Fallon, Missouri inventory?

The current All New Homes inventory includes 21 active new construction homes in O'Fallon, Missouri.

What's the largest new-home builder in O'Fallon, Missouri?

Fischer Homes is the most active new-home builder in O'Fallon, Missouri, with 6 current listings.

Featured homes

124 Mora Blvd, O Fallon, MO 63368

$344,970 · 3 bd · 2.5 ba · 1,363 sqft

130 River Grove Ct, O Fallon, MO 63366

$522,900 · 3 bd · 2 ba · 1,740 sqft

311 Kinsie Dr, O Fallon, MO 63368

$524,900 · 4 bd · 2.5 ba · 2,790 sqft

146 Haven Rdg Ct, Dardenne Prairie, MO 63368

$535,000 · 2 bd · 2 ba · 1,590 sqft

EpconCommunities

404 River Crest Xing, O Fallon, MO 63366

$588,900 · 3 bd · 2 ba · 1,959 sqft

719 Southerland Dr, O X27 Fallon, MO 63368

$594,900 · 4 bd · 2.5 ba · 2,749 sqft

131 Cardow Dr, O X27 Fallon, MO 63368

$597,900 · 3 bd · 2.5 ba · 2,483 sqft

403 River Crest Xing, O Fallon, MO 63366

$634,900 · 3 bd · 2 ba · 1,960 sqft

1785 Hanley Rd, Dardenne Prairie, MO 63368

$638,271 · 3 bd · 2.5 ba · 2,247 sqft

149 Haven Rdg Ct, Dardenne Prairie, MO 63368

$645,000 · 3 bd · 3 ba · 2,430 sqft

EpconCommunities

220 Kerry Downs Dr, Dardenne Prairie, MO 63368

$659,900 · 4 bd · 3.5 ba · 2,599 sqft

101 Haven Rdg Ct, Dardenne Prairie, MO 63368

$672,170 · 3 bd · 3 ba · 2,430 sqft

EpconCommunities

100 Cedarstone Dr, Dardenne Prairie, MO 63368

$695,000 · 3 bd · 2 ba · 2,240 sqft

14 Cedarstone Ct, Dardenne Prairie, MO 63368

$708,755 · 3 bd · 2 ba · 2,240 sqft

815 Memsie Dr, O Fallon, MO 63368

$729,900 · 4 bd · 2.5 ba · 2,602 sqft

128 Cedarstone Dr, Dardenne Prairie, MO 63368

$772,934 · 5 bd · 4 ba · 3,546 sqft

126 Royal Troon Dr, Dardenne Prairie, MO 63368

$799,530 · 3 bd · 2.5 ba · 2,570 sqft

128 Royal Troon Dr, Dardenne Prairie, MO 63368

$885,935 · 3 bd · 2.5 ba · 2,809 sqft

161 Robert Volz Ct, O Fallon, MO 63366

$987,096 · 3 bd · 2.5 ba · 2,808 sqft

101 Royal Troon Dr, Dardenne Prairie, MO 63368

$1,035,609 · 3 bd · 2.5 ba · 2,809 sqft

169 Robert Volz Ct, O Fallon, MO 63366

$1,072,470 · 4 bd · 3.5 ba · 4,097 sqft

Nearby areas

New homes in Lake St. Louis, MO · 18 listings · 4.9 mi
New homes in St. Peters, MO · 21 listings · 5.8 mi
New homes in Wentzville, MO · 72 listings · 9.2 mi
New homes in St. Charles, MO · 32 listings · 11.9 mi
New homes in St. Louis, MO · 13 listings · 29.4 mi
New homes in Lees Summit, MO · 59 listings · 197.8 mi
New homes in Raymore, MO · 42 listings · 202.7 mi
New homes in Kansas City, MO · 59 listings · 209.3 mi

Builders active in O'Fallon

Fischer Homes · 6 homes
McKelvey Homes · 5 homes
Consort Homes · 3 homes
Epcon Communities · 3 homes
T.R. Hughes Homes · 3 homes
Rolwes Company · 1 home

Inventory last refreshed: October 26, 2026 · Data sourced directly from builder websites.