Gateway Realty Group
Aerial view of newer built homes at Crossing at Bella Vista in St. Peters, Missouri

New Construction Homes for Sale in St. Peters, MO

A builder's contract is not the standard resale contract, and the sales agent in the model home represents the builder, not you. The upgrade and lot-premium decisions are usually where the money is won or lost.

Homes for Sale
32
Median List Price
$372,400
Avg Price / Sqft
$221
Range
$302.9K–$639.9K

Homes for sale in New Construction in St. Peters

New Construction in St. Peters

Builders are active along the north and west edges of St. Peters, which makes new construction a standing category here. Much of the rest of the city is resale. St. Peters is seeing an influx of townhome and villa developments, so if you’re looking for an attached home, you’ve got options.

Buying in St. Peters?

We represent buyers here every week. That means a straight answer on what a home is actually worth, early word on what is about to come up, and somebody negotiating for you instead of for the seller.

Small shops along Main Street in historic St. Peters, Missouri

What is St. Peters actually like to live in?

This page is the inventory. Our guide to living in St. Peters is the other half: it covers the neighborhoods, the parks, the commute and what daily life is actually like here.

We filmed it, we sell in it, and we wrote it down.

Read the guide

Can't find what you're looking for?

We hear about homes before they hit the market, and we show plenty that are never advertised at all. If nothing above is right, tell us what you want and we will bring you options that are not on this page.

New Construction in St. Peters, by the numbers

New construction homes for sale in St. Peters carry a median list price of $372,400 and run roughly $221 per square foot. The typical listing goes under contract in about 101 days. Asking prices run from $302,900 to $639,900.

Where the prices sit

Of what is active today, 94% are priced between $300,000 and $500,000 and 6% between $500,000 and $750,000. About 59% are single-family houses; the rest are condos, villas or townhomes. The median year built is 2026.

Where the listings actually are

A handful of subdivisions account for much of the current inventory, and the spread between them is wide enough that a single median for St. Peters is not a useful number on its own:

Schools

These listings fall across 2 school districts, led by Ft. Zumwalt R-II, which covers about 66% of them. Confirm the assigned elementary and middle schools address by address rather than by subdivision, since attendance boundaries move.

Based on information from Mid America Regional Information Systems, Inc. for the period October 5, 2026 through October 5, 2026.

Where homes for sale in St. Peters, MO actually sit

Homes for sale in St. Peters, MO sit almost entirely in one postal code, 63376, with a small number in 63303 and 63304 at the edges. St. Peters, MO is in St. Charles County, Missouri, between St. Charles and O'Fallon, with Cottleville to the south. Interstate 70, Mid Rivers Mall Drive, and Route 94 carry most of the traffic through the city.

What you are choosing between

You are choosing between detached single-family houses, villas, townhouses and condominiums, and the attached inventory here is a larger share of the market than in most of the surrounding cities. The two school districts that matter are Fort Zumwalt and Francis Howell, split close to evenly, with a few addresses in St. Charles R-VI. Listings move through coming soon, active, active under contract and pending, and the filters above let you narrow to whichever you want to see.

Thinking about the area itself?

This page is about what is for sale. If you are still deciding whether St. Peters is the right place for you, our guide to living in St. Peters covers the neighborhoods, the parks, the commute and what daily life is actually like here. To see everything for sale here rather than just new construction, go to all homes for sale in St. Peters.

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MLS GRIDMARIS MLS

Listings courtesy of MARIS as distributed by MLS GRID

Some IDX listings have been excluded from this website.

Based on information submitted to the MLS GRID as of October 5, 2026 at 4:41 AM CDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Any other use or search of this data, including by anyone other than a consumer looking to purchase real estate, is prohibited. Data is deemed reliable but is not guaranteed by MLS GRID.