Area guidesSt. Louis County · 63125 · 63128 · 63129

Mehlville, MO Homes and Real Estate

Mehlville is an unincorporated community in South St. Louis County covering about 7.6 square miles, with close to 13,900 homes (2020 Census). Addresses fall in ZIP codes 63125, 63128 and 63129, and most mailing addresses read "St. Louis, MO." It sits east of Concord and north of Oakville, in the area locally called South County.

Overview

Homes, roads and parks in Mehlville.

The housing mix is mostly single-family: brick ranches, split-levels and two-story homes on curving subdivision streets, plus a solid share of condominiums, villas and apartment communities near the main corridors. That range gives Mehlville one of the wider price spreads in South County, which makes pricing against the right comps especially important.

Lemay Ferry Road (Route 267) is the main north-south corridor, with Lindbergh Boulevard, Telegraph Road and Tesson Ferry Road close by. I-55 runs through the area and I-255 and I-270 are minutes away, connecting to downtown St. Louis and both sides of the river.

For outdoor space, Suson Park on Wells Road has an animal farm, stocked fishing lakes and playgrounds. Bee Tree Park and Cliff Cave Park along the Mississippi River are a short drive south in Oakville, and Jefferson Barracks Park is to the east in Lemay.

Market snapshot

Mehlville home values: what the numbers say.

MeasureValue
Median sale price, Mehlville (all home types)$257,280 (down 1.0% year over year)3 months ending August 2026 · Redfin, August 2026
Median days on market, Mehlville9 days (9 a year earlier)August 2026 · Redfin, August 2026
Homes sold, Mehlville111 (91 a year earlier)August 2026 · Redfin, August 2026
Sale-to-list price, Mehlville101.8%August 2026 · Redfin, August 2026
St. Louis City and County median$340,000 (+7.3%); 31 avg days; 2.8 months supplySeptember 2026 · St. Louis REALTORS, September 2026

Redfin figures retrieved October 27, 2026. Redfin's latest published month differs by community, so each row shows its own month. Medians describe the whole market, not any one home.

Selling

Thinking of selling in Mehlville?

Every seller starts with a net sheet: what you keep after payoff, fees, taxes and any credits. Then pick the plan that fits your timeline.

  • Max Net Plan

    A traditional listing with ROI-focused prep, a written timeline and pricing built on homes that sold nearby.

  • Certainty First Plan

    Buy before you sell, backup cash offer options and set dates, so your next move is not waiting on a buyer.

  • Private Luxury Plan

    Discreet, high-end presentation with showings limited to qualified buyers.

Move with a plan, not pressure.

Buying

Buying in Mehlville

With condos, villas and single-family homes side by side, the first step is matching the property type to your loan. Condo and villa purchases need HOA budget and insurance documents early, and some loan programs review the association. Get a full pre-approval, then compare price per square foot within the same property type.

Common questions

Questions about Mehlville, answered.

What ZIP codes are in Mehlville, MO?

Mehlville includes parts of 63125, 63128 and 63129.

Is Mehlville a city?

No. Mehlville is an unincorporated community and census-designated place in St. Louis County.

How quickly do homes sell in Mehlville?

Redfin reported a 9-day median on market in August 2026. Condos and single-family homes can move at different speeds, so ask for numbers by property type.

What should I fix before selling my Mehlville home?

Start with items buyers notice in the first minute (entry, light, cleanliness) and anything an inspector will flag on major systems. A net sheet shows which repairs pay back and which to price in instead.

Do I need an inspection from the county to sell?

Rules differ by city and by unincorporated St. Louis County, and they can depend on the property and its use. Some areas require a home inspection or permit before a sale, and some don't. As your agent, I find out what applies to your home right away, so there are no surprises before your home goes on the market.

Stephanie Muhlenfeld, St. Louis REALTOR with LPT Realty

Stephanie Muhlenfeld, PMP, REALTOR® with LPT RealtySt. Louis REALTOR®

Stephanie is a St. Louis REALTOR® and certified Project Management Professional who lives in South City. She runs every listing like a project: a written timeline, vetted vendors, a pricing plan built on homes that sold, and a status report every week. Move with a plan, not pressure.

(314) 597-7494 | LPT Realty, LLC (417) 813-1762

Stephanie Muhlenfeld, REALTOR® | The Clear Path Home | LPT Realty, LLC | (314) 597-7494 | LPT Realty (417) 813-1762 | Equal Housing Opportunity. Market figures are from the sources and dates shown and are not a guarantee of any result. Information deemed reliable but not guaranteed.