STL Home Buyer Journey
George Kindler
13 Years Of Real Estate Experience At Your Fingertips
Last updated July 10, 2026
South County is not one market. It is a group of communities with very different prices, school-district assignments and competition levels. This guide is the orientation page: use it to decide which South County areas belong on your shortlist, then move into the deeper price, school-district and neighborhood guides linked below.
South County is the informal name for the southern portion of St. Louis County. It is not a municipality, a school district, or a zip code. It is a geographic and cultural shorthand that buyers, agents, and longtime residents use to describe a cluster of communities south of I-44 and the River Des Peres that share a broadly suburban character and similar daily-life infrastructure.
The nine communities in this guide — Affton, Concord, Crestwood, Green Park, Lemay, Mehlville, Oakville, Sappington, and Sunset Hills — are what most buyers mean when they say "South County." They span a median home value range from $152,000 to $523,000. They are served by three school districts. And they sit in different positions on the competitiveness spectrum — some of the hottest markets in the entire state of Missouri, and some of the most patient.
Several South County communities rank among the most competitive real estate markets in the entire state of Missouri based on Redfin data for January through October 2025. This is not a slow suburban market. Buyers who show up without pre-approval and a clear strategy lose deals.
| Community | State Rank (Competitiveness) | Sale-to-List Ratio | Avg. Days on Market | % Above List Price |
|---|---|---|---|---|
| Crestwood | #1 in Missouri | 103.7% | ~10 days | 56.7% |
| Mehlville | #5 in Missouri | 102.4% | ~10 days | 68.6% |
| Affton | #7 in Missouri | 102.6% | ~14 days | 60.9% |
| Concord | #10 in Missouri | 101.9% | ~15 days | 48.4% |
| Oakville | #11 in Missouri | 101.4% | ~15 days | 47.3% |
| Sunset Hills | Not in top 20 | — | Longer | — |
Mehlville has the highest rate of homes selling above list price in the entire South County group — 68.6%. That is a buyer who loses one in three offers to someone who paid more. If you are targeting Mehlville, you need to understand that before your first showing.
In South County's most competitive markets, pre-approval is the minimum. Here's what it actually involves. How to Get Pre-Approved for a Mortgage in St. Louis → →Every median value below is from U.S. Census Bureau data (2020–2024 estimates). Actual current sale prices vary — verify with current MLS data before budgeting.
Before you decide on a neighborhood, decide whether school district matters to you — and if it does, understand that district assignment in South County is an address-level question, not a neighborhood-level question.
The three districts serving South County buyers are Lindbergh Schools (93.5% APR score), Mehlville School District (91.7% APR score), and Affton School District. Both Lindbergh and Mehlville are top performers. The difference shows up in the price premium: Lindbergh-assigned communities command a meaningful premium over comparable Mehlville-assigned homes.
The full district comparison — which neighborhoods feed into which district, and how to verify before you offer. Lindbergh vs. Mehlville School District: What South County Buyers Need to Know → →The most common mistake South County buyers make is starting with a community name instead of starting with their actual situation. Here is a cleaner way to think about it:
“South County” is a regional label, not one permitting jurisdiction. Occupancy rules are set by each incorporated city or village, and by St. Louis County for unincorporated areas. Two homes a few blocks apart can fall under different rules. A community name or mailing address doesn’t by itself tell you which jurisdiction’s rules apply; the exact address does.
It depends on which jurisdiction covers the address. Some South County cities and unincorporated St. Louis County require an occupancy permit or inspection when a home sells or a new occupant moves in. Crestwood does not require one for an owner-occupied resale, and Fenton has no general resale occupancy permit for existing homes. Use the table below for the jurisdiction that actually covers the property.
Yes. The trigger differs: some jurisdictions tie the permit to any change of occupancy, some to a change of ownership, some to rentals only, and Fenton to new dwellings. Who applies and when also differs. In Sunset Hills the seller commonly applies before closing, and in Lakeshire the seller is instructed to request the inspection before closing.
| Community or area | Occupancy requirement supported by the research | Who handles it | What the buyer or occupant should verify |
|---|---|---|---|
| Affton, Concord, Lemay, Mehlville, Oakville, Sappington Unincorporated St. Louis County addresses only. Also Tesson Ferry, St. George, Mackenzie, Bayless and Mattese. | Re-occupancy permit required when a new occupant moves in. The County application covers sale and rental, and the home can’t be occupied until the permit is issued. County occupancy permit | St. Louis County Transportation & Public Works | That the exact address is unincorporated. These community names are not cities, and the County rule applies only if the parcel is unincorporated. |
| Crestwood City limits | No occupancy inspection or permit for an owner-occupied resale. A rental re-occupancy permit is required for all rental dwelling types; the unit can’t be occupied until the inspection passes with no deficiencies. City permits & licenses | City of Crestwood | Whether the home will be owner-occupied or rented. For rentals, apply at least 30 days before move-in. |
| Sunset Hills City limits | Residential occupancy permit required when occupancy changes, including a sale; the seller commonly applies before closing. The same process applies when a rental’s occupancy changes. City occupancy & rental registry | City of Sunset Hills | That the seller has applied and the permit timing fits the closing date. |
| Green Park City limits | Occupancy permit required when a sale results in a change of occupant; the residential occupancy permit framework also applies to rentals. City technical codes | City of Green Park | Whether the sale or lease changes the occupant. |
| Grantwood Village Village limits | Occupancy permit required when a residence changes ownership, under the St. Louis County Property Maintenance Code framework the Village subscribes to. Village brochure | Grantwood Village | Transaction timing and application details with the Village. |
| Fenton City limits | No general resale or reoccupancy permit for an existing home; City residential occupancy permits apply to new dwellings. City applications & permits | City of Fenton | Whether the home is an existing dwelling or new construction. |
| Lakeshire City limits | Occupancy permit required on a change of occupancy or ownership. The seller is instructed to request the inspection before closing, and conditional occupancy can allow the buyer a correction period. Rentals require a permit with tenant information. City code · occupancy permits | City of Lakeshire | That the seller has requested the inspection, and whether any corrections will pass to the buyer under conditional occupancy. |
| Marlborough Village limits | Re-occupancy permit required for a change of occupancy; the re-occupancy process also applies to rentals. Village code | Village of Marlborough | That the re-occupancy permit is in place before the new occupant moves in. |
| Shrewsbury City limits | A Certificate of Occupancy is required before legal occupancy; the residential occupancy application covers owners and renters. City occupancy application | City of Shrewsbury | Sale-inspection timing with the City for the specific transaction. |
The exact address controls. Affton, Concord, Lemay, Mehlville, Oakville, Sappington and the other listed local areas are community names, not cities. The County rule applies only if the parcel is in unincorporated St. Louis County; some addresses with these names sit inside a municipality with its own rules. City and village rows apply inside those city or village limits. South County areas not listed here aren’t covered in this table; check with the local city or St. Louis County.
Before closing or moving in, confirm the rule for the specific property:
Sources: the official city, village and St. Louis County pages linked in the table, checked September 25, 2026. Neighborhood pages linked above cover each area’s permits, sewer lateral programs and other home rules in more detail.
Three things matter more than picking a neighborhood name:
What are the best neighborhoods in South County St. Louis?
It depends entirely on your budget and priorities. Crestwood and Sunset Hills are the premium Lindbergh options. Oakville and Concord offer strong value in the $300K–$320K range. Mehlville and Sappington are the mid-range. Affton is the most practical entry point. Lemay offers the most accessible pricing. There is no single best neighborhood — there is the right one for your specific situation.
How much do homes cost in South County St. Louis?
South County home prices run from approximately $152,000 median in Lemay to $523,000 in Sunset Hills. The middle of the market — Oakville, Concord, Crestwood — runs in the $300K–$320K range. These are census median values; actual current sale prices vary.
Is South County St. Louis a competitive real estate market?
Yes. Crestwood ranks #1 most competitive in all of Missouri. Mehlville ranks #5 with 68.6% of homes selling above list price. Affton is #7 and Oakville #11. Pre-approval and a strategy are required — not optional — before touring in South County.
What is the difference between South County and South City?
South City is the southern portion of the City of St. Louis — a separate political and tax jurisdiction. South County is South St. Louis County, which includes the communities in this guide. They share a border but are distinct markets with different tax structures, school districts, and housing stock profiles.
This is one piece of the St. Louis home buying process. See how it all fits together:
📚 Complete St. Louis Buyer Guide →
Grew up in South St. Louis, lived in Dogtown for 6 years, now in South County. You'll find us at Wellspring on Lindbergh on Sundays. I'm not selling you a house — I'm showing you how to think about buying or selling a house.
South County is where I spend a significant amount of my time. If you want to talk through which community actually fits your budget and situation — no pitch, straight conversation — I answer directly.