Last updated October 19, 2026
One of the biggest mistakes buyers make when moving to St. Louis is assuming price alone tells them what kind of house they can get. It doesn't. A $300K home in South County feels completely different from a $300K home in South City, St. Charles, or Chesterfield. Here's what each budget actually buys — with real sold data by ZIP code.
The St. Louis housing market is highly segmented by location, school district, age of housing stock, taxes, and renovation quality. The result is that two homes with the exact same price can create completely different ownership experiences. Buyers who search by price alone usually figure this out the hard way — after touring homes.
The smarter question is: "What kind of lifestyle does this budget actually buy in the specific area I want to live?"
From 7,006 MARIS closed sales across 79 St. Louis-area ZIP codes, 2025–2026. Move-in ready and as-is midpoints are defined in the data note at the bottom.
Yes — but it depends entirely on where. In Affton (63123), $300K puts you above the move-in ready midpoint of $259K. In Oakville, Mehlville and Green Park (63129), the move-in ready midpoint is $360,000 and the as-is midpoint is $311,000, so $300K is as-is territory. Same city, completely different answer by ZIP code. $300K by ZIP ↓
In most of South County and West County, $450K puts you above the move-in ready midpoint — updated homes with finished basements and newer systems. The exception is Kirkwood (63122), where $450K barely clears the as-is midpoint of $400K. $450K by ZIP ↓
In South County, yes — $600K is top-tier inventory. In Kirkwood, it puts you exactly at the move-in ready midpoint, meaning real competition. In Chesterfield (63005) and Des Peres (63131), $600K is below the as-is midpoint — entry level in those markets. $600K by ZIP ↓
The $280K–$380K range attracts the widest buyer pool — first-time buyers, VA buyers, FHA buyers, relocation buyers, and move-up buyers all compete here simultaneously. Move-in ready homes in this range in South County and St. Charles County often go under contract within days.
Because price follows ZIP code, condition and the age of the housing. Within South County alone, the move-in ready midpoint ran from $219,000 in 63125 to $421,900 in 63128. At $600K, you’re right at Kirkwood’s (63122) move-in ready midpoint but below Chesterfield’s (63005) as-is midpoint. The real pattern ↓
South County is where $300K creates the widest range of experiences. The ZIP code matters enormously:
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $300K Gets You |
|---|---|---|---|
| 63125 (Lemay) | $219,000 | $125,000 | Move-in ready with room |
| 63123 (Affton) | $259,500 | $235,000 | Competitive move-in ready |
| 63126 (Crestwood) | $330,000 | $290,000 | Below midpoint — dated or smaller |
| 63129 (Oakville / Mehlville / Green Park) | $360,000 | $311,000 | As-is territory at $300K |
| 63128 (Concord / Sappington) | $421,900 | $290,000 | As-is or below-median |
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $300K Gets You |
|---|---|---|---|
| 63301 (St. Charles city) | $320,000 | $294,400 | Just below midpoint — dated or smaller |
| 63376 (St. Peters / O'Fallon) | $330,000 | $303,600 | At as-is midpoint |
| 63385 (Wentzville) | $340,000 | $300,000 | Right at as-is midpoint |
| 63368 (Lake St. Louis) | $360,000 | $331,200 | Below as-is midpoint |
The honest read: $300K in St. Charles County buys dated or smaller inventory in most ZIPs. Move-in ready midpoints run $320K–$360K across the county. Buyers who need $300K to go further usually find more value in South County's 63123 or 63125 corridors.
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $300K Gets You |
|---|---|---|---|
| 63109 (Southampton / Lindenwood Park) | $301,800 | $244,000 | Right at move-in ready midpoint |
| 63118 (Bevo / Gravois Park) | $263,400 | $164,000 | Above midpoint — competitive |
| 63116 (Dutchtown / Patch) | $221,600 | $155,000 | Well above midpoint |
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $450K Gets You |
|---|---|---|---|
| 63129 (Oakville / Mehlville / Green Park) | $360,000 | $311,000 | Well above midpoint — updated inventory |
| 63128 (Concord / Sappington) | $421,900 | $290,000 | Above midpoint — strong competition |
| 63126 (Crestwood / Sunset Hills area) | $330,000 | $290,000 | Above midpoint — premium picks |
| 63026 (Fenton) | $387,400 | $340,000 | Above midpoint — updated ranches |
At $450K in Concord and Sappington (63128), you're above the move-in ready midpoint of $421,900. Buyers at this level start seeing finished basements, updated kitchens, newer roofs, and larger lots rather than competing for the basics.
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $450K Gets You |
|---|---|---|---|
| 63021 (Ballwin / Ellisville) | $414,200 | $375,000 | Above midpoint — Rockwood R-VI district |
| 63011 (Ballwin / Chesterfield fringe) | $455,000 | $365,000 | Right at midpoint |
| 63119 (Webster Groves) | $393,000 | $285,000 | Above midpoint — older homes |
| 63122 (Kirkwood) | $600,000 | $400,000 | Approaching as-is midpoint |
| ZIP / Area | Move-In Ready Midpoint | As-Is Midpoint | $600K Gets You |
|---|---|---|---|
| 63122 (Kirkwood) | $600,000 | $400,000 | Exactly at midpoint — real competition |
| 63017 (Chesterfield / Town & Country fringe) | $575,000 | $480,000 | Above midpoint — updated inventory |
| 63038 (Wildwood) | $626,200 | $490,000 | Just below midpoint — large lots, newer builds |
| 63005 (Chesterfield) | $800,000 | $631,500 | Below as-is midpoint — entry level here |
| 63131 (Des Peres / Frontenac area) | $832,500 | $400,000 | As-is midpoint only — dated inventory |
In South County, $600K is well above the move-in ready midpoint in every ZIP code. Buyers are looking at the top tier of available inventory — renovated homes, premium lots, and the strongest condition on the market.
At every price point, what the house costs at closing is only part of the equation. what buyers regret most after buying a cheap house in st. louis covers the post-closing costs that many buyers in this range don't see coming.
| ZIP / Area | Renovated Tier Midpoint | Move-In Ready Midpoint | $600K Gets You |
|---|---|---|---|
| 63128 (Concord / Sappington) | $550,000 | $421,900 | Top tier — Concord / Sappington premium inventory |
| 63129 (Oakville / Mehlville / Green Park) | $427,500 | $360,000 | Well above renovated tier |
As buyers move from $300K to $450K to $600K, the market changes less around square footage and more around compromise reduction, location and condition consistency. Higher budgets do not eliminate tradeoffs. They reduce them. And in some neighborhoods — Chesterfield, Des Peres, Ladue — even $600K still involves significant compromise.
The Buying Power Calculator breaks down move-in ready ranges across six St. Louis regions — filtered by condition tier and home size.
Know your number? Take it to the showing. My walk-through tool flags repairs room by room and totals the 2026 expected costs, so you can see whether a house still fits your budget once you add what it needs. Save or email your results to compare houses.
By area
Mostly dated or smaller homes. Move-in ready midpoints run $320,000 to $360,000 across the county, so $300K sits at or below the as-is midpoint in most ZIP codes. St. Charles County at $300K ↓
More than in most of the county. In 63116 and 63118, $300K is well above the move-in ready midpoint, and in 63109 it’s right at it ($301,800). Get a sewer scope on every St. Louis home, renovated or not. South City at $300K ↓
It depends on the ZIP. In Ballwin and Ellisville (63021), $450K clears the $414,200 move-in ready midpoint. In Kirkwood (63122), it clears the $400,000 as-is midpoint but sits well below the $600,000 move-in ready midpoint. West County at $450K ↓
In 63005, less than buyers expect: the move-in ready midpoint is $800,000 and the as-is midpoint is $631,500, so $600K is entry level there. West County at $600K ↓
About the data
Move-in ready is the 75th percentile of sales that went under contract in under 14 days at or above list price. As-is is the 25th percentile of sales that took 45 days or more. They’re market reference ranges, not appraisals.
It comes from 7,006 MARIS closed sales across 79 St. Louis-area ZIP codes in 2025 and 2026, and doesn’t reflect price changes since then. I’m refreshing it at the end of 2026 and every six months after that.
About this data: The prices and market numbers here come from 7,006 MARIS closed sales across 79 St. Louis-area ZIP codes, 2025–2026. They don’t reflect price changes since then. I’m refreshing this data at the end of 2026 and every six months after that.

I've worked buyers at every one of these price points in every area of this city. The number that surprises people most is how differently $450K performs in Ballwin versus Kirkwood. If you want to understand exactly what your budget buys before you start touring, call or text direct.