Grain Valley, MO Housing Market 2026: Median Home Price, Last 12 Months

If you invest in or around Grain Valley, the number that matters is what homes actually close for, not what sellers are asking. Here is what Grain Valley sale prices look like right now, built from the closings Resideline tracked over the last 12 months, as of October 2026.

The snapshot

• •Closings tracked, last 12 months: 238
• •Median sold price, last 12 months: $343,200
• •Median sold $/sqft, last 12 months: $179
• •Middle half of sales closed between: $300,000 and $399,900

One thing to know about Missouri data: Missouri is a non-disclosure state, which means sale prices are not public record. The sold figures above come from closings Resideline tracked directly.

What the numbers say

Resideline tracked 238 closed sales in Grain Valley over the last 12 months, with a median closing price of $343,200. That median is the midpoint of what buyers actually paid, not what sellers hoped to get, which is why it moves differently from the asking prices you see on listing sites. The middle half of those sales closed between $300,000 and $399,900. That spread matters more than the headline median: where a specific property sits inside it decides whether the citywide number helps you or misleads you. These are the closings Resideline tracks and may differ from complete county or municipal records. 94% of the Grain Valley closings we track here are single-family houses, so these figures primarily reflect that segment, and the citywide $/sqft figure primarily reflects that segment as well. Across the 237 closings with usable living area, the middle half sold between $156 and $200 per square foot.

Figures last updated November 4, 2026 from closings Resideline tracked.

Median home price in Grain Valley, MO (October 2026)

The median home price in Grain Valley is $343,200, measured across the 238 closed sales Resideline tracked over the last 12 months. The middle half of those sales closed between $300,000 and $399,900.

Where Grain Valley sale prices land

Medians hide the shape of a market. The distribution above covers the closed sales Resideline tracked in Grain Valley over the last 12 months that carry a usable sale date, trimmed to the 5th through 95th percentile, with the middle half of sales closing between $300,000 and $399,900. Among the 45 Missouri markets with a published band, Grain Valley's middle-half spread ($300,000 to $399,900) ranks 2nd from the narrowest. Where your target property sits inside that spread matters more than the citywide median. Measured as the ratio of the upper to the lower quartile, its middle-half spread ranks in the 5th percentile of the 2,291 US markets in Resideline's national Market Watch set, on data as of November 3, 2026.

How long a sale takes here

• •Listed to under contract: a median of 13 days, across 174 Grain Valley closings Resideline tracked in the last 12 months
• •Contract to closing: a median of 31 days, across 159 Grain Valley closings Resideline tracked in the last 12 months

Both are measured from the closings themselves, not from listing inventory. Each sale is timed using its own listing and contract dates. That is why these counts are smaller than the 238 closings above: a sale is counted here only when we hold both of its dates.

The Grain Valley angle

Both of Grain Valley's headline traits point one way for a quick estimate and the opposite way for a confident one. The band from $300,000 to $399,900 is tighter than most markets we track, which makes $343,200 a closer approximation for more properties. The record behind it, 238 closings, is thinner than most markets we track. So a rough number is cheap here and a precise one is expensive. Compression means an anchor on the citywide midpoint is unlikely to be far off. Thin data means the midpoint itself rests on relatively few properties and may move as new closings arrive, and it means matched comps will be scarce enough that each one carries real weight. Filter tightly, count what you have, and widen on the least important attribute if you must. The wider stretch of the band sits above the midpoint, so an estimate built from larger or better finished comps will run high.

From market read to offer price

A market read is the backdrop. The decision still comes down to one property and one number: what it is actually worth and what you should pay. Every Resideline report opens with this same market snapshot for the subject's exact ZIP code, then gives you the property's value, the sold comps behind it, and a market rent estimate. Pricing a specific deal? The free ARV calculator, rehab cost estimator, BRRRR calculator and rental property calculator run the numbers in about a minute.

And we show our work. Every estimate is frozen while the home is for sale, so it cannot be revised once the sale price is known. Grading it is a different matter in Missouri: because sale prices are not public record here, a confirmed closing price reaches us for only a small share of Missouri homes, and most Missouri estimates stay frozen and ungraded. The accuracy scoreboard is therefore a national record rather than a Missouri one. See the live accuracy dashboard for the receipts, or read how the Area Market Snapshot works.

Run any Grain Valley address through Resideline and you will see the local market and the property's value together, in one report.

Cite this

Using these numbers? Please cite the source and the sample size:

Source: Resideline Market Watch
Market: Grain Valley, MO
Geography: incorporated municipality, Census place 2928090
Data updated: October 2026
Analysis period: last 12 months
Tracked closings: 238
Median sold price: $343,200
Median sold $/sqft: $179 (237 qualifying)
Property mix: 94% houses
https://resideline.com/blog/grain-valley-mo-housing-market

Writing about this market? Paste this into your post:

<a href="https://resideline.com/blog/grain-valley-mo-housing-market">
  <img src="https://resideline.com/images/embed/grain-valley-mo.png" alt="Grain Valley, MO home sale price distribution, last 12 months" width="1000" style="max-width:100%;height:auto">
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<p>Source: <a href="https://resideline.com/blog/grain-valley-mo-housing-market">Resideline Market Watch</a></p>

The local market statistics in this report are calculated from closed sales tracked by Resideline. Transaction coverage may differ from complete county or municipal records.

Every local market figure on this page is computed from closed sales Resideline tracked in Grain Valley over the last 12 months, and is refreshed when the data is.