Arlington Heights, IL Housing Market 2026: What Homes Actually Sell For

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

The snapshot

• •Closings tracked, last 6 months: 574
• •Median sold price, last 6 months: $460,000
• •Median sold $/sqft, last 6 months: $265
• •Middle half of sales closed between: $327,500 and $640,000

What the numbers say

Resideline tracked 574 closed sales in Arlington Heights over the last six months, with a median closing price of $460,000. 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 $327,500 and $640,000. 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. Across the 544 closings with usable living area, the middle half sold between $221 and $328 per square foot.

Figures last updated August 22, 2026 from closings Resideline tracked.

Median home price in Arlington Heights, IL (August 2026)

The median home price in Arlington Heights is $460,000, measured across the 574 closed sales Resideline tracked over the last six months. The middle half of those sales closed between $327,500 and $640,000.

Where Arlington Heights sale prices land

Medians hide the shape of a market. The distribution above covers the closed sales Resideline tracked in Arlington Heights over the last six months, trimmed to the 5th through 95th percentile, with the middle half of sales closing between $327,500 and $640,000. Where your target property sits inside that spread matters more than the citywide median.

How long a sale takes here

• •Listed to under contract: a median of 29 days, across 217 Arlington Heights closings Resideline tracked in the last six months
• •Contract to closing: a median of 12 days, across 111 Arlington Heights closings Resideline tracked in the last six months

The Arlington Heights angle

Arlington Heights records enough sales to make segmentation the default approach rather than a refinement. Depth is how you get around them. Segment on structure before price. Property type, then a living-area window, then a condition tier; read the median of the survivors and treat that as the working figure. In a dispersed market the difference between a segment median and $460,000 is informative in its own right, since it tells you where in the distribution your subject's kind of property actually trades. The upper half of the band is the wider side. Check the finished figure against $640,000 to confirm it sits where your comps said it should.

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 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 and graded against the real closing price after it sells. As of August 2026, the public scoreboard showed 3.26% median error across 11,465+ graded closings. See the live accuracy dashboard for the receipts, or read how the Area Market Snapshot works.

Run any Arlington Heights 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: Arlington Heights, IL
Data updated: August 2026
Analysis period: last six months
Tracked closings: 574
Median sold price: $460,000
Median sold $/sqft: $265 (544 qualifying)
https://resideline.com/blog/arlington-heights-il-housing-market

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 Arlington Heights over the last six months, and is refreshed when the data is. The closings we track inside the city limits are not limited to listing-service sales: they also include foreclosure deeds, estate and family transfers, and other off-market sales that portal medians exclude, which is why 22% of the 574 closings in this window never appeared on a listing service, and the median of MLS-listed sales alone was $478,000.