Arlington Heights, IL · Curated MLS Search

Homes with ADU in Arlington Heights, IL

An editorially curated view of every active homes with adu listing in Arlington Heights, IL. Updated in real time from the local MLS, presented without the noise.

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Arlington Heights Market — Homes with ADU Comparison

Live MLS data — citywide vs. Homes with ADU

Arlington Heights
Homes with ADU
inventory
Active Listings
105
103
Sold (Past 6 Mo.)
524
524
Under Contract
82
82
pricing
Avg. List Price
$609,308
$615,224
Cost / Sq. Ft.
$282
$282
typical home
Living Area
1,880 ft²
1,893 ft²
Avg. Beds
2.9
2.9
Avg. Baths
2.4
2.4
Days on Market
65
65

Homes with ADU in Arlington Heights: Market Data

Data as of (MLS snapshot; listings below update live)

As of October 20, 2026, Chicago Real Estate Source's review of MLS data shows 103 active listings for Arlington Heights homes with ADU, and the median listing had been on the market 24 days. That is about 98% of the 105 active listings in Arlington Heights across every property type. At the time, 82 more were pending, and 524 sold in the past six months, roughly 87 a month. At that pace, there are about 1.2 months of supply, which is generally considered a seller's market. The median asking price was $469,900, about $271 per square foot, for a median of 1,585 square feet. That price was $4,951 above the $464,949 median for all active listings in Arlington Heights, across every property type. The middle half of the listings fell between $269,000 and $687,000. The largest share of these listings was in Dana Point and Mallard Cove. If you're buying, it pays to be ready when a new listing comes up. If you're selling, low supply is working in your favor.

Homes with ADU in Arlington Heights, IL, October 20, 2026
MeasureValue
Active listings103
All active listings in Arlington Heights, every property type105
Under contract82
Sold, past six months524
Months of supply1.2
Median list price$469,900
Middle half of list prices$269,000 to $687,000
Median list price, all Arlington Heights listings$464,949
Median price per square foot$271
Median square feet1,585
Median days on market24

Arlington Heights subdivisions with the most active homes with ADU

  • Dana Point: 3 active
  • Mallard Cove: 3 active

Homes with ADU in other cities

Market questions

How many Arlington Heights homes with ADU are for sale?

There were 103 Arlington Heights homes with ADU for sale as of October 20, 2026, based on Chicago Real Estate Source's review of MLS data.

What do Arlington Heights homes with ADU typically list for?

The median list price of Arlington Heights homes with ADU was $469,900 as of October 20, 2026.

What is the typical price range for Arlington Heights homes with ADU?

The middle half of active listings for Arlington Heights homes with ADU was priced between $269,000 and $687,000.

What is the typical price per square foot for Arlington Heights homes with ADU?

The median price per square foot for Arlington Heights homes with ADU was $271, for a median of 1,585 square feet.

What is the typical time on market for Arlington Heights homes with ADU?

The median listing for Arlington Heights homes with ADU had been on the market 24 days as of October 20, 2026.

How do Arlington Heights homes with ADU compare with other cities?

As of October 20, 2026, there were 103 Arlington Heights homes with ADU for sale. In the same search, Skokie had 96 homes with ADU for sale at a median list price of $487,450, Belmont Cragin had 2 homes with ADU for sale and Logan Square had 2 homes with ADU for sale.

Are Arlington Heights homes with ADU priced above or below the Arlington Heights median?

The median list price of Arlington Heights homes with ADU, $469,900, was $4,951 above the $464,949 median for all active listings in Arlington Heights, across every property type.

Listing data courtesy of Midwest Real Estate Data LLC.

Next Steps in Arlington Heights, IL

View All Arlington Heights IL Homes with ADU Listings

505 W Park Street, Arlington Heights
$606,000
3 Beds ⋅ 3 Baths ⋅ 12255822 MLS ⋅ CLOSED Status
Sellers are ready to sell!! Desirable Pioneer Park beauty with so much to offer! Stunning newly finished floors in the living room and dining room are a must to see. Come take a look at how many options there are in this spacious home!You're welcomed in through the covered front porch. Great potential to convert the "office" into a first floor bedroom. Many options with this versatile floor plan. Several of the rooms could serve multiple purposes as you need! The updated primary bedroom bath includes heated floor, a separate shower, dual separate sinks, water closet and custom bench seating. 2 closets including 1 walk in with a custom closet organizer provide an abundance of storage. All bedrooms and closets are uniquely large. Each closet includes custom organizers. Stunning quartz countertops compliment the cherry cabinets. Plenty of seating options with the breakfast bar and large table space/eating area overlooking the inviting family room with gas log fireplace. The formal living room has french doors leading to a room currently used as a dining rooms and could easily be converted to an additional family room or even a 5th bedroom! Sliding glass doors open to the 3 season room. The workout room in the basement had been the 4th bedroom but the doors were removed for easier access to exercise equipment. It can be easily converted back. Enjoy the outdoors overlooking the fully fenced backyard accented with lush easy to maintain gardens and patio. Back indoors, is another family room, a roomy laundry room and a workshop area in the basement. There is also an exterior exit allowing the area to include a 5th or 6th bedroom or possibly an ADU. Additional storage space can be had in the concrete finished crawl space. Fabulously located within minutes to the Metra train, highly sought after elementary and middle schools and downtown Arlington Heights. Easy access to downtown life with the charm and serenity of suburban living. Quick closing possible.

505 W Park Street, Arlington Heights

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