Real Estate Data API

Union IA

14 active listings out of 612 total properties we track across 16 Union ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
14
Median
$206K
±0%
Sales (12mo)
8
Tracked
612
Zoomed out

While you're here, take in the bigger picture — maps below show Iowa (statewide), not just Union. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 14 currently-active listings in Union, IA. Full dataset covers 612 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 10 (71.4%)
$300K–$500K 4 (28.6%)
$500K–$750K 0 (0%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 6
3 bd 4
4 bd 1
5+ bd 0
Active by property type
Single Family 7 (50%)
Other 3 (21.4%)
Lot 2 (14.3%)
Manufactured 1 (7.1%)
Multi Family 1 (7.1%)

ZIP codes in Union

Drill into any ZIP for hex-level breakdowns.

50258
→
Active
14
Tracked
590
52644
→
Active
0
Tracked
4
50148
→
Active
0
Tracked
3
50259
→
Active
0
Tracked
2
52738
→
Active
0
Tracked
2
50005
→
Active
0
Tracked
1
50158
→
Active
0
Tracked
1
50220
→
Active
0
Tracked
1
50269
→
Active
0
Tracked
1
50528
→
Active
0
Tracked
1
50627
→
Active
0
Tracked
1
52156
→
Active
0
Tracked
1

Nearby cities

Other Iowa cities within driving distance.

Conrad
8.4 mi away
Active: 63
Eldora
10.5 mi away
Active: 80
Zearing
13.5 mi away
Active: 17
Marshalltown
13.9 mi away
Active: 327
Hubbard
14.3 mi away
Active: 21
State Center
15.2 mi away
Active: 33
Wellsburg
16.8 mi away
Active: 19
Grundy Center
17 mi away
Active: 75
For Developers

Get Union, IA data in your app

curl
request 
GET https://api.straply.com/v1/markets/city/union-ia
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "city": "union-ia",
  "total_tracked": 612,
  "active": 14,
  "median_list": 206400
}
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Union, IA real estate: market summary

As of November 2026, Straply tracks 612 homes in Union, IA, with 14 active for sale at a median list price of $206,400 (~$149/sq ft). Notably, it has notably historic housing — 46% of homes predate 1940.

Median list price
$206,400
Median $/sq ft
$149
Active listings
14
Properties tracked
612

Frequently asked: Union, IA real estate

What is the median home price in Union?

The median list price in Union, IA is $206,400 (about $149 per square foot), based on 14 active listings tracked by Straply as of November 2026.

What price range are homes in Union?

Active listings in Union, IA concentrate in: 71% under $300k and 29% $300k–$500k.

How many homes are for sale in Union?

Straply is tracking 14 active listings in Union, IA out of 612 properties on record as of November 2026.

How old are the homes in Union?

Most homes in Union, IA were built in the 1900s. About 26% were built after 1980, while 46% predate 1940. The newest tracked home dates to 2024.

What types of homes are in Union?

Union, IA is mostly single-family homes (50% of listings). Also common: other 21%, lots / land 14%.

How many bedrooms do homes in Union typically have?

The most common size in Union, IA is 2 bd.

What areas are near Union?

Nearby markets Straply also tracks include Conrad, Eldora, Zearing, Marshalltown.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.