Real Estate Data API

78631 Harper

423 active listings out of 3.3K total properties we track in ZIP 78631 (Harper, TX) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
423
Median
$340K
±0%
Sold Sep
1
-66.7%
Tracked
3.3K
Zoomed out

While you're here, take in the bigger picture — maps below show Texas (statewide), not just 78631. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
3.3K
Active
423
Median list
$340K
Sales (12mo)
50
Get this data →
Key Numbers
Tracked
3.3K
Active
423
Median list
$340K
Sales (12mo)
50
Get this data →
Key Numbers
Tracked
3.3K
Active
423
Median list
$340K
Sales (12mo)
50
Get this data →
Key Numbers
Tracked
3.3K
Active
423
Median list
$340K
Sales (12mo)
50
Get this data →
Key Numbers
Tracked
3.3K
Active
423
Median list
$340K
Sales (12mo)
50

Inventory breakdown

Distribution of the 423 currently-active listings in ZIP 78631. Full dataset covers 3.3K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 182 (43.1%)
$300K–$500K 91 (21.6%)
$500K–$750K 55 (13%)
$750K–$1M 20 (4.7%)
$1M–$2M 42 (10%)
$2M+ 32 (7.6%)
Active by bedroom count
Studio/1 bd 55
2 bd 19
3 bd 48
4 bd 30
5+ bd 21
Active by property type
Single Family 191 (45.2%)
Lot 183 (43.3%)
Other 36 (8.5%)
Manufactured 10 (2.4%)
Multi Family 3 (0.7%)
For Developers

Get Harper 78631 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/78631
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "78631",
  "total_tracked": 3341,
  "active": 423,
  "median_list": 340002
}
Get an API key Read the docs

Nearby ZIP codes

Other Texas ZIPs within a short drive of 78631.

78058
→
Mountain Home 78058
13.2 mi away 122 active
78618
→
Doss 78618
13.5 mi away 21 active
78025
→
Ingram 78025
14.5 mi away 160 active
78024
→
Hunt 78024
17.2 mi away 150 active
78028
→
Kerrville 78028
18.2 mi away 1.7K active
78624
→
Fredericksburg 78624
23.2 mi away 2K active
78010
→
Center Point 78010
28.1 mi away 171 active
76854
→
London 76854
29.1 mi away 31 active
Looking for more? Explore Harper

ZIP 78631 · Harper, TX real estate: market summary

As of November 2026, Straply tracks 3,341 homes in ZIP 78631 (Harper, TX), with 423 active for sale at a median list price of $340,002 (~$350/sq ft). Notably, most homes were built in the 2000s.

Median list price
$340,002
Median $/sq ft
$350
Active listings
423
Properties tracked
3,341

Frequently asked: ZIP 78631 · Harper, TX real estate

What is the median home price in ZIP 78631?

The median list price in ZIP 78631 (Harper, TX) is $340,002 (about $350 per square foot), based on 423 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 78631?

Active listings in ZIP 78631 (Harper, TX) concentrate in: 43% under $300k and 22% $300k–$500k.

How many homes are for sale in ZIP 78631?

Straply is tracking 423 active listings in ZIP 78631 (Harper, TX) out of 3,341 properties on record as of November 2026.

How old are the homes in ZIP 78631?

Most homes in ZIP 78631 (Harper, TX) were built in the 2000s. About 79% were built after 1980, while 8% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 78631?

ZIP 78631 (Harper, TX) is mostly single-family homes (45% of listings). Also common: lots / land 43%, other 8%.

How many bedrooms do homes in ZIP 78631 typically have?

The most common size in ZIP 78631 (Harper, TX) is Studio/1 bd.

What areas are near ZIP 78631?

Nearby markets Straply also tracks include Mountain Home 78058, Doss 78618, Ingram 78025, Hunt 78024.

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