Real Estate Data API

78578 Port Isabel

322 active listings out of 7K total properties we track in ZIP 78578 (Port Isabel, TX) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
322
Median
$335K
±0%
Sold/mo
1
-91.7%
Tracked
7K
Zoomed out

While you're here, take in the bigger picture — maps below show Texas (statewide), not just 78578. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
7K
Active
322
Median list
$335K
Sales (12mo)
226
Get this data →
Key Numbers
Tracked
7K
Active
322
Median list
$335K
Sales (12mo)
226
Get this data →
Key Numbers
Tracked
7K
Active
322
Median list
$335K
Sales (12mo)
226
Get this data →
Key Numbers
Tracked
7K
Active
322
Median list
$335K
Sales (12mo)
226
Get this data →
Key Numbers
Tracked
7K
Active
322
Median list
$335K
Sales (12mo)
226

Inventory breakdown

Distribution of the 322 currently-active listings in ZIP 78578. Full dataset covers 7K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 136 (42.5%)
$300K–$500K 114 (35.6%)
$500K–$750K 52 (16.2%)
$750K–$1M 11 (3.4%)
$1M–$2M 5 (1.6%)
$2M+ 2 (0.6%)
Active by bedroom count
Studio/1 bd 32
2 bd 114
3 bd 126
4 bd 33
5+ bd 13
Active by property type
Single Family 204 (63.4%)
Townhouse 51 (15.8%)
Condo 49 (15.2%)
Manufactured 9 (2.8%)
Multi Family 5 (1.6%)
Lot 4 (1.2%)
For Developers

Get Port Isabel 78578 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/78578
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "78578",
  "total_tracked": 7029,
  "active": 322,
  "median_list": 335000
}
Get an API key Read the docs

ZIP 78578 · Port Isabel, TX real estate: market summary

As of June 2026, Straply tracks 7,029 homes in ZIP 78578 (Port Isabel, TX), with 322 active for sale at a median list price of $335,000 (~$246/sq ft). Notably, most homes were built in the 2000s.

Median list price
$335,000
Median $/sq ft
$246
Active listings
322
Properties tracked
7,029

Frequently asked: ZIP 78578 · Port Isabel, TX real estate

What is the median home price in ZIP 78578?

The median list price in ZIP 78578 (Port Isabel, TX) is $335,000 (about $246 per square foot), based on 322 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 78578?

Active listings in ZIP 78578 (Port Isabel, TX) concentrate in: 42% under $300k and 36% $300k–$500k.

How many homes are for sale in ZIP 78578?

Straply is tracking 322 active listings in ZIP 78578 (Port Isabel, TX) out of 7,029 properties on record as of June 2026.

How old are the homes in ZIP 78578?

Most homes in ZIP 78578 (Port Isabel, TX) were built in the 2000s. About 78% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 78578?

ZIP 78578 (Port Isabel, TX) is mostly single-family homes (63% of listings). Also common: townhouses 16%, condos 15%.

How many bedrooms do homes in ZIP 78578 typically have?

The most common size in ZIP 78578 (Port Isabel, TX) is 3 bd.

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