Real Estate Data API

78578 Port Isabel

533 active listings out of 7.5K 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
533
Median
$315K
±0%
Sold Sep
17
+54.5%
Tracked
7.5K
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
7.5K
Active
533
Median list
$315K
Sales (12mo)
210
Get this data →
Key Numbers
Tracked
7.5K
Active
533
Median list
$315K
Sales (12mo)
210
Get this data →
Key Numbers
Tracked
7.5K
Active
533
Median list
$315K
Sales (12mo)
210
Get this data →
Key Numbers
Tracked
7.5K
Active
533
Median list
$315K
Sales (12mo)
210
Get this data →
Key Numbers
Tracked
7.5K
Active
533
Median list
$315K
Sales (12mo)
210

Inventory breakdown

Distribution of the 533 currently-active listings in ZIP 78578. Full dataset covers 7.5K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 249 (46.9%)
$300K–$500K 175 (33%)
$500K–$750K 62 (11.7%)
$750K–$1M 26 (4.9%)
$1M–$2M 14 (2.6%)
$2M+ 5 (0.9%)
Active by bedroom count
Studio/1 bd 48
2 bd 154
3 bd 210
4 bd 38
5+ bd 17
Active by property type
Single Family 295 (55.3%)
Condo 77 (14.4%)
Townhouse 75 (14.1%)
Lot 65 (12.2%)
Multi Family 9 (1.7%)
Manufactured 6 (1.1%)
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": 7460,
  "active": 533,
  "median_list": 315000
}
Get an API key Read the docs

Nearby ZIP codes

Other Texas ZIPs within a short drive of 78578.

78597
→
South Padre Island 78597
5.2 mi away 1.1K active
78566
→
Los Fresnos 78566
14.4 mi away 411 active
78526
→
Brownsville 78526
16.4 mi away 813 active
78521
→
Brownsville 78521
17.1 mi away 841 active
78575
→
Rancho Viejo 78575
18.9 mi away 129 active
78568
→
Lozano 78568
19.3 mi away 7 active
78520
→
Brownsville 78520
19.8 mi away 785 active
78583
→
Rio Hondo 78583
20.8 mi away 188 active
Looking for more? Explore Port Isabel

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

As of November 2026, Straply tracks 7,460 homes in ZIP 78578 (Port Isabel, TX), with 533 active for sale at a median list price of $315,000 (~$248/sq ft). Notably, most homes were built in the 2000s.

Median list price
$315,000
Median $/sq ft
$248
Active listings
533
Properties tracked
7,460

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 $315,000 (about $248 per square foot), based on 533 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 78578?

Active listings in ZIP 78578 (Port Isabel, TX) concentrate in: 47% under $300k and 33% $300k–$500k.

How many homes are for sale in ZIP 78578?

Straply is tracking 533 active listings in ZIP 78578 (Port Isabel, TX) out of 7,460 properties on record as of November 2026.

How old are the homes in ZIP 78578?

Most homes in ZIP 78578 (Port Isabel, TX) were built in the 2000s. About 79% 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 (55% of listings). Also common: condos 14%, townhouses 14%.

How many bedrooms do homes in ZIP 78578 typically have?

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

What areas are near ZIP 78578?

Nearby markets Straply also tracks include South Padre Island 78597, Los Fresnos 78566, Brownsville 78526, Brownsville 78521.

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