Real Estate Data API

19539 Mertztown

19 active listings out of 2K total properties we track in ZIP 19539 (Mertztown, PA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
19
Median
$300K
±0%
Sales (12mo)
47
Tracked
2K
Zoomed out

While you're here, take in the bigger picture — maps below show Pennsylvania (statewide), not just 19539. Same company, same dataset, different resolution.

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Key Numbers
Tracked
2K
Active
19
Median list
$300K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
2K
Active
19
Median list
$300K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
2K
Active
19
Median list
$300K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
2K
Active
19
Median list
$300K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
2K
Active
19
Median list
$300K
Sales (12mo)
47

Inventory breakdown

Distribution of the 19 currently-active listings in ZIP 19539. Full dataset covers 2K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 10 (52.6%)
$300K–$500K 4 (21.1%)
$500K–$750K 3 (15.8%)
$750K–$1M 2 (10.5%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 6
3 bd 6
4 bd 3
5+ bd 4
Active by property type
Single Family 10 (52.6%)
Manufactured 7 (36.8%)
Multi Family 2 (10.5%)
For Developers

Get Mertztown 19539 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/19539
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "19539",
  "total_tracked": 2035,
  "active": 19,
  "median_list": 299900
}
Get an API key Read the docs

ZIP 19539 · Mertztown, PA real estate: market summary

As of June 2026, Straply tracks 2,035 homes in ZIP 19539 (Mertztown, PA), with 19 active for sale at a median list price of $299,900 (~$129/sq ft). Notably, it has notably historic housing — 26% of homes predate 1940.

Median list price
$299,900
Median $/sq ft
$129
Active listings
19
Properties tracked
2,035

Frequently asked: ZIP 19539 · Mertztown, PA real estate

What is the median home price in ZIP 19539?

The median list price in ZIP 19539 (Mertztown, PA) is $299,900 (about $129 per square foot), based on 19 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 19539?

Active listings in ZIP 19539 (Mertztown, PA) concentrate in: 53% under $300k and 21% $300k–$500k.

How many homes are for sale in ZIP 19539?

Straply is tracking 19 active listings in ZIP 19539 (Mertztown, PA) out of 2,035 properties on record as of June 2026.

How old are the homes in ZIP 19539?

Most homes in ZIP 19539 (Mertztown, PA) were built in the 1990s. About 43% were built after 1980, while 26% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 19539?

ZIP 19539 (Mertztown, PA) is mostly single-family homes (53% of listings). Also common: manufactured homes 37%, multi-family homes 10%.

How many bedrooms do homes in ZIP 19539 typically have?

The most common size in ZIP 19539 (Mertztown, PA) is 2 bd.

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