Real Estate Data API

21655 Preston

44 active listings out of 2.2K total properties we track in ZIP 21655 (Preston, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
44
Median
$354K
±0%
Sales (12mo)
57
Tracked
2.2K
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21655. Same company, same dataset, different resolution.

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Key Numbers
Tracked
2.2K
Active
44
Median list
$354K
Sales (12mo)
57
Get this data →
Key Numbers
Tracked
2.2K
Active
44
Median list
$354K
Sales (12mo)
57
Get this data →
Key Numbers
Tracked
2.2K
Active
44
Median list
$354K
Sales (12mo)
57
Get this data →
Key Numbers
Tracked
2.2K
Active
44
Median list
$354K
Sales (12mo)
57
Get this data →
Key Numbers
Tracked
2.2K
Active
44
Median list
$354K
Sales (12mo)
57

Inventory breakdown

Distribution of the 44 currently-active listings in ZIP 21655. Full dataset covers 2.2K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 13 (31%)
$300K–$500K 19 (45.2%)
$500K–$750K 5 (11.9%)
$750K–$1M 2 (4.8%)
$1M–$2M 1 (2.4%)
$2M+ 2 (4.8%)
Active by bedroom count
Studio/1 bd 2
2 bd 3
3 bd 27
4 bd 9
5+ bd 3
Active by property type
Single Family 42 (95.5%)
Manufactured 2 (4.5%)
For Developers

Get Preston 21655 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21655
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21655",
  "total_tracked": 2160,
  "active": 44,
  "median_list": 354450
}
Get an API key Read the docs

ZIP 21655 · Preston, MD real estate: market summary

As of June 2026, Straply tracks 2,160 homes in ZIP 21655 (Preston, MD), with 44 active for sale at a median list price of $354,450 (~$208/sq ft). Notably, it has notably historic housing — 18% of homes predate 1940.

Median list price
$354,450
Median $/sq ft
$208
Active listings
44
Properties tracked
2,160

Frequently asked: ZIP 21655 · Preston, MD real estate

What is the median home price in ZIP 21655?

The median list price in ZIP 21655 (Preston, MD) is $354,450 (about $208 per square foot), based on 44 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21655?

Active listings in ZIP 21655 (Preston, MD) concentrate in: 45% $300k–$500k and 31% under $300k.

How many homes are for sale in ZIP 21655?

Straply is tracking 44 active listings in ZIP 21655 (Preston, MD) out of 2,160 properties on record as of June 2026.

How old are the homes in ZIP 21655?

Most homes in ZIP 21655 (Preston, MD) were built in the 1990s. About 48% were built after 1980, while 18% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 21655?

ZIP 21655 (Preston, MD) is mostly single-family homes (96% of listings).

How many bedrooms do homes in ZIP 21655 typically have?

The most common size in ZIP 21655 (Preston, MD) is 3 bd.

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