Real Estate Data API

21555 Oldtown

6 active listings out of 942 total properties we track in ZIP 21555 (Oldtown, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
6
Median
$225K
±0%
Sales (12mo)
20
Tracked
942
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21555. Same company, same dataset, different resolution.

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Key Numbers
Tracked
942
Active
6
Median list
$225K
Sales (12mo)
20
Get this data →
Key Numbers
Tracked
942
Active
6
Median list
$225K
Sales (12mo)
20
Get this data →
Key Numbers
Tracked
942
Active
6
Median list
$225K
Sales (12mo)
20
Get this data →
Key Numbers
Tracked
942
Active
6
Median list
$225K
Sales (12mo)
20
Get this data →
Key Numbers
Tracked
942
Active
6
Median list
$225K
Sales (12mo)
20

Inventory breakdown

Distribution of the 6 currently-active listings in ZIP 21555. Full dataset covers 942 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 4 (80%)
$300K–$500K 1 (20%)
$500K–$750K 0 (0%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 1
3 bd 2
4 bd 1
5+ bd 1
Active by property type
Single Family 6 (100%)
For Developers

Get Oldtown 21555 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21555
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21555",
  "total_tracked": 942,
  "active": 6,
  "median_list": 225000
}
Get an API key Read the docs

ZIP 21555 · Oldtown, MD real estate: market summary

As of June 2026, Straply tracks 942 homes in ZIP 21555 (Oldtown, MD), with 6 active for sale at a median list price of $225,000 (~$159/sq ft). Notably, most homes were built in the 2000s.

Median list price
$225,000
Median $/sq ft
$159
Active listings
6
Properties tracked
942

Frequently asked: ZIP 21555 · Oldtown, MD real estate

What is the median home price in ZIP 21555?

The median list price in ZIP 21555 (Oldtown, MD) is $225,000 (about $159 per square foot), based on 6 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21555?

Active listings in ZIP 21555 (Oldtown, MD) concentrate in: 80% under $300k and 20% $300k–$500k.

How many homes are for sale in ZIP 21555?

Straply is tracking 6 active listings in ZIP 21555 (Oldtown, MD) out of 942 properties on record as of June 2026.

How old are the homes in ZIP 21555?

Most homes in ZIP 21555 (Oldtown, MD) were built in the 2000s. About 44% were built after 1980, while 14% predate 1940. The newest tracked home dates to 2024.

What types of homes are in ZIP 21555?

ZIP 21555 (Oldtown, MD) is mostly single-family homes (100% of listings).

How many bedrooms do homes in ZIP 21555 typically have?

The most common size in ZIP 21555 (Oldtown, MD) is 3 bd.

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