Real Estate Data API

21555 Oldtown

21 active listings out of 1K 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
21
Median
$335K
-72.7%
Sold Sep
1
-66.7%
Tracked
1K

Download Oldtown 21555 property data

1,047 property records for ZIP 21555 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 130 KB Parquet · CSV (181 KB)

Records keep changing after a snapshot is compiled.

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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
1K
Active
21
Median list
$335K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
1K
Active
21
Median list
$335K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
1K
Active
21
Median list
$335K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
1K
Active
21
Median list
$335K
Sales (12mo)
18
Get this data →
Key Numbers
Tracked
1K
Active
21
Median list
$335K
Sales (12mo)
18

Inventory breakdown

Distribution of the 21 currently-active listings in ZIP 21555. Full dataset covers 1K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 9 (45%)
$300K–$500K 2 (10%)
$500K–$750K 4 (20%)
$750K–$1M 2 (10%)
$1M–$2M 3 (15%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 2
3 bd 7
4 bd 3
5+ bd 2
Active by property type
Single Family 13 (61.9%)
Lot 6 (28.6%)
Other 1 (4.8%)
Manufactured 1 (4.8%)
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": 1049,
  "active": 21,
  "median_list": 335000
}

ZIP 21555 · Oldtown, MD real estate: market summary

As of November 2026, Straply tracks 1,049 homes in ZIP 21555 (Oldtown, MD), with 21 active for sale at a median list price of $335,000 (~$178/sq ft). Notably, most homes were built in the 2000s.

Median list price
$335,000
Median $/sq ft
$178
Active listings
21
Median sale price
$62,000
Properties tracked
1,049

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 $335,000 (about $178 per square foot), based on 21 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21555?

Active listings in ZIP 21555 (Oldtown, MD) concentrate in: 45% under $300k and 20% $500k–$750k.

How many homes are for sale in ZIP 21555?

Straply is tracking 21 active listings in ZIP 21555 (Oldtown, MD) out of 1,049 properties on record as of November 2026.

How old are the homes in ZIP 21555?

Most homes in ZIP 21555 (Oldtown, MD) were built in the 2000s. About 45% 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 (62% of listings). Also common: lots / land 29%.

How many bedrooms do homes in ZIP 21555 typically have?

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

What areas are near ZIP 21555?

Nearby markets Straply also tracks include Flintstone 21530, Cumberland 21502, Corriganville 21524, Ellerslie 21529.

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