21521 Barton
14 active listings out of 651 total properties we track in ZIP 21521 (Barton, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Barton 21521 property data
648 property records for ZIP 21521 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 83 KB Parquet · CSV (111 KB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21521. Same company, same dataset, different resolution.
- Tracked
- 651
- Active
- 14
- Median list
- $145K
- Sales (12mo)
- 11
- Tracked
- 651
- Active
- 14
- Median list
- $145K
- Sales (12mo)
- 11
- Tracked
- 651
- Active
- 14
- Median list
- $145K
- Sales (12mo)
- 11
- Tracked
- 651
- Active
- 14
- Median list
- $145K
- Sales (12mo)
- 11
- Tracked
- 651
- Active
- 14
- Median list
- $145K
- Sales (12mo)
- 11
Inventory breakdown
Distribution of the 14 currently-active listings in ZIP 21521. Full dataset covers 651 properties — listings, off-market homes, rentals, and full history.
Get Barton 21521 data in your app
GET https://api.straply.com/v1/markets/zip/21521
Authorization: Bearer $STRAPLY_KEY{
"zip": "21521",
"total_tracked": 651,
"active": 14,
"median_list": 145000
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21521.
ZIP 21521 · Barton, MD real estate: market summary
As of November 2026, Straply tracks 651 homes in ZIP 21521 (Barton, MD), with 14 active for sale at a median list price of $145,000 (~$78/sq ft). Notably, it has notably historic housing — 48% of homes predate 1940.
- Median list price
- $145,000
- Median $/sq ft
- $78
- Active listings
- 14
- Median sale price
- $218,000 (+14% YoY)
- Properties tracked
- 651
Frequently asked: ZIP 21521 · Barton, MD real estate
What is the median home price in ZIP 21521?
The median list price in ZIP 21521 (Barton, MD) is $145,000 (about $78 per square foot), based on 14 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21521?
Active listings in ZIP 21521 (Barton, MD) concentrate in: 85% under $300k and 15% $1m–$2m.
Are home prices in ZIP 21521 going up or down?
The median sale price is $218,000, up 14% year over year. Straply tracked 11 sales here over the past 12 months.
How many homes are for sale in ZIP 21521?
Straply is tracking 14 active listings in ZIP 21521 (Barton, MD) out of 651 properties on record as of November 2026.
How old are the homes in ZIP 21521?
Most homes in ZIP 21521 (Barton, MD) were built in the 1920s. About 20% were built after 1980, while 48% predate 1940. The newest tracked home dates to 2018.
What types of homes are in ZIP 21521?
ZIP 21521 (Barton, MD) is mostly single-family homes (93% of listings). Also common: manufactured homes 7%.
How many bedrooms do homes in ZIP 21521 typically have?
The most common size in ZIP 21521 (Barton, MD) is 4 bd.
What areas are near ZIP 21521?
Nearby markets Straply also tracks include Bloomington 21523, Westernport 21562, Lonaconing 21539, Swanton 21561.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.