21520 Accident
20 active listings out of 1.1K total properties we track in ZIP 21520 (Accident, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Accident 21520 property data
1,142 property records for ZIP 21520 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 137 KB Parquet · CSV (196 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 21520. Same company, same dataset, different resolution.
- Tracked
- 1.1K
- Active
- 20
- Median list
- $485K
- Sales (12mo)
- 30
- Tracked
- 1.1K
- Active
- 20
- Median list
- $485K
- Sales (12mo)
- 30
- Tracked
- 1.1K
- Active
- 20
- Median list
- $485K
- Sales (12mo)
- 30
- Tracked
- 1.1K
- Active
- 20
- Median list
- $485K
- Sales (12mo)
- 30
- Tracked
- 1.1K
- Active
- 20
- Median list
- $485K
- Sales (12mo)
- 30
Inventory breakdown
Distribution of the 20 currently-active listings in ZIP 21520. Full dataset covers 1.1K properties — listings, off-market homes, rentals, and full history.
Get Accident 21520 data in your app
GET https://api.straply.com/v1/markets/zip/21520
Authorization: Bearer $STRAPLY_KEY{
"zip": "21520",
"total_tracked": 1148,
"active": 20,
"median_list": 484700
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21520.
ZIP 21520 · Accident, MD real estate: market summary
As of November 2026, Straply tracks 1,148 homes in ZIP 21520 (Accident, MD), with 20 active for sale at a median list price of $484,700 (~$203/sq ft). Notably, the market is cooling — the median sale price is down 40% year over year.
- Median list price
- $484,700
- Median $/sq ft
- $203
- Active listings
- 20
- Median sale price
- $245,000 (-40% YoY)
- Properties tracked
- 1,148
Frequently asked: ZIP 21520 · Accident, MD real estate
What is the median home price in ZIP 21520?
The median list price in ZIP 21520 (Accident, MD) is $484,700 (about $203 per square foot), based on 20 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21520?
Active listings in ZIP 21520 (Accident, MD) concentrate in: 37% under $300k and 26% $750k–$1m.
Are home prices in ZIP 21520 going up or down?
The median sale price is $245,000, down 40% year over year. Straply tracked 30 sales here over the past 12 months.
How many homes are for sale in ZIP 21520?
Straply is tracking 20 active listings in ZIP 21520 (Accident, MD) out of 1,148 properties on record as of November 2026.
How old are the homes in ZIP 21520?
Most homes in ZIP 21520 (Accident, MD) were built in the 1990s. About 57% were built after 1980, while 17% predate 1940. The newest tracked home dates to 2026.
What types of homes are in ZIP 21520?
ZIP 21520 (Accident, MD) is mostly single-family homes (70% of listings). Also common: lots / land 25%, other 5%.
How many bedrooms do homes in ZIP 21520 typically have?
The most common size in ZIP 21520 (Accident, MD) is 3 bd.
What areas are near ZIP 21520?
Nearby markets Straply also tracks include Mc Henry 21541, Grantsville 21536, Friendsville 21531, Swanton 21561.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.