21821 Deal Island
49 active listings out of 885 total properties we track in ZIP 21821 (Deal Island, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Deal Island 21821 property data
883 property records for ZIP 21821 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 123 KB Parquet · CSV (155 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 21821. Same company, same dataset, different resolution.
- Tracked
- 885
- Active
- 49
- Median list
- $120K
- Sales (12mo)
- 22
- Tracked
- 885
- Active
- 49
- Median list
- $120K
- Sales (12mo)
- 22
- Tracked
- 885
- Active
- 49
- Median list
- $120K
- Sales (12mo)
- 22
- Tracked
- 885
- Active
- 49
- Median list
- $120K
- Sales (12mo)
- 22
- Tracked
- 885
- Active
- 49
- Median list
- $120K
- Sales (12mo)
- 22
Inventory breakdown
Distribution of the 49 currently-active listings in ZIP 21821. Full dataset covers 885 properties — listings, off-market homes, rentals, and full history.
Get Deal Island 21821 data in your app
GET https://api.straply.com/v1/markets/zip/21821
Authorization: Bearer $STRAPLY_KEY{
"zip": "21821",
"total_tracked": 885,
"active": 49,
"median_list": 119900
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21821.
ZIP 21821 · Deal Island, MD real estate: market summary
As of November 2026, Straply tracks 885 homes in ZIP 21821 (Deal Island, MD), with 49 active for sale at a median list price of $119,900 (~$148/sq ft). Notably, it has notably historic housing — 28% of homes predate 1940.
- Median list price
- $119,900
- Median $/sq ft
- $148
- Active listings
- 49
- Median sale price
- $25,000
- Properties tracked
- 885
Frequently asked: ZIP 21821 · Deal Island, MD real estate
What is the median home price in ZIP 21821?
The median list price in ZIP 21821 (Deal Island, MD) is $119,900 (about $148 per square foot), based on 49 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21821?
Active listings in ZIP 21821 (Deal Island, MD) concentrate in: 86% under $300k and 6% $300k–$500k.
How many homes are for sale in ZIP 21821?
Straply is tracking 49 active listings in ZIP 21821 (Deal Island, MD) out of 885 properties on record as of November 2026.
How old are the homes in ZIP 21821?
Most homes in ZIP 21821 (Deal Island, MD) were built in the 1970s. About 35% were built after 1980, while 28% predate 1940. The newest tracked home dates to 2025.
What types of homes are in ZIP 21821?
ZIP 21821 (Deal Island, MD) is mostly single-family homes (53% of listings). Also common: lots / land 39%.
How many bedrooms do homes in ZIP 21821 typically have?
The most common size in ZIP 21821 (Deal Island, MD) is 3 bd.
What areas are near ZIP 21821?
Nearby markets Straply also tracks include Tyaskin 21865, Bivalve 21814, Nanticoke 21840, Upper Fairmount 21867.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.