21778 Rocky Ridge
2 active listings out of 454 total properties we track in ZIP 21778 (Rocky Ridge, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Rocky Ridge 21778 property data
453 property records for ZIP 21778 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Monthly snapshot · 66 KB Parquet · CSV (83 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 21778. Same company, same dataset, different resolution.
- Tracked
- 454
- Active
- 2
- Median list
- $435K
- Sales (12mo)
- 4
- Tracked
- 454
- Active
- 2
- Median list
- $435K
- Sales (12mo)
- 4
- Tracked
- 454
- Active
- 2
- Median list
- $435K
- Sales (12mo)
- 4
- Tracked
- 454
- Active
- 2
- Median list
- $435K
- Sales (12mo)
- 4
- Tracked
- 454
- Active
- 2
- Median list
- $435K
- Sales (12mo)
- 4
Inventory breakdown
Distribution of the 2 currently-active listings in ZIP 21778. Full dataset covers 454 properties — listings, off-market homes, rentals, and full history.
Get Rocky Ridge 21778 data in your app
GET https://api.straply.com/v1/markets/zip/21778
Authorization: Bearer $STRAPLY_KEY{
"zip": "21778",
"total_tracked": 454,
"active": 2,
"median_list": 434900
}Nearby ZIP codes
Other Maryland ZIPs within a short drive of 21778.
ZIP 21778 · Rocky Ridge, MD real estate: market summary
As of November 2026, Straply tracks 454 homes in ZIP 21778 (Rocky Ridge, MD), with 2 active for sale at a median list price of $434,900 (~$239/sq ft). Notably, it has notably historic housing — 36% of homes predate 1940.
- Median list price
- $434,900
- Median $/sq ft
- $239
- Active listings
- 2
- Properties tracked
- 454
Frequently asked: ZIP 21778 · Rocky Ridge, MD real estate
What is the median home price in ZIP 21778?
The median list price in ZIP 21778 (Rocky Ridge, MD) is $434,900 (about $239 per square foot), based on 2 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 21778?
Active listings in ZIP 21778 (Rocky Ridge, MD) concentrate in: 100% $300k–$500k.
How many homes are for sale in ZIP 21778?
Straply is tracking 2 active listings in ZIP 21778 (Rocky Ridge, MD) out of 454 properties on record as of November 2026.
How old are the homes in ZIP 21778?
Most homes in ZIP 21778 (Rocky Ridge, MD) were built in the 1970s. About 33% were built after 1980, while 36% predate 1940. The newest tracked home dates to 2026.
What types of homes are in ZIP 21778?
ZIP 21778 (Rocky Ridge, MD) is mostly single-family homes (100% of listings).
How many bedrooms do homes in ZIP 21778 typically have?
The most common size in ZIP 21778 (Rocky Ridge, MD) is 3 bd.
What areas are near ZIP 21778?
Nearby markets Straply also tracks include Keymar 21757, Thurmont 21788, Woodsboro 21798, Emmitsburg 21727.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.