Real Estate Data API

21778 Rocky Ridge

1 active listings out of 441 total properties we track in ZIP 21778 (Rocky Ridge, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
1
Median
$725K
±0%
Sales (12mo)
7
Tracked
441
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21778. Same company, same dataset, different resolution.

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Key Numbers
Tracked
441
Active
1
Median list
$725K
Sales (12mo)
7
Get this data →
Key Numbers
Tracked
441
Active
1
Median list
$725K
Sales (12mo)
7
Get this data →
Key Numbers
Tracked
441
Active
1
Median list
$725K
Sales (12mo)
7
Get this data →
Key Numbers
Tracked
441
Active
1
Median list
$725K
Sales (12mo)
7
Get this data →
Key Numbers
Tracked
441
Active
1
Median list
$725K
Sales (12mo)
7

Inventory breakdown

Distribution of the 1 currently-active listings in ZIP 21778. Full dataset covers 441 properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 0 (0%)
$500K–$750K 1 (100%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 0
3 bd 1
4 bd 0
5+ bd 0
Active by property type
Single Family 1 (100%)
For Developers

Get Rocky Ridge 21778 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21778
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21778",
  "total_tracked": 441,
  "active": 1,
  "median_list": 725000
}
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ZIP 21778 · Rocky Ridge, MD real estate: market summary

As of June 2026, Straply tracks 441 homes in ZIP 21778 (Rocky Ridge, MD), with 1 active for sale at a median list price of $725,000 (~$629/sq ft). Notably, it has notably historic housing — 36% of homes predate 1940.

Median list price
$725,000
Median $/sq ft
$629
Active listings
1
Properties tracked
441

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 $725,000 (about $629 per square foot), based on 1 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21778?

Active listings in ZIP 21778 (Rocky Ridge, MD) concentrate in: 100% $500k–$750k.

How many homes are for sale in ZIP 21778?

Straply is tracking 1 active listings in ZIP 21778 (Rocky Ridge, MD) out of 441 properties on record as of June 2026.

How old are the homes in ZIP 21778?

Most homes in ZIP 21778 (Rocky Ridge, MD) were built in the 1970s. About 32% were built after 1980, while 36% predate 1940. The newest tracked home dates to 2023.

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.

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