Real Estate Data API

21104 Marriottsville

28 active listings out of 2.3K total properties we track in ZIP 21104 (Marriottsville, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
28
Median
$859K
±0%
Sales (12mo)
85
Tracked
2.3K
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21104. Same company, same dataset, different resolution.

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Key Numbers
Tracked
2.3K
Active
28
Median list
$859K
Sales (12mo)
85
Get this data →
Key Numbers
Tracked
2.3K
Active
28
Median list
$859K
Sales (12mo)
85
Get this data →
Key Numbers
Tracked
2.3K
Active
28
Median list
$859K
Sales (12mo)
85
Get this data →
Key Numbers
Tracked
2.3K
Active
28
Median list
$859K
Sales (12mo)
85
Get this data →
Key Numbers
Tracked
2.3K
Active
28
Median list
$859K
Sales (12mo)
85

Inventory breakdown

Distribution of the 28 currently-active listings in ZIP 21104. Full dataset covers 2.3K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 3 (11.1%)
$500K–$750K 7 (25.9%)
$750K–$1M 10 (37%)
$1M–$2M 7 (25.9%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 3
3 bd 6
4 bd 13
5+ bd 5
Active by property type
Single Family 22 (78.6%)
Townhouse 3 (10.7%)
Condo 3 (10.7%)
For Developers

Get Marriottsville 21104 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21104
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21104",
  "total_tracked": 2323,
  "active": 28,
  "median_list": 859000
}
Get an API key Read the docs

ZIP 21104 · Marriottsville, MD real estate: market summary

As of June 2026, Straply tracks 2,323 homes in ZIP 21104 (Marriottsville, MD), with 28 active for sale at a median list price of $859,000 (~$248/sq ft). Notably, most homes were built in the 2010s.

Median list price
$859,000
Median $/sq ft
$248
Active listings
28
Properties tracked
2,323

Frequently asked: ZIP 21104 · Marriottsville, MD real estate

What is the median home price in ZIP 21104?

The median list price in ZIP 21104 (Marriottsville, MD) is $859,000 (about $248 per square foot), based on 28 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21104?

Active listings in ZIP 21104 (Marriottsville, MD) concentrate in: 37% $750k–$1m and 26% $500k–$750k.

How many homes are for sale in ZIP 21104?

Straply is tracking 28 active listings in ZIP 21104 (Marriottsville, MD) out of 2,323 properties on record as of June 2026.

How old are the homes in ZIP 21104?

Most homes in ZIP 21104 (Marriottsville, MD) were built in the 2010s. About 78% were built after 1980, while 4% predate 1940. The newest tracked home dates to 2025.

What types of homes are in ZIP 21104?

ZIP 21104 (Marriottsville, MD) is mostly single-family homes (79% of listings). Also common: townhouses 11%, condos 11%.

How many bedrooms do homes in ZIP 21104 typically have?

The most common size in ZIP 21104 (Marriottsville, MD) is 4 bd.

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