Real Estate Data API

21104 Marriottsville

40 active listings out of 2.6K 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
40
Median
$865K
-30.8%
Sold Sep
4
-55.6%
Tracked
2.6K

Download Marriottsville 21104 property data

2,560 property records for ZIP 21104 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 312 KB Parquet · CSV (483 KB)

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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
2.6K
Active
40
Median list
$865K
Sales (12mo)
66
Get this data →
Key Numbers
Tracked
2.6K
Active
40
Median list
$865K
Sales (12mo)
66
Get this data →
Key Numbers
Tracked
2.6K
Active
40
Median list
$865K
Sales (12mo)
66
Get this data →
Key Numbers
Tracked
2.6K
Active
40
Median list
$865K
Sales (12mo)
66
Get this data →
Key Numbers
Tracked
2.6K
Active
40
Median list
$865K
Sales (12mo)
66

Inventory breakdown

Distribution of the 40 currently-active listings in ZIP 21104. Full dataset covers 2.6K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 3 (7.7%)
$500K–$750K 10 (25.6%)
$750K–$1M 12 (30.8%)
$1M–$2M 14 (35.9%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 5
3 bd 7
4 bd 14
5+ bd 12
Active by property type
Single Family 35 (87.5%)
Townhouse 3 (7.5%)
Condo 1 (2.5%)
Lot 1 (2.5%)
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": 2565,
  "active": 40,
  "median_list": 865000
}

ZIP 21104 · Marriottsville, MD real estate: market summary

As of November 2026, Straply tracks 2,565 homes in ZIP 21104 (Marriottsville, MD), with 40 active for sale at a median list price of $865,000 (~$285/sq ft). Notably, the market is cooling — the median sale price is down 31% year over year.

Median list price
$865,000
Median $/sq ft
$285
Active listings
40
Median sale price
$450,000 (-31% YoY)
Properties tracked
2,565

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 $865,000 (about $285 per square foot), based on 40 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21104?

Active listings in ZIP 21104 (Marriottsville, MD) concentrate in: 36% $1m–$2m and 31% $750k–$1m.

Are home prices in ZIP 21104 going up or down?

The median sale price is $450,000, down 31% year over year. Straply tracked 66 sales here over the past 12 months.

How many homes are for sale in ZIP 21104?

Straply is tracking 40 active listings in ZIP 21104 (Marriottsville, MD) out of 2,565 properties on record as of November 2026.

How old are the homes in ZIP 21104?

Most homes in ZIP 21104 (Marriottsville, MD) were built in the 2010s. About 79% were built after 1980, while 3% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21104?

ZIP 21104 (Marriottsville, MD) is mostly single-family homes (88% of listings). Also common: townhouses 8%.

How many bedrooms do homes in ZIP 21104 typically have?

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

What areas are near ZIP 21104?

Nearby markets Straply also tracks include Woodstock 21163, West Friendship 21794, Sykesville 21784, Ellicott City 21042.

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