Real Estate Data API

21791 Union Bridge

47 active listings out of 2.1K total properties we track in ZIP 21791 (Union Bridge, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
47
Median
$450K
-21.4%
Sold Sep
5
-54.5%
Tracked
2.1K

Download Union Bridge 21791 property data

2,124 property records for ZIP 21791 — 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 · 283 KB Parquet · CSV (389 KB)

Records keep changing after a snapshot is compiled.

Download today's build · subscribers

Rebuilt every day · same columns, same file layout

Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21791. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
2.1K
Active
47
Median list
$450K
Sales (12mo)
63
Get this data →
Key Numbers
Tracked
2.1K
Active
47
Median list
$450K
Sales (12mo)
63
Get this data →
Key Numbers
Tracked
2.1K
Active
47
Median list
$450K
Sales (12mo)
63
Get this data →
Key Numbers
Tracked
2.1K
Active
47
Median list
$450K
Sales (12mo)
63
Get this data →
Key Numbers
Tracked
2.1K
Active
47
Median list
$450K
Sales (12mo)
63

Inventory breakdown

Distribution of the 47 currently-active listings in ZIP 21791. Full dataset covers 2.1K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 11 (25%)
$300K–$500K 17 (38.6%)
$500K–$750K 6 (13.6%)
$750K–$1M 7 (15.9%)
$1M–$2M 1 (2.3%)
$2M+ 2 (4.5%)
Active by bedroom count
Studio/1 bd 0
2 bd 7
3 bd 17
4 bd 14
5+ bd 5
Active by property type
Single Family 41 (87.2%)
Lot 4 (8.5%)
Townhouse 1 (2.1%)
Condo 1 (2.1%)
For Developers

Get Union Bridge 21791 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/21791
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "21791",
  "total_tracked": 2132,
  "active": 47,
  "median_list": 449500
}

ZIP 21791 · Union Bridge, MD real estate: market summary

As of November 2026, Straply tracks 2,132 homes in ZIP 21791 (Union Bridge, MD), with 47 active for sale at a median list price of $449,500 (~$256/sq ft). Notably, the market is cooling — the median sale price is down 21% year over year.

Median list price
$449,500
Median $/sq ft
$256
Active listings
47
Median sale price
$250,000 (-21% YoY)
Properties tracked
2,132

Frequently asked: ZIP 21791 · Union Bridge, MD real estate

What is the median home price in ZIP 21791?

The median list price in ZIP 21791 (Union Bridge, MD) is $449,500 (about $256 per square foot), based on 47 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21791?

Active listings in ZIP 21791 (Union Bridge, MD) concentrate in: 39% $300k–$500k and 25% under $300k.

Are home prices in ZIP 21791 going up or down?

The median sale price is $250,000, down 21% year over year. Straply tracked 63 sales here over the past 12 months.

How many homes are for sale in ZIP 21791?

Straply is tracking 47 active listings in ZIP 21791 (Union Bridge, MD) out of 2,132 properties on record as of November 2026.

How old are the homes in ZIP 21791?

Most homes in ZIP 21791 (Union Bridge, MD) were built in the 1980s. About 38% were built after 1980, while 35% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21791?

ZIP 21791 (Union Bridge, MD) is mostly single-family homes (87% of listings). Also common: lots / land 8%.

How many bedrooms do homes in ZIP 21791 typically have?

The most common size in ZIP 21791 (Union Bridge, MD) is 3 bd.

What areas are near ZIP 21791?

Nearby markets Straply also tracks include New Windsor 21776, Keymar 21757, Libertytown 21762, Woodsboro 21798.

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