Real Estate Data API

21157 Westminster

146 active listings out of 14K total properties we track in ZIP 21157 (Westminster, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
146
Median
$540K
±0%
Sales (12mo)
466
Tracked
14K
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21157. Same company, same dataset, different resolution.

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Key Numbers
Tracked
14K
Active
146
Median list
$540K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
14K
Active
146
Median list
$540K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
14K
Active
146
Median list
$540K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
14K
Active
146
Median list
$540K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
14K
Active
146
Median list
$540K
Sales (12mo)
466

Inventory breakdown

Distribution of the 146 currently-active listings in ZIP 21157. Full dataset covers 14K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 13 (9%)
$300K–$500K 51 (35.2%)
$500K–$750K 40 (27.6%)
$750K–$1M 34 (23.4%)
$1M–$2M 6 (4.1%)
$2M+ 1 (0.7%)
Active by bedroom count
Studio/1 bd 0
2 bd 3
3 bd 44
4 bd 61
5+ bd 32
Active by property type
Single Family 131 (89.7%)
Townhouse 7 (4.8%)
Lot 5 (3.4%)
Condo 1 (0.7%)
Manufactured 1 (0.7%)
Multi Family 1 (0.7%)
For Developers

Get Westminster 21157 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21157
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21157",
  "total_tracked": 14009,
  "active": 146,
  "median_list": 539900
}
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ZIP 21157 · Westminster, MD real estate: market summary

As of June 2026, Straply tracks 14,009 homes in ZIP 21157 (Westminster, MD), with 146 active for sale at a median list price of $539,900 (~$232/sq ft). Notably, most homes were built in the 1970s.

Median list price
$539,900
Median $/sq ft
$232
Active listings
146
Properties tracked
14,009

Frequently asked: ZIP 21157 · Westminster, MD real estate

What is the median home price in ZIP 21157?

The median list price in ZIP 21157 (Westminster, MD) is $539,900 (about $232 per square foot), based on 146 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21157?

Active listings in ZIP 21157 (Westminster, MD) concentrate in: 35% $300k–$500k and 28% $500k–$750k.

How many homes are for sale in ZIP 21157?

Straply is tracking 146 active listings in ZIP 21157 (Westminster, MD) out of 14,009 properties on record as of June 2026.

How old are the homes in ZIP 21157?

Most homes in ZIP 21157 (Westminster, MD) were built in the 1970s. About 50% were built after 1980, while 14% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21157?

ZIP 21157 (Westminster, MD) is mostly single-family homes (90% of listings).

How many bedrooms do homes in ZIP 21157 typically have?

The most common size in ZIP 21157 (Westminster, MD) is 4 bd.

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