Real Estate Data API

21237 Baltimore

177 active listings out of 10K total properties we track in ZIP 21237 (Baltimore, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
177
Median
$350K
-6.0%
Sold Sep
30
+15.4%
Tracked
10K

Download Baltimore 21237 property data

10,394 property records for ZIP 21237 — 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 · 1.3 MB Parquet · CSV (1.9 MB)

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Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21237. Same company, same dataset, different resolution.

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Key Numbers
Tracked
10K
Active
177
Median list
$350K
Sales (12mo)
356
Get this data →
Key Numbers
Tracked
10K
Active
177
Median list
$350K
Sales (12mo)
356
Get this data →
Key Numbers
Tracked
10K
Active
177
Median list
$350K
Sales (12mo)
356
Get this data →
Key Numbers
Tracked
10K
Active
177
Median list
$350K
Sales (12mo)
356
Get this data →
Key Numbers
Tracked
10K
Active
177
Median list
$350K
Sales (12mo)
356

Inventory breakdown

Distribution of the 177 currently-active listings in ZIP 21237. Full dataset covers 10K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 57 (35%)
$300K–$500K 80 (49.1%)
$500K–$750K 21 (12.9%)
$750K–$1M 4 (2.5%)
$1M–$2M 0 (0%)
$2M+ 1 (0.6%)
Active by bedroom count
Studio/1 bd 1
2 bd 22
3 bd 69
4 bd 57
5+ bd 19
Active by property type
Single Family 103 (58.2%)
Townhouse 53 (29.9%)
Condo 16 (9%)
Lot 4 (2.3%)
Other 1 (0.6%)
For Developers

Get Baltimore 21237 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/21237
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "21237",
  "total_tracked": 10467,
  "active": 177,
  "median_list": 349900
}

ZIP 21237 · Baltimore, MD real estate: market summary

As of November 2026, Straply tracks 10,467 homes in ZIP 21237 (Baltimore, MD), with 177 active for sale at a median list price of $349,900 (~$199/sq ft). Notably, most homes were built in the 1950s.

Median list price
$349,900
Median $/sq ft
$199
Active listings
177
Median sale price
$267,500 (-6% YoY)
Properties tracked
10,467

Frequently asked: ZIP 21237 · Baltimore, MD real estate

What is the median home price in ZIP 21237?

The median list price in ZIP 21237 (Baltimore, MD) is $349,900 (about $199 per square foot), based on 177 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21237?

Active listings in ZIP 21237 (Baltimore, MD) concentrate in: 49% $300k–$500k and 35% under $300k.

Are home prices in ZIP 21237 going up or down?

The median sale price is $267,500, down 6% year over year. Straply tracked 356 sales here over the past 12 months.

How many homes are for sale in ZIP 21237?

Straply is tracking 177 active listings in ZIP 21237 (Baltimore, MD) out of 10,467 properties on record as of November 2026.

How old are the homes in ZIP 21237?

Most homes in ZIP 21237 (Baltimore, MD) were built in the 1950s. About 43% were built after 1980, while 7% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21237?

ZIP 21237 (Baltimore, MD) is mostly single-family homes (58% of listings). Also common: townhouses 30%, condos 9%.

How many bedrooms do homes in ZIP 21237 typically have?

The most common size in ZIP 21237 (Baltimore, MD) is 3 bd.

What areas are near ZIP 21237?

Nearby markets Straply also tracks include Baltimore 21206, Baltimore 21221, Baltimore 21236, Baltimore 21214.

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