Real Estate Data API

21221 Baltimore

309 active listings out of 14K total properties we track in ZIP 21221 (Baltimore, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
309
Median
$300K
-6.1%
Sold Sep
31
-26.2%
Tracked
14K

Download Baltimore 21221 property data

13,965 property records for ZIP 21221 — 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 · 1.7 MB Parquet · CSV (2.5 MB)

Records keep changing after a snapshot is compiled.

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Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21221. Same company, same dataset, different resolution.

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Key Numbers
Tracked
14K
Active
309
Median list
$300K
Sales (12mo)
424
Get this data →
Key Numbers
Tracked
14K
Active
309
Median list
$300K
Sales (12mo)
424
Get this data →
Key Numbers
Tracked
14K
Active
309
Median list
$300K
Sales (12mo)
424
Get this data →
Key Numbers
Tracked
14K
Active
309
Median list
$300K
Sales (12mo)
424
Get this data →
Key Numbers
Tracked
14K
Active
309
Median list
$300K
Sales (12mo)
424

Inventory breakdown

Distribution of the 309 currently-active listings in ZIP 21221. Full dataset covers 14K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 146 (50%)
$300K–$500K 90 (30.8%)
$500K–$750K 35 (12%)
$750K–$1M 15 (5.1%)
$1M–$2M 5 (1.7%)
$2M+ 1 (0.3%)
Active by bedroom count
Studio/1 bd 3
2 bd 60
3 bd 135
4 bd 67
5+ bd 29
Active by property type
Single Family 192 (62.1%)
Townhouse 72 (23.3%)
Condo 28 (9.1%)
Lot 9 (2.9%)
Manufactured 3 (1%)
Other 3 (1%)
For Developers

Get Baltimore 21221 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/21221
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "21221",
  "total_tracked": 14043,
  "active": 309,
  "median_list": 299999
}

ZIP 21221 · Baltimore, MD real estate: market summary

As of November 2026, Straply tracks 14,043 homes in ZIP 21221 (Baltimore, MD), with 309 active for sale at a median list price of $299,999 (~$199/sq ft). Notably, most homes were built in the 1950s.

Median list price
$299,999
Median $/sq ft
$199
Active listings
309
Median sale price
$270,000 (-6% YoY)
Properties tracked
14,043

Frequently asked: ZIP 21221 · Baltimore, MD real estate

What is the median home price in ZIP 21221?

The median list price in ZIP 21221 (Baltimore, MD) is $299,999 (about $199 per square foot), based on 309 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21221?

Active listings in ZIP 21221 (Baltimore, MD) concentrate in: 50% under $300k and 31% $300k–$500k.

Are home prices in ZIP 21221 going up or down?

The median sale price is $270,000, down 6% year over year. Straply tracked 424 sales here over the past 12 months.

How many homes are for sale in ZIP 21221?

Straply is tracking 309 active listings in ZIP 21221 (Baltimore, MD) out of 14,043 properties on record as of November 2026.

How old are the homes in ZIP 21221?

Most homes in ZIP 21221 (Baltimore, MD) were built in the 1950s. About 36% were built after 1980, while 12% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21221?

ZIP 21221 (Baltimore, MD) is mostly single-family homes (62% of listings). Also common: townhouses 23%, condos 9%.

How many bedrooms do homes in ZIP 21221 typically have?

The most common size in ZIP 21221 (Baltimore, MD) is 3 bd.

What areas are near ZIP 21221?

Nearby markets Straply also tracks include Baltimore 21220, Baltimore 21237, Baltimore 21222, Baltimore 21206.

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