Real Estate Data API

21227 Baltimore

219 active listings out of 12K total properties we track in ZIP 21227 (Baltimore, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
219
Median
$320K
-17.6%
Sold Sep
33
-8.3%
Tracked
12K

Download Baltimore 21227 property data

11,828 property records for ZIP 21227 — 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 · 1.4 MB Parquet · CSV (2.1 MB)

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Zoomed out

While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 21227. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 21227 has recorded 389 home sales. In September 2026 there were33 sales (-8.3% vs the prior month). Most recent median sale price: $253K.

Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389
Get this data →

Right now, 219 homes are actively for sale in ZIP 21227. Median list price is $320K at $197/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389
Get this data →
Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389
Get this data →
Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389
Get this data →
Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389
Get this data →
Key Numbers
Tracked
12K
Active
219
Median list
$320K
Sales (12mo)
389

Inventory breakdown

Distribution of the 219 currently-active listings in ZIP 21227. Full dataset covers 12K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 90 (43.5%)
$300K–$500K 112 (54.1%)
$500K–$750K 5 (2.4%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 20
3 bd 114
4 bd 55
5+ bd 14
Active by property type
Single Family 127 (58%)
Townhouse 70 (32%)
Lot 13 (5.9%)
Condo 4 (1.8%)
Multi Family 4 (1.8%)
Apartment 1 (0.5%)
For Developers

Get Baltimore 21227 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/21227
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "21227",
  "total_tracked": 11868,
  "active": 219,
  "median_list": 320000
}

ZIP 21227 · Baltimore, MD real estate: market summary

As of November 2026, Straply tracks 11,868 homes in ZIP 21227 (Baltimore, MD), with 219 active for sale at a median list price of $320,000 (~$197/sq ft). Notably, the market is cooling — the median sale price is down 18% year over year.

Median list price
$320,000
Median $/sq ft
$197
Active listings
219
Median sale price
$253,000 (-18% YoY)
Properties tracked
11,868

Frequently asked: ZIP 21227 · Baltimore, MD real estate

What is the median home price in ZIP 21227?

The median list price in ZIP 21227 (Baltimore, MD) is $320,000 (about $197 per square foot), based on 219 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 21227?

Active listings in ZIP 21227 (Baltimore, MD) concentrate in: 54% $300k–$500k and 44% under $300k.

Are home prices in ZIP 21227 going up or down?

The median sale price is $253,000, down 18% year over year. Straply tracked 389 sales here over the past 12 months.

How many homes are for sale in ZIP 21227?

Straply is tracking 219 active listings in ZIP 21227 (Baltimore, MD) out of 11,868 properties on record as of November 2026.

How old are the homes in ZIP 21227?

Most homes in ZIP 21227 (Baltimore, MD) were built in the 1950s. About 20% were built after 1980, while 19% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21227?

ZIP 21227 (Baltimore, MD) is mostly single-family homes (58% of listings). Also common: townhouses 32%, lots / land 6%.

How many bedrooms do homes in ZIP 21227 typically have?

The most common size in ZIP 21227 (Baltimore, MD) is 3 bd.

What areas are near ZIP 21227?

Nearby markets Straply also tracks include Linthicum 21090, Baltimore 21229, Baltimore 21223, Baltimore 21230.

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