Real Estate Data API

21045 Columbia

121 active listings out of 13K total properties we track in ZIP 21045 (Columbia, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
121
Median
$449K
±0%
Sales (12mo)
467
Tracked
13K
Zoomed out

While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 21045. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 21045 has recorded 467 home sales.

Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467
Get this data →

Right now, 121 homes are actively for sale in ZIP 21045. Median list price is $449K at $240/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467
Get this data →
Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467
Get this data →
Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467
Get this data →
Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467
Get this data →
Key Numbers
Tracked
13K
Active
121
Median list
$449K
Sales (12mo)
467

Inventory breakdown

Distribution of the 121 currently-active listings in ZIP 21045. Full dataset covers 13K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 25 (22.1%)
$300K–$500K 47 (41.6%)
$500K–$750K 32 (28.3%)
$750K–$1M 7 (6.2%)
$1M–$2M 2 (1.8%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 5
2 bd 21
3 bd 45
4 bd 37
5+ bd 8
Active by property type
Single Family 49 (40.5%)
Townhouse 41 (33.9%)
Condo 30 (24.8%)
Lot 1 (0.8%)
For Developers

Get Columbia 21045 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21045
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21045",
  "total_tracked": 13405,
  "active": 121,
  "median_list": 449000
}
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ZIP 21045 · Columbia, MD real estate: market summary

As of June 2026, Straply tracks 13,405 homes in ZIP 21045 (Columbia, MD), with 121 active for sale at a median list price of $449,000 (~$240/sq ft). Notably, most homes were built in the 1970s.

Median list price
$449,000
Median $/sq ft
$240
Active listings
121
Properties tracked
13,405

Frequently asked: ZIP 21045 · Columbia, MD real estate

What is the median home price in ZIP 21045?

The median list price in ZIP 21045 (Columbia, MD) is $449,000 (about $240 per square foot), based on 121 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21045?

Active listings in ZIP 21045 (Columbia, MD) concentrate in: 42% $300k–$500k and 28% $500k–$750k.

How many homes are for sale in ZIP 21045?

Straply is tracking 121 active listings in ZIP 21045 (Columbia, MD) out of 13,405 properties on record as of June 2026.

How old are the homes in ZIP 21045?

Most homes in ZIP 21045 (Columbia, MD) were built in the 1970s. About 41% were built after 1980. The newest tracked home dates to 2025.

What types of homes are in ZIP 21045?

ZIP 21045 (Columbia, MD) is mostly single-family homes (40% of listings). Also common: townhouses 34%, condos 25%.

How many bedrooms do homes in ZIP 21045 typically have?

The most common size in ZIP 21045 (Columbia, MD) is 3 bd.

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