Real Estate Data API

21758 Knoxville

29 active listings out of 1.9K total properties we track in ZIP 21758 (Knoxville, MD) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
29
Median
$610K
±0%
Sales (12mo)
45
Tracked
1.9K
Zoomed out

While you're here, take in the bigger picture — maps below show Maryland (statewide), not just 21758. Same company, same dataset, different resolution.

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Key Numbers
Tracked
1.9K
Active
29
Median list
$610K
Sales (12mo)
45
Get this data →
Key Numbers
Tracked
1.9K
Active
29
Median list
$610K
Sales (12mo)
45
Get this data →
Key Numbers
Tracked
1.9K
Active
29
Median list
$610K
Sales (12mo)
45
Get this data →
Key Numbers
Tracked
1.9K
Active
29
Median list
$610K
Sales (12mo)
45
Get this data →
Key Numbers
Tracked
1.9K
Active
29
Median list
$610K
Sales (12mo)
45

Inventory breakdown

Distribution of the 29 currently-active listings in ZIP 21758. Full dataset covers 1.9K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 4 (16%)
$300K–$500K 5 (20%)
$500K–$750K 10 (40%)
$750K–$1M 2 (8%)
$1M–$2M 3 (12%)
$2M+ 1 (4%)
Active by bedroom count
Studio/1 bd 0
2 bd 1
3 bd 9
4 bd 8
5+ bd 7
Active by property type
Single Family 26 (89.7%)
Lot 1 (3.4%)
Condo 1 (3.4%)
Townhouse 1 (3.4%)
For Developers

Get Knoxville 21758 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/21758
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "21758",
  "total_tracked": 1886,
  "active": 29,
  "median_list": 610000
}
Get an API key Read the docs

ZIP 21758 · Knoxville, MD real estate: market summary

As of June 2026, Straply tracks 1,886 homes in ZIP 21758 (Knoxville, MD), with 29 active for sale at a median list price of $610,000 (~$211/sq ft). Notably, it has notably historic housing — 23% of homes predate 1940.

Median list price
$610,000
Median $/sq ft
$211
Active listings
29
Properties tracked
1,886

Frequently asked: ZIP 21758 · Knoxville, MD real estate

What is the median home price in ZIP 21758?

The median list price in ZIP 21758 (Knoxville, MD) is $610,000 (about $211 per square foot), based on 29 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 21758?

Active listings in ZIP 21758 (Knoxville, MD) concentrate in: 40% $500k–$750k and 20% $300k–$500k.

How many homes are for sale in ZIP 21758?

Straply is tracking 29 active listings in ZIP 21758 (Knoxville, MD) out of 1,886 properties on record as of June 2026.

How old are the homes in ZIP 21758?

Most homes in ZIP 21758 (Knoxville, MD) were built in the 2000s. About 51% were built after 1980, while 23% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 21758?

ZIP 21758 (Knoxville, MD) is mostly single-family homes (90% of listings).

How many bedrooms do homes in ZIP 21758 typically have?

The most common size in ZIP 21758 (Knoxville, MD) is 3 bd.

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