Real Estate Data API

20171 Herndon

165 active listings out of 16K total properties we track in ZIP 20171 (Herndon, VA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
165
Median
$700K
±0%
Sales (12mo)
466
Tracked
16K
Zoomed out

While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 20171. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 20171 has recorded 466 home sales.

Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466
Get this data →

Right now, 165 homes are actively for sale in ZIP 20171. Median list price is $700K at $359/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466
Get this data →
Key Numbers
Tracked
16K
Active
165
Median list
$700K
Sales (12mo)
466

Inventory breakdown

Distribution of the 165 currently-active listings in ZIP 20171. Full dataset covers 16K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 4 (2.5%)
$300K–$500K 19 (11.7%)
$500K–$750K 71 (43.6%)
$750K–$1M 42 (25.8%)
$1M–$2M 22 (13.5%)
$2M+ 5 (3.1%)
Active by bedroom count
Studio/1 bd 10
2 bd 27
3 bd 63
4 bd 52
5+ bd 13
Active by property type
Townhouse 73 (44.2%)
Single Family 57 (34.5%)
Condo 35 (21.2%)
For Developers

Get Herndon 20171 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/20171
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "20171",
  "total_tracked": 15870,
  "active": 165,
  "median_list": 699500
}
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ZIP 20171 · Herndon, VA real estate: market summary

As of June 2026, Straply tracks 15,870 homes in ZIP 20171 (Herndon, VA), with 165 active for sale at a median list price of $699,500 (~$359/sq ft). Notably, most homes were built in the 1980s.

Median list price
$699,500
Median $/sq ft
$359
Active listings
165
Properties tracked
15,870

Frequently asked: ZIP 20171 · Herndon, VA real estate

What is the median home price in ZIP 20171?

The median list price in ZIP 20171 (Herndon, VA) is $699,500 (about $359 per square foot), based on 165 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 20171?

Active listings in ZIP 20171 (Herndon, VA) concentrate in: 44% $500k–$750k and 26% $750k–$1m.

How many homes are for sale in ZIP 20171?

Straply is tracking 165 active listings in ZIP 20171 (Herndon, VA) out of 15,870 properties on record as of June 2026.

How old are the homes in ZIP 20171?

Most homes in ZIP 20171 (Herndon, VA) were built in the 1980s. About 88% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 20171?

ZIP 20171 (Herndon, VA) is mostly townhouses (44% of listings). Also common: single-family homes 34%, condos 21%.

How many bedrooms do homes in ZIP 20171 typically have?

The most common size in ZIP 20171 (Herndon, VA) is 3 bd.

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