Real Estate Data API

20170 Herndon

129 active listings out of 12K total properties we track in ZIP 20170 (Herndon, VA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
129
Median
$650K
+6.5%
Sold/mo
1
-98.0%
Tracked
12K
Zoomed out

While you're here, take in the bigger picture — maps below show Washington, D.C. metro, not just 20170. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 20170 has recorded 492 home sales. Last month saw 1 sales (-98.0% vs the prior month). Most recent median sale price: $800K.

Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492
Get this data →

Right now, 129 homes are actively for sale in ZIP 20170. Median list price is $650K at $335/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492
Get this data →
Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492
Get this data →
Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492
Get this data →
Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492
Get this data →
Key Numbers
Tracked
12K
Active
129
Median list
$650K
Sales (12mo)
492

Inventory breakdown

Distribution of the 129 currently-active listings in ZIP 20170. Full dataset covers 12K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 11 (8.8%)
$300K–$500K 39 (31.2%)
$500K–$750K 29 (23.2%)
$750K–$1M 26 (20.8%)
$1M–$2M 20 (16%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 8
2 bd 23
3 bd 32
4 bd 43
5+ bd 22
Active by property type
Single Family 67 (51.9%)
Townhouse 35 (27.1%)
Condo 27 (20.9%)
For Developers

Get Herndon 20170 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/20170
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "20170",
  "total_tracked": 11926,
  "active": 129,
  "median_list": 649500
}
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ZIP 20170 · Herndon, VA real estate: market summary

As of June 2026, Straply tracks 11,926 homes in ZIP 20170 (Herndon, VA), with 129 active for sale at a median list price of $649,500 (~$335/sq ft). Notably, most homes were built in the 1970s.

Median list price
$649,500
Median $/sq ft
$335
Active listings
129
Median sale price
$800,000 (+6% YoY)
Properties tracked
11,926

Frequently asked: ZIP 20170 · Herndon, VA real estate

What is the median home price in ZIP 20170?

The median list price in ZIP 20170 (Herndon, VA) is $649,500 (about $335 per square foot), based on 129 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 20170?

Active listings in ZIP 20170 (Herndon, VA) concentrate in: 31% $300k–$500k and 23% $500k–$750k.

Are home prices in ZIP 20170 going up or down?

The median sale price is $800,000, up 6% year over year. Straply tracked 492 sales here over the past 12 months.

How many homes are for sale in ZIP 20170?

Straply is tracking 129 active listings in ZIP 20170 (Herndon, VA) out of 11,926 properties on record as of June 2026.

How old are the homes in ZIP 20170?

Most homes in ZIP 20170 (Herndon, VA) were built in the 1970s. About 59% were built after 1980. The newest tracked home dates to 2025.

What types of homes are in ZIP 20170?

ZIP 20170 (Herndon, VA) is mostly single-family homes (52% of listings). Also common: townhouses 27%, condos 21%.

How many bedrooms do homes in ZIP 20170 typically have?

The most common size in ZIP 20170 (Herndon, VA) is 4 bd.

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