Unshakable ZIP Data 20170 | Herndon, VA Housing Market
Herndon · Fairfax County · Washington-Arlington-Alexandria, DC-VA-MD-WV metro · Virginia · Data updated June 19, 2026
The median sale price in ZIP 20170, Herndon, Virginia is $739,780 at $326 per square foot. 120 single-family homes sold in the latest period, up 3.9 percent from a year earlier. Homes sit a median of 24 days on market with 2.1 months of supply. Sellers are getting 101.3 percent of list price and 46.2 percent of homes sold above asking.
Seller's market. No room for sloppy offers.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $735,551 | |
| Average price per sq ft | $324 | |
| Median sale price | $739,780 | |
| Median sale price per sq ft | $326 | |
| Median home size | 2,271 sq ft | |
| Median new listing price | $698,528 | -0.2% |
| National size rank | 1,548 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 120 | +3.9% |
| Median days on market | 24 days | |
| Months of supply | 2.1 months | |
| New listings | 171 | -2.0% |
| Active listings | 204 | -0.2% |
| Pending sales | 152 | -1.9% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 101.3% | -0.4 pts |
| Share sold above list | 46.2% | -9.9 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$278,555
2-bedroom
$352,150
3-bedroom
$566,472
4-bedroom
$804,602
5-bedroom
$928,757
These figures describe the single-family market for Herndon, Virginia ZIP 20170. They are market context, not a substitute for sold comps or a formal appraisal.