Data as of September 2026. Source: Realtor.com.
The HERNDON, VA real estate market (20170) currently shows 78 active listings, with 13 pending sales. Homes are averaging 36 days on the market before going under contract.
Inventory has tightened compared to last year, with 23 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 36 days on market compared to 22 days last year.
The median listing price has fallen 3.2% year-over-year, from $659,975 to $638,725.
Population: 43,557 · Density: 1,920.8/mi² · Median household income: $151,136
Typical home value: $599,290 · Homeownership: 70.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 20170 | Herndon, VA 20170 | 0.0 mi | 63 | $37,536,093 | $548,748 | $595,811 |
| 20164 | Sterling, VA 20164 | 2.3 mi | 48 | $26,094,624 | $545,000 | $543,638 |
| 20191 | Reston, VA 20191 | 3.6 mi | 54 | $31,377,834 | $418,675 | $581,071 |
| 20166 | Sterling, VA 20166 | 4.5 mi | 20 | $12,478,880 | $641,750 | $623,944 |
| 20165 | Sterling, VA 20165 | 4.8 mi | 39 | $33,875,088 | $840,000 | $868,592 |
| 22124 | Oakton, VA 22124 | 6.8 mi | 43 | $74,581,522 | $953,425 | $1,734,454 |
| 20151 | Chantilly, VA 20151 | 6.8 mi | 64 | $49,595,968 | $700,224 | $774,937 |
| 22033 | Fairfax, VA 22033 | 7.3 mi | 69 | $46,811,877 | $619,725 | $678,433 |
| 22102 | McLean, VA 22102 | 8.4 mi | 97 | $233,591,132 | $873,725 | $2,408,156 |
| 20837 | Poolesville, MD 20837 | 9.2 mi | 12 | $14,313,084 | $1,258,000 | $1,192,757 |
| 20152 | Chantilly, VA 20152 | 9.3 mi | 33 | $27,755,574 | $739,973 | $841,078 |
| 20120 | Centreville, VA 20120 | 10.2 mi | 50 | $50,302,650 | $677,500 | $1,006,053 |
| 22031 | Fairfax, VA 22031 | 10.6 mi | 49 | $43,405,327 | $718,750 | $885,823 |
As of September 2026, there are 78 active listings in HERNDON, VA (zip code 20170), compared to 101 the prior year.
The median listing price in HERNDON, VA 20170 is $638,725 as of September 2026, a 3.2% decrease from $659,975 the prior year.
Homes in HERNDON, VA 20170 spend an average of 36 days on the market before going under contract, compared to 22 days the prior year.
Based on current inventory and days-on-market data as of September 2026, HERNDON, VA 20170 is currently a Balanced Market. Inventory has tightened compared to last year, with 23 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 36 days on market compared to 22 days last year.
With SELL123.com's maximum 3% commission, sellers in HERNDON, VA 20170 save an estimated $12,775 compared to a typical 5% commission on the median listing price of $638,725. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.