3495 Audubon Cv, Oak Hill
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Zip code 20171 has a Herndon mailing address but covers the unincorporated communities of Oak Hill and Floris, south of the Town of Herndon. It's known for spacious single-family neighborhoods, community amenities, and a central spot in the Dulles corridor.
As of October 12, 2026, about 90 homes, townhomes and condos are listed for sale in 20171, from about $320,000 to about $2.5 million, with an average list price of about $730,000. Prices and inventory change daily, so check the current listings above.
Franklin Farm is one of the area's best-known planned communities, with pools, tennis courts, and walking paths. Other popular options include McNair Farms, Fox Mill Estates, and the Floris area. Most homes are colonials built from the 1980s through the 2000s, with townhome communities scattered throughout. Recent listings in 20171 have included homes in Franklin Farm, Fox Mill Estates, McNair Farms and Woodland Park.
Route 50, Route 28, West Ox Road, and the Fairfax County Parkway all run through or near the area. The Silver Line's Innovation Center station is close by, and Dulles Airport is just to the west.
Frying Pan Farm Park is a local favorite, with a working farm, animals, and a county fair each summer. Shopping is easy at the Franklin Farm Village Center and along Route 50, and the Udvar-Hazy Center is a short drive away.
Oak Hill and Floris were farmland until the 1980s, when large planned communities began to replace the fields. A few reminders of that rural past remain, most notably Frying Pan Farm Park, which preserves a working farm from the mid-1900s. Today the area is one of the more established suburban parts of the Dulles corridor, with mature trees and active community associations.
20171 is unincorporated Fairfax County, so there is no town tax. Homes are served by Fairfax County Public Schools. Many neighborhoods have HOAs with community amenities, so review dues and covenants. Check the FCPS Boundary Locator for the school assignment for any address.
20171 is in Fairfax County. Your mailing address may say Herndon, but the jurisdiction decides your property taxes, local services, and schools.
Homes in 20171 are served by Fairfax County Public Schools. Assignments are based on address, so check the district's school boundary tool for a specific home.
Whether you're buying your first home or selling in 20171, our team can help. Scroll back up to browse current Herndon listings, or get in touch for a free consultation.
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