The story of this market
The typical home in ZIP 20151 sells for about $647,400, or $325 per square foot.
Prices are down 13.16% from a year ago, which gives buyers more room to negotiate. Homes take about 17 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $2,280 a month.
ZIP 20151 — Chantilly (CDP)
The 20151 housing market shows signs of cooling with a year-over-year decline in median sale prices, yet it remains highly competitive with homes selling quickly. The market is driven by strong demand from professionals in the defense and technology sectors, though higher interest rates have tempered price growth. Note that some specific metrics like active inventory and price cut percentages are based on limited monthly snapshots.
This ZIP is ideal for families and professionals who prioritize proximity to major Northern Virginia employment hubs and access to high-quality public schools.
Median prices moved down 13.2% year over year.
Homes spend a median of 17 days on market with 1.0 months of supply — a fast-moving market.
0% of listings have cut prices · homes sell at 101.13% of asking — demand is running ahead of supply.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 3.1% · poverty 6.2% — a stable, low-distress profile.
Researched annual trajectory for this ZIP, from published historical series
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical -12.0%/yr trend — a deterministic estimate, not a published forecast or guarantee.
versus the prior ACS vintage
ZCTA 20151, Fairfax County VA
The area is served by Fairfax County Public Schools, which generally maintains high academic performance ratings and strong community support.
Chantilly serves as a major employment hub in Northern Virginia with proximity to Dulles International Airport and numerous technology and defense contractors.
Property taxes are assessed by Fairfax County based on the fair market value of the property, with rates set annually by the Board of Supervisors.
Residents benefit from proximity to major corridors including Route 28, Route 50, and I-66, providing access to employment centers in Tysons and Washington D.C.
The area features access to Ellanor C. Lawrence Park, various local golf courses, and extensive shopping centers along the Route 50 corridor.
The rental market remains tight due to high demand from professionals working in the nearby technology and government contracting sectors.
The economy is driven by the technology, aerospace, and defense sectors, anchored by proximity to Dulles International Airport and major corporate campuses.
The area is heavily reliant on personal vehicles, though it is served by regional bus networks and is within reach of the Silver Line Metro extension.
Ongoing development focuses on mixed-use projects and infrastructure improvements along the Route 28 corridor.
Fairfax County Department of Tax Administration performs annual assessments based on market sales data.
Parcels are subject to Fairfax County property taxes and may fall within specific service districts for water, sewer, and fire protection.
Data retrieved from US Census Bureau ZCTA profiles.
Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.
A large regional park offering trails, historical sites, and nature programs.
Key-figure check: median price diverges 15.0% from the nearest retained anchor (published ten-year series (2024)) — beyond the 12.5% tolerance; an automated validation case is open and the value publishes pending its verdict. Research outlier held out — this pass returned a median of $744,577 (15.0% off the retained reading), contradicting every independent anchor; the prior reading stands pending corroboration. Validation: confirmed genuine market swing — the flagged $744,577 was independently re-read and corroborated by 2 source(s); it stands as the new anchor baseline.