Summary answer: Chantilly falls under Fairfax County's standard real estate tax rate of $1.1225 per $100 of assessed value. On a $700,000 home (near the area's typical median), that's roughly $7,858 per year, or about $655 per month.
I'm Johnny with JQ Real Estate. Here's exactly how this breaks down.
What this rate means at different Chantilly price points
| Home Value | Estimated Annual Tax |
|---|---|
| $450,000 (condo segment) | ~$5,051 |
| $700,000 (typical median) | ~$7,858 |
| $1,100,000 (upper-tier single-family) | ~$12,348 |
A note on Chantilly's neighborhood variance
Given the wide swing from Sully Station ($550K-$825K) to Virginia Run ($900K-$1.35M), your annual tax bill genuinely depends on which specific neighborhood you target.
Getting to know Chantilly
Chantilly lies in western Fairfax County where Route 50 meets Route 28, next to Washington Dulles International Airport and the Dulles technology and government contracting corridor. Townhome communities and single-family subdivisions sit close to major employers, and the Smithsonian's Udvar-Hazy Center is just up the road. When you compare homes here, look at how each one fits your daily routine: the drive or transit ride to work, the distance to shopping and parks, and the character of the surrounding streets. Those practical details often matter as much as the house itself.
Appealing an assessment
If you believe your assessment is higher than your home's market value, you can usually file an appeal. Start by comparing your assessment with recent sales of similar homes nearby. Gather photos of any condition issues and documentation of comparable sales. Deadlines are strict, so check the dates on your assessment notice. A successful appeal lowers your bill for the year, which can make a real difference for Chantilly homeowners.
Escrow accounts and tax changes
Most lenders collect property taxes monthly through an escrow account and pay the bill for you. Each year, the lender reviews the account and adjusts your payment if taxes or insurance have changed. That means your monthly payment can rise even with a fixed-rate loan. Keeping an eye on your assessment notices lets Chantilly homeowners anticipate those changes.
Factor this into your real budget
Reach out and let's run your real numbers, taxes included.
For more Chantilly buyer and seller questions, visit our Chantilly real estate hub.