Fairfax Assessment Check

Is your Fairfax County assessment too high?

2027 assessment notices are expected in mid-February. Join the waitlist and we'll compare your new assessment to recent nearby sales for free, then tell you if an appeal looks worth it.

Join the free waitlist

Key dates (based on 2026 county rules)

Assessment notices mailedMid-February (Feb 17 in 2026)
Administrative appeal to DTAApril 1 (2026: postmarked by April 1, or online/email by 4:30 p.m.)
Board of Equalization appealJune 1 (postmarked by midnight, or emailed/dropped off by 4:30 p.m.; next business day if a weekend/holiday). All written evidence must be included with the application.
Do I need a DTA appeal first?No, but filing with DTA first is encouraged.

How it will work

1. Free check
Your assessment vs. recent sales of similar homes nearby. See the concept.
2. DIY packet
If it looks high, a ready-to-file evidence packet you submit yourself.
3. Done-for-you (planned)
We file for you as your authorized agent; the County requires a notarized letter of authorization. Pay only if your assessment is reduced.

Join the 2027 waitlist