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Property tax calculator
The tax on Zillow is the seller's bill. If the seller gets senior tax relief, or the assessment is a year old, yours could be thousands higher. Here's your number, with every district and fee.
Rates per $100 of assessed value for tax year 2026 / FY2027 from each county, city and town (checked October 2026). Car tax, special assessments and some small districts are not included. An estimate, not a tax bill.
Why the listing's number can be wrong for you
Virginia lets localities cut or erase the real estate tax for owners who are 65+ or disabled with limited income. The relief belongs to that owner and the home they live in (Va. Code § 58.1-3210). When they sell, it stops — so a listing can show a tax of a few hundred dollars on a home that will cost you thousands.
Homes are assessed at full market value as of January 1 each year. Your first bill uses the value already on the books; the next January's reassessment draws on last year's sales in the neighborhood — including yours. In a rising market, budget for an increase.
Rates were reset this spring: Fairfax County $1.12, Prince William $0.865 plus levies, Arlington $1.053. Town taxes (Vienna, Herndon, Leesburg), Reston and Tysons districts, stormwater and trash fees all add to the bill — and old “tax history” won't show this year's rate.
Good news if you're 65+
Relief doesn't transfer from the seller, but if you qualify you can apply on the home you buy. Limits for 2026 (household income for full relief, the highest income that still gets some relief, and the net-worth limit, not counting the home):
| Where | Who | Full relief up to | Some relief up to | Net worth limit | Apply by |
|---|---|---|---|---|---|
| Fairfax County | 65+ or disabled | $60,000 | $90,000 (25% relief) | $400,000 | May 1 |
| Arlington County | 65+ or disabled | $63,104 | $112,187 (25%); deferral to $139,551 | $515,200 | Nov. 16, 2026 |
| City of Alexandria | 65+ or disabled | $55,000 | $100,000 (25%); deferral to $120,000 | $430,000 | April 15 |
| City of Fairfax | 65+ | $75,000 | $90,000 (25%) | $440,000 | April 15 |
| Loudoun County | 65+ or disabled | $87,000 (with net worth to $498,000) | 50% relief with income to $55,000 and net worth to $1.028M | grid | See county |
| Prince William County | 65+ or disabled | $85,450 | $123,903 (25%) | $400,000 | April 15 |
| City of Manassas | 65+ or disabled | $39,350 | $60,000 (up to $3,400 off) | $340,000 | July 1 |
Loudoun uses a grid of income and net worth instead of tiers. City of Falls Church: ask the city. Programs change every year — check the official page (tap a name) before you count on it. Not tax advice.
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