Fairfax County, VA property tax deadlines
12 coming property tax dates for Fairfax County, Virginia. Each one links to its official source and shows the day LevyDay last checked it.
| Next dates | Bills due | Last day without penalty | Appeal by | Exemption filing |
|---|---|---|---|---|
| Fairfax | Dec 7, 2026fairfaxcounty.govOct 21 | Not on file | Apr 1, 2027fairfaxcounty.govOct 21 | Dec 31, 2026fairfaxcounty.govOct 21 |
Deadlines in date order
| Date and source | Deadline |
|---|---|
| April 1 every yearfairfaxcounty.govOct 21 | Appeal deadline Appeal your value to the tax office File with the Department of Tax Administration. |
| May 1 every yearfairfaxcounty.govOct 21 | Exemption filing Renew senior and disability tax relief For returning applicants in the tax relief program. |
| June 1 every yearfairfaxcounty.govOct 21 | Appeal deadline Appeal to the Board of Equalization |
| July 28 every yearfairfaxcounty.govOct 21 | Bills due First half due A weekend or county holiday moves it to the next working day. |
| December 5 every yearfairfaxcounty.govOct 21 | Bills due Second half due A weekend or county holiday moves it to the next working day. In 2026 that's Monday, December 7. |
| December 7, 2026 2026 onlyfairfaxcounty.govOct 21 | Bills due 2026 second half due Moved from Saturday, December 5. |
| December 31 every yearfairfaxcounty.govOct 21 | Exemption filing Apply for senior and disability tax relief For first-time or hardship applicants. You can apply for the current year and one prior year. |
| Varies, see rule see rulelaw.lis.virginia.govOct 21 | Other Due date on a weekend or holiday If a due date falls on a weekend, a legal holiday or a day the office is closed, you can pay on the next business day. |
| Varies, see rule set by noticelaw.lis.virginia.govOct 21 | Other When your bill must be mailed The treasurer must mail your bill at least 14 days before the due date. Bills of $20 or less may not be sent. |
| Varies, see rule set by noticelaw.lis.virginia.govOct 21 | Other Deployed military get more time If you're in the US armed forces or National Guard and deployed outside the US, tax on your main home is put off automatically. It's due 90 days after your deployment ends. |
| Varies, see rule set by noticelaw.lis.virginia.govOct 21 | Other Board of Equalization deadline Your county or city sets the last day to apply to its Board of Equalization. It can't be earlier than 30 days after the assessor's deadline to hear objections ends. |
| Varies, see rule set by noticelaw.lis.virginia.govOct 21 | Appeal deadline Appeal to the circuit court You can ask the circuit court to correct your assessment within 3 years after the end of the tax year or within 1 year of the assessment, whichever is later. |
Appealing your assessed value
Appeal by Apr 1, 2027 in 160 daysfairfaxcounty.govOct 21
If you think the county valued your home too high, you can appeal. Filing with the county is free and you can do it yourself.
Get help filing an appeal
After you send your details, we look for an independent appeal firm or attorney to take your case. We'll be in touch once one has agreed. Firms usually charge a share of what you save, and the one that takes it may pay LevyDay a referral fee.
LevyDay doesn't file appeals or give legal or tax advice. We only pass your details on. The independent firm or attorney that takes your case does the work and sets its own fee.
Get help filing an appealIf you pay late
- Late payment penalty: A 10% penalty is added automatically after the due date, for each late installment. Interest is 1% a year. fairfaxcounty.govOct 21
- Most a late penalty can be: State law caps the penalty for paying late at 10% of the tax past due or $10, whichever is more. It can never be more than the tax itself. Your county or city sets its own penalty up to that cap. law.lis.virginia.govOct 21
- Most the interest can be: Interest can start the day after the due date, at no more than 10% a year. From the second year late it can be 10% or the federal IRS rate, whichever is higher. law.lis.virginia.govOct 21
Good to know in Virginia
- Appealing your value: Fairfax County has three levels of appeal: an administrative review by the Department of Tax Administration (DTA), the Board of Equalization (BOE) and circuit court. Starting with DTA is encouraged but not required. More fairfaxcounty.govOct 21
- Homestead exemption: A veteran with a 100 percent service connected, permanent and total disability rating doesn't pay real estate tax on the home they live in as their principal residence, plus up to one acre of land. More law.lis.virginia.govOct 21
Free reminders from the county
- Fairfax County sends tax deadline reminders by email or text through Fairfax Alerts if you sign up and pick the tax category. Sign up with the county
Official offices
Places in Fairfax County
Among them: Annandale, Bailey's Crossroads, Belle Haven, Braddock, Bull Run, Burke, Burke Centre, Centreville, Chantilly, Clifton, Crosspointe, Difficult Run, Dranesville, Dunn Loring, Fairfax Station, Fair Lakes, Fair Oaks, Floris, Fort Belvoir, Fort Hunt, Franconia, Franklin Farm, George Mason, Great Falls, and 46 more. Every place in the county gets the dates above.
Nearby in the Virginia list
CraigCulpeperCumberlandDickensonDinwiddieEssexFauquierFloydFluvannaFranklinFrederickGiles