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Real Estate
Loudoun County Property Tax: A Homeowner’s Guide
If you own a home in Ashburn, Leesburg, Sterling, or anywhere else in the area, understanding Loudoun County property tax is one of the more useful things you can do as a homeowner this year. Your annual bill is shaped by two things working together: the assessed value of your home and the tax rate set each spring by the Board of Supervisors. When assessments jump, your tax bill can move in ways that catch you off guard, and knowing how the system works puts you in a better position to plan ahead, budget accurately, and push back when something looks off.
As the top Loudoun County real estate agents for buyers and sellers, we often get questions about property taxes. Homebuyers want to know what they're signing up for before closing, and sellers want to understand how taxes factor into pricing and negotiation. Other homeowners want to know if their latest assessment is reasonable or worth challenging. This guide walks through the essentials, including the current rates as of 2026, how your home is assessed, and what to do if you think the county got your number wrong.
Important: Before making any decisions, be sure to consult with a qualified attorney or tax professional.
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