Personal property taxes due oct. 5 falls on a saturday in 2024, the due date is extended to monday, oct. Verkkofairfax county residents could see their property taxes increase by $666 on average, based on a proposed $4. 85 billion budget presented by fairfax. Verkkohomeowners in fairfax county, virginia, will see their yearly tax bill increase as part of the fiscal 2025 budget leaders approved tuesday. As part of the. Verkkothe department of tax administration (dta) is charged with uniformly assessing and collecting taxes and fees for fairfax county. Accordingly, we want you to know that. Verkkosign points to the department of tax administration in the fairfax county government center (staff photo by angela woolsey) the fairfax county county board of supervisors is exploring its taxing options, including possible.