TAXES
The county’s largest revenue source is property tax revenue. FY 2025 was another year of revenue and tax base growth, with a property tax revenue increase of approximately $104.4 million from FY 2024. Property tax includes real property and personal property. Real property is assessed annually at 100% fair market value, with the date of value being January 1. The increase in real property and personal property taxes was a result of growth in assessment values. The growth in the new construction of commercial properties, increase in assessed values of commercial properties, personal property taxes on computer equipment and vehicles were the main factors driving the increase in revenues.
In April 2025, the Board set the calendar year 2025 real property tax rate at $0.805 per $100 of assessed value, $0.060 lower than the previous rate of $0.865 for the calendar year 2024. The increase in real property values enabled the county to decrease the real property tax rate while still providing sufficient revenue to support Loudoun County government and Loudoun County Public Schools operations that continue to feel the impact of the county’s sustained population growth. Over the past decade, as the assessed real property tax values appreciated, the Board has reduced the property tax rates.
ASSESSED VALUE OF TAXABLE PROPERTY
PROPERTY TAXES (REAL & PERSONAL)
$30,000,000,000 $40,000,000,000 $50,000,000,000 $60,000,000,000 $70,000,000,000 $80,000,000,000 $90,000,000,000 $100,000,000,000 $110,000,000,000 $120,000,000,000
$2,900,000,000
$2,400,000,000
$1,900,000,000
$1,400,000,000
$900,000,000
$400,000,000
2015
2017
2019
2021
2023
2025
Fiscal Year
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
REAL PROPERTY TAX AND TAXABLE VALUE OF REALPROPERTY $0.790 $0.840 $0.890 $0.940 $0.990 $1.040 $1.090 $1.140 $1.190
30,000,000,000 40,000,000,000 50,000,000,000 60,000,000,000 70,000,000,000 80,000,000,000 90,000,000,000 100,000,000,000 110,000,000,000 120,000,000,000
Taxable Value of Real Property
Real Property Tax Rate
Real Property tax rates are per $100 of assessed value
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Fiscal Year
TOP 10 TAXPAYERS
Rank
Business Name
Assessed Value
% of Taxable Assessed Value
1.61% 1.53% 1.35% 0.85% 0.83% 0.79% 0.73% 0.58% 0.56% 0.55%
Digital Loudoun 3 LLC NTT Global Data Centers VA LLC Amazon Data Services Inc Digital Loudoun Pkwy Ctr North LLC Equinix LLC Microsoft Corp Aligned Energy Data Centers IAD Propco LLC Kaveh Ventures LLC
1 2 3 4 5 6 7
$2.76 Billion $2.63 Billion $2.31 Billion $1.47 Billion $1.42 Billion $1.35 Billion $1.26 Billion
8 9 10
$991.31 Million $966.50 Million $951.40 Million
C1 Norther Virginia Sterling V LLC Compass Datacenters IAD I LLC
7
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