The Hidden Tax Break in Your Backyard: - Chamber of Progress

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Insights • Technology Policy • Artificial Intelligence

The Hidden Tax Break in Your Backyard

How Data Centers Cut Property Taxes

The Hidden Tax Break in Your Backyard

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If data centers disappeared from Virginia’s Loudoun County tomorrow, the typical homeowner wouldn’t just notice — they’d get a tax bill about $5,800 higher each year.

That’s not a projection or a talking point. It’s what the latest Virginia data shows actually happens if you remove one of the most valuable pieces of the local tax base.

Data centers have drawn substantial public attention in recent years, largely because of concerns about their energy consumption, water use, and environmental footprint. Much of this debate has relied on projections and national-level estimates rather than on observed outcomes in places where the industry is already well established.

The 2026 Virginia Data Center Report, prepared by Mangum Economics for the Northern Virginia Technology Council (NVTC), provides a detailed empirical baseline. The report quantifies the fiscal and economic contribution of data centers in Northern Virginia and the Commonwealth using 2024 and 2025 data drawn from county budgets, tax records, and employment figures.

Building on the NVTC report, this analysis examines the fiscal contribution of data centers to Northern Virginia local governments. It focuses on two questions. First, how do data centers alter the composition of a local tax base in ways that affect residential property owners? Second, what has the measurable impact been in Northern Virginia, specifically Loudoun County, the county with the most concentrated data center footprint in the region?

How data centers change the local tax equation

Local governments in Virginia rely heavily on property taxes to fund core public services, including public schools, road maintenance, fire and rescue, and libraries. In jurisdictions without a substantial commercial tax base, the majority of that revenue comes from residential property owners.

Data centers reshape local tax bases in a distinctive way. They are among the highest-value commercial properties per acre in any real estate market, which allows them to generate significant property tax revenue on a relatively small land footprint. Because data centers also pay personal property taxes on the high-value computer equipment they house, and because that equipment is typically replaced on a five- to seven-year cycle, their contribution to a locality’s tax base grows in both the real property and personal property categories as facilities are built and upgraded.

In 2024, data centers across Northern Virginia paid an estimated $1.3 billion directly in property taxes to local governments. When additional local revenue generated through the sales, meals, occupancy, and business license taxes associated with data center construction and operations is included, total local government revenue supported by data centers in Northern Virginia exceeded $2 billion in the same year.

Northern Virginia localities have deployed that revenue in different ways, often in direct support of housing affordability, education, and public safety. Henrico County, in Central Virginia, seeded a $60 million Affordable Housing Trust Fund with data center tax revenue and intends to continue replenishing the fund through ongoing data center contributions. The Trust Fund is projected to subsidize the construction of roughly 150 affordable housing units per year over five years, for a total of 750 units, and has already provided $8.3 million in assistance to qualifying first-time home buyers. Mecklenburg County, in Southern Virginia, advanced a multi-site elementary school construction program financed by a tax base strengthened by Microsoft’s data center operations, with planned spending exceeding $90 million across three new schools for fiscal years 2025–2030. These examples are consistent with a broader pattern across Virginia: data center revenue is flowing into the public services that most directly shape residents’ daily lives.

The question, for residents of Northern Virginia, is how much that revenue actually changes the fiscal burden they personally carry. The NVTC report answers that question directly, and the answer is significant.

The numbers: what actually happened in Northern Virginia

1. The counterfactual: what residents would pay without data centers

The clearest way to quantify the fiscal benefit of data centers to Northern Virginia residents is to ask a counterfactual question. If data centers were not present in a given county, how much would residential property tax rates need to rise to replace the lost revenue and maintain current service levels? The 2026 NVTC report calculated that figure for three Northern Virginia counties using 2024 data.

The results are summarized below. In Culpeper County, the residential real property tax rate would need to rise from $0.430 to $0.577 per $100 of assessed value, a 34 percent increase. In Prince William County, the rate would need to rise from $0.906 to $1.169 per $100, a 29 percent increase. In Loudoun County, the rate would need to rise from $0.805 to $1.537 per $100, a 91 percent increase.

2. What the Loudoun figure means in practical terms

The Loudoun figure merits particular attention. A residential tax rate that nearly doubles is not a modest fiscal adjustment. For a home assessed at $800,000, which is close to the current Loudoun County median, the annual property tax liability would rise from approximately $6,440 at the current rate to approximately $12,296 at the counterfactual rate, an increase of roughly $5,856 per year. Compounded over a typical homeownership period, that difference represents tens of thousands of dollars in additional tax liability for each household.

3. Beyond property taxes: the regional economic footprint

Beyond their direct fiscal contribution, data centers support a substantial share of economic activity across Northern Virginia. In 2025, data centers in the region directly supported approximately 15,210 operational jobs and 29,075 construction jobs, with $4.1 billion in employee pay and benefits and $18.7 billion in direct economic output. When indirect and induced effects are included, total economic activity associated with data centers reached 87,560 jobs, $7 billion in pay and benefits, and $31.8 billion in economic output regionally.

The employment base is larger than several more familiar sectors. Data centers in Northern Virginia directly employ more workers than the region’s child day care services, airlines, private K–12 schools, retail clothing stores, and landscaping services. Beyond direct employment, data center construction and operations support a diverse supply chain of architectural, engineering, electrical, HVAC, and materials firms, many of which are based in Virginia.

Important nuances

Several qualifications are worth noting. First, a lower residential tax rate does not automatically produce a lower tax bill year over year. Home values have risen significantly across Northern Virginia over the past decade. A homeowner whose assessment increases by 15 percent may still see a higher annual bill even when the rate falls by five percent. What data center revenue does is shift the composition of the overall tax burden, so that residential property owners pay a smaller share of total county revenue than they would in the absence of a commercial base of this scale.

Second, the long-term sustainability of the current revenue structure is not guaranteed. A local fiscal structure that draws heavily from a single industry presents concentration risk. The NVTC report documents continued expansion of the data center industry across additional Virginia counties, including new projects in Botetourt, Wythe, Prince Edward, and King George, which partially diversifies the geographic base of the industry within the State.

Third, this analysis addresses fiscal impact only. The land use consequences of data center development, including demands on land, water, and power, and the relatively low density of direct employment these facilities produce, raise a separate set of policy questions.

Following the money

The fiscal contribution of data centers to Northern Virginia is not an abstraction. In 2024, the industry paid approximately $1.3 billion in direct property taxes to local governments across the region and supported more than $2 billion in total local government revenue when indirect and induced effects are included. Without those contributions, residential property tax rates in Culpeper, Prince William, and Loudoun counties would need to rise by between 29 and 91 percent to maintain current service levels. In Loudoun alone, the increase would add approximately $5,856 per year to the property tax bill on a median-valued home.

Concerns about data center development, including concerns about energy consumption and land use, warrant attention. A comprehensive assessment of the net effect of data center development on Northern Virginia, however, should account for what the 2026 NVTC report quantifies: residential property taxes are meaningfully lower across the region than they would otherwise be, investments in housing, schools, and public safety are larger, and the regional economy generates tens of billions of dollars in output and tens of thousands of jobs in direct and indirect support of the industry. That record merits attention in jurisdictions weighing similar decisions and in the broader national conversation about where and how data center growth should proceed.

None of this resolves the real tradeoffs around land use, energy, or growth. But it does clarify the baseline: in places like Northern Virginia, data centers are not just an industry — they are a central pillar of the local tax system. Ignoring that reality means misunderstanding the stakes of the debate.

Data centers may be controversial. But in Northern Virginia, they’re also doing something few policies can: quietly lowering the tax bill for nearly every homeowner.

Written by Kaitlyn Harger

Kaitlyn Harger, Ph.D., is Senior Economist and Research Director at the Chamber of Progress, where she analyzes how technology policy and taxation affect consumers, small businesses, and state budgets.

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