County’s Tax Windfall Faces A New Threat

Technician with laptop in a large data center aisle
Photo: Gorodenkoff / Shutterstock

Loudoun County depends on data centers for roughly four out of every ten General Fund dollars, yet leaders are moving to slow new projects anyway.

Story Highlights

  • County materials say data centers produce about 38% of General Fund revenue.
  • Officials kept the high equipment tax rate for 2026–2027, signaling ongoing reliance.
  • Supervisors advanced a motion to pause some data center and substation applications.
  • Planners proposed tighter limits, including making data centers a conditional use.

What Loudoun Admits About the Money

Loudoun County’s budget communications state that data centers generate more than one-third of the county’s General Fund revenue, with leaders citing a 38% share in recent budget talks. County messaging also says data centers have helped cut the real property tax rate for a decade, leaving it the lowest in Northern Virginia. These facts make the industry a central pillar of county finances and a visible reason why many homeowners pay less than they otherwise would.

The county also kept its general personal property tax rate at $4.15 per $100 in assessed value for tax years 2026 and 2027, a rate that applies to equipment inside data centers. That choice signals continued reliance on the personal property tax base tied to servers and related gear. County leaders praise the benefits, but the same materials flag volatility, which is why they created tools to cushion swings in this revenue stream.

Why Officials Are Eyeing the Brakes

The Board of Supervisors advanced a proposal from Supervisor Juli E. Briskman to let the county pause data center applications, site plans, and substation requests while zoning updates are finished. Planning staff recommended converting data centers from by-right to conditional use in all place types and narrowing where they can be built. These steps mark a shift from aggressive growth to tighter control, even as the tax base remains a budget anchor.

County budget documents describe a Revenue Stabilization Fund created in 2023 to manage gaps between budgeted and actual data center revenues. The fund reached full funding in fiscal year 2026, with a $39.7 million allocation that year. This safety net shows county leaders see concentration risk. The government is trying to bank a buffer in case equipment values drop, demand cools, or depreciation outpaces new investment.

The Tradeoff for Homeowners and Services

County pages emphasize that data center revenues allowed steady cuts to the real property tax rate and helped fund schools and services. That is the upside residents can see in their bills. But a tax base this concentrated can turn quickly if the industry slows or rules tighten. The county has not published a clear stress test showing how much rates would rise if growth pauses, which leaves both supporters and critics debating outcomes rather than numbers.

Regional reporting highlights infrastructure strain and power constraints as growth continues, reinforcing why leaders want more control while keeping the money flowing. The move to pause some applications and add conditions aims to balance budget needs with land use, noise, and grid concerns. For many residents on the left and the right, this feels familiar: leaders chasing revenue today while leaving families exposed if a single industry stumbles tomorrow.

What To Watch Next

Watch three signals. First, look for audited breakdowns that separate data center personal property taxes, real property taxes, and fees over several years; that would pin the risk more precisely. Second, watch whether the county publishes downside scenarios for a slowdown; that would show how rates and services might change. Third, track whether the Board adopts the conditional-use rules and how many projects, if any, are paused under the proposed authority.

Sources:

loudoun.gov, loudouncoalition.org, prcsinfo.loudoun.gov, linkedin.com, va-loudouncounty.civicplus.com, virginiabusiness.com