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USA β€Ί Virginia β€Ί Prince William County β€Ί Unincorporated Prince William County

13 data center projects in Unincorporated Prince William County

Who decides here: the Prince William County Board of Supervisors decides on zoning for land outside city and town limits.

In Unincorporated Prince William County

Stopped or cancelled

Prince William Digital Gateway (Pageland Lane)

Prince William County, Prince William County

2,100 acres

πŸ•’ April 30, 2026: QTS appealed to the Virginia Supreme Court.

Stopped or cancelled

Dulles South Innovation Center (Sanders Lane)

Prince William County, Prince William County

2,000 acres

πŸ•’ July 7, 2026: Board of County Supervisors voted 8-0 to deny the comprehensive plan change.

Approved, not built yet

Devlin Technology Park (Bristow)

Prince William County, Prince William County

270 acres Β· for Amazon Web Services

πŸ•’ Nov 2025: Amazon Data Services bought most of the site for about $700 million.

Approved, not built yet

Data center on Prince William Parkway near Hornbaker Road

Prince William County, Prince William County

40 acres

πŸ•’ March 3, 2026: Board of County Supervisors approved the project 4-3.

Proposed

Project Industry data center (Wellington Road, Brentsville District)

Prince William County, Prince William County

42 acres

πŸ•’ Sept 1, 2026: Board of County Supervisors deferred its vote.

Proposed

Yondr and Cerberus 72 MW campus (Manassas area)

Prince William County, Prince William County

40 acres

πŸ•’ Aug 3, 2026: Yondr and Cerberus announced they bought the 40-acre site.

Reported in the news, not confirmed yet

Approved, not built yet

LHR Gainesville data center campus (Linton Hall Road, Bristow)

Prince William County, Prince William County

196 acres

πŸ•’ Oct 2025: Army Corps of Engineers took public comments on a wetlands permit.

Reported in the news, not confirmed yet

Being built

NTT Grove at Gainesville campus (I-66 and U.S. 29)

Prince William County, Prince William County

πŸ•’ July 2024: First building was rising along I-66.

Reported in the news, not confirmed yet

Stopped or cancelled

STACK Bristow Campus (Linton Hall and Nokesville roads)

Prince William County, Prince William County

58 acres

πŸ•’ Sept 9, 2025: Board of County Supervisors denied the Bristow Campus 4-2.

Being built

Microsoft data center on Hansen Farm Road

Prince William County, Prince William County

for Microsoft

πŸ•’ May 2024: Construction began.

Reported in the news, not confirmed yet

Being built

Microsoft data center on Jacksonville Avenue

Prince William County, Prince William County

for Microsoft

πŸ•’ Jan 2024: Site preparation began.

Reported in the news, not confirmed yet

Stopped or cancelled

Quantico Ridge data center plan (Dumfries Road, near Prince William Forest Park)

Prince William County, Prince William County

160 acres

πŸ•’ May 2026: Comprehensive plan amendment request withdrawn.

Reported in the news, not confirmed yet

Proposed

Gardner Property data centers (former Hillwood campground, Gainesville)

Prince William County, Prince William County

πŸ•’ Aug 13, 2026: Developer held a community meeting.

Nearby (within 15 miles)

Local votes and rules

πŸ—ΊοΈ Zoning change

Supervisors unanimously shrank the Data Center Opportunity Zone Overlay District from about 9,700 to 3,500 acres. Most new data centers will now need a special use permit with a public hearing. Projects already filed get a 90-day grace period.

Sept 22, 2026Source

βœ‹ Turned down

Supervisors voted 8-0 to reject a land-use plan change for the Dulles South Innovation Center, a proposed campus of about 43 million square feet of data centers on 1,940 acres of homes and farms near Sanders Lane (Gainesville District).

July 7, 2026Source

βš–οΈ Court case

Neighbors sued over the county's December 2023 rezoning for the 2,100-acre Prince William Digital Gateway. A judge voided it because the newspaper notices were not spaced far enough apart, and the Court of Appeals agreed on March 31, 2026. The county stopped defending it in April, and QTS dropped its last appeal on July 2, 2026, ending the project.

March 31, 2026Source

πŸ“œ Data center rules

Supervisors voted 5-2 to update the noise law so data center cooling systems must meet noise limits around the clock: 73 decibels by day and 68 at night, measured on the 'C' scale that captures low hum. Residents and the county's advisory group had asked for a stricter method.

Oct 2025Source
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

What you can do

  1. Get told first.
    We'll email you if anything changes in Unincorporated Prince William County.
  2. Go to county meetings.
    Anyone can speak. Big projects usually need a public hearing.
  3. Ask questions in writing.
    Use our checklist.
πŸ“£ Report something here

πŸ”” Get told first

We'll email you when something changes in Unincorporated Prince William County. Nothing else.

⚑ Your electric company

Depending on where you live in Unincorporated Prince William County: Virginia Electric & Power Co. (company) or Northern Virginia Electric Co-op (co-op (owned by its members)).

Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Virginia.

πŸ™‹ Open tasks here

  • Will the Virginia Supreme Court agree to hear QTS's appeal?
  • When will construction start, and how many buildings will Amazon build?
  • Who is the developer and who will use the data center?
  • When will supervisors vote?
  • How big would the data center be?
  • Exactly where is the site, and is it inside the City of Manassas or the county?
  • Does it need a rezoning or public hearing?
  • Did the Army Corps of Engineers grant the wetlands permit?
  • Has construction started?
  • How many of the four buildings are finished?
  • Is the building finished and running?
  • Is the building finished and running?
  • Will the developer try again?
  • When will the Planning Commission and supervisors vote?
  • Who will use the data centers?

How to help β†’