4 data center projects in Unincorporated Fairfax County
Who decides here: the Fairfax County Board of Supervisors decides on zoning for land outside city and town limits.
In Unincorporated Fairfax County
Plaza 500 data center (Edsall Road, Bren Mar)
Fairfax County, Fairfax County
34 acres
🕒 Feb 16, 2026: Local homeowner association leaders asked the county to swap the site for affordable hou…
Reported in the news, not confirmed yet
ProposedStarwood data center on county police training land (3721 Stonecroft Blvd, Chantilly)
Fairfax County, Fairfax County
41.7 acres
🕒 March 17, 2026: Board of Supervisors voted 9-0 to approve the land sale.
ProposedStarwood Word of Grace data center (Renaissance Tech Park, Herndon area)
Fairfax County, Fairfax County
8 acres
🕒 Dec 2025: Starwood filed site plans and an initial air permit.
Reported in the news, not confirmed yet
ProposedServerfarm data center at 7980-7990 Quantum Drive (Tysons)
Fairfax County, Fairfax County
🕒 March 11, 2026: Serverfarm's attorney filed a statement supporting its special exception request.
Reported in the news, not confirmed yet
Nearby (within 15 miles)
Dulles South Innovation Center (Sanders Lane)
Prince William County, Prince William County
2,000 acres
🕒 July 7, 2026: Board of County Supervisors voted 8-0 to deny the comprehensive plan change.
Approved, not built yetabout 14 miles awayDevlin Technology Park (Bristow)
Prince William County, Prince William County
270 acres · for Amazon Web Services
🕒 Nov 2025: Amazon Data Services bought most of the site for about $700 million.
Stopped or cancelledabout 14 miles awayPrince William Digital Gateway (Pageland Lane)
Prince William County, Prince William County
2,100 acres
🕒 April 30, 2026: QTS appealed to the Virginia Supreme Court.
Approved, not built yetabout 14 miles awayData center on Prince William Parkway near Hornbaker Road
Prince William County, Prince William County
40 acres
🕒 March 3, 2026: Board of County Supervisors approved the project 4-3.
Proposedabout 14 miles awayGardner Property data centers (former Hillwood campground, Gainesville)
Prince William County, Prince William County
🕒 Aug 13, 2026: Developer held a community meeting.
Proposedabout 14 miles awayProject Industry data center (Wellington Road, Brentsville District)
Prince William County, Prince William County
42 acres
🕒 Sept 1, 2026: Board of County Supervisors deferred its vote.
Fairfax County Planning Commission. Anyone can come and speak.
Local votes and rules
📜 Data center rules
Supervisors adopted new zoning rules for data centers: at least 200 feet from homes, at least 1 mile from Metro stations, noise studies required, and outdoor equipment such as generators and cooling units set back 500 feet.
What you can do
- Get told first.
We'll email you if anything changes in Unincorporated Fairfax County. - Go to county meetings.
Anyone can speak. Big projects usually need a public hearing. - Ask questions in writing.
Use our checklist.
🔔 Get told first
⚡ Your electric company
Depending on where you live in Unincorporated Fairfax 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.
🙋 Open tasks here
- How much power would the data center use?
- Will the Planning Commission approve the Edsall substation?
- How big will the data center be, and when will plans be filed?
- Is the site inside the Town of Herndon or unincorporated Fairfax County?
- When is the public hearing?
- How much power will it use?