The Fairfax County Board of Supervisors has approved a purchase and sale agreement to sell about 41.7 acres of the 128-acre Stonecroft property to a private data center developer for $166.8 million. The property is currently used for police training facilities not optimally located on the 128-acres. By reconfiguring the site layout, land is freed up for private development in exchange for funding new, modern police training facilities on the county-retained portion of the property while supporting the county’s long-term economic sustainability. The site is located in an established industrial area near Dulles Airport and surrounded by office parks and other data centers.
The property is part of the Police Department’s training facility. The site currently includes areas used for firearms training, K-9 training and driver training.
Next Steps: Project Timeline
With approval of the purchase and sale agreement, the project will move forward through several phases:
- Contingency period: Spring 2026 – Spring 2027
- Closing: Spring 2027 (if no extensions)
- Design and permitting for County redevelopment: Spring 2026 – Summer 2028
- Construction of new police training facilities: Summer 2028 – Spring 2031
Benefits for Public Safety
Money from the land sale will help fund new and updated police training facilities. Planned improvements include:
- A new emergency vehicle operations driving track
- A modern firearms training center and firing ranges
- Support buildings and improved site infrastructure
A new Criminal Justice Academy, funded separately through the county’s Capital Improvement Program, will also be located at the site.
Bringing these facilities together in one location will reduce long-term maintenance costs and improve training for both new recruits and current officers. Police may continue using parts of the Stonecroft property until construction of the new facilities begins. The county also plans to lease temporary training space if needed, and training operations are not expected to be significantly disrupted.
Supporting Economic Sustainability
Fairfax County relies heavily on residential real estate taxes, which make up more than 75% of the county’s tax base. The land sale will help diversify revenue sources. Once development is complete, the project is expected to generate more than $20 million in tax revenue in its first year.
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