Cross Mill Center Data Center Site (Sycolin Road, south of Leesburg, Loudoun County)

Cross Mill Center — two proposed data center buildings (site plan EPLAN-2026-0140)

Announced last observed as of 2026-09-17 · Project announcement

The county zoning layer returns, at the Cross Mill Center application centroid, the IP (Industrial Park) district of the 2023 zoning ordinance with project number ZMAP-2023-0002 and zoning date 15 July 2025; the district description is office, light production, flex space and warehousing uses. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · publication date not stated

Fifteen county parcels intersect the bounding box of the Cross Mill Center application polygon. Seven lie wholly inside it and none of the others overlaps it: PINs 192163918000, 192164105000, 192169020000, 193461044000, 193462583000, 193463445000 and 193467168000, with 20.883 legal acres in total (the rezoning names 20.91 acres); their union equals the application polygon (symmetric difference 0.0 acres). The adjoining parcels include units 6 and 7 of the NOVA 1 Business Park land condominium (the Project Celtics campus), which do not overlap the application polygon. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · publication date not stated

The county issued-permits table lists a single permit on the seven Cross Mill Center parcels: a 2012 health-department sewage treatment system permit on PIN 192169020000. No building, zoning, grading or land-disturbance permit for the data center site plan has been issued. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · published 2026-10-26

The county submitted-permits table returns no pending permit application on the seven Cross Mill Center parcels. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · publication date not stated

The Project Celtics Phase 1 site plan STMP-2022-0001 and Phase 2 plan EPLAN-2023-0063 ('Proposed buildings 3, 4, and 5 of the Celtics Campus') share a two-part application polygon of 145.02 geodesic acres whose centroid (-77.5451373, 39.0550307) is the Atlas campus locator for Project Celtics. The Cross Mill Center application polygon does not overlap it; the closest edges are about 8.6 m apart and the two centroids 991 m apart. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · publication date not stated

The 457 land-development applications filed between 25 July and 26 October 2026 include two new site plans for data center buildings: Twin Creeks Buildings 1-3 (EPLAN-2026-0111, 29 July 2026, before the admission window) and EPLAN-2026-0140 Cross Mill Center (17 September 2026), the only one filed on or after 2 August 2026. Other data-centre records in the period are performance bonds, plats, premeetings and minor amendments for older plans (for example Ridgetop Center, Manekin Plaza, Tech Park at Dulles, Dulles Electric Data Centers, Sterling Technology Park and Prologis Park Building 4); no later Cross Mill Center record (approval, bond or revision) appears. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · published 2026-10-26

Field list of the county land-development applications polygon layer (PlanNumber, PlanApplicationDate, PlanType, PlanStatus, PlanDescription, PlanName); date fields are referenced to Eastern time with daylight saving. evidence

Loudoun County, Virginia (Department of Building and Development / Office of Mapping and Geographic Information) · publication date not stated