Cyrusone Loudoun Tech Center
21110 RIDGETOP CIRCLE
Parcel boundary
Recorded as in service.
- Status
- Operating
- Owner
- CyrusOne
- Capacity
- not stated
- Location known to
- Parcel boundary
- County
- Loudoun County
- State
- Virginia
- Electric utility
- Not identified
- Grid operator
- PJM
Location and nearby
Cyrusone Loudoun Tech Center is on record as operating in Loudoun County, Virginia. 399 other campuses are on record within 25 miles, 142 of them within 5 miles. The nearest is 0.09 mi away.
Nearest of each kind: Operating 0.09 mi Under construction 2.4 mi Permitted 0.11 mi Proposed 0.64 mi
Nearest campuses on record
- 0.09 mi
Cyrusone Northern Virginia Data Center - Maries Road
Operating · Loudoun County, VA
- 0.11 mi
Permitted · Loudoun County, VA
- 0.15 mi
Operating · Loudoun County, VA
- 0.17 mi
Operating · Loudoun County, VA
- 0.25 mi
Operating · Loudoun County, VA
- 0.28 mi
Inova Health Care Systems - IT Operations
Permitted · Loudoun County, VA
What is on record
Owner
CyrusOne Strong
The chain
-
permittee name as filed with EPA
CYRUSONE LOUDOUN TECH CENTER
EPA ECHO Exporter, all facilities (weekly refresh) · Sep 6, 2026
Filed by: 21110 RIDGETOP CIRCLE LLC
Sources name more than one company here: CenterSquare, CyrusOne. That usually means a building with tenants. No source we hold says which is the landlord, so we do not guess.
- Address on file
- 21110 RIDGETOP CIRCLE
- Capacity
- not stated
- Building area
- 136,482 sq ft
- Diesel generators
- Air permit on record VA0000005110700885 VA0000005110701042
- Water
- Not collected. State water withdrawal permits are not in this build.
- Electric utility
- More than one utility serves this county, and no filing we hold names which one
- Also recorded as
- 21110 RIDGETOP CIRCLE LLC · CYRUSONE LOUDOUN TECH CENTER · CenterSquare (formerly Cyxtera) · Centersquare · Centersquare IAD1-C · Centersquare IAD1-C 21110 Ridgetop Circle and 6 more
Buildings and phases
7 distinct buildings, parcels or permits make up this campus.
| Name or address | Status | Permit | Area | Date |
|---|---|---|---|---|
| Loudoun Tech Center | Operating | not stated | not stated | Sep 8, 2026 |
| Loudoun Tech Center | Operating | not stated | not stated | Sep 8, 2026 |
| Loudoun Tech Center | Operating | not stated | not stated | Sep 8, 2026 |
| Loudoun Tech Center | Operating | B10034630100 | 136,482 sq ft | Sep 8, 2026 |
| Data center at 21110 RIDGETOP CIR | Permitted | not stated | not stated | Aug 16, 2024 |
| Centersquare IAD1-C | Operating | not stated | not stated | Sep 19, 2025 |
| Data Center - 2001 BP (3.1 Acres) | Operating | not stated | not stated | Sep 8, 2026 |
How the status changed
- Operating Feb 12, 2001
Loudoun County VA GIS: existing and permitted data center buildings: BUILT
Loudoun County VA GIS: existing and permitted data center buildings
- Permitted Aug 16, 2024 inferred
Northern Virginia Regional Commission: data centers: Existing or Permitted
- Operating Sep 19, 2025 inferred
osm footprint
Overpass data_center query, tile conus-e1 bbox 24.0,-85.0,50.0,-75.0
- Operating Jun 18, 2026 inferred
DCE status 'operating'
- Operating Sep 8, 2026 inferred
Loudoun County VA GIS: parcels in data center land use (by-right): Data Center
Loudoun County VA GIS: parcels in data center land use (by-right)
- Operating Sep 8, 2026 inferred
Loudoun County VA GIS: parcels in data center land use (by-right): Data Center
Loudoun County VA GIS: parcels in data center land use (by-right)
- Operating Sep 8, 2026 inferred
Loudoun County VA GIS: parcels in data center land use (by-right): Data Center
Loudoun County VA GIS: parcels in data center land use (by-right)
- Operating Sep 8, 2026
Loudoun County VA GIS: existing data center parcels: BUILT Existing
- Operating Sep 8, 2026 inferred
Loudoun County VA GIS: data center building outlines: Data Centers Building Outlines_08-14-2024/Existing Data Cent
- Operating Sep 8, 2026 inferred
Cleanview status 'Operating'
Cleanview state pages: facility markers (id, name, coordinates, status, MW, county)
- Permitted Sep 6, 2026
epa air permit active
- Permitted Sep 6, 2026
epa air permit active
About this data
Evidence
Primary record
A government filing, a federal permit, an assessor parcel or the operator’s own page.
Location known to
Parcel boundary
Matched to an assessor parcel, so the boundary is the parcel.
Independent sources
4
directory, federal permit, government record, osm footprint. Directories count once between them, because they copy each other.
Spotted something wrong? Tell us and we will fix it.
Where this comes from
12 source records back this page. Each row is a document we retrieved and kept, so a claim can be checked against the original.
| Document | Role | Row | Date |
|---|---|---|---|
| Loudoun County VA GIS: parcels in data center land use (by-right) US-VA-Loudoun | Primary | OBJECTID=653 | Sep 8, 2026 retrieved by us |
| Loudoun County VA GIS: parcels in data center land use (by-right) US-VA-Loudoun | Primary | OBJECTID=654 | Sep 8, 2026 retrieved by us |
| Loudoun County VA GIS: parcels in data center land use (by-right) US-VA-Loudoun | Primary | OBJECTID=655 | Sep 8, 2026 retrieved by us |
| Loudoun County VA GIS: existing data center parcels US-VA-Loudoun | Primary | OBJECTID=7 | Sep 8, 2026 retrieved by us |
| EPA ECHO Exporter, all facilities (weekly refresh) US | Primary | REGISTRY_ID=110044950274 | Sep 6, 2026 last changed on the server |
| EPA ECHO Exporter, all facilities (weekly refresh) US | Primary | REGISTRY_ID=110064024452 | Sep 6, 2026 last changed on the server |
| Loudoun County VA GIS: existing and permitted data center buildings US-VA-Loudoun | Primary | OBJECTID=89 | Sep 8, 2026 retrieved by us |
| Northern Virginia Regional Commission: data centers US-VA | Primary | OBJECTID=107 | Sep 8, 2026 retrieved by us |
| Overpass data_center query, tile conus-e1 bbox 24.0,-85.0,50.0,-75.0 US | Primary | osm=way/52094294 | Sep 19, 2025 stated in the file |
| Loudoun County VA GIS: data center building outlines US-VA-Loudoun | Primary | OBJECTID=26 | Sep 8, 2026 retrieved by us |
| Cleanview state pages: facility markers (id, name, coordinates, status, MW, county) US | Primary | id=2758 | Sep 8, 2026 retrieved by us |
| dce tracker export (© DataCentersExposed contributors, datacentersexposed.com, ODbL 1.0. Contains data © OpenStreetMap contributors.) US | Primary | slug=centersquare-iad1-c-osmway-52094294 | Jun 18, 2026 last changed on the server |
Cleanview (cleanview.co) © DataCentersExposed contributors, datacentersexposed.com, ODbL 1.0. Contains data © OpenStreetMap contributors.
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