Browse › Loudoun County › Data center

21110 Ridgetop Circle LLC

Operating on Virginia DEQ's records · 45901 Nokes Blvd, Sterling 20166 · Loudoun County · ZIP 20166

See it on the map

Air permits

• 73160-6, issued Oct 30, 2019 (Article 6 - mNSR)

Schools within 2 miles

• Park View High (Sterling), 0.74 mi
• Sterling Elementary (Sterling), 1.05 mi
• Potowmack Elementary (Sterling), 1.38 mi
• Countryside Elementary (Sterling), 1.42 mi
• Rolling Ridge Elementary (Sterling), 1.47 mi
• Sterling Middle (Sterling), 1.55 mi
• Guilford Elementary (Sterling), 1.56 mi
• Sugarland Elementary (Sterling), 1.72 mi
• Sully Elementary (Sterling), 1.91 mi
• Dominion High (Sterling), 1.95 mi
• W.O. Robey High (Sterling), 1.95 mi
• Horizon Elementary (Sterling), 1.99 mi

Other data centers within 1 mile

• CyrusOne Northern Virginia Data Center - Maries Road0.17 mi
  Operating 45905 Maries Road, Sterling · Loudoun County · air permit Oct 3, 2022
• CyrusOne Loudoun Tech Center0.26 mi
  Operating 21111 Ridgetop Circle, Sterling · Loudoun County · air permit Nov 1, 2016
• MECP1 Ashburn 2 LLC0.27 mi
  Planned 45831 Maries Road, Sterling · Loudoun County · air permit Sep 18, 2025
• Inova Health Care Systems - IT Operations0.42 mi
  Operating 45745 Nokes Blvd, Dulles · Loudoun County · air permit Jul 16, 2014
• Amazon Data Services, Inc. IAD-116 IAD-1170.52 mi
  Operating 45781 Maries Road, Sterling · Loudoun County · air permit Aug 8, 2025
• Amazon Data Services, Inc. IAD-10 IAD-32 IAD-98 IAD-99 IAD-118 IAD-119 IAD-1290.80 mi
  Operating 45630 Severn Way, Sterling · Loudoun County · air permit Aug 27, 2024

County filings within 2 miles

17 filings (land-use applications and site plans) that mention a data center, from Loudoun County records; 10 still in county review. Filings come before any DEQ air permit, so some of these may not be on DEQ's records yet.

• CLARKE HOOK CENTER0.07 mi
  Site plan in review Site plan STPL-2022-0052, filed Nov 4, 2022 · Loudoun County · on the map
  (Conditional Approval) CLARKE HOOK CENTER : REQUEST APPROVAL OF A SITE PLAN (STPL) TO CONSTRUCT ONE DATA CENTER, IN THE PLANNED DEVELOPMENT - INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• RIDGETOP CENTER0.11 mi
  Site plan in review Site plan STPL-2022-0051, filed Nov 4, 2022 · Loudoun County · on the map
  (Conditional Approval) RIDGETOP CENTER : REQUEST APPROVAL OF A SITE PLAN (STPL) FOR THE CONSTRUCTION OF TWO DATA CENTER BUILDINGS, IN THE PLANNED DEVELOPMENT - INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• MANEKIN PLAZA0.12 mi
  Site plan in review Site plan STPL-2022-0053, filed Nov 4, 2022 · Loudoun County · on the map
  (Conditional Approval) MANEKIN PLAZA : REQUEST APPROVAL FOR A SITE PLAN (STPL) TO CONSTRUCT ONE DATA CENTER, IN THE PLANNED DEVELOPMENT - INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• Horseshoe Drive0.24 mi
  Proposed: in county review Special exception SPEX-2025-0055, filed Jun 18, 2025 · Loudoun County · on the map
  HORSESHOE DRIVE: A Special Exception to allow for a 1.0 floor area ratio (FAR) of data center uses.
• Horseshoe Drive0.24 mi
  Proposed: in county review Legislative application LEGI-2024-0058, filed Nov 27, 2024 · Loudoun County · with Special exception SPEX-2024-0082 · on the map
  HORSESHOE DRIVE: A Special Exception to allow for a 1.0 floor area ratio (FAR) of data center uses.
• HORSESHOE DRIVE0.24 mi
  Site plan in review Site plan STPL-2023-0008, filed Feb 8, 2023 · Loudoun County · on the map
  (Conditional Approval) HORSESHOE DRIVE : REQUEST APPROVAL OF A SITE PLAN (STPL) TO BUILD A DATA CENTER, IN THE PLANNED DEVELOPMENT - INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• 45865 MARIES RD REZONING0.29 mi
  Approved by the county Rezoning ZMAP-2021-0014, filed Sep 8, 2021 · Loudoun County · on the map
  45865 MARIES RD REZONING : A Zoning Map Amendment to rezone 10 acres from A-3 to PD-IP and a Special Exception to permit a maximum 1.0 FAR for data center use.
• 45865 MARIES RD REZONING0.29 mi
  Approved by the county Special exception SPEX-2021-0038, filed Sep 8, 2021 · Loudoun County · on the map
  45865 MARIES RD REZONING : A Zoning Map Amendment to rezone 10 acres from A-3 to PD-IP and a Special Exception to permit a maximum 1.0 FAR for data center use.
• 45865 MARIES ROAD0.29 mi
  Site plan approved Site plan STPL-2023-0035, filed Jul 3, 2023 · Loudoun County · on the map
  45865 MARIES ROAD : REQUEST APPROVAL OF A SITE PLAN (STPL) FOR SITE IMPROVEMENTS FOR DATA CENTERS, IN THE PLANNED DEVELOPMENT INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• Thayer Road0.81 mi
  Site plan in review Site plan EPLAN-2026-0084, filed Jun 25, 2026 · Loudoun County · on the map
  THAYER RD DATA CENTER SPAM: THIS SPAM IS TO ADJUST THE BUILDING HEIGHT OF THE PROPOSED BUILDING FROM 45' TO 65'. NOTE THAT THE SIGNING ENGINEER FOR GORDON IS ONLY VALIDATING THE CHANGE IN BUILDING HEIGHT ON THE CLOUDED…
• Thayer Rd0.81 mi
  Site plan in review Site plan EPLAN-2024-0058, filed May 8, 2024 · Loudoun County · on the map
  (Conditional Approval) Thayer Road - This project consists of a proposed 2-story data center with a road around it, utilities, and other associated infrastructure.
• Dulles Design1.00 mi
  Site plan in review Site plan EPLAN-2024-0081, filed Jun 20, 2024 · Loudoun County · on the map
  (Conditional Approval) DULLES DESIGN DATA CENTER: Proposed 2-Story Data Center (STPL)
• 45360 SEVERN WAY DATA CENTER1.24 mi
  Site plan approved Site plan SPAM-2023-0004, filed Jan 19, 2023 · Loudoun County · on the map
  45360 SEVERN WAY DATA CENTER : REQUEST APPROVAL OF A SITE PLAN AMENDMENT (SPAM) TO THE PREVIOUSLY APPROVED SPAM-2017-0038 FOR A WATER TANK EXPANSION AND PARKING RECONFIGURATION, IN THE PLANNED DEVELOPMENT - INDUSTRIAL…
• Corscale VA2 Building 1 SPAM 11.64 mi
  Site plan approved Site plan EPLAN-2025-0152, filed Sep 10, 2025 · Loudoun County · on the map
  CORSCALE VA2 BLDG 1 (SPAM): Revision to STPL-2022-0012, a data center within the Kincora IP District.
• CORSCALE VA2 BLDG 11.64 mi
  Site plan approved Site plan STPL-2022-0012, filed Apr 11, 2022 · Loudoun County · on the map
  CORSCALE VA2 BLDG 1 : REQUEST APPROVAL OF A SITE PLAN (STPL) FOR THE CONSTRUCTION OF A DATACENTER BUILDING, IN THE PLANNED DEVELOPMENT- INDUSTRIAL PARK (PDIP) ZONING DISTRICT.
• DULLES 28 TECHNOLOGY PARK1.94 mi
  Site plan approved Site plan STMP-2022-0013, filed Jul 29, 2022 · Loudoun County · on the map
  DULLES 28 TECHNOLOGY PARK : REQUEST APPROVAL OF A MODIFIED PROCESS SITE PLAN (STMP) FOR THE PROPOSED DEVELOPMENT OF TWO DATA CENTER BUILDINGS AND WHOLESALE/FLEX INDUSTRIAL BUILDINGS, IN THE PLANNED…
• Ashburn Data Center1.95 mi
  Site plan in review Site plan EPLAN-2024-0077, filed Jun 17, 2024 · Loudoun County · on the map
  Site Plan for development of 3 Data Center Buildings

Source

DEQ Air Sites record 73160 (permit class: 80% Synthetic Minor). The stage is DEQ's own. This page is rebuilt every morning from DEQ's records.