Data Centers & Crypto Mining in Loudoun County, VA (2026)
2 rules for unincorporated Loudoun County, Virginia.
Verified from official government sources
Data Center Zoning & Siting
Data centers in Loudoun County require Special Exception approval countywide since March 2025, ending by-right development. In industrial districts, structures must sit at least 200 feet from residential property lines and parking 100 feet, behind a Type C buffer on a six-foot earthen berm.
Loudoun County Data Center Zoning & Siting Rules
Heavy RestrictionsLoudoun County, VA, Zoning Ordinance § 4.06.02.D (Data Centers — General Site Design Standards)
a. Minimum Parking Setback. Parking must be setback at least 100 feet from the common property line; b. Minimum Setback for Structures. Structures must be setback at least 200 feet from the common property line;
Data Center Noise Limits
Data centers in Loudoun County must not exceed 55 dB(A) at the property line of any adjacent lot that permits a single-family home, measured at all hours. Applicants file pre- and post-construction noise studies by a licensed engineer, with mitigation required if the cap is exceeded.
Loudoun County Data Center Noise Limits
Some RestrictionsLoudoun County, VA, Zoning Ordinance § 7.05.03.F.2 (Noise — Use-Specific Standards)
The maximum allowable impulsive sound emitted from the specific use, as measured at the lot line of any adjacent lot that permits a single-family dwelling as a principal use, is 55 dB(A). 3. Outdoor Music. Outdoor music is not permitted after 11:00 p.m. G. Noise Study. For Covered Activities, or as otherwise required pursuant to Chapter 4, subject to a Noise Study requirement, the followin...
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