Need a Phase I or Phase II ESA in Loudoun County, VA? Loudoun County has about 443,380 residents (2024 estimate) and 7 incorporated cities and towns. Describe your project once: environmental consultants who work in Loudoun County get back to you.
State environmental agency records for Loudoun County are part of what the consultant reviews.
Services available in Loudoun County
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Phase I Environmental Site Assessment
Records review, site visit and interviews to ASTM E1527 by an Environmental Professional, for a purchase or a loan.
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Phase II Environmental Site Assessment
Soil, groundwater or vapor sampling when a Phase I identifies a recognized environmental condition.
Frequently asked questions in Loudoun County
Do environmental consultants cover the whole of Loudoun County?
Most pros work across the county and neighboring counties. Enter your ZIP code in the form and we match you with pros who serve your exact area.
Phase I Environmental Site Assessment in Virginia: all counties
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.