Environmental consulting services tailored to your needs


ADS Environmental Engineering, LLC is focused on assisting real estate development teams with pre-acquisition and pre-construction environmental characterization of soil and groundwater, estimating construction and cleanup costs due to contamination conditions, and managing contaminated media before and during construction. Clients include architects, developers, real estate managers, municipal agencies, and property owners, among others. ADS strives to provide focused, practical, innovative, and cost effective solutions to environmental challenges in a timely and efficient manner. 

ADS is a SOMWBA Certified women owned business enterprise. Ms. Andrea Stiller, LSP, Principal of ADS, has over 30 years of experience working in the environmental consulting and construction industries. She has an undergraduate degree in Geology from Duke University and a Master's Degree in Environmental Engineering from Tufts University. Ms. Stiller has been a Massachusetts Licensed Site Professional (LSP) for over twenty years, and has been following the regulatory trends and changes in Massachusetts' regulations for decades.

Contact Us

ADS Environmental Engineering, LLC


205 Woodland Street

Sherborn, Massachusetts 01770 

Phone 781.727.6646 

Fax 781.644.6000 


A SOMWBA Certified Woman Owned Business