Phone: 425.415.0551

Fax: 425.415.0311

Email: info@riley-group.com


Riley Group Corporate Office

17522 Bothell Way NE, Suite A

Bothell, WA 98011


© 2017 Riley Group.
All rights reserved.

Featured Projects

Hyde Square

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This development consisted of four multi-family residential buildings each with a two-level below-ground parking garage on a site of 185,000 square feet in the City of Bellevue. The project began with demolition of a three buildings on the property—a retail space, a restaurant, and a bank.  RGI was asked to provide geotechnical recommendations for the   …Continue Reading


Maple Valley Town Center Redevelopment

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This project included redevelopment of a several acre former lumber yard located in Maple Valley, Washington for use as a multi-tenant retail center anchored by Fred Meyer. In addition to providing full-service environmental services, RGI was the geotechnical engineer-on-record and completed the geotechnical investigation, design, and on-site construction monitoring during earthwork. Geotechnical challenges for this   …Continue Reading


Wind Farm

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RGI is contracted to provide geotechnical engineering services to what will be the largest wind project in the Pacific Northwest, ultimately producing over 1,400 megawatts of energy.  Once complete, this seven phase project will include 690 wind turbines across Garfield and Columbia Counties. RGI completed the first phase of this project  in 2009, when we performed over   …Continue Reading


FedEx Distribution Center

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The Riley Group, Inc. (RGI) provided geotechnical engineering and environmental services for the proposed 212,000-square-foot, single-story warehouse building with 8,600 square feet of office space on the approximately 24 acre site. The building is surrounded by drive and parking areas with heavy traffic loading. The site was a former gravel pit that was previously mined   …Continue Reading


City of Monroe

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Former Monroe Landfill The Riley Group, Inc. (RGI) conducted an assessment of the horizontal and vertical extent of the former City of Monroe municipal solid waste landfill. The former City of Monroe landfill occupies 3 to 4 acres of an undeveloped, approximately 11-acre parcel located within the Monroe city limits. RGI’s assessment began with a   …Continue Reading


Whitman College

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RGI conducted a Phase II subsurface soil and groundwater investigation at the Whitman College Physical Plant. The purpose of this Phase II was to evaluate soil and groundwater quality following the 1999 decommissioning (by removal) of two, approximately 4,000-gallon, diesel fuel, steel underground storage tanks (USTs). At least one of the USTs had leaked as   …Continue Reading