Providing premier environmental and geotechnical solutions since 1988.

America Center

Santa Clara County

Treadwell & Rollo is providing geotechnical and environmental consultation for this 70-acre shoreline development of a former landfill.  The project consists of four six-story buildings, a hotel, and a large ...

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Sunnyvale Town Center Mall Redevelopment

Santa Clara County

Sunnyvale Town Center Mall was redeveloped for retail, commercial and residential use. Treadwell & Rollo provided environmental services, evaluating subsurface soil gas, soil and groundwater.  We also provided remediation services ...

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