Providing premier environmental and geotechnical solutions since 1988.

Broadway Grand

Alameda County

Treadwell & Rollo performed a Phase I Environmental Site Assessment for Parcel B of the Former Negherbon/Broadway Grand property.  The Broadway Grand Project plans to construct a mixed-use development with ...

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Ohlone Community College Environmental and Geotechnical Investigation, Cleanup Planning and Brownfields Grant

Alameda County

Treadwell & Rollo performed Phase I and Phase II environmental investigations for Ohlone Community College, an 80-acre former agriculture site.  Our team provided an evaluation of soil, groundwater and air ...

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Port of Oakland As-Needed Environmental Consulting

Alameda County

Treadwell & Rollo performed on-call environmental consulting services for the Port of Oakland, which owns the fourth-largest maritime cargo facility in the nation, Oakland International Airport, and extensive redevelopment properties.  ...

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Vintage Estates Water Supply

Alameda County

Treadwell & Rollo’s services for the Vintage Estates development included providing an opinion on whether a single proposed groundwater well would provide sufficient water supply for the proposed housing development.  ...

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