At LS&E, we strive for outstanding results. Trust your project to the company that has earned respect from industry peers, agency staff and clients. We were twice voted Master Builders’ Company of the Year.


The Civil Engineering department at LeRoy Surveyors & Engineers, Inc. (LS&E) specializes in both public works and private development projects.

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LS&E is known in the market for its productive services and smart planning that ensures client objectives are met on a timely basis.

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LS&E provides geotechnical and geological engineering services in the Pacific Northwest, supporting all phases of construction. 

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LS&E is committed to innovative land development practices and believes Low Impact Development (LID) holds benefits for developers, municipalities and the community.

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LS&E provides complete surveying services to the public and private sector, facilitating better planning and engineering decisions for land development projects.

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LS&E provides wastewater services—including commercial and large on-site system design—to municipalities, developers, school districts, retail centers, consultants and contractors.

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LS&E has completed a wide range of projects in both the public and private sectors.
We’re buiding the future through our work with engineers, architects, developers and builders.

Who are we?

Meet the team

Lyle E. Fox, P.L.S.

Lyle (President of LS&E) was educated at the Oregon Technical Institute and is registered in WA, OR and ID as a PLS. He has over 40 years land surveying experience.

Tom Slade, P.L.S.

Tom Slade, PLS has more than 20 years of surveying experience.

Damon DeRosa, P.E.

Damon DeRosa, PE, is our Principal Engineer. He oversees all civil engineering and project planning services. Damon has over 30 years experience (17 years in public agency and 13 years in the private sector). He obtained a Bachelor of Science Degree in Civil Engineering at Gonzaga University in Spokane, Washington.

Bill Creveling, L.G.

Bill Creveling, LG, is our Principal Geologist. He oversees our Geotechnical and Wastewater services. Bill has over 30 years of experience (20 in public agency and 12 years in the private sector) in the wastewater and geology practice fields. He obtained a Bachelor of Science Degree from Fort Lewis College in Durango, Colorado.

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