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Projects

Architecture

The Willett, Hofmann & Associates, Inc. Architectural Department is qualified to provide a wide range…

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Civil Site Design

Willett, Hofmann & Associates, Inc. Civil Site Engineering staff are experienced in and capable of…

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Land Surveying

The Willett, Hofmann & Associates, Inc. Land Surveying Department provides ALTA/ACSM surveys, boundary and property…

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Structural Engineering

With four licensed Structural Engineers on staff, and the support of an experienced technical staff,…

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Transportation Engineering

The Willett, Hofmann & Associates, Inc. Transportation Department provides engineering services for design, construction and…

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Water & Wastewater Engineering

Today’s increasing drinking water and water quality standards require investment in education and technology and…

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Recent News

WHA provided engineering services for the Village of Cedarville's 2018 street maintenance project. The project included miscellaneous patching and the placement of hot-mix asphalt level binder and surface course on 1,200 feet of various streets. Construction was completed by Civil Constructors, Inc. in September 2018. ... See MoreSee Less

1 week ago  ·  

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This week Roberta Vanderlin was nominated for the L.L. Ely Award for Clerical Achievement by the YWCA of Sauk Valley! Roberta has been with WHA over 25 years and we couldn't be more proud. ... See MoreSee Less

2 weeks ago  ·  

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