Structural Engineering

Structural Engineering

We offer our clients over 65 years of experience and an extensive array of structural design-related services. Our shared knowledge includes virtually all contemporary structural building systems as well as outdated systems often encountered in existing buildings.

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Landscape Architecture

Landscape Architecture

In addition to providing a full range of landscape architecture services such as site design and analysis, our Landscape Architecture Department has achieved a singular reputation for specialty detailing of site features, green infrastructure, and facility development planning.

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Building Envelope Systems

Building Envelope Systems

This area of our practice addresses our clients' specific needs. Services include assessment, rehabilitation, and restoration of contemporary and historic masonry facades, envelope performance consulting, and Building Envelope Commissioning (BECx).

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Welcome to
Klepper, Hahn & Hyatt

Klepper, Hahn & Hyatt is a multi-disciplinary design firm specializing in structural engineering, landscape architecture, and building envelope systems. We serve the northeastern United States from our office in Central New York. Our firm works in both the public and private sectors to develop projects which are cost-effective, sustainable, and responsive to the needs of our clients.