Structural Engineering

Structural Engineering

KHH has been providing structural engineering services for 70 years. Our structural engineers work with a wide variety of structures ranging from historic to contemporary. Our expertise includes the design of new structures, additions, and renovations; condition assessments; reviews; and much more.

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Landscape Architecture

Landscape Architecture

KHH’s landscape architects have been serving the region for over 30 years, excelling in site development planning, green infrastructure, and site feature specialty detailing. We shape landscapes to create environments that are both functional and aesthetically pleasing while working closely with our clients to meet their specifications.

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Building Envelope Systems

Building Envelope Systems

Building envelope systems is KHH’s most recent discipline. We specialize in assessment and rehabilitation of both historic and contemporary building façades as well as in design and detailing of wall systems. Our skillset also allows us to recommend courses of action to improve the energy performance of building envelopes.

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Welcome to
Klepper, Hahn & Hyatt

Klepper, Hahn & Hyatt is a multi-disciplinary design firm that specializes in structural engineering, landscape architecture, and building envelope systems. We are based in East Syracuse, New York. Though our practice is mainly focused in the Central New York area, our location gives us easy access to the entirety of New York State as well as to our neighbors in the Northeast. We offer our services in both the public and private sectors, meeting our clients’ needs with sustainable and cost-effective solutions.