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S Y LEE ASSOCIATES, INC. has over 3 decades of experience providing professional Mechanical, Electrical, and Civil Engineering Services. We specialize in consulting and design of HVAC, Plumbing, Electrical, Fire Protection Systems, Land Development, Hydrologic Design, Water Quality, and Utilities. In addition to Sang Lee, Principal, the firm also has a team of engineering associates and production personnel.

S Y LEE ASSOCIATES, INC. is capable of handling projects of almost any size and is registered in the states of Arizona, California, Guam, Hawaii, Nevada, Louisiana, Washington, and Oregon.

We are also a DBE and SBE firm as certified by multiple agencies.

Serving commercial, industrial, mixed-use development, and institutional clients in projects spanning the North American continent (as far west as Honolulu, Hawaii, east to Atlanta, Georgia, north to Seattle Washington, and south to Mexico City, Mexico) we at S Y Lee Associates take great pride in our proven ability to provide services on projects of all sizes in a proficient manner.


Whether in the design development phase of a project or during the construction administration phase, we at S Y LEE ASSOCIATES, INC. believe that “Meeting the needs of our clients is our number one priority.”

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