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Big Company Experience

With Small Company Service

Engineering Expertise for Building Excellence

Whether you need residential structural engineering or civil engineering services, Tiderunner Engineering and Design, P.C., is a trusted partner in building projects throughout New York's Nassau and Suffolk Counties. From home additions or new home construction to coastal engineering and sanitary system design we have the experienced team to evaluate, plan, and design your residential,or small commercial project

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Your Project Needs | Call (631) 410-6838

Members of the American Society of Civil Engineers (ASCE) and the National Society of Professional Engineers (NSPE)

Our Services

Residential Planning
Coastal Engineering
Construction Services
Structural Engineering
Commercial Services
Services Provided By Associates

About Us

Based in Bay Shore, New York, Tiderunner Engineering and Design, P.C., brings more than 20 years of quality civil engineering services, as well as residential, commercial, and municipal services. Our licensed engineers provide crucial services for builders and developers—from environmental evaluations and inspections to site preparation and building plans.Our owner, Lou Schwartz, views engineering and construction as a family calling. Growing up with an engineer father and siblings in construction, Lou has engineering in his blood. He has worked in the engineering industry since leaving the Navy in 1989 and launched Tiderunner Engineering and Design in 2003 to provide his knowledgeable, honest, and straight-forward expertise to our clients.At Tiderunner Engineering and Design, we deliver a comprehensive skill set in all aspects of site development building projects, from permits to traffic studies. We also share our expertise in forensic investigations of engineering issues with evaluations for expert testimony and recommendations.Learn More »

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Phone(631) 410-6838
Hours of OperationMonday–Friday, 8:00 a.m.–5:00 p.m.Evenings and Weekends By Appointment Only
Service AreaNassau and Suffolk Counties, NY
Address7 Ridgewood StreetBay Shore, NY 11706
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Tiderunner Engineering and Design, P.C.
Home | Residential Design | Commercial Service | About Us | Contact
7 Ridgewood Street Bay Shore NY 11706
Phone: (631) 410-6838
Copyright © 2026 Tiderunner Engineering and Design, P.C. All rights reserved.

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