Over 40 years of experience.

With offices in Hauppauge and Fresh Meadows TSPE is a full service engineering and consulting firm encompassing the areas of aviation design, construction inspection, construction management, civil design, planning, program management and land surveying.

Engineering Excellence.

Since its founding, TSPE has been committed to excellence in Professional Engineering Services. Our principals bring decades of professional experience completing a wide variety of projects.

DBE / WBE Certified.

TSPE is a DBE under the Unified Certification Program in New York.
TSPE is a WBE certified by (NYS and NYC):
· NYS Division of Minority and Womans’ Business Development
· Port Authority of NY/NJ
· Dormitory Authority of the State of New York (DASNY)
· NYC Department of Small Business Services
· Nassau County (NY) Office of Minority Affairs




Our staff also includes Landscape Architects, Land Planners and Site Engineers, specializing in a broad range of projects involving residential design from Planned Unit Developments of a multi- use nature, to Recreational Communities and Cluster Developments. We provide expertise in the field of Commercial and Industrial Site Design, Environmental Assessment and Impact, Recreational Planning, including marina, park and golf course design, as well as professional and legal testimony.

Our Team of Engineers, Landscape Architects and Land Surveyors consider realities: the realities of design and its relationship to the natural or created landscape, the reality of the budget, schedule and market. Above all, in every undertaking, we strives to use nature to fulfill man’s physical and psychological needs – to help him achieve a better life by showing him how best to relate and grow with the natural environment.

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TSPE subsurface utility engineering (SUE) technicians will perform an ASCE Quality Level B (QL-B) subsurface utility investigation to identify, trace, and mark (collectively defined as “designation”) the location of private and public subsurface utilities, sanitary and storm sewers within the project limits.

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  • Bridge
  • Roadway / Sidewalk
  • Utilities

TSPE provides on-site construction inspection services for all types of projects. In addition to our office personnel, TSPE maintains a long list of construction personnel who are highly qualified and have the ability to appropriately staff a project regardless of the complexity and the varying needs of our clients.

Our Construction Inspectors are either engineers or NICET certified, ensuring they have the right expertise for the project they are inspecting.

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Our Construction Managers coordinate and supervise the construction process from the conceptual development stage through final completion, ensuring the project is completed on time and within budget. Our Managers are responsible exclusively to the owner and act in the owner’s interests at every stage of the project.

We provide both design and construction advice while responsibly completing Construction Management Tasks including: Project Management Planning, Cost Management, Time Management, Quality Management, Contract Administration, Safety Management and CM Professional Practice.

We have highly qualified staff with wide-ranging experience.

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TSPE has provided aviation services since 1984. For over 25 years, TSPE exclusively worked within the aviation sector and our efforts were concentrated in the New York, New Jersey and Pennsylvania tri-state area.

Our specialty was obtaining Federal Aviation Administration reliever status for general aviation facilities and then providing planning, engineering and construction administration services to meet FAA standards. Our personal design approach with each of our clients maintained great relationships and, in many instances, TSPE was the exclusive airport consultant for airport facilities for over 20 years. Eventually, our specialty expanded and TSPE became a recommended consultant that has worked on commercial service airports from Florida to New York.

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TSPE’s Safety Engineers ensure that all construction and occupational health and safety standards are followed. They are responsible for devising health and safety plans, monitoring practices to ensure compliance, writing up safety policies and procedures, and responding to emergencies as needed. Our Safety Engineers develop plans for each project and, as part of that, they are tasked with ensuring that the items in the plan are carried out.

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TriState Planning Engineering & Land Surveying, P.C. offers a vast array of services for all your project’s Geotechnical Engineering needs. Our staff also includes Professional Geotechnical Engineers and Inspectors with vast experience, specializing in a broad range of projects. Our in depth understanding of subsurface conditions and appropriate selection and design of geotechnical systems is crucial for successful projects and makes TSPE a premier choice in your geotechnical project needs.

Our staff have extensive providing Geotechnical Services for both private engineering and architectural firms, as well as working directly with local government, municipalities, and public agencies.

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Materials testing is indispensable for construction and infrastructure projects, ensuring the safety, durability, and longevity of built structures. Through a comprehensive range of testing services, TSPE assesses the properties and performance of various materials used in construction, including concrete, asphalt, steel, aggregates, soil, and masonry. From assessing the quality of construction materials to evaluating the stability of foundation soils, our testing services play a crucial role in mitigating risks, optimizing designs, and ensuring compliance with regulatory standards. With our expertise in materials testing, we contribute to the successful and sustainable completion of construction and infrastructure projects, enhancing safety and resilience for communities and stakeholders.

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