About Us

Why Esswein Associates?

Esswein Associates is a fully integrated, landscape design and construction firm that was founded over 25 years ago by Mark Esswein. We offer our clients full landscape design of new residences, or redesign of existing homes. Our services include compete landscape design and construction of swimming pools, spas, patios, gazebos, BBQ centers, lawns, gardens, walkways, driveways and any other landscape installation that arises.

How do we do it?

Our experienced staff of over 40 specialized craftsmen make Esswein Associates the most talented residential landscape design company on Long Island. Some of our associates have been on our staff for over 25 years. The average employee has been with us for more than 10 years.

There are no sub-contractors, so the quality you will expect will never be compromised. Our full-time, year-round staff assures continuity and familiarity with your home and property year-in and year-out.

This highly talented group of experienced craftsmen makes it possible for Esswein Associates to provide all of our services from architectural landscape design through specialized services including:

  • Incomparable Old World Mason craftsmanship with which no other firm can compete.
  • Exclusive selections of imported stones from around the world, or, if available, from local quarries right here in the Northeast.
  • All of our work is created and installed by our in-house Masons, who have been with us an average of 15 years.


Our Landscaping Division staff has been with Esswein Associates since the inception of the company. Their knowledge and expertise is unsurpassed, and therefore will assure all areas of your new landscape plantings and sod will be perfectly installed and maintained for maximum beauty and life.

Swimming Pool Division:

All of the swimming pools and spas Esswein Associates installs are designed and built by our staff of designers, draftsmen and installers who insure that all the required details for proper installation and operation are in place to maximize the ease of use, maintenance and longevity of your pool and spa.

  • We are experts on all facets of all types of built-in pools from simple rectangular pools to the most complex pools ever built on Long Island, or anyplace else.
  • There are a variety of pool finishes we offer from the standard Marble Dust finish, to the popular Diamond Brite finish or, for homeowners looking for something special, we can finish your pool in Durazzo, a hand-polished pool finish with a unique smooth surface.

Glass Mosaics (Something Very Special):

  • Esswein Associates is the premiere designer and installer of glass mosaic tile swimming pools and spas on Long Island. You can choose from our incredible selection of elegant colored glass or mosaic tile designs from the top manufactures in the world. We have an enormous selection of professionally rendered pool and spa tile designs created by our talented mosaic artisans from which you can choose. If you want to create your own unique design, we can work from your freehand rendering, no matter how rough, and turn it into an exact computer rendering which will meet all required specifications for proper assembly and filtration. We are always available to assist you as you design your mosaic masterpiece.

Whichever method you select, the tiles will be custom cut by mosaic artisans in South America and shipped for installation at your home.

Maintaining Your New Landscape & Pool:

  • Once we have installed your pool and/or spa, we offer a weekly service to maintain your pool/spa with our certified maintenance staff.

Our Goal:

Esswein Associates wants to provide you with an experience that, when you look back you will say: “This was the best experience I’ve ever had with a company.”

Our goal is not only to provide you with a beautiful landscape and pool design, but to leave you with a comfortable feeling toward Esswein Associates. We would like our first experience with you to be the beginning of an ongoing relationship in which we can provide upkeep and services throughout the years such as planting seasonal flowers to add color throughout your home, monitoring the landscape as it matures, pruning of shrubs and trees, and maintaining your landscape and swimming pool for years to come.

As the founder and leader of Esswein Associates, I personally assure you that every project will be managed and staffed with Esswein Associates’ professionals who will remain on the job from start to finish. Every project begins with you, and I am not satisfied until you, our customer, is 100% satisfied. I visit every project site every day to review the daily work with my staff as it progresses, and, if you are available, to meet with you, my customer, to answer any question you may have. The pride I have for every one of my projects is what makes me visit every job site, every day. I always have, and I always will. Thank you for considering Esswein Associates.


Mark Esswein
Esswein Associates, Inc.
Phone: 631.673.1910 Cell: 516.317.8504