Flawless Masonry
“The crew worked very hard and well together and finished a large job in two and a half days, well ahead of our expectations.”
Best Landscape Architects and Designers in Smithtown, NY
15 companies listed · 5 in Smithtown · 2 open 24/7 · 13 open weekends · 14 rated 4.5+
Data verified October 18, 2026
Parkridge Landscaping Inc.
“Manny and the team did a great job at my home leveling my yard with top soil, aerating, and overseeding.”
Heritage Design Group Inc
“Ray and his team designed and executed installation of shrubs, sprinkler system, a walkway drain and sod to the entire front yard of our brand new home.”
Backyard Tropicals Inc
“Repaired a leak in our waterfall and rebuilt it better than it was!”
ARS Landscape & Design
“They executed every aspect of all the work I had done with professional experience and a tireless work ethic!”
Alternative Earthcare
“However the real attraction is that we haven't found a tick on either pet since we began using Alternative Earthcare.”
Listed for homeowners in and around Smithtown, NY, these 15 companies draw plans for yards; the building is done by someone else. Portfolios, service descriptions and hours are taken from each company's own site, and the ratings beside them come from public reviews.
Area overview: Smithtown, NY
5 of the 15 companies we list are based in Smithtown; the other 10 serve Smithtown from towns including Commack (3 mi), Lake Grove (2 mi) and Islandia (4 mi). The companies on this page are rated from 4.3 to 5.0 across 2,104 reviews; 9 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (92%), responsiveness (89%) and professionalism (83%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "cleanliness". 2 are open around the clock; 13 are open on Saturdays and 4 on Sundays. The services the companies on this page list most often on their websites are landscape design (2), outdoor kitchens (2) and water features (2). 7 show a license on their websites and 2 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 46 years. 2 offer emergency call-outs; 3 offer financing or payment plans; 8 give free estimates; 2 are family- or locally-owned and 2 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Which listed landscape designers show their work online?
Portfolio sites are shown on 13 of the 15 listings here. In design the portfolio is the product, so it carries more weight than in other trades. Look for photographs of built work next to the renders, and for at least one project on a site like yours: the same slope, the same soil, the same shade.
Hi-Tech Irrigation
“I never realized how quick, neat and clean a sprinkler system can be installed.”
DJC Landscaping
“Lastly, for as much as I care about the landscaping folks doing their work autonomously, DJC has always had a quick response rate and is well within reach every time I need to contact them.”
Softwind Landscaping
“Absolutely would recommend the crew, not only were they professional and personable, they cleaned up after themselves and didn't leave me with a mess after each day of work, which that was important to me!”
Shore to Shore Landscaping
“I spoke with Walt the owner, explained my situation and 2 hours later he was here with the guys for our “fall cleanup”.”
Stone Creations
“I was so happy with the results and he made the experience so pleasant I wish I had another house so I could do it again!”
Geo Group Masonry & Landscape
“Our project began before the winter and Mike continually checked in with us and reassured us that they will come and fix anything that needs to be fixed as a result of a very rainy winter.”
Bongiornos Contracting
“He and his crew show up when they say they will, work quickly and efficiently, clean up when they're done, and most of all, do meticulous work.”
Gary Duff Designs
“Working with this team you do not have to worry about one thing, using them you know the job will be done right and to the highest standard.”
T & C Landscape Design Inc.
“He was always super responsive which is one of the most important things and truly care how about the project.”
Why these companies made our list
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