& Expertise
from the
Ground Up

Founded in 1999 with three employees, Mahoney Associates is now one of the Hamptons' leading full-service landscape firm with over 46 horticulturists, arborists, turf and grass managers and landscape professionals. Each of us takes a proactive approach to every aspect of residential and commercial landscaping and is dedicated to creating and maintaining the most beautiful outdoor spaces on the East End of Long Island.

Trimming the hedges

The Firm

With an 8000-square foot state-of-the-art facility in Southampton, and over 300 pieces of highly efficient equipment our Hamptons customers appreciate cutting edge approach, technological advances, the best quality plant materials and highly responsive service. Mahoney Associates is known for continuously investing in education for managers locally and nationally, and for a very straightforward and down-to-earth approach to problem solving and client communication. Winners of the NALP Safety Award year after year, we employ the best industry practices whether we’re working on a private residence or a local office park.

Shovel breaking ground

Our Approach

Quality & care are in our roots.

We believe in planting seeds and in nurturing relationships. We have deep roots on the East End and are committed to continuing education. We value our clients, and each member of our team. That’s how we’ve grown a great team, and a successful business.

  1. We respect the individual whether a client or employee.
  2. We provide the best possible customer service experience. “No” isn’t in our vocabulary.
  3. We communicate! The better we interact with each other, the more seamlessly each project flows.

Our Green Commitment

Green isn’t just the color of our lawns.

Our team is dedicated to more than beautiful green landscapes, we’re dedicated to creating a healthier environment here in the Hamptons. So we’re conscious of the safety and impact of every product we use, and of our overall impact on the environment. That's why our managers drive a fleet a fleet of carbon-reducing electric cars which significantly reducing our petroleum consumption.

Watering a garden

Our Team

Mahoney Associates is known for its skilled and cohesive team. Longevity is part of the reason we’re able to bring such efficiency to each project. Our experienced people have an unparalleled work ethic. Each designer, horticulturalist, architect, and landscape professional is completely committed to quality. Hands-on Management that invests in ongoing education and best technology and equipment give them the tools they need and the confidence to do their best. Led by Don Mahoney, and guided by his integrity and passion, our team continues to grow.

Don Mahoney Jr, founder of landscaping company Mahoney Associates
Don Mahoney Jr signature

Donald E. Mahoney, Jr.

Founder of both Mahoney Associates and East End Snow & Ice Management, Don’s professional expertise and customer-driven focus have helped build the two sister companies into the South Fork’s leading year-round exterior maintenance provider.

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Michael Maskiell, account manager with landscaping company Mahoney Associates

Michael Maskiell
Account Manager

A graduate of SUNY Cobleskill with a degree in Applied Science and Turf Management, Michael has over 28 years of experience in the field. He holds a Certified Pesticide Applicator License, is an Alumni of LDP, has a certificate from Suffolk County Executive Office of Consumer Affairs Certificate for Organically Trained and is an alumni of MYT (Maximize your Talent).

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Michael Whelan, crew leader of landscaping services provider Mahoney Associates

Michael Whelan
Crew Leader

Michael Whelan is known for his attention to detail. With more than 20 years in the field he supervises each landscape project from blueprint to completion.

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Bennett Swezey, lawn technician with Mahoney Associates

Bennett Swezey
Lawn technician/ Tick and mosquito applicator

Bennett Swezey has a Bachelors of Turf Grass from SUNY Cobleskill, in addition to holding an applicators license. With deep knowledge in lawn care, and lawn and pest expertise, Bennet is dedicated to maintaining and protecting each property we serve.

“Mahoney Associates believes in keeping up continuing education that educates the management team on the newest developments in the horticultural field.”