Professional Help For Dog Behavior Issues On Long Island

In-home customized behavior modification for your dog.

ft. Tootsie

Dog Behavior Modification In Nassau County and Huntington, Long Island

Behavior challenges can affect every part of life with your dog—from walks and interactions with other dogs to guests in your home and everyday routines. De Marinis Dog Training & Behavior provides individualized in-home behavior modification services for dogs struggling with aggression, reactivity, anxiety, fear, territorial issues, resource guarding, destructive behaviors, and other unwanted or concerning behaviors.

Our approach begins by identifying the root cause and factors contributing to your dog’s behavior, as well as determining what your dog needs to successfully navigate those situations. We then create a customized behavior and training plan focused on changing behavior, improving communication, and teaching your dog. Through consistent training and practical hands-on guidance, we help dogs become more confident, focused, and capable of handling the situations that previously were an issue or concern.

Behavior modification takes patience, consistency, cooperation and a plan that fits both the dog and the people living with them. That’s why we work closely with owners throughout the process, providing the skills and strategies needed to reinforce progress beyond the training session. Whether you are dealing with a reactive dog on leash, aggression toward people or other animals, anxiety, fear-based behaviors, or challenges at home, our goal is to create sustainable improvements that lead to a safer, calmer, and more enjoyable life together.

Behavior Modification Session with Zammy and Anthony

Our Process and How It Works

Initial Consultation (1.5 - 2 Hours): Everyone starts here. During the consultation we will:

  • Learn about your dog’s behavior(s)

  • Discuss your goals

  • Discuss your behavior and training options

  • Create a plan and come up with strategies

  • Implementation of strategies and training skills generally starts during the initial consultation.

Follow-up Sessions (45 min - 1 hour): During the follow-up sessions we will generally start where we left off from our prior session by continuing to build on any skills or strategies that were covered and/or we will introduce additional skills and strategies to continue moving forward with your goals.

*Rates are listed on the rates page.

Behavior Modification Can Help With:

  • Aggression to people, dogs and other animals

  • Reactive behaviors on walks, such as barking and lunging

  • Generalized Anxiety and/or Fear

  • Resource Guarding and Territorial Issues

  • Fear of noises, people, other animals, and storms

  • Aggressive, reactive and fearful behavior towards children

  • Difficult Decisions: Consulting on difficult situations and potential outcomes

  • Separation Anxiety and other issues when home alone

  • Destruction

  • Excessive attention-seeking

  • And Much More!

Two dogs playing

Crush and Belle playing

Our Approach & Philosophy

Labrador Duncan and Anthony after a training session

Anthony and Duncan after a training session

We approach each dog as an individual, helping them to be the best version of themselves while teaching you how to be the best owner for your dog.

As individuals, each dog learns, works and is motivated in different ways, which is why we do not believe in one training method or approach.

Our training techniques and behavior modification strategies incorporate a variety of methods and styles, with a focus on reward-based techniques and play, as we believe training and learning should be enjoyable, motivating, and cultivate a relationship. This is done by using food, toys and play, praise and attention, and/or exploration as rewards.

Lessons are customized based on your goals and who your individual dog is. Our goal is to help you and your dog succeed. Together, we will determine what the best training methods, strategies and tools for your dog and you will be so that you can achieve your goals and live your best lives together.

If you would like see what our training looks like, take a look at some of the videos throughout the website and on our social media channels.

Anthony and Liv after a training session

Anthony and Liv after a training session

Through our one-on-one lessons, you will learn how to:

  • Train your dog.

  • Understand who your dog is and why they do the things they do. 

  • Address your dog’s sometimes inconvenient behavior(s). 

  • Fulfill your dog’s needs both physically and mentally.

  • Guide and set your dog up for success, both in and out of the home.

  • Create clear and consistent rules and boundaries.

NOTE: We do NOT offer quick-fix approaches.

Want to see what our sessions look like?

Take a look at the clips down below!

Online Virtual Behavior Sessions Are Available

Whether you are local or not, Online Virtual Behavior Sessions are available. If you do not have a qualified behavior professional near you, you can get help no matter where you live!

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Frequently Asked Questions

Client Testimonials

“My dog use to bark and lunge at dogs on walks. After we started training, walks are calmer, more controlled, and genuinely enjoyable. We were able to be transitioned to a group class where we are able to see so many more improvements. We really appreciate the training not being a one size fit all approach. The transformation has been incredible. Anthony is an amazing person to work with!”

-Stephanie S.

“Last summer, Anthony started working with my young Chihuahua, Casper, who struggles with anxiety and reactivity around people and other dogs. Anthony’s calm, supportive approach has helped Casper build confidence and is teaching me a variety of strategies to use to help Casper. The individual sessions with Anthony and his amazing dog, Journey, along with the group classes, have made a real difference in Casper’s behavior and comfort level. I’m so grateful for Anthony’s expertise.”

-Andrea N.

“We are truly grateful for Anthony's incredible work with our two dogs, each with their own unique challenges. One suffers from severe anxiety, while the other has reactivity and resource guarding behaviors. After trying several trainers with limited success, we finally found Anthony, and the progress we've seen is fantastic. His methods are not only unique and creative but also tailored to the specific needs of each dog.” 

-Pam Y.