Michael DeBiase Premium Properties Team | MAPP TEAM

Welcome to Michael DeBiase Premium Properties Team, powered by Keller Williams Realty Gold Coast. Initially, thank you for visiting our page.

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The M.A.P.P. Team was founded by Michael DeBiase whom had a simple yet grand vision for real estate; he states, “The TEAM was established with one vital objective: To provide a premier customer service experience that transforms clients into raving fans for life. This is achieved through innovative marketing, hard work, dedication, and proven systems that deliver valued results.”

Our team is comprised of Professionals with years of experience. “We are a dynamic bunch that are continually studying market trends to stay on top of our game. We have an unparalleled passion for real-estate. The entire team loves what they do and are not afraid to go the extra mile to ensure top notch customer service. Pair that passion with the best technology in the business and it equals success.”

We look forward to earning your business and assisting you with every aspect from buying, selling, to investing.. “Let our MAPP guide you to home success.”

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Michael DeBiase


Michael DeBiase is a highly accomplished real estate agent with a distinguished career spanning almost a decade. With a reputation as one of the most knowledgeable and successful agents in the industry, Michael DeBiase has helped countless clients buy, sell, and invest in properties across the region. Known for his unparalleled expertise and commitment to excellence, Michael is deeply passionate about real estate and takes pride in helping his clients achieve their goals. He has a keen eye for detail, a deep understanding of market trends, and an unwavering commitment to providing exceptional service to every client. Over the course of his career, Michael has been recognized for his outstanding achievements in the industry. His success is a testament to his unwavering dedication to his clients, his unparalleled market knowledge, and his ability to deliver results. When you work with Michael, you can expect a high level of professionalism, expertise, and personalized service. He takes the time to listen to his clients' needs and concerns and tailors his approach to best suit their unique situation. He is committed to building lasting relationships with his clients, and he takes pride in helping them achieve their real estate dreams. Whether you're looking to buy, sell, or invest in real estate, Michael DeBiase has the knowledge, skills, and resources to help you achieve your goals. He is passionate about helping clients navigate the complex world of real estate and will work tirelessly to ensure that you achieve the best possible outcome. In short, Michael is the real estate agent you can trust to deliver results. If you're looking for an experienced, knowledgeable, and dedicated agent to help you buy, sell, or invest in real estate, look no further than Michael DeBiase.

Nikki Taylor


Nikki has been working for the MAPP Team as the Director of Operations since 2019 and decided to become a licensed Real Estate agent herself, while maintaining her current role. While working as the Director of Operations for the past four years, Nikki has prepared herself to be an attentive, hardworking, and tenacious Realtor. She has mastered many aspects of Real Estate and has trained and educated a staff of 25 agents. Nikki is responsible for team marketing and excels at creating new and innovative ways to ensure your home stands out from the rest!

Her goal is to not only continue providing her team with the best possible administrative assistance, but to also bring that same customer service and dedication to her own Real Estate clients. She will always make sure that you are informed and educated throughout the process, that your questions are answered, and that you always have a clear channel of communication. Nikki will continually have your best interest throughout the entire home buying or selling process.

She knows the ins and outs of the industry and will be able to provide you with the most up-to-date, real time market information. She enjoys providing her clients with the best possible service, while making sure every client feels like they are family. She will go above and beyond to make sure your transaction runs smoothly and that you walk away knowing that picking Nikki Taylor as your realtor was the best decision you could make!

Frankie Pistecchia


Frankie was born and raised in Westchester County, and moved to Fairfield County 17 years ago to attend Sacred Heart University. During his time at SHU, Frankie was a double major in Business and Finance. His successes were not just limited to the classroom as he was also President of his fraternity and selected Mr. Sacred Heart University. His love for Real Estate developed over the last five years working at Rouse and Brookfield Properties Retail as the Director of Digital Development for the Leasing team. During his tenure he learned and mastered the skills required to be a successful agent. Since both of those companies exemplified the gold standard, Frankie wanted to make sure that he joined the brokerage that embodied similar values. That is why he is happy to have the support of Michael DeBiase Premium Properties Team, MAPP Team, at Keller Williams Gold Coast. Frankie’s career in the last 10+ years in Marketing, Analytics, and Real Estate make him the quintessential Real Estate Agent. He knows the importance and value of digital marketing in an ever-changing world; coupled with excellent client servicing. Frankie will work tirelessly selling and finding your dream house!

Jaida Li


Having nearly 16 years experience in hospitality, moving my professional life into real estate was a natural progression in joining the MAPP Team (Michael DeBiase Premium Properties Team) at Keller Williams Realty Gold Coast, Westport.

Born in China, and being a resident of Connecticut for more than 26 years, as a licensed REALTOR®, I can provide services to whatever your needs may require; with a global sense or small neighborhood mentality.

My main goal is to make my clients happy, as I strive to achieve the best results in all of my business practices. I want this to be a fun process with as little stress as possible. My clients can count on me with any questions or concerns.

Please feel free to contact me by telephone: 917.822.6564, or email Jaida@mappmyhome.com..

Jasmin Lopez


Jasmin was born and raised in Fairfield County, CT and has been working diligently as a full time Realtor. Most of her business is generated from referrals and friends and family close to her. She works with buyers, sellers, and investors. Jasmin understands that home buying or selling is one of the biggest decisions a person can make, and she believes in educating her clients from the very beginning. She likes to take the time to listen and assist her clients in a way that works best for each of them individually. She has always been committed and hardworking, which helps her tremendously in her business. Jasmin strives to give her clients the greatest experience possible every time.

Joanne Donofrio


License Number: 0769983

Joanne has been working as a Realtor for over 20 years. Her business is based on more than 70% referrals from satisfied clients. Joanne is proud to be able to work with buyers, sellers, and investors in our residential market. Helping her clients achieve their dream home is her passion. Joanne is committed to working hard, listening meticulously, and following through on every detail for each and everyone of her clients. When Joanne is not assisting her real estate clients, she enjoys spending time with her family, trying out new recipes, volunteering, shopping, and taking care of her two grand-dogs.

Michael Mastronardi



I was born and raised in Fairfield Connecticut and have lived and worked throughout the Fairfield County area spanning from Greenwich to Shelton. My extensive knowledge of different towns and neighborhoods will be an asset during your residential real estate endeavors. Whether you are buying, selling, renting, or building a dream home, let me be your guide.

To provide exceptional real estate services to ensure you feel secure in your decision to hire me. I want every client to feel both confident in my abilities and at ease throughout the entire process. I will work tirelessly to exceed your expectations. My belief is that success in this business is based upon the development of long-lasting relationships, ones built on a mutual understanding of loyalty, communication, determination and trust.

I am proud to have the powerhouse MAPP Team: Michael DeBiase Premium Properties Team & Keller Williams Realty Gold Coast behind me to provide any assistance that is needed. Having grown up in this area and bought, sold and built a home myself, I have a tried and tested group of professional service providers to assist you: architects, builders, designers, painters, plumbers, electricians, inspectors, loan providers and more. You will have the best guidance every step of the way.

To me, friends and family are everything. I currently reside in the Huntington area of Shelton CT with my wife Lisa and my two sons, ages 7 and 5. As a parent of young children, I can relate to the many factors that go into deciding where to start and raise a family. Community, neighborhood, schools, and entertainment are all a part of the scene when painting the picture of your dream home. With real-life experience, a family-oriented mind, and a business hustle, you will feel confident that I am prioritizing your needs.

In my personal time, I enjoy home life with my family, exploring new restaurants and activities in CT, playing golf and attending classic car shows.

I look forward to meeting you and being a part of your journey.

Neil Katz


Neil was raised in Trumbull, CT and currently resides in Ansonia, CT. Neil attended the University of Connecticut and graduated with a degree in economics. Neil became interested in real estate throughout the process of purchasing his first home and assisting other family and friends throughout their journey. Since graduating from college, Neil has held various sales positions, most recently in IT. Neil passionately cares about helping and educating people on making informed real estate decisions. Honesty and integrity are a staple in Neil’s repertoire. Neil looks forward to providing exceptional service to all his clients!

Nina Mancini


License Number: 0827087

Nina is a native of New Haven County and grew up in the Valley area. She has resided in Fairfield County for many years now and is very knowledgeable of the surrounding areas. Nina attended Southern Connecticut University, receiving a bachelor’s degree in psychology & education and then went on to attend Fordham University, where she graduated with a masters in social work. Nina has many years of experience in the hospitality and restaurant industry and has excellent communication skills. Nina has a background in the clinical social work field and has been in the helping profession since 2008. Nina’s attention to detail and passion for helping others will benefit you in your home buying and selling process. Nina became interested in real estate after looking for the perfect home during her first home buying experience. While attending many open houses and not having a clear idea of how the buying process worked, she realized that she wanted to help others navigate this process. Throughout this experience she realized that she has a true passion for helping others understand the real estate process. She knew she wanted to make it an easy and personable experience with little to no stress for both the buyer and seller. She looks forward to working with you and helping you find your dream home!

Phil Maguire


For the past 8 years Phil has resided in Milford where he and his wife have been raising their family. Phil was raised in Fairfield and holds a bachelor’s degree from Fairfield University. With 15 years of NYC commercial construction experience, he brings an educated eye to every property. Phil’s vast knowledge of construction combined with his local expertise made him a prime candidate to make the natural transition over to real estate. Phil is committed to making the journey of acquiring and selling homes a smooth and enjoyable process for his clients. Phil stated, “I am very excited to become a local resource for future clientele.” His hard work and go-getter attitude make him a valuable asset to the MAPP Team at Keller Williams Gold Coast

Sue Ratkiewich


Sue is a lifelong resident of Connecticut with extensive knowledge of the CT Shoreline on either side of Milford where she resides. Sue brings with her years of real estate experience and over 35 years in Corporate jobs, including negotiating multi-million dollar National and International Corporate contracts. She knows that educating her clients about the current local market and proper pricing brings a quick sale. With buyers, she pinpoints their specific needs and has a thorough understanding of local inventory to help them find just the right home in the shortest amount of time.

Sue represents both buyers and sellers and her commitment to her clients, her business integrity, negotiating experience and business partners, help make their experience as stress free as possible.

She can be reached at 203-530-4146 or Sue@MAPPmyHome.com

Tasha Agosto


Connecticut real estate professional Tasha Agosto was born and raised in Connecticut where she is devoted to serving the needs of real estate buyers and sellers throughout Fairfield and New Haven County. Tasha is renowned among her clients for her integrity, loyalty, and professionalism.

Tasha has joined Michael DeBiase Premium Properties Team, MAPP Team, at Keller Williams Gold Coast . An elite network of professionals focused on offering luxury buyers and sellers the highest level of client service and business integrity.

With over nine years of customer service experience, Tasha is known for her sales achievements and has a reputation as one of the most trusted and admired among clients. To ensure that her exclusive clientele receives the best service she is consistently furthering her education and is devoted to serving her clients around the clock.

Tasha possesses exceptional qualities that set her apart and enable her to successfully procure the goals of the buyers and sellers she represents.

Tasha is ready to show you the finest, most exclusive listings, while being mindful to your own, style, taste, and needs. You can rely on Tasha to help you through the entire process of your real estate investment while maintaining your privacy in the strictest manner. Excellence and high-quality service is her motto!

Walter Montero

License Number: RES.0802543

Walter was raised in Fairfield, CT ever since 1st grade. After graduating Fairfield High School, he traveled extensively while attending college in Florida. He ended up coming back to Fairfield to finish up his degree at Fairfield University. Walter said that, most of us end up coming back home to Fairfield because it is truly the best town to raise our children. He enjoys spending his free time with his wife, his 3 year old and 1 year old at the park, on hiking trails and at the local ice cream shops.

Walter started his career working at a local retail bank as well as managing a few restaurants. After all that , Real Estate became second nature to him. It is truly his love and passion to help all his clients fell that they have trustworthy agent by their side, Walter joined the MAPP Team (Michael DeBiase Premium Properties Team) at by Higgins Group Real Estate this year, to assist him in providing the best possible service to his clients.

Walter's goal is the same for buyers and sellers - to provide unsurpassed service across all price points.. He does this by combining his extensive market knowledge and genuine commitment to provide his clients with a positive home buying or selling experience. to Walter, it is not just about the purchase or sale you are making today, it is about the life long relation ships he makes along the way.

Dhrishaj Bist


License Number: Res.0806156

Dhrishaj Bist has lived in Connecticut for nearly a decade and currently resides in Fairfield, CT. He is an agent on the M.A.P.P. Team and brings his energy and enthusiasm with him to make home buying an exciting, smooth, and efficient process. Dhrishaj attends Sacred Heart University and is very knowledgeable of Southwestern CT. He started his career in retail and quickly made his way into real estate sales with the help of good mentors, and a little bit of hard work! He doesn’t believe the buying process is done with aggressive selling, rather he believes in building trust between agent and client to make am affective buying or selling team. Dhrishaj strives to provide a premier customer service experience that transforms clients into raving fans for life. This is achieved through innovative marketing, hard work, dedication, and proven systems that deliver valued results.
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