Dennis Beirne

Dennis Beirne About Dennis

Licensed Real Estate Salesperson

Dennis is a Licensed Real Estate Salesperson in the State of Connecticut. He joined William Pitt Sotheby’s International Realty in 2023. 

Previously, Dennis was employed by subsidiaries of People’s United Bank, based in Bridgeport, CT for thirty years. Through the course of many roles and consistently expanding responsibilities, he became an accomplished, driven, influential, and results-producing executive and business strategist.

Dennis owns a residence and an investment property in Milford, CT, where he lives with his wife, Jan. Their children, Skylar, and Jaxon, both in their twenties, pursued Theatre Majors in college, and are in the process of launching their lives and careers.

Dennis practices Transcendental Meditation and enjoys reading Stoic philosophy. He believes in lifelong learning and continuous improvement. In 2020 he completed his first marathon, the Eversource Hartford Marathon (run virtually due to the pandemic) and subsequently completed the Savin Rock and UConn Health Half Marathons in 2021 and 2023 respectively. Dennis seems to be continually looking forward to what’s next…



  • Lives In Milford, CT
  • Born In Bronx, NY
  • Favorite Movie Airplane! or Harvey (1950)
  • Interests Transcendental Meditation, Land Rovers, Karaoke
  • Favorite Lyric "Each time I find myself laying flat on my face, I just pick myself up and get back in the race..." Frank Sinatra
  • Can't Live Without My wife, my kids, and a good book or magazine...


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My Listings and Solds

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Very helpful and made everything very simple for me. Extremely knowledgeable and patient in explaining the process to me. Jennifer Gilbert
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I have had the pleasure of working for Dennis as my manager and then later as a peer.  Dennis is hard-working, honest, and generous with his time.  He is highly intelligent, a quick study, and able to simplify, (without oversimplifying) complex subject matters.  He is highly efficient with outstanding organizational and project management skills.  He is likable, easy to work with, and someone who is readily and deservedly respected and trusted. Brian
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Having worked for Dennis for over a decade, it is not surprising that he has transitioned to the real estate industry. He has always demonstrated a strong work ethic, integrity and genuine concern for his employees and colleagues' personal and professional success. As a real estate agent, I know that he will bring that same level of passion and dedication to helping his clients navigate the complexities of the real estate market - and at the same time make the experience enjoyable and fun!  Jessica Murray
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I had the great opportunity to have worked with Dennis for over 25 years.  During that time, I have grown to respect Dennis as a highly competent and dedicated co-worker, exceptional problem solver and team champion, and most importantly, a valued friend.  I have worked with Dennis on everything from small work efforts to multi-year, highly complex, and cross-divisional projects; for each, Dennis puts the same passion, attention to detail and willingness to go beyond expectations to get the job done and done well.  Working with Dennis is always a pleasure not only for his work ethic but his ability to bring fun to the process.  I highly recommend Dennis!! Teresa Vegliante
  • Dennis Beirne

    Dennis Beirne

    Licensed Real Estate Salesperson
    199 Post Road East
    Westport, CT 06880


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