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Meet David O'Brien

David O'Brien Greenbrae, CA Real Estate Agent Headshot

David O'Brien

Broker Associate

Get to Know Me

With a deep-rooted passion for real estate and an unwavering commitment to Marin, David has been a prominent figure in Marin County's real estate landscape since 2008. As a seasoned real estate agent, David finds immense fulfillment in helping homes shine for sellers and guiding buyers to find their perfect abode, making the real estate journey an unforgettable experience for all.

What sets David apart is not only his expertise in the local real estate market but also his profound appreciation for the area's natural beauty and outdoor activities. From the proximity to Tahoe, San Francisco, the wine country and the coast to Marin's overall allure, David is deeply connected to the region and its myriad offerings.
 
Boasting a remarkable track record, David has achieved significant milestones, including obtaining his broker's license in 2017, being part of the Marin Top Agent Network since 2015, which represents the top 10% of agents in the county. Additionally, David is a distinguished member of the Marin Platinum Group, ranking among the top 100 agents in Marin County since 2016.
 
Beyond the realm of real estate, David cherishes moments captured through photography, finds solace in the serenity of hiking, and shares a love for soccer. With a son entering high school and a daughter preparing for college, David finds joy and inspiration in family life. He also loves spending time with friends and colleagues.
 
Committed to providing unparalleled service and expertise, David is dedicated to serving the real estate needs of his clients with a blend of professionalism and warmth that sets him apart in the industry. Whether you seek to sell your home or find your dream residence, David is poised to make your real estate aspirations a reality.
What Our Clients Say About Us

Team O’Brien at Compass were outstanding – extremely Knowledgeable, incredibly efficient, and always had my best interest at heart! From start to finish, they guided me confidently through every step, making the entire home – buying process effortless. I couldn’t have asked for a better team! Thank you, Deirdre and David!

— Robin S | Buyer

What Our Clients Say About Us

David and Deirdre have been a pleasure to work with since the get-go. They have been graceful with us - it was our first house, so we had a LOT of questions and needed a LOT of explanation. Throughout this whole process, not only they were extremely available and responsive, but they always went above and beyond to ensure we were set up for success! They negotiated our offer with patience, and always mad...

— Pamela B.

What Our Clients Say About Us

My husband and I had an exceptional experience working with Deirdre and David to purchase our first home. From the very beginning, Deirdre invested time in truly understanding our needs, patiently explaining the entire home-buying process, and preparing us for potential hurdles in the closing process. Both she and David were incredibly informative and transparent, offering honest insights into the pros a...

— Olga K.

What Our Clients Say About Us

We were consistently impressed by their dedication, from the late nights spent working on contracts and viewing properties to the valuable advice and perspectives they both provided. It was incredibly reassuring to know we had such a strong team in our corner. Deirdre was incredibly patient and dedicated when showing us homes. She really listened to our needs and, in the end, helped us find the perfect p...

— Isabela D.

What Our Clients Say About Us

Deirdre and David O'Brien were a dream to work with. Not only are they super knowledgable about properties in Marin county, the time they spent with us and the warmth they showed us let us know they really cared that we find the right house for us! We met with several other realtors, and when we met Deirdre, We knew she was who we wanted to work with! We are so happy with our new home thanks to both Deir...

— Renee M.

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At Team O’Brien, real estate isn’t just about buying and selling homes—it’s about helping you make the right move with confidence. Whether you’re buying, selling, or investing, we take the time to understand your goals and provide tailored solutions for success.