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Meet the Team

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.

What Our Clients Say About Us

Deirdre and David are very knowledgeable. They jumped right in to help me when I was overwhelmed . They were very hands on and helped to navigate , book and organize all the contractors. They made this home sale so seamless. This is the second time that I have worked with Deidre and David. And my next home, I will definitely reach out to them to guide me.

— Jenifer M.

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Our Portfolio

Sold

4890 Grange Rd
$5,200,000

4890 Grange Rd, Santa Rosa, CA 95404

  • 5 BEDS
  • 7 BATHS
  • 6,368 Sq.Ft.

Sold

2473 Vineyard Rd
$3,300,000

2473 Vineyard Rd, Novato, CA 94947

  • 4 BEDS
  • 5 BATHS
  • 4,313 Sq.Ft.

Sold

2034 Hatch Rd
$2,200,000

2034 Hatch Rd, Novato, CA 94947

  • 4 BEDS
  • 3 BATHS
  • 2,960 Sq.Ft.

Sold

34 Mount Tallac Ct
$1,860,000

34 Mount Tallac Ct, San Rafael, CA 94903

  • 5 BEDS
  • 3 BATHS
  • 2,740 Sq.Ft.

Sold

23 Hearthstone Ct
$1,726,825

23 Hearthstone Ct, San Rafael, CA 94903

  • 3 BEDS
  • 2 BATHS
  • 1,695 Sq.Ft.

Sold

257 Mountain View Ave
$1,657,000

257 Mountain View Ave, San Rafael, CA 94901

  • 3 BEDS
  • 2 BATHS
  • 1,758 Sq.Ft.

Sold

30 Gregg Pl
$1,649,000

30 Gregg Pl, Novato, CA 94949

  • 4 BEDS
  • 2 BATHS
  • 2,103 Sq.Ft.

Sold

59 Rockrose Way
$1,545,000

59 Rockrose Way, Novato, CA 94945

  • 4 BEDS
  • 3 BATHS
  • 2,888 Sq.Ft.

Sold

1967 Las Gallinas Ave
$1,500,000

1967 Las Gallinas Ave, San Rafael, CA 94903

  • 4 BEDS
  • 3 BATHS
  • 1,960 Sq.Ft.
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We’re Here to Help

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.

Contact Us
Get in Touch
Contact Details

Team O'Brien

(415) 342-1968

[email protected]



300 Drakes Landing Rd Ste 120

Greenbrae CA 94904

Deirdre O'Brien | CA DRE# 01990538

David O'Brien | CA DRE# 01832087