Team O'Brien

Meet Deirdre & David O’Brien

Deirdre O'Brien | CA DRE# 01990538
David O'Brien | CA DRE# 01832087

Deirdre and David are a top producing team, selling 24 homes a year on average. Their significant production means they have their "finger" effectively on the pulse of the real estate market in Marin. This gives their clients an edge whether buying or selling. They are also part of the Marin Top Agent Network, Marin Platinum Group, Marin Bus Tour, and North Marin Agent Networking Group. Additionally, being a part of Compass Marin means they are part of the brokerage with the largest market share. All of this means their clients are better served, because of their in-depth market insight, extensive experience, and networking connections.

Deirdre and David are always honored when someone chooses to work with them.

Learn More

Home Search

Home Valuation

Contact Us

Numbers That Define Our Success

With top rankings in Marin County, a strong track record of successful transactions, and a deep understanding of the local market, we’ve helped countless clients buy, sell, and invest with confidence.

339+

Closed Sales

$287.8M+

Total Value

5 Star *****

Zillow & Google Reviews

Our Portfolio

Sold

$5,200,000

4890 Grange Rd, Santa Rosa, CA 95404

5 BEDS
7 BATHS
6,368 Sq.Ft.

Sold

$3,300,000

2473 Vineyard Rd, Novato, CA 94947

4 BEDS
5 BATHS
4,313 Sq.Ft.

Sold

$2,200,000

2034 Hatch Rd, Novato, CA 94947

4 BEDS
3 BATHS
2,960 Sq.Ft.

Sold

$1,860,000

34 Mount Tallac Ct, San Rafael, CA 94903

5 BEDS
3 BATHS
2,740 Sq.Ft.

Sold

$1,788,000

108 Garner Drive, Novato, CA 94947

4 BEDS
4 BATHS
4,238 Sq.Ft.

Sold

$1,726,825

23 Hearthstone Ct, San Rafael, CA 94903

3 BEDS
2 BATHS
1,695 Sq.Ft.

Sold

$1,657,000

257 Mountain View Ave, San Rafael, CA 94901

3 BEDS
2 BATHS
1,758 Sq.Ft.

Sold

$1,649,000

30 Gregg Pl, Novato, CA 94949

4 BEDS
2 BATHS
2,103 Sq.Ft.

Sold

$1,545,000

59 Rockrose Way, Novato, CA 94945

4 BEDS
3 BATHS
2,888 Sq.Ft.

View All

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.

View All

Featured Properties

Active Under Contract

$989,000

114 Hawthorn Way, San Rafael, CA 94903

3 BEDS
1 BATH
1,152 Sq.Ft.

For Sale

Open House: 4/26/2025, 2:00 PM - 4:00 PM

$935,000

1255 Santa Ines Way, Petaluma, CA 94954

4 BEDS
3 BATHS
2,148 Sq.Ft.

For Sale

$5,500,000

316 Goodhill Rd, Kentfield, CA 94904

5 BEDS
5 BATHS
4,481 Sq.Ft.

For Sale

$4,295,000

55 Marin Bay Park Ct, San Rafael, CA 94901

4 BEDS
5 BATHS
5,193 Sq.Ft.

For Sale

$2,995,000

282 Riviera Dr, San Rafael, CA 94901

5 BEDS
6 BATHS
2,692 Sq.Ft.

For Sale

$2,895,000

156 Peacock Dr, San Rafael, CA 94901

4 BEDS
3 BATHS
2,968 Sq.Ft.

For Sale

$2,850,000

27 Lupine Ct, San Rafael, CA 94901

4 BEDS
3 BATHS
3,325 Sq.Ft.

Pending

$1,950,000

30 Corte Cayuga Ct, Greenbrae, CA 94904

3 BEDS
2 BATHS
1,924 Sq.Ft.

Pending

$1,895,000

92 Via La Brisa, Larkspur, CA 94939

3 BEDS
3 BATHS
2,026 Sq.Ft.

View All

Here’s What You Need to Know!

Thinking of Moving to Marin County, CA? Discover what new residents wish they had known before relocating: ✔️ Cost of living vs. San Francisco ✔️ Commute & traffic on Highway 101 ✔️ Home prices in Marin’s competitive market ✔️ Lifestyle & community – Schools, outdoor activities & more. Watch now.