Meet Attain Real Estate
At Attain Real Estate, we look at service as an opportunity. A love of real estate and a genuine desire to help people reach their goals is why we became Realtors®. Our team bands together to ensure that your experience is reliable and consistent. We’re in-the-know, forward thinkers who maintain relationships with top-notch professionals throughout Marin, San Francisco, and Sonoma. We bring energy, excitement, and expertise.
As real estate engineers, we understand what elements structure your success and satisfaction. It is not always what you think, especially in the Bay Area. We’ll sift and sort through what matters to you, and we’ll illuminate the best path forward. Knowing how to discern between a potential windfall and a potential pitfall is key.
Buying or selling, long-term or short-term, 1031 exchange or family heirloom, after $620 million in sales, we have managed it all. We harness our unrivaled work ethic, innovative tech, and network to help you Attain wealth, security, and freedom. Whether we’ve gotten top dollar through our nimble marketing efforts, transformed average into a dream home, or crafted a winning offer, we’ll be here for you long after the keys have been exchanged and the moving trucks are gone.

Highlights
Total Sales Volume
$ 0 M+
Total Homes Sold
0
5 Star Zillow Rating
0 .0

We could not have been happier with Deirdre and David O’Brien’s professionalism.
We could not have been happier with Deirdre and David O’Brien’s professionalism, attention to detail, dedication, time assisting us with selling preparation, and knowledge in representing us as sellers. We felt they went above and beyond in every way and would highly recommend the O’Brien team whether one is looking…

Mark was very patient with me and offered excellent advice through all…
B.B.
Novato
Mark was very patient with me and offered excellent advice through all phases as I successfully sold my first home and purchased my second home. Mark’s extensive knowledge of the real estate process proved extremely valuable to me as Mark kept in close communication and guided me through the process…

My wife and I would work with Erinn again in a heartbeat!
Client
Erinn is an absolute delight to work with and she continued to go above and beyond for us with our recent home purchase (and sale). She has a keen eye and offers great advice about property values, remodel opportunities, and the pros/cons with each unique property. Exceptionally prompt and responsive,…
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