O'Brien Realty The Best of Southern Maryland

"No Place Like Home, No Time Like The Present." ®
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5 Office Locations

O'Brien Realty California Office

O'Brien Realty Huntingtown/Prince Frederick Office

O'Brien Realty Solomons Office

O'Brien Realty Waldorf Office

O'Brien Realty Charlotte Hall Office


About O'Brien Realty The Best of Southern Maryland

We are committed to treat all of our customers as family and to do our very best to make your real estate transaction as smooth as possible. We promise to deliver all of our services, including those of our affiliated title, mortgage and relocation companies with an unequaled level of enthusiasm.

Mike O'Brien founded O'Brien Realty in 1980 and began building the largest, most successful independent company in the area. He is a Graduate of the Realtors Institute (GRI) and is a Certified Residential Broker (CRB). In just five years our company was awarded the prestigious honor of being one of the Top "100 FIrms" nationally. O'Brien Realty continues it's tradition as the leading brokerage firm in Southern Maryland. Over the last twenty years our company has enjoyed a broker relationship with more award winning associates than any other real estate company in the tri-county area. We owe our success to the many people affiliated with our firm. Our 97% customer satisfaction record is a confident reflection of our commitment to our clients.

Latest Blog Posts

The Four Tops, The Temptations, And The Beach Boys Close The Summer 2022 CMM Waterside Music Series

Posted by Heather Cullum
August 8 2022
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O’Brien Realty is proud to sponsor the 2022 Waterside Music Series featuring The Beach Boys, The Temptations, and The Four Tops!  Beach Boys and Temptations and Four Tops… oh

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How's The Southern Maryland Housing Market? (July 2022)

Posted by Heather Cullum
August 1 2022
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By O’Brien Realty Find out how the housing market is doing in the Southern Maryland tri-counties of Calvert, Charles, and St. Mary’s! There has been a recent heat wave in

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Start The Summer Savings! 5 Tips To Help You Save For Your Dream Home

Posted by Heather Cullum
July 25 2022
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By O’Brien Realty  Saving up for a home in this summer of high inflation? Here are 5 tips to get you started! This summer is heating up, and unfortunately so is the inflation rate.

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Summer Is A Splash With Waterfront Properties In Southern Maryland!

Posted by Heather Cullum
July 15 2022
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By O’Brien RealtySouthern Maryland boasts plenty of waterfront properties across all three counties of Calvert, Charles, and St. Mary’s! Summer is the best time to enjoy these properties

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