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

September Brings A Shift In The Southern Maryland Housing Market (Sept. 2022)

Posted by Heather Cullum
September 27 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!September has brought a shift in the Southern

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It's County Fair Season In Southern Maryland!

Posted by Heather Cullum
September 12 2022
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By O’Brien Realty  Welcome to the Southern Maryland County Fair Season! Each county in Southern Maryland hosts their own fair celebrating the local agriculture, heritage, and talent.

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What the Updated SmartBuy 3.0 Program Means For First-Time Homebuyers In Southern Maryland

Posted by Heather Cullum
September 7 2022
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By O’Brien RealtyNew student loan debt payments and downpayment/closing cost assistance is available! Find out what the new SmartBuy 3.0 Program updates could mean for you. First-time

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How’s The Southern Maryland Housing Market (August 2022)

Posted by Heather Cullum
August 30 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! The hot Southern Maryland is shifting into

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