About O'Brien Realty

Serving Southern Maryland over Solomons Water -O'Brien Realty

Our Mission O'Brien Realty- agent and clients making a deal in front of a home

Our Mission

We are committed to treating our customers and clients as family, and to do our very BEST to make your real estate transaction as effortless as possible, and at times even fun! We promise to deliver all of our services, including those of our affiliated title and mortgage companies with an unequaled level of professionalism and enthusiasm.

Why Choose O'Brien Realty- two agents looking over housing market data

Why Choose O'Brien Realty

When you work with O’Brien Realty you have the BEST of Southern Maryland at your side. Whether you are ready to purchase or sell a property, or simply want to consult with an expert about an area, we strive to deliver the dedicated and personalized attention you deserve. Our 97% customer satisfaction record is a confident reflection of our commitment to our clients. Our highly trained professionals are the key to both our success and yours. Through your search, the paperwork and the negotiation,and everything in between, they will provide you with the information and advice you need to make well-informed decisions, saving you time and money. We have been serving Southern Maryland for over 40 years, and we are committed and eager to help you with all of your real estate questions and needs. Get Started With An O'Brien Agent Today!

Meet Mike O'Brien A Strong Foundation- Mike's headshot banner and information

A Strong Foundation: Meet Mike O'Brien

Mike O’Brien (GRI, CRB BROKER, OWNER) founded O’Brien Realty in 1980. With 5 locations throughout the Southern Maryland region, and over 30 years of service, O’Brien Realty is the largest and most successful locally owned real estate company in the Southern Maryland region. In just five years, our company was awarded the prestigious honor of being one of the top “100 Firms” nationally.  Mike is a graduate of the Relators Institute (GRI) and is a Certified Residential Broker (CRB). He attended St. Mary’s College Of Maryland, and graduated with honors from the University of Maryland, with degrees in economics and accounting. He served in the U.S. Army, and is a decorated Vietnam Veteran. Mike’s dedication to his associates, and his clients have made O’Brien Realty the BEST of Southern Maryland.

Serving Our Southern Maryland Community O'Brien Realty- community members link arms and walk through a field with sun

Proudly Serving Our Southern Maryland Community

With 5 locations serving Southern Maryland, we are a familiar part of the local community; not just a franchise. Serving our community and local Southern Maryland area has always been a priority at O’Brien Realty and we are proud to sponsor events that support our Southern Maryland Community! Our commitment to the community, our land and waterways, has solidified our reputation as the BEST in Southern Maryland.

Some local events & organizations we sponsor!

Solomons 4th Of July Fireworks (Solomons Business Association)

The Solomons Business Association (SBA) continues its proud tradition of celebrating Independence Day with its spectacular firework display in Solomons! Funded by a collection of local businesses and community members, this is certainly an event for the community by the community. Join us on July 4th for a dazzling display! For more information, please visit Solomons Business Association (solomonsmaryland.com)Solomon's 4th Of July Fireworks- O'Brien Realty


Waterside Music Series (Calvert Marine Museum) 

Calvert Marine Museum’s Waterside Music Series is a fun local tradition, and the Calvert Marine Museum’s biggest fundraiser of the year. Proceeds from the Waterside Music Series supports CMM’s preservation work and educational efforts for over 20,ooo children each year. This concert gives them the resources they need to continue collecting, preserving, researching and interpreting Southern Maryland’s culture and natural history. For more information, please visit www.calvertmarinemuseum.com.

2022 CMM's Waterside Music Series- O'Brien Realty

2022 Concert Web Banner


Riverside Concert Series (St. Mary’s College Of Maryland)

The St. Mary’s College Of Maryland’s River Concert Series is a proud Southern Maryland tradition and the winner of two Governor’s Awards for Arts, Tourism, and Community Economic Development. This family-friendly music festival features The Chesapeake Orchestra and many other talented musicians, enriching the culture offering of the region and promoting the Southern Maryland Region throughout the rest of the state. It has become a vital element of the community and the economic development of the region. For more information, please visit River Concert Series - St. Mary's College of Maryland (smcm.edu)Riverside Concert Series- O'Brien Realty


Supporting Community Partner (Historic Sotterley)

Historic Sotterley is a National Historic Landmark with 94 acres and over 20 authentic structures, Colonial revival gardens and nature trails on the property. They are dedicated to being an educational and cultural resource for the community, connecting people to our shared land, history, common values, and most importantly, to each other. Sotterley works to build a better community through its educational programs, preservation efforts, sustainable farming donations, and community events to foster honest conversations and connections. For a full list of programs, events, guided tours and more information, please visit Sotterley – The Crossroads of Time, Space and IdeasHistoric Sotterley grounds and gardens