St. Mary's County, MD Real Estate & Homes for Sale

St. Mary's
For Sale / All Types

Are you planning to buy a home in Maryland’s St. Mary’s County? Look no further. Our thorough guide will teach you everything you need to know about the housing market and available houses in St. Mary’s County.

Popular St. Mary's County Cities and Neighborhoods

  • Leonardtown
  • Lexington Park
  • California
  • Mechanicsville
  • Charlotte Hall
  • Ridge
  • Piney Point
  • Hollywood
  • St. Inigoes

St. Mary's County, in brief

St. Mary’s County, located in Southern Maryland, is known for its rich colonial history and scenic waterfronts along the Chesapeake Bay and the Potomac River. With a population of over 110,000, it combines a rural atmosphere with growing suburban areas. The county is home to the Patuxent River Naval Air Station, a major employer, and has a strong military presence. It’s also celebrated for its outdoor recreational opportunities, historic sites, and vibrant community festivals.

Popular St. Mary's County Neighborhoods

There are a number of well-known neighborhoods in St. Mary’s County, each with its own special advantages and charm. Here are four of St. Mary’s County’s most sought-after neighborhoods.


Leonardtown is the county seat of St. Mary’s County, Maryland. It had a population of 4,563 as of the 2020 census. Leonardtown is renowned for the national oyster-shucking championship held annually at the St. Mary’s County fairgrounds.

Leonardtown, Maryland

Lexington Park

Lexington Park is a census-designated place in St. Mary’s County, Maryland, United States, with a population of 11,626 as per the 2010 census. It is the principal community of the Lexington Park, Maryland Micropolitan Statistical Area. Lexington Park is adjacent to the Patuxent River Naval Air Station, a major factor in the area’s development.

Lexington Park, Maryland


California is a census-designated place and community in St. Mary’s County, Maryland, United States. The population was 11,857 at the 2010 census, which was a significant increase from the 2000 census. The community has been expanding due to the spread of population from the older adjacent community of Lexington Park and growth in jobs related to the Patuxent River Naval Air Station.

California, Maryland


Mechanicsville is an unincorporated community and census-designated place in St. Mary’s County, Maryland. It is known for its agriculture, Amish population, and a large farmers’ market/flea market. Mechanicsville has many small businesses and restaurants along Maryland Route 5 and Maryland Route 235. The community had a population of 1,528 according to the 2010 census.

Mechanicsville, Maryland

Housing Options Available

  • Single-Family Homes: These homes range from waterfront properties to rural farmhouses, offering diverse choices for those seeking privacy, space, and scenic views.
  • Townhomes and Condominiums: Particularly in more developed areas like California and Lexington Park, these housing options are popular among those looking for a community-oriented and low-maintenance lifestyle.
  • Apartments: There is a variety of apartments available, from luxury complexes near the naval base to more affordable units, catering to different lifestyles and budgets.
  • Rural Retreats: For those desiring solitude and a connection with nature, the county’s rural areas offer homes on larger land parcels, perfect for a peaceful and private living experience.


St. Mary’s County offers a unique blend of historical richness, waterfront beauty, and rural tranquility. Its real estate market is diverse, catering to various preferences, from bustling suburban communities to quiet, scenic countryside living. With its strong sense of community, natural landscapes, and historical significance, St. Mary’s County is an attractive and fulfilling place to call home.

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