COA Barrett started as two companies in the early 1990s. Both located in Southern Maryland, they recently found common ground in a long-term partnership to serve the Maryland area in 2022. 
Now, together, we are an engineering, land planning, and surveying team that takes pride in shaping local communities. Our licensed surveyors and engineers have more than 90 years of combined experience working on projects that will shape the future for homeowners, business owners, and communities.
Our goal is always to provide the highest quality services to Anne Arundel, Calvert, Charles, Prince George’s, and St. Mary’s Counties at competitive prices. 

Over our 25-year tenure, we have developed strong relationships with local planning boards, locally elected officials, the development community, and many valued individual clients. We plan to continue that trend for years to come.


We provide a wide range of services, including
Commercial Site Plans
Residential Subdivision Design
Building Permits
Location Surveys
Construction Stakeout Services
Road Design
Water & Sewer System Design
Storm Drainage and Stormwater Management Design
Wetlands Delineation and Location
As-Built Surveys
Boundary Surveys
FEMA Elevation Certificates
Forest Stand Delineation
ALTA Surveys

COA Barrett

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COA Barrett

Org chart

Teams

Offices

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