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Business Details
24 Years
experience
Professional Land Surveyors in Poolesville, MD
Potomac Valley Surveys was founded in 2002 by David Mowatt, a licensed professional land surveyor with over 35 years of experience in the Washington Metropolitan area. Our firm specializes in land surveying and planning for property redevelopment in Montgomery County and the District of Columbia. We collaborate closely with homeowners, architects, and builders to ensure site designs integrate naturally with existing properties while meeting all zoning, stormwater management, and tree protection regulations. As a proud member of the Maryland Society of Surveyors and the District of Columbia Association of Land Surveyors, we maintain the highest standards of professionalism and technical expertise.

Our team of certified survey technicians brings decades of collective experience to every project, ensuring accurate and compliant solutions for residential and commercial clients. We are committed to delivering precise, reliable surveying services that support sustainable development and regulatory compliance in the region.
Services
Boundary Survey Topographic Survey Stormwater Management Suburban Infill Plans Tree Protection Plans Drainage Planning Aerial Mapping FEMA Flood Surveys Construction Surveying Wetlands Delineation
Details
  • Year established: 2002
Highlights and features
  • We offer over 35 years of local surveying expertise in the Washington Metropolitan area.
  • Our team includes certified survey technicians with specialized land planning knowledge.
  • We ensure compliance with Montgomery County and DC zoning, stormwater, and tree protection regulations.
  • Our firm maintains active membership in the Maryland Society of Surveyors and DC Association of Land Surveyors.
  • We provide tailored solutions for residential and commercial property redevelopment projects.
Services
Boundary Survey
Our boundary surveys precisely define property lines using advanced geospatial technology. We deliver accurate legal descriptions for land transactions, development projects, and dispute resolution. Clients receive detailed documentation meeting Maryland and DC regulatory standards.
Suburban Infill Plans
We create comprehensive plans for property teardown and rebuild projects. Our designs ensure compliance with zoning regulations while maximizing energy efficiency. Services include site grading, stormwater management, and tree protection planning for seamless integration with existing landscapes.
Topographic Survey
Our topographic surveys capture detailed elevation data and natural features. This information supports drainage planning, construction design, and environmental compliance. We use GPS and RTK technology to deliver precise 3D mapping for development projects.
Stormwater Management
We develop customized stormwater management plans meeting local regulations. Our solutions address sediment control, runoff mitigation, and environmental protection. Plans integrate seamlessly with site development while ensuring compliance with Montgomery County and DC requirements.
Tree Protection Plans
Our tree protection plans balance development needs with environmental stewardship. We inventory existing vegetation and design protective measures that comply with local ordinances. Services include canopy analysis and preservation strategies for residential and commercial projects.
People
David Mowatt
President
David Mowatt is a licensed professional land surveyor in Maryland and DC with over 35 years of regional experience. He leads all surveying operations and ensures regulatory compliance for clients in Montgomery County and the District of Columbia.
Questions
What services does Potomac Valley Surveys offer?
We provide boundary surveys, topographic mapping, stormwater management plans, suburban infill planning, tree protection plans, and other land surveying services for residential and commercial projects.
How long has the company been in business?
Potomac Valley Surveys was founded in 2002, though our team has over 35 years of combined surveying experience in the Washington Metropolitan area.
Which areas do you serve?
We primarily serve Montgomery County and the District of Columbia, focusing on local regulatory requirements and environmental conditions.
Are your surveyors licensed and certified?
Yes, our president David Mowatt is a licensed professional land surveyor in Maryland and DC, and all staff are certified survey technicians.
How do you ensure regulatory compliance?
We maintain active membership in local surveying associations and work directly with county and district review agencies to ensure all plans meet current zoning and environmental regulations.