A home addition can create the space you need without requiring a move. The most useful starting point is not choosing finishes or a construction date—it is understanding your property, your goals, and the plans your local jurisdiction may require.
Start with your existing home and property
Define what the addition should accomplish: an extra bedroom, a larger kitchen, an accessible living area, or a better connection to the outdoors. Review how the proposed space will relate to existing rooms, windows, circulation and the home's exterior character.
Property boundaries, setbacks, easements, lot coverage limits and zoning rules can affect where and how much you can build. Verify these constraints with the applicable county or municipality before committing to a layout.
What drawings might a home addition require?
Depending on the project's scope and local review requirements, a drawing package may include:
- Existing and proposed floor plans showing the relationship between spaces
- Exterior elevations illustrating the proposed appearance
- Building sections and construction details where appropriate
- Site or plot information showing the proposed addition's location
- Structural or other specialty documentation when required by the jurisdiction
The exact documents vary by project and permitting authority. Certain projects or technical elements may require drawings or certifications by licensed professionals. Confirm those requirements before submitting an application.
How does the Maryland permit process work?
Permit review is handled by the authority with jurisdiction over the property. Requirements can differ between Montgomery County, Prince George's County, Anne Arundel County, Baltimore-area jurisdictions and incorporated municipalities.
A typical sequence includes early zoning research, developing a design, preparing the required drawing package, submitting an application, responding to review comments and obtaining approvals before construction begins. Additional reviews may apply to properties with special zoning, historic or environmental conditions.
Questions to answer before requesting plans
- What is the property's address and jurisdiction?
- Do you have a current survey or existing floor plans?
- What rooms or functions need to change?
- What budget range and project timing are realistic?
- Will the addition change plumbing, mechanical systems or structural elements?
How ATECT Architecture can help
ATECT Architecture is an architectural design firm providing residential architecture design and drawing services. We help homeowners develop their ideas into coordinated plans and construction documentation appropriate to the project scope. Where licensed professional services are required, those requirements must be addressed separately with the appropriate licensed professional.
Planning a home addition?
Tell us about your property and what you would like to change.
Start a ProjectThis article is general planning information, not a determination of permit eligibility, code compliance or professional licensure requirements. Confirm current requirements with your local permitting authority.