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Home Addition Contractor in Washington DC

Need more living space but love your current home?

A custom home addition can give you the extra room your family needs without the cost and stress of moving. Whether you’re planning a larger kitchen, a new primary suite, a second-story addition, or a complete rear expansion, a well-designed addition can improve your home’s comfort, functionality, and long-term value.

At DMV Home Additions & Remodeling, we specialize in designing and building high-quality home additions throughout Washington DC. Our experienced design-build team manages every stage of your project—from the initial consultation and architectural plans to structural engineering, permit approvals, construction, inspections, and the final walkthrough.

Because every Washington DC neighborhood has its own architectural style and permitting requirements, we carefully design each addition to blend seamlessly with your existing home while meeting all local building codes and zoning regulations.

Complete Design-Build Home Addition Services

We provide custom home addition solutions for homeowners throughout Washington DC, including:
  • Rear Home Additions
  • Second Story Additions
  • First Floor Additions
  • Kitchen Expansions
  • Family Room Additions
  • Living Room Additions
  • Bedroom Additions
  • Bathroom Additions
  • Home Office Additions
  • Sunroom Additions
  • In-Law Suite Additions
  • Garage Conversions
  • Carport Conversions
  • Mudroom Additions
  • Laundry Room Additions
Every addition is customized to match your home’s architecture, structural requirements, and your family’s lifestyle.

Our Design-Build Process

We believe homeowners deserve a clear and organized remodeling experience. Our proven design-build process keeps your project moving efficiently while maintaining quality at every stage.
We meet with you to understand your goals, evaluate your property, discuss your budget, and explore design ideas.
Our team measures the home, reviews existing conditions, and determines structural considerations.
We create detailed floor plans and elevations that maximize your available space while complementing your home’s existing design.
Our engineering partners prepare structural calculations and framing plans required for permit approval.
We prepare and submit permit applications and coordinate with the Washington DC Department of Buildings (DOB).
We help you select exterior finishes, windows, roofing, siding, flooring, cabinets, lighting, plumbing fixtures, and other finishes.
Our experienced craftsmen complete every phase of construction while maintaining a clean and organized job site.
We coordinate required inspections throughout construction to ensure the project complies with current building codes.
Before project completion, we perform a detailed walkthrough to ensure every item meets our quality standards and your expectations.

Why Homeowners Choose DMV Home Additions & Remodeling

Homeowners throughout Washington DC trust our team because we focus on quality construction, honest communication, and careful planning from start to finish.

What Makes Us Different

  • Over 15 years of residential remodeling experience
  • Licensed Design-Build Contractor
  • Serving Washington DC, Maryland, and Northern Virginia
  • Architectural Design Coordination
  • Structural Engineering Coordination
  • Permit Management Assistance
  • Detailed Project Planning
  • Dedicated Project Management
  • High-Quality Craftsmanship
  • Clear Communication Throughout the Project
  • Transparent Estimates with Detailed Scope of Work
  • Respectful, Clean, and Organized Job Sites

Popular Home Additions We Build in Washington, DC

Kitchen Expansions

Increase kitchen space with larger islands, walk-in pantries, breakfast areas, and open-concept layouts.

Second Story Additions

Add bedrooms, bathrooms, and a spacious primary suite without sacrificing your yard.

Rear Home Additions

Expand your kitchen, dining room, or family room while creating a more open and functional layout.

Primary Suite Additions

Create a private retreat with a spacious bedroom, luxury bathroom, and walk-in closet.

Family Room Additions

Add comfortable gathering space designed for everyday living and entertaining.

Home Office Additions

Build a dedicated workspace perfect for remote work or a home business.

In-Law Suites

Create independent living space for family members with bedrooms, bathrooms, and living areas.

Serving Homeowners Throughout Washington DC

We proudly provide home addition services throughout Washington DC, including:
  • Georgetown
  • Capitol Hill
  • Chevy Chase, MD
  • Cleveland Park
  • Tenleytown
  • Palisades
  • Spring Valley
  • American University Park
  • Friendship Heights
  • Great Falls, VA
  • Forest Hills
  • Wesley Heights
  • Glover Park
  • Foxhall
  • Northwest DC
  • Southwest DC
  • Northeast DC
  • Southeast DC

Frequently Asked Questions About Home Additions

For many homeowners, a home addition is more affordable than moving. An addition lets you gain extra living space without leaving your neighborhood, changing schools, or paying moving costs. It can also increase your home’s resale value when designed and built properly.
Before beginning your project, think about your budget, the purpose of the new space, your property’s lot size, zoning requirements, and how the addition will connect to the existing home. Planning these details early helps avoid delays and unexpected costs.
In many cases, yes. Well-designed home additions that provide functional living space—such as primary suites, larger kitchens, family rooms, or additional bedrooms—can improve both your home’s usability and market value.
Every home is different. A structural engineer will evaluate your existing foundation and framing to determine whether reinforcement is needed before adding another level.
The best way is to finalize the design, material selections, and layout before construction begins. Making major design changes during construction often increases both the cost and the project timeline.
Sometimes. Larger additions may require updates to your electrical service, HVAC system, plumbing, or water heater. Your contractor should evaluate your existing systems during the planning stage.
Choose exterior materials, roofing, siding, windows, trim, and architectural details that match or complement your current home. A well-designed addition should look like it was part of the original house.
Not always. Many homeowners continue living in their homes while the addition is being built. However, if extensive structural work or major interior renovations are involved, temporarily relocating may provide a safer and more comfortable environment.
Some of the most requested additions include rear home additions, second-story additions, kitchen expansions, primary suite additions, family rooms, home offices, mudrooms, and in-law suites.
When built according to current building codes using quality materials and proper construction practices, a home addition can last for decades with regular maintenance.
Ask whether the contractor is licensed and insured, who prepares the architectural plans, how permits are handled, what warranty is offered, who supervises the project, how change orders are managed, and whether they can provide references from recent projects.
Common mistakes include choosing a contractor based only on the lowest price, changing the design after construction starts, selecting materials too late, not planning for a temporary living arrangement if needed, and overlooking permit requirements.
Remove valuable items from nearby rooms, protect furniture, create a safe path for workers, relocate vehicles if necessary, and discuss the construction schedule with your contractor so you know what to expect each week.
In many cases, adding living space may increase your property’s assessed value, which can affect future property taxes. The exact impact depends on local assessment policies.
A contractor, architect, or engineer can evaluate your lot size, setback requirements, zoning regulations, utility locations, and the existing structure to determine what type of addition is feasible.

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