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The All Purpose Anytime Services crew on a job site in the DMV
SINCE 2020
5.0 on Google · 4 reviews

Home Additions in Maryland, DC and Northern Virginia

More room without moving. A home addition puts a bedroom, a family room, a larger kitchen or a suite onto the house you already own, built as one job from the footing to the paint, with one written scope and one price before any ground is broken.

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What a Home Addition Covers

An addition is a small new building joined to an old one. The work splits three ways: the new structure, the connection to the existing house, and the finished room inside. All three sit on one scope with one person answering for it.

Planning the Room First

What the room is for decides its size, where the doorway from the house lands, where the windows go and how the new roof meets the old one. We settle that with you before pricing, so the number is for the room you actually want.

Footing and Framing

The new room sits on its own footing and is framed to the floor height of the house, so you step through the opening without a ramp or a lip.

Roof Tie-In and Weathering In

Where the new roof meets the old one is where additions leak. The tie-in, the flashing and the siding joint get the most attention, and the shell is closed to the weather before the inside work starts.

Opening Into the House

An outside wall becomes an inside one. The opening gets a proper header, the old siding and sheathing come out, and the dust stays on the addition side while you live in the rest of the house.

Systems Carried Across

Outlets, lighting, heating and cooling, and water if the room needs it, extended from the house and coordinated with licensed trades and the inspections the jurisdiction requires.

Finished to Match

Insulation, drywall, trim, flooring and paint finished so the new room reads as part of the house rather than something bolted on, with the floor carried through the opening where the material allows.

Why One Contractor for the Whole Addition

One Scope, One Price
Footing to paint on one written scope and one price before work starts. If opening the old wall changes the scope, you hear about it and approve it first.
Licensed, Bonded & Insured
Home Improvement Contractor License No. 420226000078, with residential and contractor licensing in Washington, DC and Maryland.
Permits Handled
An addition needs a building permit. We identify what yours needs and coordinate permitting and inspections in Maryland, DC and Virginia.
A Free Written Estimate
We walk the lot and the side of the house the addition would join, then put the scope and the price in writing at no cost to you.

Where Home Additions Go Wrong

  • The Roof Joint Leaks

    Most addition leaks start where the new roof meets the old one, or where new siding butts the old. That joint is flashed and checked before the inside is closed up, because a leak there shows up months later as a stain on a brand new ceiling.

  • The Floors Do Not Line Up

    An addition framed a little high or low leaves a step at the opening. Setting the new floor height from the existing house, not from the ground outside, is what keeps the transition flat.

  • The Old House Was Not Ready

    A panel with no room for new circuits, or heating that cannot reach one more room, turns a simple addition into a bigger one when it is found late. We look at both on the first walk and price them up front.

Estimates Scheduled 7 Days A Week

Get a Free Home Additions Quote

  • Free estimate, online or on site

Or call us directly:

(240) 695-4415

Tell Us About the Home Additions Job

We take insurance jobs. Financing may also be available for qualifying projects. See financing options.

How a Home Additions Job Runs

  1. 1Tell us what the new room is for and roughly where on the house you picture it, with photos of that side if you have them.
  2. 2We walk the lot and the wall the addition would join, and look at the electrical panel and the heating while we are there.
  3. 3You get a written scope and price, plus what the permit will need, before anything is ordered.
  4. 4Footing, framing and roof go up and the shell is closed to the weather before the old wall is opened.
  5. 5Systems, insulation, drywall, flooring and paint finish the room, and we walk it with you against the scope.

Home Additions Questions We Get Asked

Is it cheaper to remodel a house or build a new one?

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Usually remodeling or adding on costs less than building new, because the land, the existing foundation, the utility connections and most of the structure are already paid for. Building new starts to make sense when the structure itself has to come down. We do not publish a per-square-foot price; the free written estimate prices your addition against your house.

What is the 30% rule in remodeling?

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It is a rule of thumb, not a law or a code: keep what you spend on a remodel or an addition at or under roughly 30 percent of what the house is worth, so you are not putting in more than the neighborhood will give back when you sell. If you plan to stay for years, how the house works for you can matter more than the resale math.

Do you pull permits?

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An addition needs a building permit. We identify what yours requires and coordinate permitting and inspections in Maryland, DC and Virginia, and in DC we manage the submission for you.

Read the full answer

Completed Work

Where Home Additions Fits in the Work We Do

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