Decks & Porches
Composite, PVC and natural wood decks designed in 3D before we build.
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Residential
One Contractor. The Whole Project.
From a deck to a full addition, OSSA handles design, permits, materials and construction with our own crews across Northern Virginia.
Residential services
Everything we build for homeowners.
Every project includes a free on-site consultation, a 3D design before we order anything, and a fixed-price proposal within 48 hours.
Screen Porches
The outdoor room you can actually use from April to October.
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A real room with a real foundation, conditioned and finished to match your house.
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More house, without moving.
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Full kitchen renovations handled by one contractor, from demolition through the final punch list.
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Full bathroom renovations where the waterproofing is done correctly, because that is the part you will never see and the only part that can ruin the room.
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Driveways, patios, walkways and slabs poured over a base that was actually prepared.
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Detached and attached garages, garage additions and conversions.
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Free estimate
Not sure which one you need?
Tell us what you are trying to solve and we will tell you honestly what fits, including when the answer is a smaller project than you expected.
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