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Where we work
Service areas
Onyx is based in Fairfax and works throughout Northern Virginia and Washington DC. Estimates are free everywhere on this list — if you are just outside it, call and ask, because we often can.
From Fredericksburg to the District
Shaded areas are the counties and independent cities we work in. Vienna and Herndon sit inside Fairfax County, so they are marked with pins rather than their own outline.
- Jurisdictions we serve
- Cities and towns
Fairfax, VA
Masonry, paving, and stonework across Fairfax and the surrounding neighborhoods.
Vienna, VA
Masonry, paving, and stonework across Vienna and the surrounding neighborhoods.
Falls Church, VA
Masonry, paving, and stonework across Falls Church and the surrounding neighborhoods.
Arlington, VA
Masonry, paving, and stonework across Arlington and the surrounding neighborhoods.
Alexandria, VA
Masonry, paving, and stonework across Alexandria and the surrounding neighborhoods.
McLean, VA
Masonry, paving, and stonework across McLean and the surrounding neighborhoods.
Tysons, VA
Masonry, paving, and stonework across Tysons and the surrounding neighborhoods.
Reston, VA
Masonry, paving, and stonework across Reston and the surrounding neighborhoods.
Herndon, VA
Masonry, paving, and stonework across Herndon and the surrounding neighborhoods.
Springfield, VA
Masonry, paving, and stonework across Springfield and the surrounding neighborhoods.
Annandale, VA
Masonry, paving, and stonework across Annandale and the surrounding neighborhoods.
Clifton, VA
Masonry, paving, and stonework across Clifton and the surrounding neighborhoods.
Manassas, VA
Masonry, paving, and stonework across Manassas and the surrounding neighborhoods.
Manassas Park, VA
Masonry, paving, and stonework across Manassas Park and the surrounding neighborhoods.
Fredericksburg, VA
Masonry, paving, and stonework across Fredericksburg and the surrounding neighborhoods.
Washington, DC
Masonry, paving, and stonework across Washington and the surrounding neighborhoods.
What we build
Driveway Paving
Asphalt, paver, and concrete driveways across Northern Virginia and DC. Base prep done right, every layer laid the way it should be.
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Brickwork
Brick patios, entryways, steps, facades, and repointing. Traditional technique, materials chosen to match what is already there.
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Retaining Walls
Natural stone and segmental block walls that hold back soil, stop erosion, and add real structure to a yard.
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Foundation Repair
Crack repair, stabilization, and restoration. Early attention to a foundation problem is the cheapest it will ever be.
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Chimney Repair
Repointing, crown and flashing repair, and rebuilds. A damaged chimney is a water problem before it is a fire problem.
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Patio Design
Paver, bluestone, and natural stone patios. Designed around how you actually use the space, set on a base that holds level.
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Stone Veneer
Natural stone veneer for facades, fireplaces, columns, and accent walls — real stone texture without full masonry weight.
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Outdoor Fireplaces
Custom fireplaces and fire pits scaled to the space, with seating walls, storage, and lighting built in where it makes sense.
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