Exterior Cleaning in Vienna, Virginia

Because they're one connected system, not three unrelated chores. Overflowing gutters stain siding and drip onto walkways below, and algae that grows on a shaded roofline migrates to the surfaces underneath it. Cleaning them together in one visit means we address the source of staining, not just the symptom, and it's more efficient than three separate service calls.

Not with the right method. We use low-pressure softwashing on siding, brick, and painted trim, since high pressure can drive water behind siding or erode aging mortar joints common in Vienna's older colonials. Hardscape surfaces like concrete, pavers, and stone can typically handle higher pressure, so we adjust technique and PSI by surface, not a one-size-fits-all setting.

Most homes here benefit from service twice a year: once in spring after pollen season coats everything in a yellow-green film, and once in fall after leaf drop fills gutters and streaks walkways. Properties under heavy tree cover in neighborhoods like Wolf Trap or Vienna Woods sometimes need an interim gutter check to stay ahead of clogging between full services.

The black streaks on siding are typically a form of algae (Gloeocapsa magma) that feeds on the limestone filler in asphalt shingles and washes down onto walls. The green film on walkways and patios is usually algae or moss thriving in the shade and moisture that Vienna's tree canopy creates. Both are organic growth, not dirt, which is why standard rinsing doesn't remove them and proper softwash or surface cleaning solutions do.

We work throughout Vienna and Fairfax County, from the historic district and Ayr Hill to Wolf Trap, Tysons Green, Oakton, and Dunn Loring. If your property is in or near Vienna, call (703) 650-5655 and we'll confirm the service area for your address. Our crews work Vienna regularly, so scheduling is usually available within the week outside the spring rush — and every visit ends with before-and-after photos of the finished work.

Sufian founded Lawn Theory after eight years in the U.S. military, including a deployment during Operation Iraqi Freedom, and he runs every job with the same standard: inspect the full system, not just the surface in front of you. We check gutters when we quote a house wash and account for runoff when we clean hardscape, because treating a house as connected surfaces produces results that last, not just a clean look on the day we leave.

Anything outside the walls of the house: house washing, roof cleaning, driveways and walkways, decks and fences, patios, gutters, and windows — each cleaned with the method its surface requires, and bundled visits are priced lower per surface. Serving Vienna and all of Fairfax County.