One elevation weathered by wind-driven rain, the opposite one green with algae. Power washing in Mount Airy, MD handles all of it in one visit. Maryland Window Wizards works out of Finksburg, and the crew that earned our 139+ five-star reviews for window cleaning is the same crew that shows up to wash your house.
We do house washing, soft washing, pressure washing and roof washing throughout Mount Airy and both Carroll and Frederick County. Call or text 443-541-7009, or request a free quote below.

Mount Airy sits high, and elevation changes the wear pattern on a house. The weather side takes wind-driven rain year round, so it weathers and picks up staining faster than anything else on the property. The sheltered side gets the opposite problem — no wind, no drying, and a steady green film that spreads.
The town also straddles a county line, which trips some contractors up. Half of Mount Airy is Carroll County and half is Frederick, and plenty of homes sit right on the boundary. It makes no difference to us — we cover both sides and there is no travel charge either way.
They are two different jobs, and using the wrong one is how siding gets wrecked. Pressure washing uses force and belongs on hard surfaces — concrete, brick and pavers. Soft washing uses very low pressure plus a cleaning solution that kills mold, mildew and algae at the root, and that is what belongs on siding, stucco and roofs.
The green-black film on the shaded side of a house is organic growth, not dirt. Blast it with pressure and you knock off the surface, drive water behind the siding, and it grows back within months because the roots survived. Soft washing removes it properly and it stays gone far longer. On asphalt shingles, pressure washing strips the granules and can void the roof warranty outright, so a roof only ever gets soft washed.
Book a house wash with us and you get soft washing on the siding with appropriate pressure on the concrete, decided surface by surface. Knowing which is which is our job, not yours.
Local. Mount Airy is a straight run west from our Finksburg shop. We are not a franchise driving out for the day.
139+ five-star reviews. A straight 5.0 across every job, window cleaning and exterior washing alike.
Insured, and careful with your property. We protect plantings, close up before we start and rinse everything down at the end. No dead shrubs, no soap film left on the glass.
One crew for the whole exterior. Plenty of Mount Airy customers have us wash the house and clean the windows in Mount Airy on the same visit — cheaper than two companies and done in one morning.
Most Mount Airy homes run $300 to $600 depending on size and how exposed the property is. Driveways usually run $150 to $300. Send a photo or your address and we will text you an exact price — no site visit needed in most cases.
It can. High pressure cracks vinyl, forces water behind panels and strips paint, which is why we soft wash siding instead. Low pressure and the right solution cleans better and does no harm.
Yes. Mount Airy sits across the Carroll and Frederick line and we serve both sides of it, along with the surrounding area. No travel surcharge for being on one side rather than the other.
Every one to two years for most homes. Maryland humidity feeds mold and algae, and the sheltered elevation on an exposed Mount Airy hilltop never really dries out. If you can see green on the siding, it is time.
Yes. Those streaks are roof algae and they respond to soft washing. We never put a pressure washer on shingles — it strips the protective granules and can void the manufacturer warranty.
Tell us what needs cleaning and we will text you a price, usually the same day. Prefer to talk? Call or text 443-541-7009. You can also see our full power washing and house washing services.
Tell us what you need and we will text you a price. Most quotes go out the same day.
Prefer to talk? Call or text 443-541-7009
ryan@marylandwindowwizards.com