Exterior Cleaning Services
Soft Wash & Pressure Washing | Germantown & Montgomery County, MD
Willnez Home Improvement LLC delivers professional soft washing and pressure washing services across Germantown, Gaithersburg, Clarksburg, North Potomac, Rockville, and Damascus. Our MHIC-licensed technicians use ARMA-approved soft wash methods and EPA-registered, plant-safe cleaning solutions — restoring your home's curb appeal without damaging siding, shingles, or landscaping.
Willnez Home Improvement LLC provides professional soft wash and pressure washing in Germantown, MD. We clean house exteriors, roofs, driveways, decks, and fences using biodegradable, plant-safe solutions compliant with Montgomery County environmental standards. 1-story house wash starts at $150. Roof soft washing from $450. MHIC licensed. Serving all of Montgomery County.
PROFESSIONAL EXTERIOR CLEANING IN GERMANTOWN, MARYLAND
Maryland's humid climate creates the perfect conditions for rapid algae, mildew, mold, and oxidation buildup on home exteriors. In wooded neighborhoods like Germantown, Clarksburg, and North Potomac — where oak, maple, and pine trees shade homes year-round — organic growth on siding and roofing can accelerate dramatically, causing premature deterioration and reducing curb appeal and property value.
Willnez uses two distinct methods matched to each surface. Our low-pressure soft wash system (under 500 PSI) combines an ARMA-approved sodium hypochlorite (SH) solution with biodegradable surfactants to safely sanitize and clean siding, roofs, stucco, and painted surfaces — killing algae at the root, not just blasting it off temporarily. Our commercial-grade pressure washing (2,000–4,000 PSI) removes tough stains, oil, and embedded grime from concrete, brick, and stone.
As an MHIC-licensed contractor serving Germantown, Gaithersburg, Rockville, Damascus, and surrounding Montgomery County communities, we bring the equipment, expertise, and proper chemical handling certifications that protect your home, your landscaping, and local waterways.
SOFT WASH VS. PRESSURE WASHING
Using the wrong method on the wrong surface causes damage. Here's exactly what we use — and why.
SOFT WASHING
Under 500 PSI + SH Solution
- Vinyl, wood & painted siding
- Asphalt shingles & roofing (ARMA-approved)
- Stucco & EIFS finishes
- Painted trim & shutters
- Wood & composite decks
- Kills algae at the root — lasts 4–6x longer
PRESSURE WASHING
2,000–4,000 PSI
- Concrete driveways & walkways
- Brick, stone & pavers
- Retaining walls
- Concrete patios & pool decks
- Removes oil, tire marks & embedded stains
- Hot-water option for grease & degreasing
EXTERIOR CLEANING SERVICES WE OFFER
Every surface. Every job. Serving Germantown, Gaithersburg, North Potomac, and all of Montgomery County, MD.
House Soft Washing
Vinyl, brick, stucco & painted siding
Remove years of algae, mildew, mold, and oxidation from your entire home exterior using our low-pressure SH soft wash system. Safe on all siding types.
Driveway & Walkways
Concrete, pavers, brick & asphalt
Power wash oil stains, tire marks, mold, and discoloration from driveways and walkways using commercial hot-water equipment and degreasing solutions.
Roof Soft Washing
Asphalt shingles & flat roofing
Safely eliminate black algae streaks (Gloeocapsa magma) from shingles using ARMA-approved soft wash technique. Preserves warranty — never high-pressure.
Deck & Patio Cleaning
Wood, composite & concrete
Revitalize weathered wood decks, composite boards, and concrete patios. Removes mold, algae, and discoloration — ideal prep before sealing or staining.
Fence Washing
Wood, vinyl & aluminum fencing
Clean mold, algae, and weathering from wooden, vinyl, and aluminum fences. Extends fence life and restores original color without stripping or damaging material.
Commercial Exterior Cleaning
Storefronts, offices & HOA communities
Professional pressure washing and soft wash services for commercial properties, HOA communities, and retail storefronts throughout Montgomery County, MD.
2025 EXTERIOR CLEANING COST ESTIMATES
Typical pricing ranges for Germantown & Montgomery County, MD. Final quotes depend on home size, surface condition, and service combination. Bundle discounts available.
| SERVICE | PRICE RANGE |
|---|---|
| House Washing — 1-Story (up to 1,500 sq ft) | $150 – $750 |
| House Washing — 2-Story (1,500–3,000 sq ft) | $400 – $1,400 |
| House Washing — 3-Story (3,000+ sq ft) | $700 – $1,800 |
| Driveway & Walkway Pressure Washing | $100 – $350 |
| Roof Soft Washing (asphalt shingles) | $450 – $800 |
| Deck / Patio Cleaning | $100 – $350 |
| Fence Washing | $80 – $250 |
| Bundle: House + Driveway + Deck | $500 – $1,800 |
* $100–$150 minimum service fee applies. Bundle discounts of 10–20% available. Free no-obligation estimates — call (301) 555-0199.
WHY CHOOSE WILLNEZ FOR EXTERIOR CLEANING IN MONTGOMERY COUNTY
MHIC Licensed & Insured
Fully licensed under Maryland Home Improvement Commission (MHIC) with full liability coverage. Your property is protected on every job.
Eco-Friendly SH Solutions
EPA-registered, biodegradable cleaning agents compliant with Montgomery County environmental standards. We pre-rinse and post-rinse all landscaping.
ARMA-Approved Roof Method
We follow Asphalt Roofing Manufacturers Association (ARMA) soft wash guidelines — protecting your shingle warranty while eliminating black algae.
500+ Montgomery County Homes
Proven track record cleaning homes across Germantown, Gaithersburg, Clarksburg, North Potomac, Rockville, and Damascus since 2018.
Transparent Bundle Pricing
Upfront estimates with no hidden fees. Save 10–20% by bundling services — house wash + driveway + deck packages available for one visit.
Same-Week Scheduling
Fast turnaround with most jobs scheduled within the same week. We arrive on time, clean up after ourselves, and deliver results — guaranteed.
SERVICE AREA — MONTGOMERY COUNTY, MD
We serve homeowners throughout Montgomery County with professional exterior cleaning services.
OUR WORK — GERMANTOWN & MONTGOMERY COUNTY
Driveway Pressure Wash — Germantown
Roof Soft Wash — Clarksburg
Deck Restoration — North Potomac
House Soft Wash — Gaithersburg
FREQUENTLY ASKED QUESTIONS
Everything homeowners in Germantown & Montgomery County ask about exterior cleaning.
Soft washing uses low-pressure water (under 500 PSI) combined with a biodegradable sodium hypochlorite (SH) solution to safely sanitize and clean delicate surfaces like vinyl siding, painted wood, stucco, and asphalt shingles. Pressure washing uses high-pressure water (2,000–4,000 PSI) to blast away dirt and stains from hard surfaces like concrete, brick, and pavers. Using high pressure on siding or roofing can cause serious damage — Willnez uses the correct method for every surface.
GET A FREE EXTERIOR CLEANING ESTIMATE
Serving Germantown, MD and all of Montgomery County. No obligation — fast response.