Professional Roof & Exterior Cleaning in Sammamish & Bellevue, WA

At New Generation Cleans, we restore the beauty and longevity of your home's exterior, one surface at a time. Proudly serving Sammamish, Bellevue, and surrounding King County areas, we specialize in professional roof cleaning, moss removal, pressure washing, and exterior restoration services.

Before and After

Our Top Services

Roof Replacement

Protect Your Home with a New Roof Built to Last

  • Full Roof Tear-Offs & Installation: We completely remove your old, deteriorated roofing materials and conduct thorough structural inspections to identify hidden damage, water intrusion, or compromised decking before installation begins.

  • Premium Roofing Materials for Washington Homes: Choose from high-performance architectural shingles, durable metal roofing, or composite materials engineered to withstand the Pacific Northwest's heavy rain, wind, and moss growth.

  • Complete Cleanup & Debris Removal: Your property is left spotless with professional-grade cleanup, including magnetic sweeps for nails, proper disposal of all materials, and site restoration.

Roof Repair

Expert Roof Repair Services – Bothell & Olympia Roofers

  • Emergency Leak Detection & Repair: Using advanced diagnostic techniques, we pinpoint the exact source of roof leaks and provide immediate patching with high-quality sealants to prevent interior water damage, mold growth, and structural deterioration.

  • Flashing & Vent Repair Specialists: We repair or replace defective flashing around chimneys, skylights, dormers, and roof vents—the most common sources of water intrusion.

  • Storm Damage Assessment: After severe weather, we provide free inspections to assess wind damage, missing shingles, and structural concerns.

Exterior Pressure Washing

House Washing & Exterior Pressure Washing Services – Bothell & Olympia

  • Soft Wash House Washing: Our soft wash technique safely removes dirt, mold, mildew, pollen, and oxidation from vinyl siding, stucco, brick, and painted surfaces without damaging delicate materials.

  • Concrete & Driveway Pressure Washing: High-pressure cleaning eliminates oil stains, tire marks, moss, and years of buildup from concrete driveways, garage floors, walkways, and entryways. Create an impressive first impression with clean, bright concrete surfaces.

  • Deck & Fence Cleaning: Restore weathered wood and composite decks, fences, and pergolas. Our cleaning process prepares surfaces for staining or sealing, protecting your investment from moisture damage and UV degradation.

Roof Cleaning

Professional Soft Wash Roof Cleaning – Remove Moss & Algae Safely

  • Soft Wash Roof Cleaning Technology – Unlike high-pressure washing that can damage shingles and void warranties, our soft wash system uses low-pressure application with professional-grade, eco-friendly cleaning solutions.

  • Moss & Algae Removal for Washington Roofs – The Pacific Northwest's humid climate creates ideal conditions for moss and algae growth.

  • Gutter Cleaning Add-On Service– Ensure complete water drainage with our gutter clearing service. Clean gutters prevent water backup, ice dams, and foundation damage—essential for Western Washington homes.

Why Choose us?

Why Bothell & Olympia Homeowners Choose New Generation Cleans

  • Locally Owned & Operated in Washington: We’re your neighbors, proudly caring for homes in Bothell, Olympia & beyond.

  • Licensed, Insured & Experienced Professionals: Our trained technicians use safe soft wash and pressure wash methods. Fully insured with workers’ comp for your total peace of mind.

  • Eco-Friendly Cleaning Solutions: We use biodegradable, plant-safe products that remove moss, algae, and mold without harming pets or landscaping. All our solutions are safe near storm drains.

FAQs

How often should I have my roof cleaned in Washington State?

Every 2-3 years for Bothell & Olympia homes. Our wet climate causes moss growth. Annual cleaning recommended for shaded roofs. Extends roof life 5-10 years.

What's the difference between soft wash and pressure washing?

Soft wash uses low pressure + eco cleaners for roofs & siding. Pressure washing uses high pressure for concrete & driveways. We use both methods safely.

How much does roof cleaning cost in Bothell and Olympia?

$300-$800 for most homes. Average 2,000 sq ft home: $400-$550. Free estimates in Bothell, Olympia, Sammamish & Bellevue. No hidden fees. Call today!

Is professional roof cleaning worth it, or can I do it myself?

Yes! DIY roof cleaning is dangerous & can damage shingles or void warranties. Professional soft wash is safer, more effective & extends roof lifespan affordably.

Service Area: Sammamish, Bellevue and All surrounding areas

Working Hours

Monday - Friday: 7am - 7pm

Saturday: 7am - 5pm