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Why Lake Washington & Eastside Homeowners Need Exterior Maintenance Cleaning Twice Per Year

Lake Washington & Eastside Homeowners Need Exterior Cleaning More Often Than Property Owners In Seattle


Husser Pressure Washing At A Mercer Island Estate Listing
Although it isn't needed as often as other services - we also highly recommend Pressure Washing in Summer!

The Eastside is known for its beautiful tree-lined neighborhoods and proximity to nature. But with that beauty comes maintenance challenges. Cities like Kirkland, Bellevue, Mercer Island, Issaquah, Sammamish, Redmond & Woodinville all enjoy cooler temperatures and beautiful greenery year-round due to their heavily forested areas.


But homes in these areas experience heavy moss growth, constant pine needle debris, and skylights that quickly accumulate grime. That’s why Eastside homeowners should schedule a complete exterior service – gutter cleaning, moss prevention treatment, solar panel cleaning and skylight maintenance – at least twice a year.


Why Twice a Year Maintenance is Critical for your roof, gutters and skylights:


Husser Providing Moss Removal, Chemical Treatment, Gutter Cleaning & Skylight Cleaning At A Kirkland, WA Home
A job well done! (We service this property 2x per year to keep it in top shape, despite the dense tree cover).

  • Heavy Pine Needle Accumulation – Evergreen trees shed year-round, leading to clogged gutters and downspouts.

  • Persistent Moss Growth – The Eastside’s damp climate fosters rapid moss buildup on roofs, driveways, and walkways.

  • Skylight Staining & Blocked Natural Light – Pollen, tree sap, and debris quickly cloud skylights, reducing brightness indoors.

  • Solar Panels Lose Efficiency – Solar Panels are a smart and significant investment – but without regular cleaning they lose up to 40% of their capacity!

  • Prevents Water Damage – Regular gutter cleaning ensures rainwater flows away from your home’s foundation.

  • Extends Roof & Skylight Lifespan – Removing moss and debris prevents costly damage and premature replacements.


Why Eastside Homes Are More Prone to These Issues


  • Proximity to Greenbelts & Forested Areas – Neighborhoods like Issaquah Highlands, Bridle Trails, and Cougar Mountain have dense tree cover, creating ideal conditions for moss and debris buildup.

  • Frequent Rain & Humidity – The Eastside gets consistent moisture, fueling rapid moss and algae growth on roofs and skylights.

  • Tall Trees & Limited Sunlight – Shaded areas in Woodinville, Somerset, and Newport Hills prevent surfaces from drying out, increasing moss accumulation.



BEFORE: "Is this even a 'skylight' anymore?"
BEFORE: "Is this even a 'skylight' anymore?"





AFTER: Sparkling perfection!
AFTER: Sparkling perfection!

















While some homeowners try to tackle these tasks themselves, professional cleaning ensures long-lasting results.


Why Do Professionals Get It Right?


  • Proper Equipment for Thorough Cleaning – Experts use efficient techniques and tools to clear gutters, remove moss, and treat surfaces safely.

  • Safe Skylight & Solar Panel Cleaning – Professional cleaners prevent damage and improve energy efficiency, while ensuring maximum natural light enters your home.

  • Eco-Friendly Moss Prevention Treatments – Pros apply safe yet effective treatments to keep moss from returning without harming your landscaping.


How Often Should Eastside Homeowners Schedule Exterior Maintenance?


  • Gutter Cleaning: Twice a Year – Summer and late fall are the best times to clear out debris before heavy rains and winter storms.

  • Moss Prevention Treatment – Every 6 Months – Preventative treatments stop moss before it takes hold. Moss Removal is still needed, but less frequently if chemical treatment is applied at least 2x per year.

  • Skylight & Solar Panel Cleaning – Twice a Year – Regular cleaning ensures maximum natural light and prevents buildup. Summer and late fall are best, but if you choose one, a solar panel cleaning in summertime will yield the strongest benefit. 


The Eastside’s Trusted Exterior Cleaning Experts


Don’t let clogged gutters, moss-covered roofs, underpowered solar panels and dirty skylights take a toll on your home. Husser Window & Gutter Cleaning has been serving Lake Washington & Eastside Homeowners since Kirkland was considered a suburb, and Issaquah Highlands was considered “The Countryside.”


Contact us today for a free quote and keep your valuable home in top shape year-round!



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2321 N 149th St

Seattle, WA 98133

Tel: 206-527-2860

Opening Hours: 9am - 5pm

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