Moss is the single biggest threat to Shoreline roofs. Our coastal moisture and dense canopy let it spread quickly, lifting shingles and trapping water against the roof deck. Our moss removal treats the growth at its root rather than scraping it off and leaving it to return.
We focus on shaded north slopes and tree covered lots near Boeing Creek and Innis Arden, where moss takes hold fastest, and we remove it in a way that protects the shingles underneath.

We treat the heaviest growth on shaded north facing Shoreline slopes first.
We avoid scraping that tears granules and shortens the life of your roof.
Killing moss at the root means longer lasting, cleaner results.
Proudly serving Shoreline, Lake Forest Park, Kenmore, Edmonds, Mountlake Terrace and Bothell for 12+ years.
From soft wash moss removal to preventative treatments and gutter care, our services are built around one goal: keeping Shoreline roofs healthy in a climate that constantly works against them. Explore what we offer below.

Beyond Shoreline, we bring soft wash roof cleaning and moss removal to neighboring communities that share the same coastal moisture and heavy tree canopy. Whether your roof is shaded by tall conifers or sits in an open lot, our methods are built for the way moss grows across this region.
Frequently Asked Questions
Roof Cleaning can be complex, and we’re here to provide answers to common questions. Here are some frequently asked questions from our clients.
In Shoreline's coastal Pacific Northwest climate, most asphalt shingle roofs need a soft wash moss treatment every 12 to 18 months. Tree-shaded properties near Boeing Creek and Innis Arden hold moisture longer and may need attention sooner.
Yes. Moss lifts and curls asphalt shingles as it spreads under them, trapping moisture against the roof deck. Left untreated through Shoreline's wet winters, it shortens roof life and can lead to leaks and premature replacement.
We do not pressure wash asphalt shingle roofs. High PSI strips protective granules and voids most manufacturer warranties. We use a low pressure soft wash method that kills moss at the root without damaging the shingle surface.
Pricing depends on roof size, pitch, moss severity, and canopy coverage. We provide a clear written quote after assessing your property, so Richmond Beach and Ridgecrest homeowners know the full cost before any work begins.
No. We protect landscaping and rinse surrounding areas as needed. Our soft wash solutions break down moss safely, and we take care around gutters and downspouts that drain toward Shoreline's mature plantings.
With a proper soft wash and a preventative treatment, most Shoreline roofs stay clear for 18 months or longer. Adding zinc strips slows regrowth further, especially on north facing slopes shaded by tall conifers.
Shoreline's coastal fog, heavy tree canopy, and damp winters create ideal moss conditions. North facing slopes near Richmond Beach and Boeing Creek stay shaded and moist, letting moss take hold fast.
Scraping damages shingles and leaves roots behind that regrow quickly. Professional moss removal treats the root system and clears growth safely without harming the Shoreline roof surface.
Not with our method. We avoid scraping and pressure washing, using a soft wash approach that lifts moss without tearing granules off your Shoreline shingles.
The sooner the better. Moss spreads under shingles and traps moisture, so treating it early protects Shoreline roofs from the rot and lifting that lead to leaks.
Remove Your Roof Moss Before It Spreads
We pride ourselves on delivering great results and experiences for each client. Hear directly from home and business owners who’ve trusted us with their Roof Cleaning needs.
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17534 Stone Ave N, Shoreline, WA 98133
Mon–Fri: 8 AM–6 PM Sat: 9 AM–3 PM Sun: Closed