
Moss Removal & Roof Cleaning
Soft wash moss and algae removal built to protect the shingle, not strip it.
Learn about Moss Removal & Roof CleaningA small waterfront city off Yarrow Bay, all single-family lots.
Yarrow Point sits about 3.5 miles northwest of downtown Bellevue, a separate incorporated city on the shore of Yarrow Bay off Lake Washington. It's entirely single-family housing, with a few newer accessory dwelling units tucked onto older lot lines.
Moss, long wet stretches, and shaded slopes shorten roof life more than any single storm ever does.
Every alteration on a house in Yarrow Point adds a hole in the roof. A dormer cut in later, a skylight, a bathroom fan vented up through the deck: each is a joint somebody built by hand, and hand-built joints are what give first.
Proximity to Lake Washington and Yarrow Bay means the exterior takes more punishment. Swollen fascia, failed caulk at the trim, and rot in the sill ends of a soffit all open up paths for water, and none of them start on the roof itself.
The wet season here behaves like the rest of the Eastside, long overcast stretches rather than heavy single storms. Tree cover over these lots keeps moss and lichen a steady concern on shingle and cedar shake roofs alike. Moss doesn't stay cosmetic for long in Bellevue. Left alone through a full wet season, it holds enough water against the shingle to lift edges and shorten the roof's life, and a light problem this year becomes a heavier one next year. Catching it during the dry months, before the rain locks moisture back in, is the cheaper visit.
Local pricing, openly published. The written estimate for your own property always comes before any work is booked.
| Service | Estimated cost |
|---|---|
| Moss Removal & Roof Cleaning | an estimated $400–$1600 |
| Gutter Cleaning & Gutter Guards | an estimated $175–$500 |
| Roof Repair | an estimated $400–$2200 |
| Flat & Low-Slope Roofing | an estimated $9000–$26000 |
Town business runs through Yarrow Point Town Hall, a marker for residents who need the city's own permit contact rather than Bellevue's, since this is a separate municipality with its own limits.
Morningside Park gives this shoreline pocket its patch of public green, wedged between private waterfront lots and the arterial that carries traffic toward the floating bridge corridor.
Sally's Alley is one of the narrow lanes off the main road, the kind of alley-frontage lot where a reroof crew has to plan staging differently than on a standard cul-de-sac.

Soft wash moss and algae removal built to protect the shingle, not strip it.
Learn about Moss Removal & Roof Cleaning
Clear gutters and downspouts, with guard options that cut how often you climb up there.
Learn about Gutter Cleaning & Gutter Guards
Membrane roofing built to shed water, not hold it.
Learn about Flat & Low-Slope RoofingNot automatically. Yarrow Point homes fall under King County's permitting rules rather than Bellevue's, but the same general logic applies regionally: a recover over existing material usually skips a building permit unless it adds significant weight, while a full tear-off needs one once repaired sheathing passes a small threshold. Given how much cedar shake and older composition roofing sits along Yarrow Bay, ask the contractor to confirm which category your job falls into before work starts.
Composition shingle is the dominant covering across this housing stock, with cedar shake showing up on some of the older homes near the water. Metal or low-slope membrane turns up on mid-century flat sections. Clay or concrete tile is rare enough here that it's not worth planning around.
Heavy tree canopy over these lots holds moisture against the shingle longer than open ground would, and moss lift is the recurring issue rather than sun or heat damage. Waterfront exposure and the surrounding greenbelt keep humidity higher on shaded slopes, which shortens the practical life of an older roof.
Check that any contractor is registered with Washington's Department of Labor & Industries, carries an active bond, and holds liability insurance, which you can verify through the state's contractor lookup. We connect Yarrow Point homeowners with licensed pros who already work this drive time from Bellevue and know the local lot layouts.
Some are. Alley frontage on lanes like Sally's Alley and tight lot lines near the water mean staging equipment takes more planning than on a wide arterial lot. Tree cover over the roofline can also limit ladder placement, so crews often need to walk the site before quoting the job.
There is a round-the-clock emergency line covering Yarrow Point, so a call at 2am reaches a person rather than a voicemail. Being a short drive from Bellevue, most standard bookings still land the same day or the next. You get an honest arrival window when you book instead of a vague promise.
Every Bellevue neighborhood carries its own version of the same weather - heavier moss under the conifer cover near Cougar Mountain and Lakemont, more wind exposure along the lake shore near Enatai and Meydenbauer. What matters is how those conditions have treated your specific roof. The licensed pros we connect you with know how local terrain and tree cover show up on a roof, and they will look at yours directly rather than guess from a neighborhood average.
Call (425) 380-0932