Roof Cleaning in Marysville, WA — Moss Removal & Soft Wash Service
Roof cleaning in Marysville, WA — local moss and algae problems, our low-pressure soft wash process, 2026 pricing, and how to book. Licensed, insured, 4.9-star rated.
We clean roofs all over Marysville — from the older neighborhoods around State Ave and the waterfront up through Sunnyside, Kellogg Marsh and the newer plats out toward Lake Stevens Road. It’s a short drive from our home base, and Marysville roofs have the same wet-climate problems we deal with every day.
Common roof problems in Marysville
Algae streaking on the drier lots. The more open subdivisions get a lot of black Gloeocapsa algae staining down the slopes — cosmetic at first, but it spreads every wet season and the stain sets in.
Heavy moss near the sloughs and tree cover. Homes near Ebey and Allen Creek, and anywhere with mature firs and maples, grow thick moss cushions in the valleys and on the north slopes.
Needle load on north-county lots. Douglas fir and cedar drop year-round here. That debris traps moisture on the shingles and feeds regrowth fast.
Aging shingle roofs. A lot of Marysville’s housing stock is on its first shingle layer nearing 20+ years — the age where moss does the most harm to the shingle life that’s left.
Our roof cleaning process
- Inspect the roof and gutters before quoting — pitch, shingle condition, moss severity.
- Protect landscaping — pre-wet and cover.
- Treat with our in-house roof solution at low pressure; let it dwell to kill moss, algae and lichen at the root.
- Rinse fully and gently.
- Clear loosened debris off the roof and out of the gutters.
It’s a soft wash, never a pressure wash — done to ARMA and shingle-manufacturer guidelines so your warranty stays intact. Full details on our roof cleaning service page, and the method explained in soft wash vs pressure wash for your roof.
2026 pricing
| Home | Typical price |
|---|---|
| Single-story, ~1,000–1,500 sq ft roof | $299 – $500 |
| Single-story larger / cut-up roofline | $450 – $700 |
| Two-story, ~2,000–3,000 sq ft roof | $650 – $950 |
| Steep-pitch or heavy moss, 3,000+ sq ft | $950 – $1,300 |
Bundle a gutter cleaning or house wash and it’s cheaper per service. Our roof cleaning cost guide breaks down what moves the number.
How to book
Call or text (425) 446-0547, or send a few photos through the quote form. I’ll get you a firm price, usually same day. We’re licensed and insured in Washington (registration #OLSONLP747MF) and 4.9-star rated — reviews are here.
Frequently asked questions
Do you service all of Marysville? Yes — plus Lake Stevens, Everett, Arlington, Snohomish, Bothell and Kenmore. Full list on our service area page.
How long does it take? Two to four hours for most homes, one visit. Heavy moss jobs may need a short return as the dead growth releases.
How often should a Marysville roof be cleaned? Every 2–3 years; sooner on shaded, tree-covered lots. More here.
Is it safe for my plants and pets? Yes, done correctly — pre-wet, rinsed, runoff controlled per Department of Ecology guidance. Keep pets off until dry.
Get your Marysville roof quote
(425) 446-0547 or request a quote online.
