✓Roof CleaningLow-pressure soft washing for moss, algae, stains, and black streaks.
Serving Seattle and all of King County
Roof Moss Treatment in SeattlePrice Your Jobin 30 Seconds
Treat unwanted roof moss and slow its return. Answer a few quick questions and see your real price range before you call.
Free instant quote
See Your Roof Moss Treatment Price in 30 Seconds
What services are you interested in? Check all that apply.
Six services, one clear starting point
Give every exterior surface the attention it needs.
Choose one service or bundle several together. Get an online ballpark where pricing is available, or send a simple custom quote request.
✓Roof Cleaning
✓House WashingA gentle soft wash for algae, mold, dirt, and organic buildup on the home exterior.
✓Pressure WashingDriveways, walkways, patios, and durable hard surfaces cleaned with professional equipment.
✓Fence & Deck CleaningA surface-appropriate clean for outdoor wood and other fence or deck materials.
✓Gutter CleaningSeasonal dirt and debris removal that helps rainwater move through the system.
✓Window CleaningExterior or inside-and-out cleaning for a clearer view.
How it works
From dirty to done in three simple steps.
01About 30 seconds
Price your job online
Answer a few quick questions about the services you need. No phone call or site visit is required to start.
02Instant
See your ballpark price
Your range appears immediately and reflects the services and home size you selected.
03On your schedule
Confirm the work
If the range works for you, the team verifies the scope and schedules a convenient service date.
A faster way to get started
Getting a quote should not feel like a part-time job.
Answer the questions that affect the work, see a useful range, and decide whether you want to move forward.
The old way
Days of chasing down a quote
- Submit a form and wait for a callback
- Schedule a visit before seeing a number
- Repeat the same details by phone
- Wait again for a written estimate
The NW ProKleen way
See your range before the phone rings
- Answer a few quick questions online
- See your ballpark range on screen
- Bundle multiple exterior services
- Confirm the scope before work begins
Built for Seattle and King County
Seattle properties deal with rain, shade, moss, algae, and year-round organic buildup.
The sooner exterior buildup is handled, the easier it is to protect surfaces and keep the job manageable.
Price my job now →Professional results
See the difference a professional clean makes.
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Trusted by local homeowners.
★★★★★“Excellent service at a fair price. The results exceeded my high expectations!”
JP
★★★★★“Gutter cleaned and blew leaves off roof. Cleaned around the house. Great job!”
Laura Wall
★★★★★“Prompt response, professional service and great quality work at a decent price. Nice job and will work with NW Prokleen again”
Steve Elsoe
Questions, answered
What to know about roof moss treatment.
Get a fast online ballpark, then NW ProKleen confirms the right treatment for your roof.
Is moss treatment different from roof cleaning?
Moss treatment targets the organic growth on your roof and helps slow its return. This calculator uses the same roof pricing so you can get a useful ballpark without extra questions.
Is roof moss treatment safe?
A roof-appropriate, low-pressure process is selected after the team confirms the right approach for your roof.
How long does a moss treatment last?
Results vary with rain, shade, moss, algae, and year-round organic buildup, surrounding trees, and roof conditions. The team can recommend follow-up timing after reviewing your property.
Can I review licensing and insurance before booking?
Contact NW ProKleen to confirm current licensing and insurance details before service is scheduled.
Do I need to be home for the on-site estimate?
In most cases, the team can verify your online quote and arrange service without requiring you to take time off. Any property-specific access needs will be confirmed in advance.
How do I get a quote?
Answer a few quick questions online and see your ballpark price immediately. No phone call or site visit is required to get started.
Can I save by combining services?
Yes. NW ProKleen's current multi-service offer saves $100 when eligible exterior services are booked together. The team confirms eligibility with your final scope.
Ready when you are
Moss in Seattle and King County keeps growing while you wait.
See your roof moss treatment ballpark now, then add any other exterior services you want handled in the same visit.
See my price range →NW ProKleen reviews the property details and confirms the exact scope before work begins.