Expert Roof Cleaning Services in Long Island and Suffolk County, NY

Trusted Roof Cleaning That Protects Your Home and Enhances Curb Appeal

Roof Cleaning Long Island & Suffolk County NY

Algae and moss can look unsightly, actively damage your roof, and rob years from its lifespan. That’s where Platinum Power Washing comes in. Since 2017, we’ve delivered trusted roof cleaning services in Long Island and Suffolk County, using a gentle soft wash method that works well for shingles, cedar shakes, and slate.

We follow ARMA- and manufacturer-approved asphalt roof cleaning methods, never using high pressure that voids warranties. This approach effectively kills algae, moss, and lichen without structural harm. Services include debris removal before treatment to ensure optimal application and results. 

Full visual improvement typically takes one to three months, depending on factors such as sun exposure, rainfall, and roof conditions. If moss persists after 60 to 90 days, we provide free follow-up treatments. Bank on us to protect all plantings, siding, windows, and outdoor features. We also pre-and post-rinse landscaping to eliminate overspray risk. 

Clear Pricing and
Roof Cleaning Cost Factors

The cost of expert soft wash roof cleaning in Long Island, NY, depends on specific project needs.

Roof Cleaning Pricing Breakdown

  • Minimum Service Fee: $500
  • Typical Range: $500 to $2,000
  • High-End Jobs: $2,500+ for steep pitches, large square footage, or heavy infestation

Several factors influence the final cost of roof cleaning services in Long Island and Suffolk County:

  • Roof type
  • Roof size and pitch
  • Accessibility issues
  • Drainage considerations

Cleaning the roof of a 2,500- to 3,000-square-foot home with moderate moss buildup typically costs $1,500 to $2,000. Steep, heavily infested roofs can exceed $2,500.

Special Offers and Discounts

Our current offers include:

Roof Types and Materials
We Clean Safely in Suffolk County

Our roof cleaning services in Suffolk County cover: 

Asphalt Shingles

Asphalt Shingles

We apply a soft wash solution containing 3–6% sodium hypochlorite and professional surfactants for guaranteed moss and algae removal from shingles. The solution is never rinsed to kill algae and moss naturally over time. Algae and streaks typically fade within 30 to 90 days. This method causes zero damage to shingles and poses no risk to your warranty.

Cedar Shake Roofs

Cedar Shake Roofs

For cedar, we apply a soft wash solution followed by thorough rinsing. Our professional cedar and slate roof restoration process includes a wood brightener after cleaning to restore color and nourish wood fibers. Extra care prevents drying or discoloration. This process requires more labor and, therefore, costs more.

Slate Roofs

Slate Roofs

We use a higher concentration sodium hypochlorite solution with tight overspray control and refined application techniques for slate. Applications occur from ladders or rooflines using refined techniques, never from ground level. We use only soft wash methods to ensure structural safety.

Why Choose Platinum Power Washing
for Roof Cleaning in Long Island?

Our roof cleaning services in Long Island and Suffolk County focus on transparency, safety, and results.

No Payment Until You're 100% Satisfied

We collect payment only after you confirm satisfaction. No upfront deposit is ever required.

Free Second Treatment if Moss Remains

If moss hasn't detached within 60 to 90 days, we include a second treatment at no extra charge.

Manufacturer-Approved Cleaning Methods

We adhere to ARMA guidelines and roof manufacturer instructions. We never use high-pressure equipment on roofing materials.

Pre-Cleaning Debris Removal Included

We blow off sticks, leaves, and moss before chemical application to ensure maximum surface exposure.

Gutter and Drainage System Management

We bag or divert downspouts to prevent runoff into landscape beds or underground drainage systems.

Real-Time Roof Issue Detection

Our technicians perform visual inspections before cleaning, then document and report any damage or concerns with photo updates.

Fully Insured and Locally Established

In business since 2017, we operate out of a local warehouse and come equipped with truck-mounted, commercial-grade systems.

Book Your Free Roof Cleaning Estimate in Long Island and Suffolk County Today!

Our Proven Step-by-Step
Roof Cleaning Process

Here’s why our roof cleaning services in Long Island and Suffolk County never disappoint:

In-Person Estimate and Roof Evaluation

We provide a free custom on-site quote after our technicians assess your roof material, pitch, infestation type, and drainage condition.
1

Roof Preparation and Site Protection

Before treatment begins, we remove all debris and tape off electrical outlets. We also bag gutter systems, pre-wet plants, and cover sensitive areas.
2

Chemical Application via Soft Wash System

Our technicians apply a 3–6% sodium hypochlorite plus surfactant blend from a ladder or roof, depending on the pitch and structure. The ground crew manages runoff, landscaping, and overspray protection.
3

Dwell Time, Rinsing, and Brightening

We let the solution dwell on asphalt shingles but rinse it off cedar shake roofs and apply a wood brightener. Results typically appear gradually over a period of one to three months.
4

Post-Treatment Inspection and Follow-Up

We perform a final rinse of landscaping and hardscape, then provide either a photo update or a walkthrough at 60 to 90 days. Expect free retreatment if moss persists.
5

100% Satisfaction Guarantee
We Don't Get Paid Until You're Happy

See Our Roof Cleaning Transformation

Before After

What Our Customers Are Saying

Sean Roche
20 hours ago
Christmas lights 🎄 made easy. They have an amazing solution for those who live a busy life especially during the holiday seasons. For the past 3 years they have designed, supplied, installed, and taken down my home’s Christmas lighting with no effort on my end other than approving the design. Highly recommended
Response from the owner:Thanks so much, Sean! Three years of stress-free holiday lighting is exactly what we love to hear. We're glad we can take that off your plate every season, and we look forward to doing it again this year!
Shinetek Auto Spa
23 hours ago
Always a pleasure to do business with PPW. We have used them for power washing, soft washing vinyl fencing and Christmas light installation services. 10/10. ⭐️ ⭐️ ⭐️ ⭐️ ⭐️
Response from the owner:Thank you so much! It's always great working with you all too. We're glad the power washing, soft washing, and Christmas lights have all been a good experience. We look forward to many more!
Don Chaffin
2 weeks ago
We recently bought a house that was neglected for some time. Brick facade, vinyl siding, pvc fence, all needed help. Got a quote from another company and came back very high and just assumed we’d have to put it off till next year. Gave Kirk a call and he came out same day for a quote that came in easily within our budget. Super professional, amazing work, and reasonably priced. What more could you ask for.
Response from the owner:Don, what a project to take on with a newly bought home! We're really glad we could make it work within your budget and get the brick, siding, and fence looking like they should. Welcome to the neighborhood, and thanks for giving us a call!
Susan Richter
2 weeks ago
I was very happy with this company- my house looks great. They even did my grandkids plastic climbing toy. Easy to schedule, came on time and good pricing. I would definitely recommend. I will use again.
Response from the owner:Susan, thank you so much! We're glad the house turned out great, and we loved taking care of that climbing toy for the grandkids. It was a pleasure working with you, and we look forward to coming back!
Jessica Roussell
3 weeks ago
They are the best in town! I 100% recommend to anyone looking! I was so amazed to see how clean my house and walkway looked after it was done. Not to mention my gutters were cleaned out & are working better than ever! Quick clean and efficient 10/10
Response from the owner:Jessica, thank you so much! It's great to hear the house, walkway, and gutters all came out looking their best. We're glad we could make such a noticeable difference and we'd love to work with you again!
Megan Stapf
1 month ago
We purchased our new home knowing it needed some TLC power washing the siding and roof made such a difference ! Home looks brand new again and now we can focus on the other things we want to do to the home. Kirk and his team were careful removed my plants during the process to keep them protected and truly treated my home like his own and got all the green spots out of siding and fences. So happy we got this done highly recommend platinum power washing for a stress free experience !
Response from the owner:Megan, congrats on the new home! It's great to hear the siding, roof, and fences came out looking fresh. Our team takes real pride in treating every property with care, and we're so glad it felt that way. Wishing you all the best as you settle in!
frances tanzella
1 month ago
Kirk from Platinum power washing treated the house , the stairs to the sunroom, the pavers in the back, as well as the patio . Everything looked phenomenal on completion. This is an excellent company and I would highly recommend them,.
Response from the owner:Thanks so much, Frances! We're really glad our team could take care of everything, from the stairs and pavers to the patio. It means a lot to hear it all came out looking phenomenal. We'd love to work with you again!
phil s
2 months ago
Great guys, very professional and honest, will be using them again.
Response from the owner:Thanks Phil! We're glad you had a great experience, and we look forward to working with you again.
Jason Felser
3 months ago
I have been a client of Joe for several years. He is professional and really pays attention to details. Most importantly he treats your house and property like it is his own. Thank You!!!!
Response from the owner:Thanks so much, Jason! We really appreciate your loyalty over the years. Taking care of your home the right way matters to us, and it's great to hear that comes through. We look forward to many more years working together!
Barbara Rung
4 months ago
We had our pool patio pavers power washed, sanded and sealed. I absolutely love it! Highly recommend Platinum Power Washing.
Response from the owner:Thank you, Barbara! We're so glad you love how the pavers turned out. It's always great to hear when the whole process, wash, sand, and seal, comes together just right. We appreciate the recommendation!

Frequently Asked Questions

Yes, roof cleaning is often a smart first step before considering a costly roof replacement. If your roof has black streaks, moss, or algae, a professional soft wash may fully restore its appearance and function. If we determine the roof is beyond cleaning, we’ll let you know before proceeding.

If your roof is structurally sound but looks dirty or streaked, roof cleaning is usually the right choice. We assess the condition during your free estimate and will honestly tell you if cleaning won’t help. Many roofs that appear aged just need professional treatment to look new again.

Our roof cleaning service targets organic growth such as algae, moss, and lichen—not rust or inorganic stains. Rust removal requires a different chemical process, which is not part of the standard roof cleaning treatment. We’re happy to evaluate specific stains during your estimate.

Just make sure all windows are closed, pets are inside, and valuables are moved away from the exterior of the home. We’ll handle all on-site prep, including taping outlets, pre-wetting plants, and covering sensitive areas. You do not need to be home during the service.

Avoid disturbing the roof surface or trying to rinse it yourself—let the soft wash work over time. Don’t walk on the roof or clean the gutters until at least a few weeks have passed. If moss remains after 60–90 days, we’ll schedule a free retreatment.

We don’t perform roof cleaning in the rain or if rain is imminent. For best results, the roof needs time to absorb the cleaning solution without immediate wash-off. If weather becomes an issue, we’ll reschedule your appointment at no extra cost.

No, gutter cleaning is not required beforehand. We bag or block downspouts during service to prevent runoff into your drainage system, whether the gutters are clean or not. If your gutters are significantly clogged, we may recommend cleaning them afterward.

Spring through early fall is ideal for roof cleaning in Long Island. Warmer temperatures and more sunlight help activate the soft wash treatment and speed up the results. Avoid late fall and winter, when colder weather can limit effectiveness.

Your Roof Deserves the Best
Book Your Soft Wash Today

Experience superior roof cleaning services in Long Island and Suffolk County with Platinum Power Washing. Call (631) 603-2160 or request your quote online for environmentally safe soft washing from a fully insured local business you can trust. Your satisfaction is guaranteed.