Professional house washing, roof soft washing, driveway cleaning, and more.
Serving Oakdale, Sayville, Bohemia, and all of Long Island.
From soft wash roof cleaning to high-pressure driveway blasting — we restore your property's curb appeal and protect your investment.
Safe soft wash technology removes dirt, mold, algae, and grime from vinyl, brick, and stucco siding without damage.
Learn MoreLow-pressure soft washing eliminates black algae streaks, moss, and lichen — extending your roof's life and restoring its look.
Learn MoreHigh-pressure cleaning blasts away oil stains, tire marks, and years of grime from concrete and asphalt driveways.
Learn MoreRestore your concrete, stone, or wood patio to its original condition — perfect for outdoor entertaining season on Long Island.
Learn MoreDeep clean and seal your pavers to prevent weed growth, staining, and erosion — keeping them looking new for years.
Learn MoreKeep your business looking sharp. We service storefronts, parking lots, warehouses, and multi-unit properties across Long Island.
Learn MoreAt Great Bay Pressure Wash, we're not just blasting water at your home — we're protecting your biggest investment. Our team uses the right pressure, the right chemicals, and the right technique for every surface.
Getting your property professionally cleaned is easier than you think.
Call us at (631) 921-2732 or fill out our online form. We'll get back to you fast with a fair, transparent price.
We inspect the surfaces, identify the best cleaning method, and confirm any special considerations before we start.
Our crew arrives on time, protects your landscaping, and delivers a thorough, professional clean.
We walk you through the results. If you're not 100% satisfied, we make it right — no questions asked.
Don't just take our word for it — here's what our neighbors think.
"Great Bay did an unbelievable job on our driveway and house in Sayville. The black stains on our siding I thought were permanent are completely gone. Extremely professional team, showed up on time, and the price was fair. 10/10 would recommend to anyone on Long Island."
"Had my roof soft washed after seeing the black streaks get worse every year. Great Bay came out, explained the whole process, and the roof looks brand new. They were careful, clean, and professional. My neighbors have already asked for their number!"
"Used Great Bay for our commercial property in Ronkonkoma — parking lot and building exterior. Fast, thorough, and they worked around our business hours. Our storefront has never looked better. Will definitely be using them on a regular basis."
Based in Oakdale, we serve homeowners and businesses throughout Suffolk County and the surrounding region.
Expert advice to help you maintain your home's exterior year-round.
Long Island's humid climate creates perfect conditions for mold and algae growth. Here's our expert schedule for keeping your home clean.
Read ArticleUnderstanding which method is right for each surface can save you thousands in unnecessary repairs. We break it all down.
Read ArticleTiming your roof cleaning right makes a big difference in results and value. Here's when and why to schedule in New York.
Read Article