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Top-Rated Deck cleaning pros in Hornell - Updated Nov 2026

Avatar for Exteriors By Maria
Exteriors By Maria
3.6(
28
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Hornell, NY and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"Maria and her team were very professional and courteous. They worked well together and hardly ever took breaks. This team hand brushed the entire house and it looks great. Clean-up was well done too. Maria was one of the only painters in the area that was willing to work us into her very busy schedule. She knew we had a very strict timeline and the job had to be finished quickly (we had renters arriving). Despite all the rain we had last week and an unfortunate personal issue, they got the job done just in time. I'm grateful for Maria and her team and their diligence. We would recommend this team and would definitely hire them again. Thanks Maria!
"
JOHN DAVID SALON
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+14

Recommended by82%of homeowners
DEAN'S HOME IMPROVEMENTS
3.7(
4
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Hornell, NY and surrounding areas

In business since 2006

Free estimates

"I used Dean for two jobs and was impressed with how polite and knowledgeable he was. If he was not able to arrive at the specified time he informed me. The first job was a reshingle job for my daughter which was completed in a timely fashion without a hitch. The second job was a teardown and shingle for my home. There were a couple of glitches due to incompetence on the part of a worker who is no longer with him. Dean immediately went above and beyond what was necessary to correct these errors and I am confident that should any other problems arise he will take care of them. I will certainly contact him if I have any further work to be done"
Recommended by100%of homeowners
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Deck Cleaning FAQs, answered by experts

The average cost to professionally clean or pressure wash a deck is around $150, with prices typically ranging from $100 to $600. Several factors influence the final price, including the deck's size, material, condition, and how long it has been since its last cleaning. For a smaller deck of about 300 square feet, you might pay around $100. For a larger deck of 1,000 square feet or more, the cost could be closer to $300 to $400. Decks that are very dirty or haven't been cleaned in years may require more time and special detergents, which will increase the price. The deck's material also plays a role. Wood decks often cost more to clean because they require a gentle power washing technique to avoid damage. Composite decks are typically less expensive to clean, and cleaning a metal deck may cost around $100.

Local building codes don’t specify the number of steps a deck can have before a railing is required, mainly because stair height varies widely. Most areas require decks 30 inches or higher to have a railing. While not exact, that roughly equates to four to seven steps.

When staining a deck, don’t skip surface prep, avoid staining damp or dirty boards, and don’t apply stain in extreme heat, cold, or wet conditions. Never overload the wood with a stain, as too much can cause tackiness or peeling. Also, don’t forget to test a small area first to ensure the color and finish look right.

To maximize the utility of space under a deck, it’s important to keep this area dry and clean. One way to prevent the area from becoming too wet is to install an under-deck draining system. This affordable home upgrade channels water away from the deck and provides usable space for storage or a functional area below a second-story deck. Not only will this be a useful maintenance upgrade, it can boost your home’s property value.

If you want to make a deck cleaner from products already in your home, there are various options. The most common is to use a gentle blend of 1 gallon of warm water and 2 tablespoons of ammonia-free dish soap. You can also mix water with distilled vinegar. Sprinkling on some baking soda can help to remove mold and mildew. You can add oxygen bleach (but never damaging chlorine bleach) to the water and ammonia-free dish soap solution for something a bit stronger. 

The Hornell, NY homeowners’ guide to deck cleaning services

From average costs to expert advice, get all the answers you need to get your job done.