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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon43
    Verified deck cleaning services reviews

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

Avatar for Costello Coatings
Costello Coatings
4.7(
53
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Sanford, ME and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Bart Costello applied two coats of high quality oil-based sealer. It filled in the cracks and I'm confident that it will protect my driveway better that previous applications. Bart was on time, cleaned-up after he finished and tied a plastic stripe across the driveway. I codlin''t have asked for a better job. He is efficient, knows what he is doing, and is polite to boot. Highly recommended."
After
Before
Before 2
After
After

+1

Response time7 hrs
Response rate86%
30 neighbors recently requested a quote
Avatar for DRS Builders LLC
DRS Builders LLC
New to Angi
Deck, Fence, Patio or Porch - Clean and Seal

Serving Sanford, ME and surrounding areas

Approved

Free estimates

Small jobs welcome

I have been an active professional in carpentry/construction for 5 years. I take pride in completing high quality work in a timely manner. I am always grateful for all business earned and make sure to take care of the clients property as if its my own and so I am diligent in keeping the work area clean and leaving it clean. The work I can accomplish for you includes framing, interior & exterior trim, decks, window and door installation, flooring and custom wood work. Thanks for your time thus far and look forward to working with you!

1 neighbors recently requested a quote
Avatar for Pynn Carpentry
Pynn Carpentry
New to Angi
Deck, Fence, Patio or Porch - Clean and Seal

Serving Sanford, ME and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

I am a framing and finish carpenter based out of Dover, NH. I specialize in door and window replacements, exterior trim and siding repair/replacement, deck and porch construction, and many more. I am young and eager to work for people from all walks of life. I pride myself on being honest and hardworking. I will always give you the best product I can.

5 neighbors recently requested a quote
Avatar for That's Easy Home Repair
That's Easy Home Repair
New to Angi
Deck, Fence, Patio or Porch - Clean and Seal

Serving Sanford, ME and surrounding areas

Approved

In business since 2024

Small jobs welcome

Brett Tishim is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

Half bath
Half bath
Half bath
Half bath
Half bath

+20

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Deck Cleaning FAQs, answered by experts

The proper height for a stair riser or deck step is between four and seven inches, with seven inches often considered the most comfortable. Building your stairs to this height ensures a strain-free step position and minimizes the risk of trip and fall injuries. For optimal safety and comfort, especially on deck stairs, a rise of around seven inches should be paired with a tread depth (or run) of at least 10 to 12 inches. While it is possible to design stairs with risers up to 12 inches, this height can be challenging for children, pets, or individuals with mobility issues. Always check with your local building codes, as they may mandate specific dimensions that differ from these general recommendations.

In most cases, sanding an old deck before staining it is necessary to achieve a decent finish. If your old deck has a relatively new stain finish on it and you're only doing touch-ups, you can generally skip the sanding part. However, if your goal is to make the deck look and function better, sanding first is a must. 

It is definitely worth sanding a deck to ensure the wood absorbs new stain. Sanding a deck removes the outer layers of aging wood, allowing the stain to penetrate. It also gives a fresh look to the entire surface as part of the deck refinishing process. Without sanding, your stain or sealant is less likely to absorb into the wood. While sanding a deck is a time-intensive project, the rewards are noticeable and long-lasting.

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. 

For a 12x20-foot (240-square-foot) deck, you can expect to pay between $7,200 and $14,400. This cost is based on a general price of $30 to $60 per square foot. The final price will depend on factors such as the decking material, design complexity, deck type, location, and local labor costs. Keep in mind that add-ons will increase the total; for example, adding an under-deck drainage system to a deck of this size could cost an additional $7,700.

The Sanford, ME homeowners’ guide to deck cleaning services

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