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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon94
    Verified deck maintenance services reviews

Top-Rated Deck maintenance specialists in Mahwah - Updated Nov 2026

A&M General Contracting, LLC
4.7(
60
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"I can't say enough good things about this company. Robert and Tim went above and beyond for me. I had my large deck power washed and stained. the first time with professionals. they came on time and completed the job in the specified time. I will certainly use this company again, and recommend them to others."
Before Calbrite
Calbrite clean
Before Calbrite
After Calbrite
Response time12 hrs
26 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Jager Landscaping Inc
Jager Landscaping Inc
4.7(
41
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"Exceptionally well. Jager Landscaping took my 20+ year old tiered garden walls and redesigned and rebuilt the walls to grade better with my sloped backyard. Crew was extremely professional and knowledgeable."
Response time9 hrs
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Pro Builder New Jersey, LLC
Pro Builder New Jersey, LLC
4.8(
59
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2016

Free estimates

Customers say: Quick response

"I hired Pro Builder. Exceptional deck work! They are evident in every detail. The team demonstrated skill and precision, transforming our outdoor space into a functional and visually stunning area. Communication was clear, timelines were met, and the end result exceeded our expectations. Highly recommend for anyone seeking top-notch deck construction. Thank you Pro Builder."
Response time2 days
5 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for CSZ Construction
CSZ Construction
4.6(
69
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Mahwah, NJ and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Cesar and his workers' were prompt. Most importantly, they are efficient and professional individuals. They completed the home improvement projects as promised. Cesar also fixed another home improvement project; we had not discussed. Lastly, the team cleaned-up after they finished the home projects."
 ALL COLUMNS FINISH
OLD DECK
Livinroom
 PAINTING
PREPARING FOOTINGS

+168

Recommended by93%of homeowners
Avatar for Best Builder Construction
Best Builder Construction
5.0(
53
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Best Builder Construction has got to be the best roofing company in They re super knowledgeable and helpful in anyway that they can be. You wont work with another company thats more friendly and you wont have to. They do the whole job from roofs to gutters and siding to painting and finishing. All in one service you cant beat. Thanks for everything guys"
Roof Instalation
Chimney
Replaced Roof
Siding
Siding Instalation

+2

Response time5 hrs
Response rate100%
23 neighbors recently requested a quote
Avatar for Beni&Vini Construction LLC
Beni&Vini Construction LLC
4.9(
18
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Mahwah, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Really happy with the work the pros with Beni & Veni Construction did on my roof. I had a few asphalt shingles that needed to be repaired and they came out, took care of everything, and did a great job. They were easy to work with, showed up on time, and cleaned everything up when they were done. The roof looks great and the price was fair. Would definitely recommend them!"
Beni&Vini Construction
52 neighbors recently requested a quote
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Deck Maintenance 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.

Choices include wood, composite, and hardwoods, each with unique benefits.

Applying too much sealer to a deck might seem like extra protection, but it can cause more harm than good. Wood is a porous material with a limited capacity to absorb liquids. When you go overboard with sealer, the excess can't soak in and instead forms a film on the surface. This leftover layer is prone to peeling, cracking, and trapping moisture, ultimately defeating the purpose of sealing in the first place. 

Yes, deck pier blocks can be used as an alternative to traditional deck footings, particularly for small or low-to-the-ground decks. Unlike poured concrete and buried post footings, deck blocks don’t require digging or pouring. However, their use is regulated by local building codes, and they may not be permitted in areas prone to high winds, earthquakes, or hurricanes. Always consult your local building codes before choosing them for your deck project.

A random orbital sander is best for sanding a deck because it is easier to handle than other power sanders and is less likely to damage the wood. Most decks are made of types of softwood, so a gentler sanding process is essential to prevent permanent blemishes. For example, belt sanders can gouge softwoods.

The Mahwah, NJ homeowners’ guide to deck maintenance services

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