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TRUSTED BY COTATI, CA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon38
    Verified deck cleaning services reviews

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

Avatar for Cal Preserving
Cal Preserving
4.7(
177
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Cal Preserving delivers EXCEPTIONAL results. We had an immediate response to my request for a quote. Onsite visit 2 days later, quote that afternoon. Able to start after rain let up in Fremont - 5 days later. Absolute professional prep, treatment, and care by Francisco and Gabriel. Pressure washed our 14-yr old deck the first day - AND the pergola overhead - AND the fiberglass roofing. They ALSO cleaned the adjacent pool of cleaning debris - without being asked! Next day sanded the deck, let dry, returned to apply preservative - which brought out the original beauty of the redwood. Spectacular results. Throughout they protected downspouts, electrical connections, cleaned dirty water sitting in the base of sliding glass doors - and somehow made a squeaky deck silent. (I've walked across it 4 times tonight and there wasn't a single squeak.) Gorgeous result. I will hire this company again - recommend them for any wood related project - and have already recommended them to neighbors. We've owned this 43 year old home 20+ years - and never seen such quality restoration. This company is truly exceptional - at all levels."
Additional Photos
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Before
After

+13

11 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Platinum Painting & Upgrades
Platinum Painting & Upgrades
5.0(
25
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

"After replacing our wooden deck we need to have the deck sealed. Platinum responded promptly. They provided options and cost estimates for different products to treat the deck. We received a written estimate the same day, the following day they powered washed the deck. Living in a coastal area the morning scheduled to treat the deck was damp. Platinum came back late in the afternoon to allow the wood to dry. The job was completed on time within budget. After the worksite was clean and the deck was beautiful. I would hire Platinum for other painting jobs, we highly recommend them."
Restaurant painting
Restaurant painting
Restaurant painting
ceiling frames
concrete design

+18

11 neighbors recently requested a quote
Custom Quality Creations
4.8(
85
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"Highly skilled professionals, hard working, thorough and impeccably clean; good communication, pleasant and helpful throughout. Delivered on all promises with high-quality results. An exceptional experience... highly recommend!!"
Home in Rohnert Park CA after
 Before picture of front of house
 front of house before picture
 front view before staining
 View from entrance

+118

Response time2 days
18 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for CertaPro Painters Of Sonoma County
CertaPro Painters Of Sonoma County
4.9(
11
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Bill (the owner) and James (the supervising manager) both assessed the scope offer project and had helpful suggestions regarding prep work and paint choices. James kept me informed on a daily basis while the crew was painting. Crew members were polite and efficient and cleaned up after themselves each day while they were at our house. We are very pleased with the results and I would recommend this CertaPro group."
Green Siding Project
Home Exteriors
Home Exteriors
Home Exteriors
Home Exteriors

+16

Response time6 hrs
Response rate98%
3 neighbors recently requested a quote
Different Strokes Painting
4.5(
5
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

Approved

In business since 1985

Free estimates

Warranties offered

Hi my name is Samuel Solis and I pride myself on reliability, great communication, integrity and quality work. I strongly believe in giving my absolute best in all of my projects no matter how big or small. I am an expert in my trade and will always keep you educated on your particular task or project. I look forward to earning your business!

Response time4 hrs
Recommended by66%of homeowners
Palm Construction, Inc.
5.0(
90
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

Recommended by100%of homeowners
Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Mega Power Electric is an excellent company to work with. Gary and his team are knowledgeable, honest, and will go out of their way to get the job done right. We installed panels and solar battery storage unit in our home and we're reaping the benefits of being clean and green."
Additional Photos
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Additional Photos

+32

Recommended by100%of homeowners
Avatar for A Better Choice Painting
A Better Choice Painting
4.1(
557
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Cotati, CA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"The power wash and clean-up were both very perfunctory. Many garden plants are speckled with paint. That said, the price was very reasonable and the house has been painted. Considering the hasty prep that was done, I only hope the paint job lasts a few years.
"
Exterior Painting
Interior Painting
Wall Art
Recommended by81%of homeowners
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Deck Cleaning FAQs, answered by experts

You can use a few different tactics to prevent your deck gate from sagging. Aside from using strong, rot-resistant woods, introducing a diagonal element—such as a tension rod or solid piece of wood to act as a brace—across the gate will offer better support. You can also use rigid joists to prevent the gate from sagging.

Building a deck is often worth the investment, not only because it provides more utility to your yard and gives you more space to entertain but also because decks tend to add value to your home. Keep in mind that second-story decks often require concrete footings, which means they will bump up your property taxes, while decks built on the first story generally don’t require a permanent foundation and won’t affect your taxes. Even with the tax increase, decks are usually a good investment in the long run.

Before installing any materials under the deck for removing moisture, you should perform some prep work on the ground. Work the dirt under the deck to create a grade away from the home. A grade of at least six inches for every 10 feet works well. Do not leave a gap between the dirt and the home’s foundation where water could pool. Once you or a contractor regrades the dirt under the deck, you then can add materials over the top.

Yes, it is possible to add an under-deck drainage system to an existing deck by retrofitting it to the structure. This process may require some prep work. For example, many drainage systems are installed on top of the deck joists, which would require you to remove the decking boards and railings first. To avoid this, you could opt for a below-the-joist drainage system. For best results and to ensure proper installation, it is recommended to consult a professional. A pro can inspect your deck, make any necessary repairs, and then install the drainage system correctly.

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.

The Cotati, CA homeowners’ guide to deck cleaning services

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