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TRUSTED BY CASTRO VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon3.7
    Average homeowner rating
  • Verified reviews icon27
    Verified deck maintenance services reviews

Top-Rated Deck maintenance specialists in Castro Valley - Updated Nov 2026

Avatar for Next Gen Painting & Staining
Next Gen Painting & Staining
5.0(
23
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Castro Valley, CA and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

"Julio was great. He gave me a fair estimate that was built off of a price per sq ft (unlike other places that had a minimum rate). He was punctual and did an awesome jump power washing and staining our deck. It looks brand new! Julio even washed some of the surrounding wood area for no extra charge, he was super helpful. I would definitely recommend Julio and Next Gen Painting & Staining for any wood maintenance needs."
Response time11 hrs
Response rate95%
11 neighbors recently requested a quote
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 Castro Valley, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"I had an outdoor playground set. Adrian was professional and hard-working. Great communication and he brought all the required tools and equipment. He showed up first thing in the morning on a short notice and it was all done before the end of the day. The assembly looks great and I know the kids will love it!"
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+13

15 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Cal Preserving, Inc.
Cal Preserving, Inc.
4.5(
15
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Castro Valley, CA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Very easy to work with. I'd used them before but this time I got estimates from other contractors and was amazed how much more reasonable Cal Preserving was. The difference may be that the others pointed to additional steps that could be taken. Did Cal Preserving "miss" these things or recognize they weren't necessary--I'm inclined to believe the latter."
 Deck - before
 Deck - after
 Deck - before
 Deck - after
 Deck - before

+2

Response time2 days
14 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Ramirez Landscaping & Concrete
Ramirez Landscaping & Concrete
4.8(
44
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Castro Valley, CA and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"Roberto recommended the removal of an overgrown tree and root system that caused a large 3-4 foot crack in the front entrance walkway. The tree removal was included in his bid. Proper drainage lines installed to channel water run off away from the house. Beautiful new colored & stamped concrete was installed. His work ensured the new concrete would be at the same level as the existing backyard deck. His work exceeded my expectations."
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+80

Recommended by94%of homeowners
Avatar for SurfaceRenu
SurfaceRenu
4.5(
40
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Castro Valley, CA and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"I was told if the amount of work needed went over the deal price of 99.00, a bill would be left. When I arrived home, there was a bill for $90. I called and was told it was a mistake. This made me wonder if the cost of the job would have been less than the $99 I paid initially. Provider was responsive to calls, messages.
"
Recommended by86%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 Castro Valley, 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
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Deck Maintenance FAQs, answered by experts

When sourced responsibly, the most sustainable wood decking options are timber trees like redwood, pine, Douglas fir, Nootka cypress, and Western red cedar. These tree species are fast-growing with low carbon emissions. Plus, most timber woods make durable deck materials because of their resistance to rot and decay over time. 

Composite decking requires a solid foundation, substructure, or subframe to ensure stability. This base is typically composed of posts, beams, joists, and footings. The frame's joists can be built from various materials like composite, plastic, timber, or metal, as long as the base can support the deck's weight without shifting. A professional deck builder might recommend installing the frame on a solid concrete base for added durability. The final design and materials for the substructure will depend on your budget, the type of deck, and environmental conditions.

Rot loves moisture, so deck rot typically impacts the parts of a board that stay wet. This includes the underside of boards, in addition to support posts and joists. However, any part of a board can rot, given the right conditions. 

Before installing a deck, you must build a base for the deck to rest upon, often made of compacted soil or gravel. While gravel is an optional material, it helps with drainage. Some contractors also recommend installing a weed control membrane, which helps provide a solid foundation for the frame. In the case of an elevated deck, a pro will often lay down a concrete slab as a foundation. 

Yes, an elevated deck can increase a home's resale value. Homeowners can expect a 65% return on investment from the cost of a second-story deck installation. For example, if you spend $5,000 to install a second-story deck, that deck will add $3,250 to the value of your home.

The Castro Valley, CA homeowners’ guide to deck maintenance services

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