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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon88
    Verified deck repair services reviews

Top-Rated Deck repair pros in Castro Valley - Updated Nov 2026

Avatar for Cal Preserving
Cal Preserving
4.7(
177
)
Deck or Porch - Repair - For Business

Serving Castro Valley, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"They started each day at 8:00 AM and worked until 5:00 or later. They were very polite and professional. The lead person George would explain what they would be doing each day and then perform the tasks. The deck looks like it is brand new and the redwood has the original color and grain. Note: the bill included 4 hours of setting the deck screws so they could sand. Otherwise they performed to the bid."
Additional Photos
Additional Photos
Additional Photos
Before
After

+13

12 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Bayside Builders Group
Bayside Builders Group
4.8(
68
)
Deck or Porch - Repair

Serving Castro Valley, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"We got a few estimates for a new custom deck and chose Bayside Builders Group because of their detailed breakdown. Our project manager, Dan, made sure everything stayed right on budget with zero hidden fees. He checked up on the progress constantly and kept the crew moving efficiently. The deck looks stunning and the structure is incredibly sturdy. Huge thanks to Dan for a job well done!"
Deck Installation
9
12
Roofing and Gutter Instal
Castro Valley project

+154

Response time2 days
Response rate86%
Recommended by65%of homeowners
Avatar for Syntech Roofing and Waterproofing
Syntech Roofing and Waterproofing
5.0(
10
)
Deck or Porch - Repair - For Business

Serving Castro Valley, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Rocky and his team Carlos, Duan and Rubin are extremely professional, responsive and efficient. The waterproofing in my upper deck and garage floor coating are done in high quality of workmanship and careful manner. I really appreciate their positive and helpful work attitude. I highly recommend them to any home owner."
Completed Projects
Completed Projects
Completed Projects
Completed Projects
Completed Projects

+31

Response time1 day
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Zavala Construction
Zavala Construction
3.9(
122
)
Deck or Porch - Repair

Serving Castro Valley, CA and surrounding areas

Approved

In business since 2009

Warranties offered

Small jobs welcome

"Jose was prompt to respond to a bid request. Was not the lowest, but I selected him because of quick turnaround as I needed repairs done to start other work. During his bid, I let him know my near term plans for large scale projects. My hope was to build a long term relationship with a trusted contractor. We even went to look at a neighbors siding replacement that he worked on. Quality of work was overall fair. On the start day, he showed up early and finished on time. We wanted to keep him happy for future work, so we offered to clean up and dispose of any trash. After he left, we noticed that a piece of trim adjacent to a piece he replaced, was inadvertently damaged. Communication was inconsistent. While on site, we found him pleasant to work with, so we asked a couple times for a bid to frame our deck. He only provided an estimate to do the entire deck (frame to finish), so we assumed he did not want to take on a small project. Then, when we noticed the damaged trim, I gave him an opportunity to respond to gauge his communication style if we award him our large scale projects. His response was seriously? I gave you a good deal. I kindly asked if he wanted the opportunity to fix the damage, but his reaction was to blame me and complain that he made no money because materials cost double of what he quoted. Firstly, it is not my fault that estimates were off, and had he told me on the day of the project I would have tried to find an equitable solution to keep him happy. I also never assumed he would fix the damage for free, but he did not give me the opportunity to discuss things with him before reacting. Overall, I am sad because I wanted to build a long term relationship with contractor who is solution oriented. Communication is very important to us. If you have small projects where communication/workmanship is not a big deal, go for it. Read the other feedback and the manner of response and decide for yourself."
Deck addition
Garage addition
House painting
House painting
House painting

+25

Response time6 hrs
4 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for ARISTA EXTERIORS
ARISTA EXTERIORS
5.0(
9
)
Deck or Porch - RepairDeck or Porch - Repair - For Business

Serving Castro Valley, CA and surrounding areas

Approved

Free estimates

Warranties offered

Offers commercial services

"We had them do a full house siding project and it turned out great. The crew worked hard every day, kept things clean, and always let us know what was going on. You can tell they care about doing it right, not just rushing through it. The house looks completely different now and we?ve already had neighbors compliment it. Glad we went with them."
Before
Full Siding Replacement
Full Siding Replacement
Full Siding Replacement
Full Siding Replacement

+48

100 neighbors recently requested a quote
Avatar for Plumbing 1 Builder's Inc
Plumbing 1 Builder's Inc
5.0(
17
)
Deck or Porch - Repair

Serving Castro Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"Leo did a very extensive plumbing repair that required digging through my bathroom floor and replacing a huge pipe to the outside. He also prepared and installed piping and fixtures for a bathroom remodel. Always showed up when he said he would and had a great crew. Cleaned up as well. Would highly recommend."
Response time3 hrs
Response rate85%
58 neighbors recently requested a quote
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Deck Repair FAQs, answered by experts

Decks require several inspections during and after the building process, but the specifics vary depending on where you live. Most areas mandate that decks comply with local building codes and safety regulations for the foundation, framing, and structure. Some pros recommend a footing inspection, which verifies the depth, width, and location of the various footings to ensure they offer enough foundational support.

There are approximately 5.33 board feet in a 2x4. You can use the board foot calculator in this article to easily find the answer. A 2x4 is 2 inches of thickness by 4 inches of width, so you need to find the length, with 8 feet being the most common. You’d use the calculator here to multiply 2 times 4 times 8, and then divide by 12, arriving at a total of 5.33 board feet. 

It’s important to make sure the wood on a new deck is properly seasoned. Seasoning a deck is simple: Once you build it (or have a pro do so), just leave it alone so it can acclimate to the environment. If you don’t give the deck proper seasoning time before staining, the stain can lock in any lingering moisture and cause mold, rot, and other moisture issues down the road. Give the wood at least four to eight weeks to season before you stain.

A sunroom is worth installing on a deck, both for the value and your own enjoyment. A Florida room addition costs between $10,000 and $140,000, so it’s pretty expensive. However, a quality sunroom can offer a 50% return on investment, making your home more sellable. Plus, if it’s a space you and your family enjoy relaxing in daily for years to come, it’s worth the money, time, and effort, even without the added monetary value.

Your deck may pop, and your neighbor’s deck may not for a number of reasons. Whether or not a deck pops will depend on how it was made, the conditions it’s exposed to, and the materials. Improper spacing is a common reason for increased pressure between deck boards. Moisture penetration is another.

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

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