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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon84
    Verified deck repair services reviews

Top-Rated Deck repair pros in Sunnyvale - Updated Nov 2026

Avatar for Summit Deck Doctor
Summit Deck Doctor
4.8(
52
)
Deck or Porch - RepairDeck or Porch - Repair - For Business

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Our large deck was sorely neglected - no maintenance in at least 8 years - and I worried it was beyond help or would be cost-prohibitive to rehabilitate. Rupert and Michael breathed new life into it! Rupert (company principle) is very responsive, and he was able to give a quick informal estimate based on some photos and I texted. This made it very easy to start working together right away. Now the deck looks beautiful, and they were able to stain our wooden deck furniture to match. Great makeover for our deck and lovely folks to work with!"
Before handrails.
Deck build above creek.
Honey teak color. Morgan Hill.
Deck and arbor staining
Cabot solid stains

+416

Response time10 hrs
Recommended by97%of homeowners
Avatar for Cal Preserving
Cal Preserving
4.7(
177
)
Deck or Porch - Repair - For Business

Serving Sunnyvale, 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

15 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Brian O'Neill Construction
Brian O'Neill Construction
4.9(
88
)
Deck or Porch - RepairDeck or Porch - Repair - For Business

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2001

Free estimates

Small jobs welcome

"We spent 3 months trying to find the right contractor to tear down and rebuild our deck. We hire Brian ONeill after receiving a bid and discussing the project with him. He listened to what we wanted and worked with us to come up with the correct deck configuration that we wanted. He is a true craftsman and exceptionally easy to work with. We couldn't be happened with the finished product and that he did everything he said he would do and was a complete pro before, during, and after. Thank you Brian!"
LARGE ASHLER WITH BANDS
ARBOR REPAIRED
Concrete
ARBOR REPAIR
Arbor

+40

Response time3 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for R Cabral, Contractor, Inc.
R Cabral, Contractor, Inc.
4.6(
271
)
Deck or Porch - Repair

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"R.Cabral ,Rolando the owner, was very professional. He gave me an estimate on Soffit repair under the roof. He was able to do my repair in a couple of days and was very helpful."
Menlo park roof repair
Menlo park roof repair
Menlo park roof repair
Menlo park roof repair
Menlo park roof repair

+125

Response time7 hrs
Response rate95%
94 neighbors recently requested a quote
Avatar for Bayside Builders Group
Bayside Builders Group
4.8(
67
)
Deck or Porch - Repair

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Super happy with our new deck from Bayside Builders Group. From the initial quote down to the final inspection, everything was handled professionally. The builders were fast, respectful of our property, and clearly knew what they were doing. The finished deck looks amazing and feels built to last. Worth every penny."
Deck Installation
9
12
Roofing and Gutter Instal
Castro Valley project

+154

Response time2 days
Response rate86%
Recommended by66%of homeowners
Avatar for Landscaping Bay Area
Landscaping Bay Area
4.6(
117
)
Deck or Porch - RepairDeck or Porch - Repair - For Business

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Genaro came out, fixed problem fast and was very helpful! He pointed out some things I could do to keep my lawn green and not die. Very nice guy and helpful Will be using him for my backyard project once my inside of house is completely remodeled. Thank you sir!"
Ground cover
Ground cover
Additional Photos
Additional Photos
Additional Photos

+15

Recommended by88%of homeowners
Avatar for Richard Najar
Richard Najar
5.0(
9
)
Deck or Porch - Repair

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2014

Free estimates

Small jobs welcome

"Richard documented and itemized the work to be done in a good quote. This made it easy for me to select the priority services I wanted. While I bought the replacement door, Richard was helpful advising me what door to select, and an efficient Home Depot to get it at. Richard was patient while inspecting the work to be done, and explaining what was need. Richard began in a timely fashion, and worked with my schedule. i am very happy with the resulting door installation."
Beautiful  Remodel
Beautiful  Remodel
Beautiful  Remodel
Beautiful  Remodel
Beautiful  Remodel

+56

Response time2 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Golden Team Builders
Golden Team Builders
5.0(
36
)
Deck or Porch - Repair

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

Golden Team Builders is dedicated to providing our customers with the best quality and \ncraftsmanship. We are here to build relationships with our customers and communities and to provide \nour employees with a great place to work. We look forward to working with you!

7 neighbors recently requested a quote
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Deck Repair FAQs, answered by experts

When installing deck boards, screws are generally a better option than nails. Screws offer superior holding strength over time, keeping the boards securely in place. In contrast, nails are more likely to pop out, which can create a tripping hazard. While you can use either, we recommend using 3-inch galvanized deck screws. To minimize the risk of cracking the wood, it's a good practice to drill small pilot holes before driving the screws into the deck joists.

No, you don’t need a permit to repair and replace a few boards on an existing deck. However, if you’re making structural changes to the deck or tearing down the old one and building a new one, you will likely need a permit. Check with your local municipality for the regulations and rules in your area, or ask a local contractor who builds decks for advice.

Staining and sealing the underside of a deck creates a moisture barrier but traps water in the boards, quickly leading to rot. No matter how well you seal the above deck, water still gets through via nails and screw heads on the surface. Allow this water to flow naturally under the deck, where it is routed through the drainage system.

Unless you’re using a 2-in-1 formula or painting over an existing coat of paint, it pays to apply a coat of primer ahead of your new paint. Decks see a lot of footfall and exposure to extreme and sudden temperature changes and moisture levels. The primer promotes better paint adhesion, moisture repellency, and a smoother finish, which means you’ll often need fewer coats of paint. 

No, your deck will not rot under artificial grass as long as it is installed properly. When installed correctly, the artificial grass features a drainage system that prevents rotting. Simply laying artificial grass on top of the decking without proper installation will not lead to an effective drainage system that prevents rotting.

The Sunnyvale, CA homeowners’ guide to deck repair services

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