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TRUSTED BY SUNNYVALE, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon112
    Verified gutter repairs and replacements reviews

Top-Rated Gutter repair and replacement pros in Sunnyvale - Updated Nov 2026

Avatar for The Brothers That Just Do Gutters - Sunnyvale, CA
The Brothers That Just Do Gutters - Sunnyvale, CA
5.0(
7
)
Gutter Covers and Accessories - Install or ReplaceSeamless Metal Gutters - InstallSeamless Metal Gutters - Repair+2 more

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"I called Eric from two brothers who install gutters, Eric was a professional, he showed up when he said he would, his estimate was very comparable to all other vendors, even though I had to postpone the job, I was throughly impressed with his honesty, punctuality and professionalism. I would definitely recommend Eric and his company."
Response time2 hrs
Response rate98%
12 neighbors recently requested a quote
Avatar for A-1 Gutter Guys
A-1 Gutter Guys
4.7(
22
)
Gutter Covers and Accessories - Install or ReplaceSeamless Metal Gutters - Install

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Before I replaced my gutter, I’ve been searching around the company that I feel comfortable to work with, finally I choose A-1 GUTTER GUYS to do the work, the price is reasonable & most of all ANTHONY, the owner is very honest and I feel he never wants to take advantage of the job, he told me the truth whether things should be or shouldn’t be done Anthony installed a new gutter plus a gutter guard of my back yard and he and his crews did an outstanding & excellent job with fairly price! I highly recommend this company and for sure i will be contacting them again in the near future to do the other part of my house"
2 Story Gutter Install
2 Story Gutter Install
2 Story Gutter Install
Seamless Fascia Gutter install
2 Story Gutter Install

+12

Response time1 day
Response rate95%
26 neighbors recently requested a quote
Avatar for Universal Builder Co. San Jose (Gutters)
Universal Builder Co. San Jose (Gutters)
4.4(
53
)
PVC Gutters - RepairSeamless Metal Gutters - InstallSeamless Metal Gutters - Repair

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"Because I needed only a repair after a tree limb damaged the roof, many roofers either would not bid or I would have to wait for any repair. Universal did the repairs over several days by sending over crews after they had finished a prior job. Worked out well."
Recommended by85%of homeowners
SGB Inc.
5.0(
6
)
Gutter Covers and Accessories - Install or ReplaceSeamless Metal Gutters - Install

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Response time2 days
Response rate86%
Recommended by100%of homeowners
RSF Construction Inc.
1.0(
1
)
PVC Gutters - RepairPVC Gutters - Repair- For Business

Serving Sunnyvale, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

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Gutter Repair and Replacement FAQs, answered by experts

The trick to getting gleaming gutters can vary based on the material of your gutters. Aluminum gutters can often be restored to pristine condition by using a cloth to scrub them with a solution consisting of 1 cup of vinegar and 1 cup of water. Vinyl gutters can be whitened using dish soap and water. For deeply stained vinyl gutters, adding bleach with water and dish soap may help to remove black streaks. Many retailers sell premixed gutter sprays. Applying cleaning solutions to dry gutters before rinsing can help cleaners attach to dirt and grime for easier removal.

Downspouts channel water from your roof and gutters into the ground following a specific route so water doesn’t accumulate around your house’s foundation. Without a downspout, the standing water will wash away material and disrupt the soil, leading to foundation erosion. The standing water will also form ice around your house during cold weather, causing a safety hazard.

Yes, professionals can spot and rectify downspout issues such as clogs, leaks, or disconnections during cleaning. They ensure proper water flow, protecting the building's foundation and preventing water damage or erosion.

One of the biggest causes of gutter leaks is clogged gutters. If your gutters are full of debris and leaves, water will back up and eventually overflow outside of the gutter. Other common causes of gutter leaks include loosened gutter fasteners, faulty gutter slopes (sagging gutters), separated joints, and cracks or holes.

Yes, caulking or sealing your vinyl gutters is a good way to help prevent gutter leaks. When you’re installing gutters, it’s important to overlap the sections to help avoid issues like leaks or drips, but they can still happen. In this case, adding caulk can help. Make sure to use a caulk designed for multiple surfaces, like a silicone-based caulk. You can also purchase a gutter sealant as well, which is specifically designed for this purpose.

The Sunnyvale, CA homeowners’ guide to gutter repairs and replacements

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