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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 SANTA CLARA VALLEY COMPLETE SERVICES INC
SANTA CLARA VALLEY COMPLETE SERVICES INC
4.7(
332
)
Gutter Covers and Accessories - Install or Replace

Serving Sunnyvale, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1991

Free estimates

Emergency services offered

"Excellent experience and result! From the initial in person visit and proposal, to the timely schedule and installation and finally site cleanup at completion, Rolando and team performed very well and were very professional. I highly recommend Rolando and his business for projects like this(repair, replace and clean residential gutters)"
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+115

Response time8 hrs
20 neighbors recently requested a quote
Recommended by88%of homeowners
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

"WE ALREADY HAD THE GUTTER GUARDS, HOWEVER AFTER A NEW ROOF INSTALLATION WE NEEDED A WATER DIVERTER AND AN EXTRA DOWNSPOUT INSTALLED. THE WORK WAS BEAUTIFULLY DONE, ON TIME AND EVERYTHING LOOKED LIKE IT HAD ALWAYS BEEN THERE. THEY WERE ALL VERY PROFESSIONAL AND DID A BEAUTIFUL JOB FOR A VERY REASONABLE PRICE."
Response time2 hrs
Response rate98%
14 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%
29 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 best way to seal gutters is with a combination of waterproof roofing cement and silicone gutter sealant. This powerful duo works to prevent water from escaping through holes and cracks while allowing for breathability. While you can use polyurethane sealants, silicone sealants tend to be more flexible when it comes to climate. Silicone is UV-resistant and bonds well to many surfaces. However, polyurethane sealant bonds better with wood. 

It is possible to repair your own gutters, but we don’t recommend it. First, gutters need to sit at a precise slope to direct water toward the downspouts but also appear level from the yard, and this task is challenging to get right through DIY gutter repair. Second, any mistakes you make could be costly if they cause water damage or foundation damage. It might seem unnecessary to spend $400 on professional gutter repair, but it pales in comparison to what you might pay if you make a mistake doing the work yourself.

No—gutters should be designed and properly installed so they are ready to handle any level of rainflow from your roof. If you notice pooling water around your gutters or on the roof, it’s imperative that you contact a gutter repair pro near you—the slope of your gutters could be off and need adjusting.

Yes, it is okay to knock down icicles yourself. Just make sure to take the proper safety precautions. If you’re not comfortable doing it yourself, contact a roofing professional.

How you stop water from leaking between your gutters and fascia depends on the cause of the leak. Some leaks can be fixed simply by cleaning out clogged gutters or downspouts. Other leaks require you to seal holes or cracks in your gutters. Meanwhile, some leaks are a structural issue that requires replacing, changing, or adjusting your gutter system.

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.