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TRUSTED BY GILROY, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon986
    Verified french drain services reviews

Top-Rated French drain pros in Gilroy - Updated Nov 2026

Avatar for Aaron's Plumbing & Rooter
Aaron's Plumbing & Rooter
4.8(
104
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateDrain Clog or Blockage - Clear - For Business+1 more

Serving Gilroy, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Aaronâ s was able to get out sooner than other local company I contacted. Technician Alex is knowledgeable and good at explaining the situation as we figured out the problem over 3 visits. This was during our 2022-2023 160-year series of rainstorms. My basement and garage were flooding and I could hear the sump pump wasnâ t running. Replaced sump pump after finding the correct size. Then it ran but still flooded. He came back, figured out drain was blocked and where. This 60 year old house has had many changes over the years, so that wasnâ t easy. Replaced old drain in cost-effective way. All the while he maintained a positive professional attitude. I will call them again, including for a bid when I redo laundry room service."
Bathroom Remodel
Bathroom Sink Fixture Install
Bathroom Remodel
Kitchen faucet fixture repair
Shower Ugrade

+108

Response time6 hrs
Response rate93%
97 neighbors recently requested a quote
Avatar for Mike Counsil Plumbing and Rooter
Mike Counsil Plumbing and Rooter
4.0(
331
)
Basement Drainage Channels - InstallDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+3 more

Serving Gilroy, CA and surrounding areas

Approved (Corporate)

In business since 1994

Emergency services offered

Warranties offered

"We thought we needed just our washer drain unclogged so we called the company that had fixed that before, you guys. Guys came out. Under the house they discovered rusted sewer lines. When we had our plumbing redone years ago, the company who did those did not remove the old lines. Those old lines were up against the sewer lines and were corroding our sewer lines. So we had to replace the sewer lines. A broken line just before the city line was discovered so we had to replace that too. Anyhow, we so appreciated the kind workers who smiled and waved at us. They worked around our water schedule as we have a physically disabled adult son we care for. They let us watch all the things they had to do. I took pictures and the guys were fine with that. My brand new front yard was not ruined by trenchless sewer system that went in. And my yard looks like we never had sewer lines done. It was amazing. Yes, we would recommend you to all."
Preparing a safe environment for working on a sewer line replacement.
Water heater installation with expansion tank
Additional Photos
Additional Photos
Additional Photos

+28

Response time8 hrs
Response rate100%
Recommended by81%of homeowners
Avatar for ICR Plumbing and Home Repairs - Unlicensed Contractor
ICR Plumbing and Home Repairs - Unlicensed Contractor
4.9(
18
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate

Serving Gilroy, CA and surrounding areas

Approved

In business since 2014

Free estimates

Customers say: Quality work

"Our guest house bathroom had a drain issue. ICR started the snake cable and found out that there was an obstruction on the main line. They used their camera to find out what the issue was and found out that an old cable was left in the line. They were able to call the city to work on the issue. All was done very quickly and professionally. I would use them again for sure."
Response time3 hrs
Recommended by100%of homeowners
Avatar for Fantastic Rooter, Inc.
Fantastic Rooter, Inc.
4.5(
174
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Gilroy, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"At first the company's name made us imagine they were just about clearing clogged drain lines, but we got superb service on a project to replace leaking shower faucets in the bathroom. Gerardo came to see what was needed and was very helpful in finding a quick and cost effective way to source the materials. He was completely committed to taking care of his customers. He returned to do the installation at the time we had agreed would be convenient for us, despite having been up working till all hours of the night on another emergency job. He even spent the time before returning to his emergency site to check and make sure the existing shower head was free of grit and working as it should. We absolutely will want this company, and him, for any future projects."
Outdoor Tankless w H
Before a Tankless install
After a Tankless install
Indoor Tankless & Repipe
Indoor Tankless W H

+1

Response time2 days
Recommended by96%of homeowners
Avatar for GN Central Coast Plumbing, Inc.
GN Central Coast Plumbing, Inc.
4.3(
28
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate

Serving Gilroy, CA and surrounding areas

Approved

In business since 2003

Emergency services offered

Warranties offered

"Gabriel Nieto of GN Plumbing did a fine job. He was able to visually detect a leak where the line from the propane tank enters the house, and pressure tested the gas line from the propane tank to the house to confirm the leak. With the help of his assistant, he repaired the line (replacing worn out portions of the line) within a couple of hours, confirmed there were no other leaks in the line (via additional pressure testing), and re-lit the gas furnace and water heater. Only complaint is the extreme expense ($890)."
Clog of main line
Unclog
Clog of main line
Installed a tankless water heater
Installed New toilet

+14

Response time5 hrs
Response rate88%
15 neighbors recently requested a quote
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French Drains FAQs, answered by experts

If you want to avoid using a snake to unclog a drain, or if you don’t have one, try vinegar and baking soda. Pour 1 cup of baking soda down the drain, followed by 1 cup of white vinegar. Wait for 15 minutes, and then run hot water (but not boiling water) down the drain to see if the clog is clear. Repeat multiple times as needed.

Chemical drain cleaners can work to clear clogs in pipes, but their use should be approached with caution. These harsh chemicals can damage pipes over time, and they can also harm the environment. Use them sparingly and consider alternative methods such as using a plunger or a drain snake. If you have concerns about a persistent clog, it's best to consult a professional who can safely and effectively address the issue without causing further damage to your plumbing system.

It is okay to use a drain auger on a toilet, just make sure you are using the correct tip size. The auger is a plumbing snake with a protective sleeve to protect the porcelain toilet bowl from getting scratched. Using too large of an auger can cause the snake to loop back and damage the inside of the drain and plumbing.

No, you should not see water in a sewer cleanout. If you do, it could indicate that you have a block or leak in your main sewer line—which can cause sewage to back up inside your home and potentially flood your yard. Your best bet is to call a local sewer cleaner if you notice any water or sewage around your cleanout.

The cost varies from $150 to $600, depending on the severity of the clog, pipe access, and required equipment.

The Gilroy, CA homeowners’ guide to french drain services

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