4.5 
462 *The Angi rating for French Drain Service companies in Cotati, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their French Drain Service needs.
*The HomeAdvisor rating for French Drain Service companies in Cotati, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their French Drain Service needs.
Last update on February 07, 2026
Serving Cotati, CA and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"He has a hydroblaster unit that is better for surface drains."
Serving Cotati, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Kitchen drain line backup. They cleared it like a champ!"
Serving Cotati, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Just overall great customer service!"
+2
Serving Cotati, CA and surrounding areas
Approved
Super Service Award Winner
In business since 1982
Free estimates
Emergency services offered
"Brad Sayre Landscaping surpassed our expectations. They were honest, upfront and fair with the bid and with our design changes/add-ons. They completed the job (with additions) within their estimated time frame. We were happy with the communication regarding our design and planting requests. They took our basic plan and with their expertise, adapted it to our yard with amazing results. The fieldstone walls and the exceptional flagstone staircase are now the centerpiece of our new back yard. We asked for a low maintenance, low water, functional back yard and they knocked it out of the park."
+10
Serving Cotati, CA and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
BluDog Rooter & Plumbing Co. is a local, family-owned and operated plumbing company proudly serving homeowners throughout Sonoma County. Formerly Yorkshire Plumbing & Drain Services, we’re the same local owners, team, and commitment to quality service—just with a new name.\n\nWith more than 20 years of construction experience and over a decade specializing in residential service plumbing, we believe in doing things the right way: honest recommendations, clear communication, quality workmanship, and treating your home with respect.\n\nFrom clogged drains and sewer problems to water heaters, leaks, gas lines, plumbing repairs, and installations, our goal is simple: make your plumbing problem a little less stressful.\n\nBluDog Rooter & Plumbing Co. is fully licensed and insured (CA License #1108627) and proudly locally owned right here in Sonoma County.\n\nYour home’s best friend.
Serving Cotati, CA and surrounding areas
Approved
In business since 1968
Free estimates
Small jobs welcome
"Super helpful in scoping it out and then quick completion"
Serving Cotati, CA and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Chris was right on time, very professional and informed me about how things work. Very knowledge. I would not hesitant to recommend CA Shamrock! Exemplary service!"
Serving Cotati, CA and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Credit card accepted
"Ask for Ryan. See my review."
+1
Serving Cotati, CA and surrounding areas
Approved
In business since 2025
Emergency services offered
Warranties offered
"Jesus was very professional in explaining and showing me what was going on with my drains. Out of the bids I got to replace my house drain we was the most responsible and very knowledgeable. 20k for three bathrooms under crawl space"
+7
Serving Cotati, CA and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Jose installed a French drain and piping for the downspouts to drain into. Jose was very prompt and courteous. He kept me updated throughout the course of the project."
+25
From average costs to expert advice, get all the answers you need to get your job done.
A French drain costs around $9,250 to install, but several factors will determine the final price you pay. Learn the cost to install French drains in this guide.
Inspecting and cleaning your French drain regularly is important for its function and longevity. Learn all about French drain maintenance.
You’ve decided on a French drain system but need to determine whether the drain holes should face up or down. Our guide can point you in the right direction—literally.
French drains help keep water away from the interior and exterior of your home. There are three different French drains to choose from, based on where water collects.
How much water can a French drain handle? Find out a French drain’s drainage capacity and the factors that impact it.
How deep is a french drain buried and how does it work? Learn how deep a french drain needs to be to work properly and other aspects to consider.
