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    Verified french drain services reviews

Top-Rated French drain pros in Stevenson Ranch - Updated Nov 2026

Avatar for California Drains Incorporated
California Drains Incorporated
5.0(
30
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateSump Pump or Interior Foundation Drains - Install+2 more

Serving Stevenson Ranch, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I contacted California Drains because my parent's home was completely backed up to the point where dirty water was coming out from the drains inside and outside their home. They promptly answered and booked me in the same day. They were able to contain the water from continuing to come out of the drains overnight and returned the next day first thing in the morning to get the problem fixed. Price was very reasonable, and the workers were very professional. Left everything clean and drains were completely cleared. It has been months since they came and there has not been an issue since. 10/10 will highly recommend to family and friends."
Water Main Repair
Water Main Shut Off Valve
3/4" Pressure Regulator
Clean Out Installation
Sewer Spot Repair

+11

Response time10 hrs
Response rate97%
141 neighbors recently requested a quote
Avatar for San Fernando valley Emergency Drain Pros
San Fernando valley Emergency Drain Pros
5.0(
12
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving Stevenson Ranch, CA and surrounding areas

Approved

In business since 2018

Emergency services offered

Warranties offered

"Complete professionals. I work with many plumbers in my line of work, and you can always tell the good ones from the bad. Some are strong on service but weak on communication, while others communicate well but constantly push back appointments. Emergency Drain Pros excels at everything. I’ve used Tony and his team multiple times and consistently receive excellent service."
Burbank Hills
Burbank Hills
Burbank Hills
Burbank Hills
Burbank Hills

+1

5 neighbors recently requested a quote
Diplomat Claude Leblanc
4.7(
32
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+2 more

Serving Stevenson Ranch, CA and surrounding areas

Approved

In business since 1986

Free estimates

Credit card accepted

"Mike and Jonathan were very helpful in dealing with water I found coming from under the house. They took their time explaining the issue. They were courteous and easy to talk to. I’ll call them again."
Response time8 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Encore Builders, Inc.
Encore Builders, Inc.
5.0(
149
)
Foundation Drainage - Install or ReplaceYard Drainage

Serving Stevenson Ranch, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"We chose encore builders among 5 bids for our backyard. We are very happy with the results. Oz spent time explaining what the detail endured and the whole crew was on time always. Really great guys. Brandon and Oz know customer service. They were available 24/7 to answer questions. I work late hours and was only able to talk via phone late evening- and Brandon always made himself available. He’s truly the best business owner I’ve ever met in my life. I even invited him over for a beer once the project was over that’s how much I connected with these guys. As far as the project goes- we did new pool plaster, artificial turf, a split drain, and new pool equipment. Everything looks great. The grass is nice and green and really makes the backyard look beautiful. Already recommended these guys to two friends and will be recommending to the whole neighbourhood. Easy five stars."
Turf
Turf
Turf
Turf
Turf

+70

Response time1 day
Response rate99%
5 neighbors recently requested a quote
Avatar for Drainex Sewer & Plumbing
Drainex Sewer & Plumbing
5.0(
5
)
Drain Line Breakage - Camera Locate

Serving Stevenson Ranch, CA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"WONDERFUL Company!! I finally decided to have my main line replaced, from the house, all the way to the city sewer line in the middle of the street. Drainex gave me the best estimate, and I really liked the owner when he came to give the estimate. They came on time, finished the job in two days, just like he said, they cleaned up really well, and asked if there was anything else they could do for me before they left. I highly recommend them for any plumbing job."
Sewer replacement
Sewer replacement
Sewer replacement
Sewer replacement
Sewer replacement

+1

26 neighbors recently requested a quote
Avatar for Harris Plumbing repairs 24/7
Harris Plumbing repairs 24/7
5.0(
8
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate - For Business

Serving Stevenson Ranch, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Harry from Harris Plumbing did a great iob for us. We had a stuck kitchen faucet that needed replacement and he did the job quickly for a reasonable price. He also repaired a small leak that we had without charging us more. He also responded very quickly to our texts. Would definitely keep him in my contacts if plumbing issues ever come up again."
Kitchen Faucet replacment
Tankless instalation.
Tankless instalation.
...
Showing 1-10 of 500
French Drains FAQs, answered by experts

Usually it’s fine to leave a toilet clogged overnight, as long as it’s not close to overflowing. In some cases, the extra time may give the clog time to work itself out. For example, if it’s caused by an excess of toilet paper, letting it sit could result in the clog dissolving and you may be able to simply flush it away by the time you wake up. 

Only let it sit though if you have more than one toilet in the home.

If you try a drain snake and various DIY methods for unclogging drains to no avail, bring in a professional plumber to assess the situation. Also, if multiple drains in your home are backing up or you smell sewage, a visit from a plumber is best. You can expect your drain cleaning costs to fall around $250, and this can include an assessment of what’s caught in your plumbing and if there’s a larger, underlying problem. You should also consider calling a pro if you need to snake a toilet, as DIYing this could lead to a cracked fixture.

Professional plumbers use many high-grade chemicals to unclog drains. Many use hydrochloric acid, known as muriatic acid, when it comes to extreme blockages. 

Anything from debris, rust, ice, and even poor installation can cause clogs in your plumbing vents. Some signs of a clog include slow drains, gurgling sounds in drains and toilets, and bad odors. The bad odors are the most concerning, as these can include methane and hydrogen sulfide. Contact a plumber to come take a look if you notice any of these signs.

You should inspect and clean your French drain at least once per year to keep it in good working order. Regular maintenance can help identify clogs, buildup, and damage before they become bigger problems, which increases the lifespan of your drain. The frequency with which a drain clogs can depend on factors like the amount of debris, the quality of the installation, and the type of filter used. If your drain accumulates a lot of sediment, it may require more frequent cleaning. It's also a good practice to check the access and exit points after heavy storms. If you notice reduced drainage or any signs of a clog, clean the drain as soon as possible.

The Stevenson Ranch, CA homeowners’ guide to french drain services

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