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

Avatar for Clear Flow Drains & Rooter, LLC
Clear Flow Drains & Rooter, LLC
5.0(
5
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateDrain Clog or Blockage - Clear - For Business+1 more

Serving Rainier, OR and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Clear Flow Drains & Rooter LLC is your trusted local expert for professional drain cleaning and sewer services throughout the Portland–Vancouver metro area. We are locally owned, licensed, bonded, and insured, providing reliable service at honest, affordable prices.\n\nOur services include:\n\nResidential drain cleaning starting at $199\n\nMain sewer line cleaning\n\nHydro-jetting\n\nSewer camera inspections\n\nKitchen, bathroom, and laundry drains\n\nCommercial drain cleaning\n\n24/7 emergency drain services\n\nWe take pride in quality workmanship, upfront pricing, and exceptional customer service. No unnecessary upselling, no hidden surprises—just dependable solutions to get your drains flowing again!\n\nClogs Don't Stand a Chance!\n\nCall (360) 360-8462 today for fast, professional service!

5 neighbors recently requested a quote
Avatar for North Creek Construction, LLC
North Creek Construction, LLC
5.0(
44
)
Yard DrainageFoundation Drainage - Install or Replace

Serving Rainier, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Dave is meticulous, reliable, and honest. He has done a variety of projects for me from building horse fencing to creating a rock base for my new barn, as well as taking down trees, clearing brush, and helping me figure out the location of my septic drain field. One of the things I am most grateful for is his generosity with advising me on projects. I could not have built my barn myself without his expert guidance on topics like choosing a circular saw. He even helped me find a good deal on plywood! Dave has a vast knowledge base and is a super kind person. He will talk through all the options for a project from bare minimum to best possible option, and work within my budget to pick the best solution."
Large wall
Large wall
Retaining Wall
Large wall
Wall Stairs

+13

Response time1 day
Response rate94%
4 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
915
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Rainier, OR and surrounding areas

Approved (Corporate)

In business since 2021

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+20

8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for TerraFirma
TerraFirma
4.1(
100
)
Foundation Drainage - Install or ReplaceBasement Drainage Channels - Install

Serving Rainier, OR and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"We needed some posts in our basement replaced with proper footings. TerraFirma was quick to respond and quick to do the work. We are very happy with the result and would recommend."
A System Design Specialist helping a homeowner
Encapsulating a crawl space
Fleet of vehicles in our Portland, Oregon locatio
Loading up our truck for a piering job
Loading up a truck for a waterproofing job

+33

Response time10 mins
Response rate100%
114 neighbors recently requested a quote
Avatar for Kb handyman
Kb handyman
New to Angi
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving Rainier, OR and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Hi, my name is Omar. I provide reliable handyman and home repair services. I focus on quality work, honest communication, and making sure customers are satisfied. I can help with home maintenance, repairs, installations, and general improvement projects. I take pride in being dependable, professional, and respectful of every customer’s home.

3 neighbors recently requested a quote
Avatar for Horizon Construction & Development, LLC
Horizon Construction & Development, LLC
New to Angi
Basement Drainage Channels - Install

Serving Rainier, OR and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Horizon Construction & Development LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

12 neighbors recently requested a quote
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French Drains FAQs, answered by experts

Although linear drains allow water to flow quickly and efficiently, they tend to clog more easily than traditional drains. Linear drains are flush with the shower floor, allowing soap scum and hair to potentially build up. They’re also longer than other drains, allowing for more space to let debris fall into the drainpipe. 

For disposal clogs with standing water, use a sink plunger and place it over the garbage disposal drain. Push the sink plunger up and down the drain about six to eight times before lifting. If the sink drains, the clogged food particles are dislodged from the drain. If there’s still standing water, repeat the steps until the standing water clears out. 

Costs depend on clog severity, pipe condition, equipment required, and labor.

If you drop jewelry down your sink, it can cause a clog, especially if it accumulates other debris on its way down. However, that is the least of your worries if you drop your favorite jewelry down your drain. If your gold band goes tumbling down the sink drain, don’t panic—refrain from running more water down the sink, and follow the steps above.

The drain pump will naturally make a standard operational and draining sound several times throughout your dishwasher cycle. If you hear abnormally loud sounds like scraping, grinding, or clicking, you may have food debris or a piece of glass stuck in your drain filter. Avoid dishwasher repair by always scraping food off your dishes and loading the racks correctly.

The Rainier, OR homeowners’ guide to french drain services

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