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Top-Rated Foundation drainage installers and replacers in Longview - Updated Nov 2026

Avatar for TerraFirma
TerraFirma
4.1(
100
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"Our house is almost 130 years old, so we needed to have some foundation stabilization done. The company was a pleasure to do business with. From our initial consultation and beyond, every contact was courteous and knowledgeable. On the first day of the project, after removing the dirt to see the foundation, it was discovered that the existing foundation was not sufficient to support using the helical piers according to the building inspector. The dirt was all replaced and it was arranged to come back out and give me a quote for a different process using smart jacks. Due to circumstances at my local building department, the new job had to be postponed until a new permit could be obtained. Once that was done I was rescheduled and the job was completed in a day and a half. When the building inspector came to sign off on the permit, he raved at what a great job they had done. I would definitely recommend them to anyone who asked."
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%
117 neighbors recently requested a quote
Avatar for Pacific Waterproofing & Foundation Solutions, LLC
Pacific Waterproofing & Foundation Solutions, LLC
4.9(
8
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Did a great job just didn’t get my info to me or answer emails until I left a previous review which I have since updated with this better one. Nice fella just make sure you get receipt and warranty info when installed and payment."
Response time2 days
9 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Wrangler Specialty Const
Wrangler Specialty Const
5.0(
4
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

Approved

In business since 2020

Free estimates

Small jobs welcome

"I needed a concrete foundation for a metal building I got installed on my property. The Wrangler Specialty Const did outstanding job building the foundation true to the specifications provided. They completed the project on time and for very reasonable price."
Lean-To Shed
Custom Deck
Response time8 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Foundations First Northwest, LLC
Foundations First Northwest, LLC
5.0(
1
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"I contacted Foundations First NorthWest and a couple of other contractors when an inspection revealed some foundation settling and crawl space damage. I chose Foundations First to make the repairs because they included more work, and at a lower price, than their competitors. I can't say enough about how professional everyone at Foundations First NorthWest was, from the first meeting with the sales rep to the constant communication with office staff throughout the project. Every step was completed without a hitch -- getting permits, engineering, the repair work and county inspections. The work crews worked quickly and efficiently on both the installation of stabilizing foundation piers, and also on the crawl space repairs. And they left the work areas in a very clean condition. I highly recommend Foundations First!"
Sump Pump
High Traffic Drain
Trench Drain
Rain Drain Extension
Basecrete

+13

Response time1 day
2 neighbors recently requested a quote
Avatar for TMR Excavation
TMR Excavation
New to Angi
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

TMR Excavation LLC is a locally owned excavation company serving Southwest Washington with affordable, high-quality dirt work. We specialize in residential projects including Site prep, Shop pads, Driveway installs, land clearing, grading, trenching, drainage solutions, brush removal, and more. With 10 years of experience working for top regional contractors in both heavy civil and residential jobs, we bring the experience to the private sector — offering honest service, transparent process, expert results, and a job done right. From the first estimate to the final grade, we take pride in getting your project done for you!

8 neighbors recently requested a quote
Avatar for TerraFirma Foundation Systems
TerraFirma Foundation Systems
4.4(
238
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"I recently hired TerraFirma to raise my house several inches and level out my basement floor. Working with TerraFirma Foundations was a great experience, from start to finish. Everyone involved in the project was very friendly and professional. I was kept in the loop, as to what was happening, every step of the way. I would definitely recommend this group to anyone needing help with their foundation."
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+11

Response time7 hrs
Response rate100%
Recommended by89%of homeowners
Avatar for John's Waterproofing
John's Waterproofing
4.3(
252
)
Foundation Drainage - Install or Replace

Serving Longview, WA and surrounding areas

In business since 1974

Free estimates

Warranties offered

"Spot on! Wife was extremely happy that the crew came in and performed all work in the time estimate given. Very clean and professional. Expensive, but I had insulation that needed replacement, prior rodent infestation, and drainage issues. All now clean!"
Trim around fireplace was removed and mold found along the base
Fiberglass was drooping away from the home, removing its insulation value
Fiberglass Insulation was falling down in clumps from water weight
This window had been upgraded and given trim to give a clean and finished look
Re removed the below-grade sections of the wall and waterproofed with ThermalDry Radiant vapor barrier and installed a drain system around the interior perimeter

+41

Response time9 hrs
Response rate100%
14 neighbors recently requested a quote
Showing 1-10 of 23

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