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Best 5 Foundation Repair Companies in Portland, OR

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Last Updated October 31, 2023

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Your foundation doesn't just keep your Portland home stable. It also stands guard against water damage and erosion. You should consult a foundation professional as soon as you can after noticing shifting or cracking walls. Start your foundation company search with these Portland providers.

5 Best Foundation Repair Companies in Portland

Drain Hound Logo
Top rated

Drain Hound

4.7/5

Services Offered

Foundation Replacement Retaining Walls Driveways Inspection Leveling Foundation Installation Foundation Repair

Pros

  • Free quotes
  • Good customer service
  • Transparent pricing
7202 Ne Hwy 99 Ste 106, Vancouver, WA 360-953-9390 drainhound.com drainhound.com
Portland Construction Solutions Logo

Portland Construction Solutions

4.7/5

Services Offered

Foundation Replacement Sidewalks Garages Retaining Walls Concrete Masonry Foundation Repair

Pros

  • Good customer service
  • Free quotes
  • Helps educate customers
14915 Sw 72nd Ave, Portland, OR 503-908-0822 pdxcs.com pdxcs.com
Cornel's Plumbing Inc. Logo

Cornel's Plumbing

4.7/5

Services Offered

Foundation Repair Foundation Installation Foundation Replacement Maintenance

Pros

  • Transparent pricing
  • Helps educate customers
  • Good customer service
14271 Nw Science Park Dr, Portland, OR 503-523-4854 cornelsplumbing.com cornelsplumbing.com
Noyes Development Co Logo

Noyes Development Co

4.7/5

Services Offered

Garages Maintenance Retaining Walls Leveling Inspection Foundation Repair Foundation Installation

Pros

  • Good customer service
  • Punctual service
  • Helps educate customers
16305 Nw Bethany Ct #101, Beaverton, OR 503-466-9191 noyesdevelopment.com noyesdevelopment.com
Rock Solid Waterproofing Logo

Rock Solid Waterproofing

4.7/5

Services Offered

Foundation Installation Retaining Walls Foundation Repair Sump Pumps Crack Repair Foundation Waterproofing Garages Concrete

Pros

  • Free quotes
  • Helps educate customers
  • Good customer service
1220 Main St Ste 400, Vancouver, WA 360-887-0421 rocksolidwaterproofing.com rocksolidwaterproofing.com

More Local Foundation Repair Companies

GreenSavers - Portland

User Reviews: 4.7/5

3029 SE 82nd Ave
Portland, OR 97266

Vantucky Foundation Repair Experts

User Reviews: 4.7/5

16010 SE Mill Plain Blvd #54
Vancouver, WA 98684

Almighty Construction NW

User Reviews: 4.6/5

1035 SE 190th Ave, 3410 Clark Ave
3410 Clark Ave, OR 97233

Masonry Waterproofing, and Drainage Masters

User Reviews: 4.6/5

1905 SE Division St
Portland, OR 97202

System Pavers

User Reviews: 4.6/5

17505 Pilkington Rd
Lake Oswego, OR 97035

Earthquake Tech

User Reviews: 4.5/5

2310 N Kerby Ave
Portland, OR 97227

Mosaik Design & Remodeling

User Reviews: 4.4/5

112 SW Hamilton St
Portland, OR 97239

Dr. Crawlspace

User Reviews: 4.4/5

10121 SE Sunnyside Rd #300
Clackamas, OR 97015

Space Down Under LLC

User Reviews: 4/5

1901 SE 11th Ave
Portland, OR 97214

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.


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Facts about Portland
Average Max Temp: 58°F
Average Min Temp: 43°F
Average Monthly Precipitation: 5.06"
Percent of Homes With Basements 80%
Average Cost of Foundation Repair: $2,374
Average Cost of Foundation Waterproofing: $0

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Causes of Foundation Problems in Portland

Some typical reasons why Portland homeowners deal with foundation problems include:

  • Improper modifications: Landscaping or roofing work that wasn't performed properly could lead to your foundation settling.
  • Aging plumbing: The average Portland home construction year is 1969. If you live in an older home, it's likely to have cast-iron plumbing. When the pipes start eroding, leaking water could reach your foundation and even pool beneath it.
  • Soil composition: Soil with large sand or clay concentrations is highly expansive. In the heavy rainfall Portland receives, the soil soaks up moisture like a sponge, then releases it in dry seasons. The constant expansion and contraction presses against nearby foundations, even if the foundations keep dry.

How to Choose the Best Foundation Repair Company

When choosing a foundation contractor, you should consider your personal priorities. Ask each company on your list about the following qualities.

Licensing and Experience

Oregon foundation repair companies need either a Residential General Contractor or Residential Specialty Contractor license from the state Construction Contractors Board. To further understand your contractor's experience, we recommend asking questions about how the company inspects foundations, what local codes apply to your project, and how its team will draft plans and pull permits.

Contractor websites are some of the best places to do your research. Typically, a foundation company will display how long it's been operating. It might also publish other content to assist potential clients.

Customer Reviews

We advise looking into the company's Better Business Bureau (BBB) profile to see whether it's accredited and has a good customer review score. You can check whether other homeowners have expressed satisfaction or filed complaints. Pay special attention to what customers say about company warranties. Complaints don't mean a contractor is bad news. BBB reviews show how the company addressed complaints. It's a good sign if the company has fixed issues proactively and appropriately. You should stay away from a company with many negative reviews, no accreditation, and no communication regarding issues.

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Frequently Asked Questions About Foundation Repair in Portland

What will I pay to repair my foundation in Portland?

Foundation repair costs about $2,400 in Portland. The final numbers depend on what type of repair you need and how severe the damage is.

What are some signs I need foundation waterproofing?

You'll typically need to waterproof your foundation when you see any of these signs:
  • Flooding
  • Uneven floors
  • Discoloration or odors
  • Mold and mildew
  • Hairline cracks
  • Plumbing leaks
You should also know about the two different types of waterproofing. Interior waterproofing uses sump pumps, drains, and basement and crawlspace sealants. Exterior waterproofing, the less expensive option, involves exterior drains and physical barriers between your landscaping and foundation.

Do Portland foundation repair companies offer warranties or guarantees?

Many foundation repair services offer warranties. It's important to confirm these warranties with your chosen company and understand the details.

What are some "red flags" indicating a foundation company to avoid?

Some "red flags" indicating a foundation company to avoid include poor customer reviews, insufficient credentials, hidden fees, aggressive marketing strategies, inadequate warranty coverage, and unresponsive customer service.

More Foundation Resources

National Foundation Repair Ranking Methodology

Mold Remediation Cost Guide

Sources

U.S. Census Bureau (American Communities Survey)