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Foundation Repair · Seattle, WA/Updated June 13, 2026

The 10 Best Foundation Repair Companies in Seattle, WA

Foundation repair is critical for Seattle homes due to the region's wet climate. We ranked local providers to help you make an informed choice.

Editorially independent15 companies evaluated
cover story
★ Editor's ChoiceGroundworks Foundation Repair Seattle
96Score
Latest update · June 13, 2026: Initial ranking published. 15 Seattle-metro foundation repair businesses evaluated, top 10 ranked by Vetted Score.

In Seattle, a strong foundation is essential for protecting your home from the region's heavy rainfall and potential soil movement. With the wet climate, foundation issues can quickly escalate, making timely repairs crucial.

To create this list, we evaluated 15 foundation repair companies in the Seattle area, focusing on their Vetted Scores, customer reviews, and overall reputation. The result is a ranking of the top 10 providers who can effectively address your foundation needs.

15foundation repair companies evaluated in Seattle
4.81average rating across the field
1.8Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does foundation repair cost in Seattle? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

Groundworks Foundation Repair Seattle

★★★★★4.8(807 reviews)

With a stellar rating of 4.8 based on 807 reviews, Groundworks Foundation Repair Seattle is highly praised for their responsive customer service and thorough inspections.

Read full review
Best Value
94Score

Ram Jack West

★★★★★4.8(146 reviews)

Ram Jack West holds a solid rating of 4.8 from 146 reviews.

Read full review
Most Reviewed
93Score

Expert Masonry and Foundation Repairs

★★★★★4.9(72 reviews)

Expert Masonry and Foundation Repairs earns a commendable 4.9 rating from 72 reviews.

Read full review

All 10, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
4.8★★★★★
807Homeowners needing reliable foundation repairs and waterproofing
2
Ram Jack West
Ram Jack West
Best Value
94Score
4.8★★★★★
146Homeowners looking for cost-effective foundation solutions
3
93Score
4.9★★★★★
72Homeowners needing quality masonry and foundation repairs
4
90Score
4.7★★★★★
315Homeowners needing comprehensive assessments and drainage solutions
5
88Score
4.9★★★★★
62Homeowners seeking responsive masonry and foundation repairs
6
85Score
5.0★★★★★
40Homeowners needing urgent foundation repairs
7
85Score
5.0★★★★★
40Homeowners with moisture issues needing prompt solutions
8
83Score
5.0★★★★★
34Homeowners needing basement waterproofing
9
80Score
5.0★★★★★
29Homeowners needing reliable waterproofing and repair
10
78Score
4.9★★★★★
33Homeowners needing general foundation repairs
Methodology

How we evaluated all 15 foundation repair companies.

We assessed each company based on their customer ratings, review volume, and service offerings. Our scoring system is transparent, with no company paying for placement, ensuring an unbiased ranking.

This list is regularly updated to reflect the latest customer feedback and market trends. Each month, we refresh our evaluations to maintain accuracy and relevance in a competitive field.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Groundworks Foundation Repair Seattle

★★★★★4.8(807 reviews)
96Score

With a stellar rating of 4.8 based on 807 reviews, Groundworks Foundation Repair Seattle is highly praised for their responsive customer service and thorough inspections. They excel at foundation repairs and waterproofing, making them a solid choice for homeowners needing reliable service. However, their pricing may be on the higher side compared to some competitors.

Pros

  • Highly responsive customer service
  • Thorough inspections
  • Expertise in waterproofing

Cons

  • Higher pricing compared to some competitors
  • Limited availability during peak seasons
Best forHomeowners needing reliable foundation repairs and waterproofing
Service areaSeattle, WA
Typical pricing$1,500 to $5,000
2
Best Value

Ram Jack West

★★★★★4.8(146 reviews)
94Score

Ram Jack West holds a solid rating of 4.8 from 146 reviews. Customers appreciate their fair pricing and knowledgeable technicians. They are particularly known for effective foundation stabilization solutions. However, with fewer reviews, some may find their reputation less established compared to the top contender. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is homeowners looking for cost-effective foundation solutions. It serves Seattle, WA, with $1,200 to $4,000 pricing, and the honest trade-offs are fewer reviews than top competitors and limited service offerings.

Pros

  • Fair pricing
  • Knowledgeable technicians
  • Effective foundation stabilization

Cons

  • Fewer reviews than top competitors
  • Limited service offerings
Best forHomeowners looking for cost-effective foundation solutions
Service areaSeattle, WA
Typical pricing$1,200 to $4,000
3
Most Reviewed

Expert Masonry and Foundation Repairs

★★★★★4.9(72 reviews)
93Score

Expert Masonry and Foundation Repairs earns a commendable 4.9 rating from 72 reviews. Customers highlight their craftsmanship and attention to detail, making them a top choice for masonry work alongside foundation repairs. However, their limited number of reviews may raise questions about their long-term reliability. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners needing quality masonry and foundation repairs. It serves Seattle, WA, with $1,000 to $3,500 pricing, and the honest trade-offs are limited number of reviews and less experience compared to larger firms.

Pros

  • High-quality craftsmanship
  • Attention to detail
  • Specialization in masonry

Cons

  • Limited number of reviews
  • Less experience compared to larger firms
Best forHomeowners needing quality masonry and foundation repairs
Service areaSeattle, WA
Typical pricing$1,000 to $3,500
4

R&R Foundation Specialist

★★★★★4.7(315 reviews)
90Score

R&R Foundation Specialist has a 4.7 rating from 315 reviews, with many customers praising their thorough assessments and effective solutions. They are well-regarded for foundation repair and drainage systems. However, some reviews mention that scheduling can be challenging during busy periods. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is homeowners needing comprehensive assessments and drainage solutions. It serves Seattle, WA, with $1,500 to $4,500 pricing, and the honest trade-offs are challenging scheduling during peak times and mixed experiences on follow-ups.

Pros

  • Thorough assessments
  • Effective solutions
  • Good for drainage systems

Cons

  • Challenging scheduling during peak times
  • Mixed experiences on follow-ups
Best forHomeowners needing comprehensive assessments and drainage solutions
Service areaSeattle, WA
Typical pricing$1,500 to $4,500
5

Embassy Masonry And Foundation Repairs

★★★★★4.9(62 reviews)
88Score

Embassy Masonry and Foundation Repairs holds a 4.9 rating from 62 reviews. Customers appreciate their responsiveness and the quality of their work, especially in masonry repairs. However, the limited number of reviews may leave some potential clients uncertain about their long-term reliability. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners seeking responsive masonry and foundation repairs. It serves Seattle, WA, with $1,200 to $3,000 pricing, and the honest trade-offs are limited reviews and less established reputation.

Pros

  • Responsive service
  • Quality masonry repairs
  • Good communication

Cons

  • Limited reviews
  • Less established reputation
Best forHomeowners seeking responsive masonry and foundation repairs
Service areaSeattle, WA
Typical pricing$1,200 to $3,000
6

Seattle Elite masonry and foundation repair

★★★★★5.0(40 reviews)
85Score

Seattle Elite Masonry and Foundation Repair has a perfect 5.0 rating from 40 reviews. Customers rave about their professionalism and quick turnaround times. They are a great choice for urgent repairs. However, their smaller review base means their reliability is still being established. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners needing urgent foundation repairs. It serves Seattle, WA, with $1,000 to $3,500 pricing, and the honest trade-offs are small review base and potentially limited service capacity.

Pros

  • Professional service
  • Quick turnaround
  • Highly rated by customers

Cons

  • Small review base
  • Potentially limited service capacity
Best forHomeowners needing urgent foundation repairs
Service areaSeattle, WA
Typical pricing$1,000 to $3,500
7
85Score

Seattle Advanced Waterproofing & Foundation Repairs also enjoys a perfect 5.0 rating from 40 reviews. Customers commend their expertise in waterproofing solutions and prompt service. They are ideal for homeowners facing moisture issues. However, their limited number of reviews could be a concern for some. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners with moisture issues needing prompt solutions. It serves Seattle, WA, with $1,200 to $3,800 pricing, and the honest trade-offs are limited reviews and small team may affect availability.

Pros

  • Expertise in waterproofing
  • Prompt service
  • Highly rated

Cons

  • Limited reviews
  • Small team may affect availability
Best forHomeowners with moisture issues needing prompt solutions
Service areaSeattle, WA
Typical pricing$1,200 to $3,800
8

KG Basement Waterproofing Seattle

★★★★★5.0(34 reviews)
83Score

KG Basement Waterproofing Seattle holds a 5.0 rating from 34 reviews, with customers praising their thoroughness and effective waterproofing solutions. They are particularly suited for basement waterproofing. However, their limited review base might make potential clients hesitant. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners needing basement waterproofing. It serves Seattle, WA, with $1,000 to $3,000 pricing, and the honest trade-offs are small review base and limited range of services.

Pros

  • Thorough service
  • Effective waterproofing
  • Highly rated

Cons

  • Small review base
  • Limited range of services
Best forHomeowners needing basement waterproofing
Service areaSeattle, WA
Typical pricing$1,000 to $3,000
9
80Score

Seattle Quality Waterproofing and Foundation Repair has a 5.0 rating from 29 reviews. Customers note their quality workmanship and reliable service. They are a solid choice for both waterproofing and foundation repairs. However, the small number of reviews may leave some uncertain about their overall reliability. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners needing reliable waterproofing and repair. It serves Seattle, WA, with $1,200 to $3,500 pricing, and the honest trade-offs are small review base and limited service offerings.

Pros

  • Quality workmanship
  • Reliable service
  • Highly rated

Cons

  • Small review base
  • Limited service offerings
Best forHomeowners needing reliable waterproofing and repair
Service areaSeattle, WA
Typical pricing$1,200 to $3,500
10

Jet City Foundation & Construction LLC

★★★★★4.9(33 reviews)
78Score

Jet City Foundation & Construction LLC has a 4.9 rating from 33 reviews. Customers appreciate their friendly staff and quality repairs. They are suitable for general foundation repair needs. However, their limited number of reviews raises questions about their long-term reliability and experience. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is homeowners needing general foundation repairs. It serves Seattle, WA, with $1,000 to $3,500 pricing, and the honest trade-offs are limited reviews and less established reputation.

Pros

  • Friendly staff
  • Quality repairs
  • Good customer service

Cons

  • Limited reviews
  • Less established reputation
Best forHomeowners needing general foundation repairs
Service areaSeattle, WA
Typical pricing$1,000 to $3,500
Before you book

How to choose a foundation repair company in Seattle

Selecting the right foundation repair company is critical for the longevity of your home. Here are key questions to ask potential providers before making your choice.

What is your experience with local soil conditions?

Understanding Seattle's unique soil and weather patterns is essential for effective repairs.

Can you provide references from past clients?

Hearing from previous customers can give you insights into the company's reliability and quality of work.

What warranties do you offer on your services?

A solid warranty indicates confidence in the work and can protect you from future issues.

What it costs

What foundation repair costs in Seattle

Minor repairs$500 to $1,500 for small cracks and settling issues.
Moderate repairs$1,500 to $5,000 for more extensive issues requiring underpinning or drainage solutions.
Major repairs$5,000 to $15,000 for significant structural damage or complete foundation replacement.
Emergency repairs$15,000 and up for urgent situations that require immediate attention.

Frequently asked questions

How much does foundation repair cost in Seattle?

Foundation repair costs in Seattle typically range from $2,000 to $10,000, depending on the extent of the damage and the specific repairs needed.

What should I look for in a foundation repair company?

Look for companies with strong ratings and a significant number of reviews. In Seattle, firms like Groundworks Foundation Repair Seattle and Ram Jack West have established trust with hundreds of reviews.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Seattle homeowners: <strong>Groundworks Foundation Repair Seattle</strong>

For reliable foundation repair, Groundworks Foundation Repair Seattle is the clear choice. With a solid rating of 4.8 from 807 reviews, they have a proven track record in the area. If you have a smaller project or prefer a company with fewer reviews, consider Ram Jack West, also rated 4.8 but with only 146 reviews, making them a less established option. Alternatively, Expert Masonry and Foundation Repairs is an excellent pick for those seeking a slightly different specialization, holding a 4.9 rating from 72 reviews.