Find a foundation contractor in Seattle, WA

Find foundation companies in Seattle, WA

Find foundation companies in Seattle, WA

Share a few details and we'll show you the best foundation contractors in your area.
Zip code

Find foundation companies in Seattle, WA

Share a few details and we'll show you the best foundation contractors in your area.
Zip code

Top 10 foundation contractors in Seattle, WA

Homeowners agree: these Seattle foundation companies are highly rated for knowledge, experience, communication, and more.
Wafa Masonry

Wafa Masonry

New on HomeGuide
1 hire on HomeGuide
24+ years in business
Serves Seattle, WA
20 years experience licensed bonded insured ›Build and Repair Services ›Chimney & Fire place, Chimney sweeps, ›Brick, Block, Culture Stone ›Pavers, Retaining wall ›Tiles, Marbles, Ceramic, pressure washing ›And much more in your Home build or repair...
Gray’s Landscaping And Painting

Gray’s Landscaping And Painting

5.0(1)
3 hires on HomeGuide
8+ years in business
Serves Seattle, WA
Naoko T. says, "The landscaper did an amazing job! He was very prompt and had great attention to detail. He also took time to explain to detail how to keep my yard looking great. He got the job done quick but he had amazing attention to detail and added some nice detailing that makes my yard look superb. I am extremely happy with his quality of work and recommend him to anyone! " Read more
Eagle G Service

Eagle G Service

New on HomeGuide
2 hires on HomeGuide
7+ years in business
Serves Seattle, WA
My experience extends for 7+ years. Overall I work as a team with my clients, meaning that the service I provide gets you involved in the process of the project so you know exactly where your investment is going. I work very hard to make your visions a tangible reality with my strong work ethic and attention to detail. I love to see the satisfaction of my clients once they see the project complete. It's a great feeling afterall of the hard work is accomplished to see the finished product, but more importantly the happiness it brings out in my clients....
Taylormaed To Do It Your Way.

Taylormaed To Do It Your Way.

New on HomeGuide
Serves Seattle, WA
Over 25 years of experience with 15 years belonging and still an upstanding member of local 528, cement mason Union. Have the ability to perform a full range of concrete finishing and have knowledge and understanding of blueprints and plans. Ability to lead and assist others in  concrete finishing and have strong knowledge of principles personnel and supervision and  training. It's my priority to ensure my customers are fully satisfied with every job. From initial concept through design, permitting, construction and completion.
GOMILE CONSTRUCTION  LLC

GOMILE CONSTRUCTION LLC

5.0(1)
6+ years in business
Serves Seattle, WA
Kay G. says, "Great communicator! Kept to his bid and did good work. I have great confidence in him and will call him again." Read more
Farwest Landscape

Farwest Landscape

New on HomeGuide
2 hires on HomeGuide
9+ years in business
Serves Seattle, WA
We believe the work we do speaks for its self, please take a look at our profile pictures. About our work; The most exciting part of this job is seeing the transformation of your landscape, it can be from pallets of paver blocks to incredible patios or stacks of wood turned into pergolas or fences. We get the job done with precision and incredible results; get the quality you deserve hire the right people. From Design to build
HAUZZ

HAUZZ

5.0(1)
Offers online services
1 hire on HomeGuide
5+ years in business
Serves Seattle, WA
Terri O. says, "He responded immediately and fixed the problem and then also checked and adjusted the other sprinkler heads. Very reasonable cost. Will definitely refer him. " Read more
Nothing Too Big Concrete

Nothing Too Big Concrete

New on HomeGuide
2 hires on HomeGuide
10+ years in business
Serves Seattle, WA
We give our customers great workmanship and keep them satisfied with our products. Been during concrete work for over 25 years. We do all type of concrete work. From slaps, driveways, steps, sidewalks, retaining walls, foundations work, and etc. We have great referrals.
TT&T Contractor

TT&T Contractor

4.5(2)
4 hires on HomeGuide
29+ years in business
Serves Seattle, WA
James Z. says, "Job was completed as promised" Read more
Lux Finishing LLC

Lux Finishing LLC

5.0(4)
Offers online services
1 hire on HomeGuide
6+ years in business
Serves Seattle, WA
Kirill . says, "This company does great job! Very punctual and gave me fast quotes and price was very good. Work is excellent! " Read more

Your Foundation Contractors questions, answered

Answers to commonly asked questions from the experts on HomeGuide.

How much does it cost to install a foundation?

The cost to install a foundation depends on the type of foundation installed. The most common types of foundations are concrete slabs, pier and beam, crawl space, and basement foundations.

  • A concrete slab foundation costs about $6 to $12 per square foot for a single, poured concrete slab that rests on the ground.
  • A pier and beam foundation costs $8 to $15 per square foot and is made up of concrete or metal piers supported by beams. These foundations are common in areas with sandy or unstable soil.
  • A crawl space foundation costs $15 to $18 per square foot for the elevated foundation with enough space to crawl through. These foundations are common in warmer climates where the frost line is not deep or on sloping lots since they don't require as much excavation as other foundations.
  • A basement foundation is the most expensive at $35 to $50 per square foot. This foundation provides the most space and flexibility. A finished basement foundation can double the living space of a home.

Do you install septic before a foundation?

Yes, you generally install the septic system before pouring the foundation for a new home. The leach field and septic tank need to be located in a specific area of the property and this is easier to do before the foundation is in place. Installing septic first also allows you to have water available on-site during construction.

How much does it cost to fill in a crawl space?

Filling in a crawl space or crawl space encapsulation costs $3,000 to $8,000. Prices include basic cleaning, minor repairs, mold removal, and installing a vapor barrier, a sump pump, new insulation, and a dehumidifier. The total project cost depends on the condition and size of your crawl space, the type of insulation you choose, the thickness of the vapor barrier, and the pump and dehumidifier installed.

Crawl space encapsulation prevents excess moisture, mold growth, radon gas poisoning, and pest infestation. The process also helps alleviate allergens and pollutants to improve air quality. Another benefit of crawl space encapsulation is better insulation that can reduce energy bills by up to 20%.

How long does a poured concrete foundation last?

A poured concrete foundation can last for 80-100 years or more if it is properly constructed and well-maintained. However, a number of factors can affect the lifespan of a concrete foundation, including the quality of the concrete mix and the workmanship, the climate and soil conditions, and the amount of weight the foundation is supporting.

Some of the most common reasons a foundation fails include:

  • Poor drainage
  • Frost heave
  • Tree root invasion
  • Earthquakes and other seismic activity

How deep does a concrete foundation need to be?

Generally, a concrete foundation needs to be at least 12 inches deep to ensure the foundation is below the frost line and can support the weight of the structure. In some cases, a deeper foundation is required. If you are building in an area with a high frost line, poor soil quality, or building a very heavy structure, you may need to dig deeper.

A qualified structural engineer can help determine the appropriate depth for your concrete foundation.

What questions should I ask a foundation contractor?

Here are some questions you can ask a foundation contractor to ensure you are making the best choice for your project:

  • Is your company licensed, bonded, and insured for foundations?
  • How long have you been pouring foundations in my area?
  • What experience do you have installing my preferred foundation type?
  • What does your estimate include?
  • How long will the foundation take to install?
  • Do you have past clients I can contact or a current job site I can visit?
  • Do you offer a written estimate, contract, and timeline for the job?
  • What happens if the foundation is delayed due to weather or other unforeseen circumstances?

How do I choose a foundation contractor?

Selecting and pouring a foundation is one of the most important steps in building your new home. Choose the best foundation contractor by following these steps:

  • Get at least 3 estimates with the same foundation type to compare costs.
  • Confirm the contractor's experience with your preferred type of foundation.
  • Make sure the contractor is licensed, bonded, and insured, with 5 years of experience.
  • Look for foundation contractors with good reviews on HomeGuide and Google.
  • Ask for references from past clients and follow up to get their opinion on the work quality.
  • Confirm if the estimate includes labor, materials, and equipment costs.
  • Ask for a contract in writing that includes the costs, timeline, and warranty information.

Reviews for Seattle foundation contractors

Recent success stories from people in the Seattle area.
Brian W.
I contacted homeguide for a quote for a 2nd driveway for my RV. Vilivuni with TT&T contacted me quickly and setup an appointment to check the project. I made an addition to my initial request and he was patient and gave me a good quote. He explained the process, step by step, and made arrangements to get started right a way. He showed up when he said and did great work. He was careful to work safely and consider my property while working. I would use TT&T for any other projects that come up.
TT&T Contractor
Jonathan S.
John did an amazing job remodeling my kitchen, finished in time, full of kindness and respect to us. Highly recommended. Looking forward to hire him again
Lux Finishing LLC
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