4 Best Concrete Companies In Seattle (2026)

Independently ranked by our review of ratings, reviews and reputation · Updated 2026 · How we chose

By Brad Smith, Home Services Expert

Published Jan 8, 2025

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1. Groundworks
2. 1
3. Portal LLC
4. Bazor Sons Concrete
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At a glance

#	Business	Rating	Reviews
1	Groundworks	5.0 ★	493	View ›
2	1-866-SLABJACK	5.0 ★	327	View ›
3	Portal LLC	5.0 ★	58	View ›
4	Bazor Sons Concrete	5.0 ★	43	View ›

4 Best Concrete Companies In Seattle (2026)

Groundworks

5/5 493 Google reviews

Groundworks is a company that specializes in construction and repair services, particularly focused on resurfacing and structural improvements. With a reputation for professionalism and high-quality workmanship, they have garnered praise from numerous clients for their attention to detail and customer care. The team at Groundworks prides itself on not only delivering excellent results but also ensuring a smooth and communicative process throughout the project.

Professionalism: 5 ⭐⭐⭐⭐⭐
Quality of Work: 5 ⭐⭐⭐⭐⭐
Communication: 5 ⭐⭐⭐⭐⭐
Customer Care: 5 ⭐⭐⭐⭐⭐
Overall Experience: 5 ⭐⭐⭐⭐⭐

Pros

Professionalism and Expertise: The team demonstrated exceptional professionalism and knowledge in their work, leaving clients feeling confident and satisfied.
Clear Communication: Team leads took the time to explain each step of the process, ensuring clients were informed and comfortable with the work being done.
Quality of Work: Clients reported outstanding results, with projects completed to a high standard, including perfect finishing touches.
Empathy and Care: Groundworks showed genuine concern for their clients’ needs, creating a supportive environment during the construction process.
Thorough Cleanup: After the work was completed, the team ensured that the site was clean and tidy, leaving no mess behind.

Cons

Limited Availability: Due to their popularity and high demand, scheduling may be challenging at times, requiring clients to plan ahead.
Pricing Variability: While many clients found Groundworks to be competitively priced, some noted that quotes could vary significantly based on project scope.
Time Management: A few clients mentioned that while work was completed efficiently, minor delays occurred due to weather conditions.
Material Choices: Some customers expressed a desire for more options regarding materials used in their projects.
Follow-Up Services: A couple of clients felt that post-project follow-up could be improved for ongoing support.

In summary, Groundworks stands out as a premier choice for construction and repair services. Their commitment to quality, professionalism, and customer satisfaction is evident from the numerous positive testimonials. While there are minor areas for improvement, the overwhelming consensus is that Groundworks delivers exceptional results, making them a highly recommended option for those in need of construction services.

Address: 18915 16th Ave S, SeaTac, WA 98188, United States
Phone: (253) 553-3529

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1-866-SLABJACK

5/5 327 Google reviews

1-866-SLABJACK is a specialized company focused on concrete lifting and leveling services. Known for their professionalism and efficiency, they offer a range of options for scheduling and project execution, catering to both urgent and standard needs. Their commitment to quality service has earned them a solid reputation among homeowners and businesses alike.

Professionalism: 5 ⭐⭐⭐⭐⭐
Quality of Work: 5 ⭐⭐⭐⭐⭐
Communication: 5 ⭐⭐⭐⭐⭐
Customer Service: 4 ⭐⭐⭐⭐
Overall Experience: 5 ⭐⭐⭐⭐⭐

Pros

Flexible Scheduling Options: Clients appreciate the ability to choose between rushing a job or scheduling it at their convenience, which adds a layer of convenience.
Professional Team: The crew is consistently described as knowledgeable and skilled, ensuring that projects are handled expertly from start to finish.
Clear Communication: Throughout the process, clients felt well-informed and updated, which alleviated any concerns about project progress.
Impressive Results: Many customers have reported significant improvements in their concrete structures, with some projects achieving remarkable lifts.
Responsive Customer Service: When issues arose, the team was quick to address them, demonstrating a commitment to customer satisfaction.

Cons

Residual Cleanup: Some clients noted that the grinding process can leave behind residue, which may require additional cleanup efforts.
Inconsistent Experience: While most feedback is positive, a few clients experienced minor issues that were quickly resolved, indicating variability in service.
Limited Visual Documentation: A client pointed out the lack of before-and-after photos, which could enhance the understanding of the results achieved.
Material Handling: There were mentions of the crew needing to bring materials over, which may have caused minor delays.
Follow-Up Services: A couple of clients expressed a desire for more proactive follow-up after the completion of the work.

In conclusion, 1-866-SLABJACK emerges as a top-tier choice for concrete lifting and leveling services. Their blend of flexibility, professionalism, and impressive results makes them a standout option for both residential and commercial projects. While there are minor areas for improvement, the overall feedback indicates a strong commitment to quality and customer care, solidifying their reputation in the industry.

Address: 6116 211th St SW Suite 204, Lynnwood, WA 98036, United States
Phone: +18667522522

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Portal LLC

5/5 58 Google reviews

Portal LLC is a reputable concrete contractor known for their exceptional workmanship and customer service. With a focus on various concrete projects, including walls, sidewalks, and driveways, they have built a strong reputation for delivering quality results while maintaining open communication with their clients. Their dedication to customer satisfaction has earned them numerous positive reviews from satisfied customers.

Professionalism: 5 ⭐⭐⭐⭐⭐
Quality of Work: 5 ⭐⭐⭐⭐⭐
Communication: 5 ⭐⭐⭐⭐⭐
Customer Service: 5 ⭐⭐⭐⭐⭐
Overall Experience: 5 ⭐⭐⭐⭐⭐

Pros

Exceptional Communication: Clients consistently praised the clear and consistent communication throughout the project, keeping them informed every step of the way.
Quality Workmanship: The team at Portal LLC is known for their high-quality work, successfully completing complex projects like retaining walls and driveways.
Willingness to Go the Extra Mile: Many customers appreciated the company’s readiness to take on additional tasks without charging extra, showcasing their commitment to customer satisfaction.
Professionalism: The crew demonstrated professionalism and respect, which greatly contributed to a positive working relationship with clients.
Timely Completion: Projects were completed in a timely manner, often exceeding client expectations regarding the turnaround time.

Cons

Limited Availability: Due to their popularity, scheduling may require some advance planning, which could be a challenge for urgent projects.
Potential for Overwhelm: With such a high volume of positive feedback, some clients may have high expectations that could lead to pressure on the team.
Scope of Services: A few clients expressed a desire for a broader range of services beyond concrete work, indicating potential for expansion.
No Mention of Warranty: While many clients were satisfied with the work, there was no information regarding warranties or guarantees for the projects completed.
Minimal Visual Documentation: Some clients felt that before-and-after photos could enhance their understanding of the improvements made.

In summary, Portal LLC stands out as a premier concrete contractor, delivering exceptional results and maintaining excellent customer relations. Their commitment to quality workmanship, clear communication, and a willingness to accommodate client needs makes them a highly recommended choice for any concrete project. With a track record of satisfied customers, Portal LLC is poised to continue their success in the industry.

Address: 4005 45th Ave SW, Seattle, WA
Phone: +12064193880

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Bazor Sons Concrete

5/5 43 Google reviews

Bazor Sons Concrete is a well-regarded concrete contractor known for their commitment to quality and customer satisfaction. With a focus on both small and large projects, they have earned a reputation for thoroughness, professionalism, and effective communication. Their team, led by Steve, is dedicated to ensuring that every job meets client expectations while maintaining a clean and organized work environment.

Professionalism: 5 ⭐⭐⭐⭐⭐
Quality of Work: 5 ⭐⭐⭐⭐⭐
Communication: 5 ⭐⭐⭐⭐⭐
Customer Service: 5 ⭐⭐⭐⭐⭐
Overall Experience: 5 ⭐⭐⭐⭐⭐

Pros

Personable and Knowledgeable Team: Clients rave about Steve’s friendly demeanor and extensive knowledge, making the entire process enjoyable and informative.
Attention to Detail: The crew is noted for their meticulous approach, ensuring that every aspect of the project is executed to perfection.
Clear Communication: Clients appreciated the consistent updates regarding timelines and project progress, which helped alleviate any concerns.
Flexibility and Responsiveness: Bazor Sons Concrete is praised for their adaptability to changes during the project and their willingness to accommodate client needs.
Thorough Cleanup: Upon completion of the work, the team made sure to leave the site clean and tidy, demonstrating their commitment to professionalism.

Cons

Limited Service Range: While they excel in concrete work, some clients expressed a desire for additional services beyond concrete, indicating potential growth areas.
High Demand: Due to their positive reputation, scheduling may require advance planning, which could be challenging for urgent projects.
No Mention of Warranty Details: Although invoices were provided, some clients would have liked more information about warranties for the work completed.
Potential for Overcommitment: A few clients noted that Steve’s eagerness to please could lead to taking on more than initially planned, which might affect timelines.
Lack of Visual Documentation: Clients suggested that before-and-after photos could enhance the understanding of the work done.

In summary, Bazor Sons Concrete stands out as a top choice for concrete services, driven by their commitment to quality and customer satisfaction. Their friendly and knowledgeable team, led by Steve, ensures that every project is handled with care and precision. With a track record of positive experiences, Bazor Sons Concrete is highly recommended for anyone in need of concrete work.

Address: 15041 156th Pl SE, Renton, WA 98058, United States
Phone: +14254178922

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Finding the best concrete companies in Seattle can feel overwhelming, especially with so many options available. As you embark on your construction or renovation project, time is of the essence, and quality matters more than ever. Don’t settle for anything less than the finest – your dream space deserves the best foundation.

FAQ

What types of concrete services do companies in Seattle offer?

Most concrete companies in Seattle provide a wide range of services, including basic concrete slabs, decorative concrete, driveways, foundations, and concrete repairs.

How long does a typical concrete project take?

The duration of a concrete project can vary based on its size and complexity. Generally, smaller jobs may take a few days, while larger projects can extend over several weeks.

Are there any warranties offered on concrete work?

Many reputable concrete companies offer warranties on their work, typically ranging from one to five years, depending on the service. Always ask for warranty details before starting the project.

How can I ensure I’m hiring a reliable concrete company?

To find a trustworthy company, check customer reviews, verify licenses and insurance, and ask for references. Additionally, consider companies that communicate clearly and provide detailed estimates.

What should I do to prepare my site before the concrete is poured?

Preparing the site involves clearing debris, ensuring proper drainage, and marking any necessary boundaries. Discuss specific requirements with your contractor to ensure optimal results.

Conclusion

Finding the best concrete companies in Seattle is crucial for ensuring your construction or renovation project is built on a solid foundation. By understanding the factors that influence costs and knowing how to evaluate potential contractors, you can make informed decisions that lead to successful outcomes. The companies highlighted in our review not only offer quality services but also prioritize customer satisfaction, making them stand out in a competitive market. As you move forward with your project, remember that choosing the right concrete company can significantly impact the durability and aesthetics of your space, so choose wisely for lasting results.

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