Northwest Poly Services specializes in lifting concrete. We’re here to help our fellow residential, commercial, and municipal neighbors repair their sunken concrete slabs, walkways, and stairs. Our Pacific Northwest climate makes large demands on our soil, often causing our sidewalks, garage floors, and concrete slabs to settle and become uneven. This can lead to trip hazards, or worse, more major problems like drainage and soil erosion. Let us help! By drilling a small hole through your sinking concrete and injecting our poly foam solution, we can lift those problem areas level again. We serve Snohomish, Skagit, Whatcom, Island, and San Juan Counties. Give us a call or send us an email for a Free Estimate. Our service comes with a 25 Year Transferable Warranty and proceeds from every job go right back to the communities we live and work in.
"They raised a sunken cement sidewalk. They were punctual, efficient, explained things well, friendly, cleaned up, and did great work! Beautiful! I highly recommend them!"
Holly S on June 2022
Northwest Poly Services specializes in lifting concrete. We’re here to help our fellow residential, commercial, and municipal neighbors repair their sunken concrete slabs, walkways, and stairs. Our Pacific Northwest climate makes large demands on our soil, often causing our sidewalks, garage floors, and concrete slabs to settle and become uneven. This can lead to trip hazards, or worse, more major problems like drainage and soil erosion. Let us help! By drilling a small hole through your sinking concrete and injecting our poly foam solution, we can lift those problem areas level again. We serve Snohomish, Skagit, Whatcom, Island, and San Juan Counties. Give us a call or send us an email for a Free Estimate. Our service comes with a 25 Year Transferable Warranty and proceeds from every job go right back to the communities we live and work in.
"They raised a sunken cement sidewalk. They were punctual, efficient, explained things well, friendly, cleaned up, and did great work! Beautiful! I highly recommend them!"
Holly S on June 2022
Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the northwest Washington area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.
"Tyler, Danny, & Juan were friendly, professional, and very efficient. They cleared out all the old insulation and rodent leavings under our house Friday in 4-5 hours. Monday they installed insulation, thick white plastic and sealed up the crawl space with a de humidifier and were done by 3:30pm"
David L on May 2025
Groundworks specializes in helping homeowners with their residential and commercial foundation repair, basement waterproofing and wall repair, and concrete repair needs. Our top priority is providing high-quality home repair solutions and personalized service across the northwest Washington area. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation.
"Tyler, Danny, & Juan were friendly, professional, and very efficient. They cleared out all the old insulation and rodent leavings under our house Friday in 4-5 hours. Monday they installed insulation, thick white plastic and sealed up the crawl space with a de humidifier and were done by 3:30pm"
David L on May 2025
Using state of the art Geo-Polymer injection. Slabjack Geotechnical offers a cost effective alternative to concrete replacement and mud-jacking. Save up to 50% or more over removal and replacement costs! With years of experience, we solve customers concrete settling problems in Eastern and Central Washington and north Idaho, with locations now in Tri-cities, Wenatchee, Spokane and Puget Sound; We serve all surrounding areas. We raise sunken basements, garage floors, porches/stoops, driveways, walkways, pool decks and more. We also seal and stabilize seawalls and bulkheads, leaking culverts and large diameter concrete pipe. Check our our website www.slabjackgeotechnical.com for more information. Superior technology, Superior polymers, Superior results!
"All interactions in the job bid, approval and scheduling were friendly and professional. Dustin and Jaime did an awesome job!!! They arrived on time, went over the job in detail with me, and then went to work. As the job progressed they kept me informed of any issues that arose and made sure I was happy with the process. The final results were flawless and they left the jobsite spotless. I would hire this company again in a heartbeat!!!"
John G on October 2024
Using state of the art Geo-Polymer injection. Slabjack Geotechnical offers a cost effective alternative to concrete replacement and mud-jacking. Save up to 50% or more over removal and replacement costs! With years of experience, we solve customers concrete settling problems in Eastern and Central Washington and north Idaho, with locations now in Tri-cities, Wenatchee, Spokane and Puget Sound; We serve all surrounding areas. We raise sunken basements, garage floors, porches/stoops, driveways, walkways, pool decks and more. We also seal and stabilize seawalls and bulkheads, leaking culverts and large diameter concrete pipe. Check our our website www.slabjackgeotechnical.com for more information. Superior technology, Superior polymers, Superior results!
"All interactions in the job bid, approval and scheduling were friendly and professional. Dustin and Jaime did an awesome job!!! They arrived on time, went over the job in detail with me, and then went to work. As the job progressed they kept me informed of any issues that arose and made sure I was happy with the process. The final results were flawless and they left the jobsite spotless. I would hire this company again in a heartbeat!!!"
John G on October 2024
Rubens Landscape & Asphalt, Inc, has been in business since 2008 and has over 20+ years of experience! We specialize in all your Residential & Commercial Improvement project needs, and guarantee you a job well done! We expertly provide a wide range of services, you name it we are you professionals! We strive to exceed the building owner's expectations each and every time, and get the job done the way you want it. We work in a timely fashion and always pay attention to every critical detail. Proudly serving Ferndale, WA & surrounding areas. Free estimates. Call today and be treated with the utmost Courtesy and Respect!
"Eddy has been great to work with. He gave us frequent updates and alerted us to anything new that they uncovered during inspection. A very nice and knowledgeable crew!"
Brenda W on December 2023
Rubens Landscape & Asphalt, Inc, has been in business since 2008 and has over 20+ years of experience! We specialize in all your Residential & Commercial Improvement project needs, and guarantee you a job well done! We expertly provide a wide range of services, you name it we are you professionals! We strive to exceed the building owner's expectations each and every time, and get the job done the way you want it. We work in a timely fashion and always pay attention to every critical detail. Proudly serving Ferndale, WA & surrounding areas. Free estimates. Call today and be treated with the utmost Courtesy and Respect!
"Eddy has been great to work with. He gave us frequent updates and alerted us to anything new that they uncovered during inspection. A very nice and knowledgeable crew!"
Brenda W on December 2023
Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE!
"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"
Charles W on May 2025
Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE!
"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"
Charles W on May 2025
we are a family owned license and bonded General Contracting company that takes pride in making our clients building experience as professional and positive as humanly possible. Our clients satisfaction is our number one priority. We have a team of professional craftsman at our disposal to make sure that each project is done in a timely manner never jeopardizing quality. We are able to complete projects from start to completion with our team and partners. as CEO my company can self perform every building aspect of the job from the plans and design phase down to completion. thank you for considering our company. here is a list of what our company provides design builds custom builds Excavation All forms of concrete framing professional installation of all siding from Cedar LP, Hardy plank etc. Drywall , hanging , mud , texture specialize in top quality interior finish’s custom cabinet builds
"Michael’s work is excellent quality. High attention to detail."
sarah f on December 2024
we are a family owned license and bonded General Contracting company that takes pride in making our clients building experience as professional and positive as humanly possible. Our clients satisfaction is our number one priority. We have a team of professional craftsman at our disposal to make sure that each project is done in a timely manner never jeopardizing quality. We are able to complete projects from start to completion with our team and partners. as CEO my company can self perform every building aspect of the job from the plans and design phase down to completion. thank you for considering our company. here is a list of what our company provides design builds custom builds Excavation All forms of concrete framing professional installation of all siding from Cedar LP, Hardy plank etc. Drywall , hanging , mud , texture specialize in top quality interior finish’s custom cabinet builds
"Michael’s work is excellent quality. High attention to detail."
sarah f on December 2024
Together, Evan & Ellie have over 20 years experience within the construction industry. We are recognized across Skagit, Snohomish, Whatcom County & Eastern Washington as a General Contractor specializing in residential and commercial Excavation, concrete driveways, concrete foundations, Asphalt driveways & sealcoating, Land grading or clearing, hardscaping, retaining walls, drainage, and more!
"They were just wonderful to work with! We would highly recommond them they are honest, dependable hard working young people ,that have the greatest work ethics I have seen in years! Not to mention they do beautiful work!!!!!! We are so glad we found them!!! Thank You Evan & Ellie for a Fantastic Job!!!!!"
Randy m on March 2025
Together, Evan & Ellie have over 20 years experience within the construction industry. We are recognized across Skagit, Snohomish, Whatcom County & Eastern Washington as a General Contractor specializing in residential and commercial Excavation, concrete driveways, concrete foundations, Asphalt driveways & sealcoating, Land grading or clearing, hardscaping, retaining walls, drainage, and more!
"They were just wonderful to work with! We would highly recommond them they are honest, dependable hard working young people ,that have the greatest work ethics I have seen in years! Not to mention they do beautiful work!!!!!! We are so glad we found them!!! Thank You Evan & Ellie for a Fantastic Job!!!!!"
Randy m on March 2025
Foundation excavation, driveway and patio preparation for concrete, site preparation for building, landscaping, structure demolition, land clearing, tree removal, tree falling, tree trimming, stump removal and grinding.
"Matt was very professional, efficient with his time, competitively priced, and amicable. He avoided many things that we discovered in the ground, even after private utility location. I would absolutely hire him again for future projects and would refer him to anyone needing an excavation operator with refined skills. Thanks, Matt! Five Stars!"
Orion E on July 2024
Foundation excavation, driveway and patio preparation for concrete, site preparation for building, landscaping, structure demolition, land clearing, tree removal, tree falling, tree trimming, stump removal and grinding.
"Matt was very professional, efficient with his time, competitively priced, and amicable. He avoided many things that we discovered in the ground, even after private utility location. I would absolutely hire him again for future projects and would refer him to anyone needing an excavation operator with refined skills. Thanks, Matt! Five Stars!"
Orion E on July 2024
We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Services: Repair Underground utilities, install new, underground utilities, Grade for sidewalks and driveways, dig out for footings, clearing and grubbing of trees and debris, concrete, demolition, and haul off. Call or click for your FREE estimate today!
"Got a quick estimate and responses. The job was done in a timely manner. Very professional. Definitely would work with them again and recommend them!"
francisco f on January 2024
We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Services: Repair Underground utilities, install new, underground utilities, Grade for sidewalks and driveways, dig out for footings, clearing and grubbing of trees and debris, concrete, demolition, and haul off. Call or click for your FREE estimate today!
"Got a quick estimate and responses. The job was done in a timely manner. Very professional. Definitely would work with them again and recommend them!"
francisco f on January 2024
We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!
"RT Total Lawn made the process from inquiry to installation easy. Sara responded to my Angie’s request, answered a few questions, then came out with owner Rafael to do an estimate. We discussed drip vs in ground irrigation, agreed on a fair price then the work was scheduled and completed quickly. When done, RT’s crew did a thorough clean up and Rafael and Sara came back to do a walk through. I am 100% satisfied and look forward to working them on other projects. Great to find a local business that does quality work and cares about customer satisfaction. Highly recommend!"
Linda M on May 2025
We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!
"RT Total Lawn made the process from inquiry to installation easy. Sara responded to my Angie’s request, answered a few questions, then came out with owner Rafael to do an estimate. We discussed drip vs in ground irrigation, agreed on a fair price then the work was scheduled and completed quickly. When done, RT’s crew did a thorough clean up and Rafael and Sara came back to do a walk through. I am 100% satisfied and look forward to working them on other projects. Great to find a local business that does quality work and cares about customer satisfaction. Highly recommend!"
Linda M on May 2025
Mudjacking and foam jacking differ significantly in both materials and methods. Mudjacking uses a cement-based slurry to fill voids beneath a slab, while foam jacking uses expanding polyurethane foam delivered under high pressure to achieve superior structural support. This material distinction enhances load-bearing strength and overall stability in your repair.
Mudjacking takes between one and three days to dry completely. During this time, it's important to avoid putting weight on the slab until it's fully cured. The drying time depends on the project size and environmental conditions. In contrast, polyurethane foam used in foam jacking can cure in as little as one hour.
No, mudjacking is not a permanent fix for sinking concrete. While it effectively lifts the slab and can last five to 10 years, it doesn't address underlying soil issues that may cause future sinking. For a more permanent solution, you might consider foam jacking or complete slab replacement, which can address deeper structural problems.