
Get matched with top foundation repair specialists in Wilmington, DE
There are 17 highly-rated local foundation repair specialists.
Need a pro for your foundation repair project in Wilmington, DE?
TRUSTED BY WILMINGTON, DE HOMEOWNERS
4.2
Average homeowner rating116
Verified foundation repairs reviews
Verified Reviews for Foundation Repair pros in Wilmington, DE
*The Angi rating for Foundation Repair companies in Wilmington, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
*The HomeAdvisor rating for Foundation Repair companies in Wilmington, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
Last update on September 13, 2025
Foundation repair specialists in Wilmington

Martin's Home Improvement
Martin's Home Improvement
I have been doing home remodeling for 12 years Please call us for all your home remodeling needs 100% quality work guaranteed
"Martin's got it done right, on budget and on time. Martin and Ivan were great to work with. We love our new bathroom and connecting room. They did drywall, flooring, toilet and sink/vanity install."
Cameron B on September 2025
I have been doing home remodeling for 12 years Please call us for all your home remodeling needs 100% quality work guaranteed
"Martin's got it done right, on budget and on time. Martin and Ivan were great to work with. We love our new bathroom and connecting room. They did drywall, flooring, toilet and sink/vanity install."
Cameron B on September 2025

Basement Waterproofing Nationwide Inc
Basement Waterproofing Nationwide Inc
Founded in 1987, Steve Taylor was passionate about providing homeowners with an honest approach to basement waterproofing and delivering exceptional customer service for every job. BWN swiftly built a reputable, trusted brand spanning across Maryland and Delaware. Today, as we look back over 35 years of business, our employee dedication and steadfast customer loyalty continue to fuel BWN’s success. This is best demonstrated by BWN’s abundant referral business and 55,000+ customers.
"Quick, efficient, super communication, great cleanup. Highly recommend."
Ellen H on October 2022
Founded in 1987, Steve Taylor was passionate about providing homeowners with an honest approach to basement waterproofing and delivering exceptional customer service for every job. BWN swiftly built a reputable, trusted brand spanning across Maryland and Delaware. Today, as we look back over 35 years of business, our employee dedication and steadfast customer loyalty continue to fuel BWN’s success. This is best demonstrated by BWN’s abundant referral business and 55,000+ customers.
"Quick, efficient, super communication, great cleanup. Highly recommend."
Ellen H on October 2022

Quality 1st Basement Systems, Inc
Quality 1st Basement Systems, Inc
Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]
"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."
John M on January 2024
Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]
"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."
John M on January 2024

Dry Tech Waterproofing Solutions
Dry Tech Waterproofing Solutions
We are a locally owned and operated basement waterproofing company with over 25 years experience. With over 10 years of servicing the tri-state area, we have many satisfied customers. In addition to our quality workmanship, our warranty is among the best in the industry! Call now for your FREE, no obligation, in home estimate.
"Great! Not going to lie, they are expensive. But they were quick, professional, and efficient. Completed the repairs and clean-up immaculately. Great job!"
Edward B on May 2023
We are a locally owned and operated basement waterproofing company with over 25 years experience. With over 10 years of servicing the tri-state area, we have many satisfied customers. In addition to our quality workmanship, our warranty is among the best in the industry! Call now for your FREE, no obligation, in home estimate.
"Great! Not going to lie, they are expensive. But they were quick, professional, and efficient. Completed the repairs and clean-up immaculately. Great job!"
Edward B on May 2023

Waterproofing One
Waterproofing One
Family owned. Over thirty years in business. Free estimates, all work guaranteed. Waterproofing One, now proudly serving central and south New Jersey, provides basement waterproofing, foundation repair, and mold remediation to the Greater Philadelphia, PA, area, including Montgomery, Chester and Delaware counties. If you are concerned about maintaining the value of your property, then saving your foundation from the results of water damage is a must. Basement leaks can lead to a cracked foundation and the growth of unhealthy mold. Not only do we guarantee to have low prices, but all of our work is warranted. We are licensed, insured and certified for your protection, and accredited by the BBB. Call Waterproofing One today to schedule your free estimate! We are currently licensed for the Delaware and New Jersey area, please see below licensing information. Delaware Licensing Number- 17-92051-13-000 New Jersey Licensing Number-13vh09291700
"From the first contact they were very responsive, friendly, and professional. They came right in on the estimate price and got the job done quickly with top quality work. I will definitely hire them again in the future."
Michael M on March 2021
Family owned. Over thirty years in business. Free estimates, all work guaranteed. Waterproofing One, now proudly serving central and south New Jersey, provides basement waterproofing, foundation repair, and mold remediation to the Greater Philadelphia, PA, area, including Montgomery, Chester and Delaware counties. If you are concerned about maintaining the value of your property, then saving your foundation from the results of water damage is a must. Basement leaks can lead to a cracked foundation and the growth of unhealthy mold. Not only do we guarantee to have low prices, but all of our work is warranted. We are licensed, insured and certified for your protection, and accredited by the BBB. Call Waterproofing One today to schedule your free estimate! We are currently licensed for the Delaware and New Jersey area, please see below licensing information. Delaware Licensing Number- 17-92051-13-000 New Jersey Licensing Number-13vh09291700
"From the first contact they were very responsive, friendly, and professional. They came right in on the estimate price and got the job done quickly with top quality work. I will definitely hire them again in the future."
Michael M on March 2021

Groundworks
Groundworks
Established in 1997, Groundworks is a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across Philadelphia & New Jersey, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! PA158514 (PA)
"Tyrell did an excellent job correcting the mistakeS of the people who installed my basement waterproofing equipment. There was a terrible rotten egg smell and that's gone now. Tyrell cleaned up after himself, if any water spilled he made sure to vacuum it up and to dispose of everything in the proper place."
Alexander M on September 2023
Established in 1997, Groundworks is a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across Philadelphia & New Jersey, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! PA158514 (PA)
"Tyrell did an excellent job correcting the mistakeS of the people who installed my basement waterproofing equipment. There was a terrible rotten egg smell and that's gone now. Tyrell cleaned up after himself, if any water spilled he made sure to vacuum it up and to dispose of everything in the proper place."
Alexander M on September 2023

Best Buy Waterproofing, LLC
Best Buy Waterproofing, LLC
With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!
"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."
Arsalan S on November 2024
With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!
"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."
Arsalan S on November 2024
GRIMALDI CONTRACTORS
GRIMALDI CONTRACTORS
We are a general contracting company offering residential and commercial repair, restoration and renovation services. Our company specializes in addressing and repairing structural issues, and we work with highly qualified structural engineers to provide the safest and most effective repair and reinforcement strategy. We maintain experienced carpentry, masonry and painting crews to provide full service on all projects. We will coordinate work with electrical and plumbing sub-contractors to maximize efficiency. We work with insurance companies to address and repair damages.
"It went very good. They did there job so well"
Ray C on August 2021
We are a general contracting company offering residential and commercial repair, restoration and renovation services. Our company specializes in addressing and repairing structural issues, and we work with highly qualified structural engineers to provide the safest and most effective repair and reinforcement strategy. We maintain experienced carpentry, masonry and painting crews to provide full service on all projects. We will coordinate work with electrical and plumbing sub-contractors to maximize efficiency. We work with insurance companies to address and repair damages.
"It went very good. They did there job so well"
Ray C on August 2021
New Premier Waterproofing
New Premier Waterproofing
Here at New Premier we always try to make our customers happy, we will always try to go above expectations and provide fast and easy service. With our highly experienced experts we can get just about any job done.
"Great work! They always showed up on time and were very quick to respond. Happy using this business"
Oren F on July 2023
Here at New Premier we always try to make our customers happy, we will always try to go above expectations and provide fast and easy service. With our highly experienced experts we can get just about any job done.
"Great work! They always showed up on time and were very quick to respond. Happy using this business"
Oren F on July 2023
FAQs for foundation repair projects in Wilmington, DE
If foundation problems are not fixed, not only do repairs eventually become very costly, but it can lead to structural damage to the house above. Eventually, if the foundation problems are allowed to persist, the foundation walls can cave in or collapse. That’s after other issues like flooding and mold have likely been allowed to develop. Although not all cracks are structural problems, some can be and even if they start out small, they can develop into major problems. The earlier foundation problems are discovered and fixed, the lower the cost to repair will likely be.
Yes, foundation repairs are worth the cost at any stage to avoid a dangerous living condition. A failed foundation can lower the value of your home by up to 20%. Whether it’s the smallest problem like a thin crack less than ⅛-inch wide, a horizontal crack, a crack letting water flow through, or a wall bowing inward, repairing foundation problems as soon as possible is worth the cost. Sometimes a temporary fix can be applied until you have the budget to completely fix the problem, but the longer the problems persist, the more costly repairs may be.
The most common first signs of foundation issues include:
Cracks in the foundation walls that grow
Signs of moisture or water leaking through cracks in the foundation
Standing water in the basement
Sagging floors or walls
Cracked walls in upper floors
Doors and windows that don’t close properly anymore
Foundation repairs cost about $5,000, on average. Typically, prices range from $2,200 to $7,800, depending on the type and extent of repairs needed. Cost factors include foundation type, home size, soil stability, accessibility, and the ultimate cause of the problem and what methods and materials are required to fix it.
If you’re noticing signs of foundation issues, the first step to fixing a foundation problem is to hire a foundation repair inspector. They will determine the problem, the cause, and the severity before recommending a course of action to repair the foundation. The method for fixing foundation problems depends on the problem and what options are available. A few possible solutions include:
Epoxy injections
Mudjacking
Piers made of steel or concrete
Jacks
Hydraulic piers
Carbon or steel reinforcement strips
Waterproofing materials
The Wilmington, DE homeowners’ guide to foundation repairs
From average costs to expert advice, get all the answers you need to get your job done.
Plumbing leaks are never fun, but they’re worse when they happen inside your foundation. Use this guide to slab leak repair costs to see what you’re up against.
A bowing basement wall needs immediate repair. Learn how much it costs to repair a bowing basement wall and what factors can affect the final price tag.
Foundation repair costs can be tricky when you have a large repair on your hands. This guide walks through costs from small cracks to total replacement.
A slab leak can cause major problems for your home if left unfixed. Here’s everything you need to know about identifying and repairing a slab leak.
All foundations crack from normal settlement, but knowing when to worry about cracks in a basement floor can help avoid worsening structural damage.
When constructed correctly, a concrete foundation can last more than a century. Learn what factors influence how long a concrete foundation can last.
- Greenville, DE Foundation repair specialists
- Newport, DE Foundation repair specialists
- Elsmere, DE Foundation repair specialists
- Hockessin, DE Foundation repair specialists
- Bellefonte, DE Foundation repair specialists
- Pike Creek, DE Foundation repair specialists
- New Castle, DE Foundation repair specialists
- Edgemoor, DE Foundation repair specialists
- North Star, DE Foundation repair specialists
- Chadds Ford, PA Foundation repair specialists
- Claymont, DE Foundation repair specialists
- Pennsville, NJ Foundation repair specialists
- Penns Grove, NJ Foundation repair specialists
- Carneys Point, NJ Foundation repair specialists
- Oldmans Township, NJ Foundation repair specialists
- Newark, DE Foundation repair specialists
- Kennett Square, PA Foundation repair specialists
- Marcus Hook, PA Foundation repair specialists
- Trainer, PA Foundation repair specialists
- Upper Chichester, PA Foundation repair specialists
- Boothwyn, PA Foundation repair specialists
- Garnet Valley, PA Foundation repair specialists
- Pocopson, PA Foundation repair specialists
- Landenberg, PA Foundation repair specialists
- Concordville, PA Foundation repair specialists
- Toughkenamon, PA Foundation repair specialists
- Avondale, PA Foundation repair specialists
- Bear, DE Foundation repair specialists
- Glen Mills, PA Foundation repair specialists
- Thornton, PA Foundation repair specialists
- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"