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Find Concrete injection leveling mudjacking pros in Gaithersburg

Avatar for NV Waterproofing & Foundation Repair

NV Waterproofing & Foundation Repair

4.76(
113
)
•Approved Pro

NV Waterproofing & Foundation Repair

4.76(
113
)
•Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
40 years of experience

Established in 1986, NV Waterproofing provides expert solutions for below-grade moisture control, prevention, concrete repair, and foundation repair in the greater Washington, D.C. area. Call us at (703)690-3889 to schedule your appointment. Our certified applicators use the industry's most effective and eco-friendly waterproofing, drainage, concrete, and foundation repair products, offering a one-stop solution for your needs. Trusted by hundreds of homeowners, contractors, and builders, our reputation is built on word-of-mouth referrals. We pride ourselves on excellent customer service and stand behind our work. As members of Supportworks and Contractor Nation, our goal is to create satisfied customers. Service areas include D.C., Virginia (Fairfax, Loudoun, Prince William, Fauquier, Arlington, Alexandria, Stafford, Spotsylvania), and Maryland (Montgomery, Frederick, Prince George, Howard, St. Mary’s).

"Very sloppy and unprofessional work. Now, my driveway and sidewalk are lopsided, he put a large crack in my porch, uneven lines in sidewalk, sloppy patch work. Needless to say, I have to have all new cement work done because this foam stuff can't be corrected. My technician was not skilled at doing this work and the manager is trying to justify this mess!"

Andrea H on February 2026

Established in 1986, NV Waterproofing provides expert solutions for below-grade moisture control, prevention, concrete repair, and foundation repair in the greater Washington, D.C. area. Call us at (703)690-3889 to schedule your appointment. Our certified applicators use the industry's most effective and eco-friendly waterproofing, drainage, concrete, and foundation repair products, offering a one-stop solution for your needs. Trusted by hundreds of homeowners, contractors, and builders, our reputation is built on word-of-mouth referrals. We pride ourselves on excellent customer service and stand behind our work. As members of Supportworks and Contractor Nation, our goal is to create satisfied customers. Service areas include D.C., Virginia (Fairfax, Loudoun, Prince William, Fauquier, Arlington, Alexandria, Stafford, Spotsylvania), and Maryland (Montgomery, Frederick, Prince George, Howard, St. Mary’s).

"Very sloppy and unprofessional work. Now, my driveway and sidewalk are lopsided, he put a large crack in my porch, uneven lines in sidewalk, sloppy patch work. Needless to say, I have to have all new cement work done because this foam stuff can't be corrected. My technician was not skilled at doing this work and the manager is trying to justify this mess!"

Andrea H on February 2026

Avatar for JES Foundation Repair

JES Foundation Repair

4.51(
707
)
•Approved Pro

JES Foundation Repair

4.51(
707
)
•Approved Pro
Super Service Award
Customers say: Super punctual
33 years of experience
Free onsite estimate

JES Foundation Repair (JES), A Groundworks Company, specializes in helping homeowners with their foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Virginia and Maryland. With fully trained technicians, industry-leading products, and nationally backed warranties, JES is here to restore your foundation or crawlspace.

"Jeswork was really great. The construction engineer took photos of my crawlspace and explained in detail their recommendations and the cost and financing. The work team was excellent and explained what they did each day and showed pictures. They found termites and got in contact with a pest contractor before the encapsulation when my termite contractor failed to come and treat the termites. "

Brenda C on February 2026

JES Foundation Repair (JES), A Groundworks Company, specializes in helping homeowners with their foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Virginia and Maryland. With fully trained technicians, industry-leading products, and nationally backed warranties, JES is here to restore your foundation or crawlspace.

"Jeswork was really great. The construction engineer took photos of my crawlspace and explained in detail their recommendations and the cost and financing. The work team was excellent and explained what they did each day and showed pictures. They found termites and got in contact with a pest contractor before the encapsulation when my termite contractor failed to come and treat the termites. "

Brenda C on February 2026

Romualdo Construction LLC

5.00(
11
)
•Approved Pro

Romualdo Construction LLC

5.00(
11
)
•Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
6 years of experience

All concrete flat work all slabs, new driveways &remove and replace stamped concrete and all concrete patching . Gravel driveway and etc

"Masonry work was done as quoted and to my satisfaction. More effort needed for prep and cleanup to prevent and remove splatter. "

david b on December 2025

All concrete flat work all slabs, new driveways &remove and replace stamped concrete and all concrete patching . Gravel driveway and etc

"Masonry work was done as quoted and to my satisfaction. More effort needed for prep and cleanup to prevent and remove splatter. "

david b on December 2025

Avatar for Allmaster Builders, Inc.

Allmaster Builders, Inc.

4.93(
81
)
•Approved Pro

Allmaster Builders, Inc.

4.93(
81
)
•Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
26 years of experience

Allmaster Builders, Inc. has been serving Maryland since 1987. We have performed all types of home improvements including decks, room enclosures, basement remodeling, basement waterproofing, structural repair, room additions and much more. We are privately owned, licensed, bonded and insured. Our, President John Locantore has been in the construction and home improvement industry for more than 40 years. He has spent more than 16 years training and consulting in the basement waterproofing and structural repair industry. John has also testified as an expert witness in both Maryland and Virginia. His honest approach and competitive pricing has accumulated many satisfied customers throughout the years.

"From start to finish, Allmaster Home Services did an amazing job replacing our deck. We are so pleased with the turn out "

Julie C on October 2025

Allmaster Builders, Inc. has been serving Maryland since 1987. We have performed all types of home improvements including decks, room enclosures, basement remodeling, basement waterproofing, structural repair, room additions and much more. We are privately owned, licensed, bonded and insured. Our, President John Locantore has been in the construction and home improvement industry for more than 40 years. He has spent more than 16 years training and consulting in the basement waterproofing and structural repair industry. John has also testified as an expert witness in both Maryland and Virginia. His honest approach and competitive pricing has accumulated many satisfied customers throughout the years.

"From start to finish, Allmaster Home Services did an amazing job replacing our deck. We are so pleased with the turn out "

Julie C on October 2025

Avatar for NV Waterproofing, LLC

NV Waterproofing, LLC

4.86(
7
)
•Approved Pro

NV Waterproofing, LLC

4.86(
7
)
•Approved Pro
Super Service Award
Customers say: True professional
22 years of experience
Free onsite estimate

With over 900 5-star Google reviews, NV Waterproofing & Foundation Repair has been locally owned and operated since 1986, proudly solving underlying water problems for thousands of homeowners. We specialize in turning wet, stinky spaces into dry, healthy basements. From basement waterproofing, foundation repair concrete leveling and crack repair, we'll ensure your home stays safe, dry, and protected. To find out more about our services, contact the basement waterproofing experts at NV Waterproofing & Foundation Repair today. We offer free, no-obligation cost estimates in Washington D.C., Northern VA and Southern MD.

"I highly recommend NV Waterproofing & Foundation Repair! The work crew, Alfredo, David, and Javier were excellent! Alfredo Hernandez, the Foreman, kept me updated every step of the process, thoroughly answered every question I had, and addressed all concerns with expert problem solving and skill. These three men were in my home for a couple weeks doing extensive foundation and waterproofing work. They were always professional, courteous, and kept the work space clean. I was able to leave home for appointments with full confidence and trust in this crew. The sales manger, Brendan Feehan, was incredibly knowledgeable as well, and was able to solve every problem with my complex foundation and waterproofing issues. He was accessible to answer any questions I had throughout the process, and available to stop by as needed. Brendan is professional, helpful, and an expert in this profession. He's not just selling products. He understands the complexities of old and new construction"

Emily T on September 2025

With over 900 5-star Google reviews, NV Waterproofing & Foundation Repair has been locally owned and operated since 1986, proudly solving underlying water problems for thousands of homeowners. We specialize in turning wet, stinky spaces into dry, healthy basements. From basement waterproofing, foundation repair concrete leveling and crack repair, we'll ensure your home stays safe, dry, and protected. To find out more about our services, contact the basement waterproofing experts at NV Waterproofing & Foundation Repair today. We offer free, no-obligation cost estimates in Washington D.C., Northern VA and Southern MD.

"I highly recommend NV Waterproofing & Foundation Repair! The work crew, Alfredo, David, and Javier were excellent! Alfredo Hernandez, the Foreman, kept me updated every step of the process, thoroughly answered every question I had, and addressed all concerns with expert problem solving and skill. These three men were in my home for a couple weeks doing extensive foundation and waterproofing work. They were always professional, courteous, and kept the work space clean. I was able to leave home for appointments with full confidence and trust in this crew. The sales manger, Brendan Feehan, was incredibly knowledgeable as well, and was able to solve every problem with my complex foundation and waterproofing issues. He was accessible to answer any questions I had throughout the process, and available to stop by as needed. Brendan is professional, helpful, and an expert in this profession. He's not just selling products. He understands the complexities of old and new construction"

Emily T on September 2025

Avatar for Maxc Impressions LLC

Maxc Impressions LLC

4.90(
255
)

Maxc Impressions LLC

4.90(
255
)
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

Residential Painting, Remodeling & Home Improvement Company. Please call or text at (240) 643-2794 to reach an estimator directly. Quick and free estimates on-site visit or via pictures (if applies). MHIC Licensed & Insured. 20 years of experience. Residential Remodeling, Renovations, Interior Painting, Exterior Painting, Housecleaning, Carpet Cleaning, Drywall repairs, & Tile, Ceramics, & Carpentry. Handyman work. Wallpaper removal. New basements, bathrooms, and kitchens. New vinyl, hardwood floors, doors, and moldings. Billing can be checks or credit cards. Silver Spring MD, Rockville MD, Kensington MD, Bethesda MD, Potomac MD & Frederick, MD.

"The contractor was professional, efficient, and skilled. An estimate was quickly provided, and the contractor was able to schedule immediately."

Akiba P on September 2023

Residential Painting, Remodeling & Home Improvement Company. Please call or text at (240) 643-2794 to reach an estimator directly. Quick and free estimates on-site visit or via pictures (if applies). MHIC Licensed & Insured. 20 years of experience. Residential Remodeling, Renovations, Interior Painting, Exterior Painting, Housecleaning, Carpet Cleaning, Drywall repairs, & Tile, Ceramics, & Carpentry. Handyman work. Wallpaper removal. New basements, bathrooms, and kitchens. New vinyl, hardwood floors, doors, and moldings. Billing can be checks or credit cards. Silver Spring MD, Rockville MD, Kensington MD, Bethesda MD, Potomac MD & Frederick, MD.

"The contractor was professional, efficient, and skilled. An estimate was quickly provided, and the contractor was able to schedule immediately."

Akiba P on September 2023

Avatar for GRS Technology Solutions - IT Support for Business

GRS Technology Solutions - IT Support for Business

4.92(
128
)

GRS Technology Solutions - IT Support for Business

4.92(
128
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

GRS Technology Solutions is a unique local IT support provider for the Washington DC, Maryland and Virginia area. We are a long time, committed resident of the community that has enjoyed a well respected reputation as a premier and reliable technology assistance firm. GRS "Geeks R Us" is dedicated to providing cost effective IT support solutions to businesses that want to improve efficiency and increase their bottom line. Our customized computer support can help your business compete in today's evolving and global market, at a fraction of the cost of employing an in house IT team. Our teams of professionals are experts in computer, server, and network support, so you can count on us to provide all the support and service you need for your business in the DC Area. GRS has the IT support that can take your business to the next level, with service and support at a rate you can afford. With computer support and expert network support, we provide everything you need to keep your technology running at its optimal level, for a fixed monthly fee. Let us show you how our services can increase the bottom line of your business in DC, Virginia, and Maryland metro area.

"Work was completed in a professional, timely and courteous manner"

Maria T on January 2019

GRS Technology Solutions is a unique local IT support provider for the Washington DC, Maryland and Virginia area. We are a long time, committed resident of the community that has enjoyed a well respected reputation as a premier and reliable technology assistance firm. GRS "Geeks R Us" is dedicated to providing cost effective IT support solutions to businesses that want to improve efficiency and increase their bottom line. Our customized computer support can help your business compete in today's evolving and global market, at a fraction of the cost of employing an in house IT team. Our teams of professionals are experts in computer, server, and network support, so you can count on us to provide all the support and service you need for your business in the DC Area. GRS has the IT support that can take your business to the next level, with service and support at a rate you can afford. With computer support and expert network support, we provide everything you need to keep your technology running at its optimal level, for a fixed monthly fee. Let us show you how our services can increase the bottom line of your business in DC, Virginia, and Maryland metro area.

"Work was completed in a professional, timely and courteous manner"

Maria T on January 2019

Avatar for The Chimney Doctor Nova Inc

The Chimney Doctor Nova Inc

4.71(
313
)

The Chimney Doctor Nova Inc

4.71(
313
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

COMPARE AND SAVE Family-owned and operated. Making homes safer for over 30 years. Servicing all or your Chimney and Masonry needs. Fast, friendly and reliable service completed in a professional manner. The Chimney Doctor NOVA, Inc. services all of Northern Virginia, Prince William & North Stafford County. We provide our customers with professional chimney cleaning and repair services at a reasonable cost without compromising on the quality you expect. Your safety comes first at our company and we stress the importance of having a healthy heating and venting system. Since we believe that your home's safety is of utmost importance, we offer FREE estimates on all repairs. We also offer FREE second opinions on estimates given for repair work by another company. The Chimney Doctor NOVA, Inc. is fully licensed, bonded, and insured.

"I paid $200 for a thorough cleaning and inspection of my fireplace . Didn’t know the ash box is not included in the cleaning . Ridiculous. It’s the nastiest part of the fireplace. They didn’t advise of this before the cleaning nor offered to clean it for an additional fee. Yes, I emailed asking why . Just that it wasn’t covered. Ripoff"

Flavia C on June 2025

COMPARE AND SAVE Family-owned and operated. Making homes safer for over 30 years. Servicing all or your Chimney and Masonry needs. Fast, friendly and reliable service completed in a professional manner. The Chimney Doctor NOVA, Inc. services all of Northern Virginia, Prince William & North Stafford County. We provide our customers with professional chimney cleaning and repair services at a reasonable cost without compromising on the quality you expect. Your safety comes first at our company and we stress the importance of having a healthy heating and venting system. Since we believe that your home's safety is of utmost importance, we offer FREE estimates on all repairs. We also offer FREE second opinions on estimates given for repair work by another company. The Chimney Doctor NOVA, Inc. is fully licensed, bonded, and insured.

"I paid $200 for a thorough cleaning and inspection of my fireplace . Didn’t know the ash box is not included in the cleaning . Ridiculous. It’s the nastiest part of the fireplace. They didn’t advise of this before the cleaning nor offered to clean it for an additional fee. Yes, I emailed asking why . Just that it wasn’t covered. Ripoff"

Flavia C on June 2025

Avatar for Ryan Reph Remodeling Inc

Ryan Reph Remodeling Inc

4.89(
81
)

Ryan Reph Remodeling Inc

4.89(
81
)
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Ryan Reph Remodeling is a family owned and operated remodeler specialized in kitchen and bath renovations, basement finishing. We cover all northern VA and border parts of MD. Our estimates are free, our work is ontime and on budget. Call for a free estimate or visit our website for more information at www.ryanrephremodeling.com

"RRR did a high-end hall bath remodel in Sep 2020 for approximately $24000. Homeowners did the basic design and material selection. RRR suggested construction and material mods, as needed, and ordered all material. Cost was clearly detailed up front, paid on draw, and was met by completion date. All stage work and inspections were completed on schedule, over approximately three weeks. Crew was always on time and worked full days, while Ryan checked in twice a week. All rough-in and finish work was neat and well crafted, including studding, plumbing, electrical, wall and floor tile, and vanity top and basin, and painting. There was some struggle with heavy shower doors assembly and clean install. All punchlist items were complete with no issues. Enjoyed interaction with Ryan and his crew. Very happy with results. Competitive pricing. Would highly recommend."

Christopher B on November 2020

Ryan Reph Remodeling is a family owned and operated remodeler specialized in kitchen and bath renovations, basement finishing. We cover all northern VA and border parts of MD. Our estimates are free, our work is ontime and on budget. Call for a free estimate or visit our website for more information at www.ryanrephremodeling.com

"RRR did a high-end hall bath remodel in Sep 2020 for approximately $24000. Homeowners did the basic design and material selection. RRR suggested construction and material mods, as needed, and ordered all material. Cost was clearly detailed up front, paid on draw, and was met by completion date. All stage work and inspections were completed on schedule, over approximately three weeks. Crew was always on time and worked full days, while Ryan checked in twice a week. All rough-in and finish work was neat and well crafted, including studding, plumbing, electrical, wall and floor tile, and vanity top and basin, and painting. There was some struggle with heavy shower doors assembly and clean install. All punchlist items were complete with no issues. Enjoyed interaction with Ryan and his crew. Very happy with results. Competitive pricing. Would highly recommend."

Christopher B on November 2020

Avatar for Cabido Design & Build

Cabido Design & Build

4.79(
380
)

Cabido Design & Build

4.79(
380
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Super Service Award winner. We are a local business that originated in 2001 in Silver Spring, MD. Since then, our team of remodeling experts have been working non-stop around the DC-Metro area. Our number of employees depend on job type and size, averaging from around 3-7 employees working at a job site. We offer great prices and great payment plans! Money should never be an obstacle when you want your dream home.

"Victor Bernard and their team took on a complex double bathroom renovation project in a 100 year old row home and did excellent work addressing the many unexpected challenges as we proceeded with demo, including rebuilding floor joists inappropriately damaged from a past renovation. While this of course made for a much longer project than planned, the quality of work was excellent and we love our new bathrooms."

Gregory F on April 2023

Super Service Award winner. We are a local business that originated in 2001 in Silver Spring, MD. Since then, our team of remodeling experts have been working non-stop around the DC-Metro area. Our number of employees depend on job type and size, averaging from around 3-7 employees working at a job site. We offer great prices and great payment plans! Money should never be an obstacle when you want your dream home.

"Victor Bernard and their team took on a complex double bathroom renovation project in a 100 year old row home and did excellent work addressing the many unexpected challenges as we proceeded with demo, including rebuilding floor joists inappropriately damaged from a past renovation. While this of course made for a much longer project than planned, the quality of work was excellent and we love our new bathrooms."

Gregory F on April 2023

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FAQs for concrete injection leveling mudjacking projects in Gaithersburg, MD

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.

The Gaithersburg, MD homeowners’ guide to concrete injection leveling mudjackings

From average costs to expert advice, get all the answers you need to get your job done.

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