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Best house leveling pros near Nassau, NY

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Top-Rated House leveling pros in Nassau - Updated Nov 2026

Avatar for Adirondack Basement Systems, Inc.
Adirondack Basement Systems, Inc.
4.6(
107
)
Concrete Foundation - RaiseConcrete Foundation - Repair

Serving Nassau, NY and surrounding areas

Approved (Corporate)

In business since 1998

Free estimates

Warranties offered

"It was a complex project. They were very careful with their procedures and raised sunken concrete sections next to the house and around a pool to allow for drainage. They filled the major cracks. They were courteous and on-time over several days. After many years the water in the basement problem has been resolved."
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SaniDry Sedona Dehumidifer
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+9

Response time12 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for C & J Custom Builders Inc
C & J Custom Builders Inc
4.8(
25
)
Find a Custom Home Builder

Serving Nassau, NY and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"C&J did an incredible job completely gutting and remodeling our 1895 farmhouse. This was a huge 8-month job with the variety of complications and required changes an old house can throw at you; throughout the process Craig and Jerry offered excellent design suggestions, collaborated very well with our architects, worked diligently to stay on budget, and each day demonstrated craftsmanship and professionalism of the highest level. C&J’s team of subcontractors and designers are excellent too. These people are the best the building trade has to offer: conscientious, skilled, creative, and a pleasure to work with. Hoping to have them back soon to remodel the guest cottage and garage! See Photos here: [*** Link removed ***]"
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+36

Response time2 days
Response rate100%
Recommended by100%of homeowners
Avatar for All Dry Basement
All Dry Basement
4.2(
22
)
Concrete Foundation - Repair

Serving Nassau, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"When I contacted All Dry I was gun shy. This would have been my 4th contractor I would have to deal with. All theee prior told me something completely different and tried to take advantage of my limited knowledge. From the get go, All Dry Basement made me feel extremely comfortable. Todd and his team answered my questions thoroughly and were always available for my questions . The work that was done was amazing, he was punctual everyday and worked some nights until 8pm until the work was completed. It is like a different world in the crawlspace, the smell is gone, all of the debris were cleaned out and. Brought to the dump, a vapor seal was installed, a dehumidifier for the moisture, one entryway to the crawlspace was closed up and the main entrance was re worked for easier access. Blocks from the foundation were grouted because the blocks were dead, , floor joists were spay flames and the House is now Warmer. I couldn’t be more please wth the quality of work All Dry Basement did at my home. They were professional and amazing and I would 100% recommend them. My stress level has decreased a million percent because after two years I found a company that was honest from the get go and their work shows it!!!! HIRE THEM FOR YOR CRAWLSPCE AND BASEMENT NEEDS. Do not look any further."
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+7

Response time1 day
Response rate100%
21 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
5.0(
6
)
Concrete Foundation - RaiseConcrete Foundation - RepairConcrete - Injection Leveling - Mudjacking+1 more

Serving Nassau, NY and surrounding areas

Approved (Corporate)

In business since 2019

Free estimates

Warranties offered

"We cannot say enough good about Dylan, Seth and Tim. 3 very hard workers. Lifting heavy heavy loads of concrete and stone up my and down my cellar and porch steps. They never stopped for breaks. Great workers. Respectful and pleasant and knew their job requirements. Very careful with doors, floors etc It?s a messy job. ThankYou"
Foundation
Foundation
Foundation
Foundation
Foundation

+14

220 neighbors recently requested a quote
Avatar for LaBello's Masonry and Waterproofing, LLC
LaBello's Masonry and Waterproofing, LLC
3.5(
186
)
Concrete Foundation - Repair

Serving Nassau, NY and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Chad responded within 24 hours, had a team out to the house within a few days and the job was completed within a week. The guys were friendly, were focused on the work and cleaned up when they were finished."
LaBellos Masonry
Foundation Repair
Basement and foundation
Exterior block wall
Exterior waterproofing

+1

Response time7 hrs
65 neighbors recently requested a quote
Recommended by74%of homeowners
Grady's Painting Plastering/Construction
2.0(
174
)
Concrete Foundation - Repair

Serving Nassau, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"This was a very involved plaster repair and remediation job, in a very old house. Grady is the only person (or company) who was willing to take on the job and drive all the way from Pennsylvania to our home in Northern Virginia. There are very few people who do this kind of work anymore (we really searched) and he is an expert in his field. We needed to work around his schedule, because he is in demand in the tri-state area, so it took awhile to schedule the work to begin... but it was worth it."
Response time11 hrs
Response rate100%
Recommended by57%of homeowners
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House Leveling FAQs, answered by experts

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

Mudjacking is your best bet for leveling concrete on a tighter budget. It’s less expensive than foam or grout mixture. For smaller, surface-level issues, you could also use a self-leveling compound, which creates an even surface over existing concrete—it’s a budget-friendly option suitable for DIY enthusiasts.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

It restores concrete, prevents replacement cost disruptions, reduces trip hazards, and provides stability at a lower cost.

Mudjacking restores level surfaces, prevents further damage, and is more cost-effective than a full replacement.

The Nassau, NY homeowners’ guide to house leveling services

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