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Foundation Support Contractor in New York - A Contractor Shaking Hands with a Business Owner

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What makes Zavza Seal


Licensed & Insured

Don’t take chances with unlicensed and uninsured contractors. We’re fully licensed and insured, ensuring your investment is safeguarded.

30-Year Warranty

We back our work with a 30-year warranty, demonstrating our commitment to long-lasting quality and durability.

Proactive Problem Solvers

Experience matters. We are proactive problem solvers. We identify and address issues before they become headaches, saving you thousands of dollars on repairs and remediations.

5 Star

Elevate your home with our 5-Star rated contracting, where premium quality meets a steadfast 30-year warranty commitment.

Community – Centric

For over 20 years, we have proudly provided top-tier foundation support services across Suffolk and Nassau Counties in New York. We recognize the unique challenges homeowners and businesses face, including harsh winters and expansive clay soils that can cause foundation cracks and settlement. Our commitment extends beyond foundation repairs. We educate property owners about the importance of foundation health and offer long-term solutions to safeguard their valuable investments.

What Our Customers Say

On Our Recent Foundation Support Completed Works

Gregory Paragh

They complete the work to the specification they outlined or better, for a very reasonable price which they are willing to work with you on. Good people and great work.

Mike Delafraz

I was hesitant to accept their proposal since it was the best one! However, they arrived on time and were knowledgeable, respectful, and clean. Did more than expected and paid attention to any minor details. They even came an extra day to complete everything and ensure the Job was done to my 1000% Satisfaction.


The Zavza sealing company arrived promptly. The crew leader did an overview of the Job. Upon completion of the Job, The entire area was cleaned, and anything moved was replaced. Thanks for a great Job.
Looking for a Reliable Foundation Support Contractor in New York?
Is your New York foundation showing signs of weakness?  Settling cracks, uneven floors, or bowing walls can all be indicators of serious foundation problems.  Ignoring these issues can lead to costly repairs down the road. As the leading foundation support contractor in New York, Zavza Seal specializes in stabilizing and repairing foundations in the Brooklyn, Queens, and Long Island areas.

We offer free foundation inspections to Nassau and Suffolk County home and business owners and proven, custom solutions to restore your foundation and peace of mind. We also stand behind our work with an industry-leading 30-year warranty, to ensure that you get the most out of your investment!

Contact Zavza Seal: New York’s Leading Foundation Support Specialists Today and Take the First Step in Securing the Future of Your Home or Commercial Property!

Call (631) 980-1800 Now!

Foundation Support Contractor in New York - Zavza Seal Employees in Company Branded Hoodies Repairing a Foundation
  • Structural Stability: Ensuring the structural stability of buildings in Brooklyn, Queens, and Long Island is crucial. Our expertise in installing adjustable foundation supports helps maintain the integrity of structures in these areas.
  • Preventing Settlement Issues: Foundation supports are essential in preventing settlement issues, such as sinking or uneven settling, which are common due to the dynamic soil conditions in the region.
  • Mitigating Water-Related Problems: We address water-related challenges, including soil erosion and water accumulation, that can affect the foundations of structures in Brooklyn, Queens, and Long Island.
  • Increased Property Value: Proper foundation support is key to preserving the value of properties, ensuring buildings remain structurally sound and attractive to potential buyers or tenants.
  • Enhancing Long-Term Durability: Adjustable foundation supports enhance the long-term durability of structures, reducing the risk of extensive damage and minimizing the need for costly repairs in the future.
  • Adapting to Environmental Changes Foundation supports, particularly those that are adjustable, allow structures to adapt to environmental changes, such as fluctuations in soil moisture levels, prevalent in the diverse climates of Brooklyn, Queens, and Long Island.
  • Minimizing Disruptions: Efficiently addressing foundation issues helps minimize disruptions to daily life, reducing the impact on residents and businesses in Brooklyn, Queens, and Long Island.
  • Meeting Local Building Codes: Our foundation support solutions ensure that structures comply with local building codes and regulations, contributing to the safety and resilience of buildings in accordance with the specific requirements of these regions.
Foundation Support Contractor in New York - A Basement Sump Pump Installation by Zavza Seal
Foundation Support Contractor New York - A Screenshot of Groundwater Level Depths from the Long Island

Suffolk and Nassau counties in New York face several challenges that often lead to the need for foundation support. One significant issue is the soil composition, characterized by expansive clay soils that swell when wet and shrink when dry. This cycle of expansion and contraction can exert pressure on foundations, causing them to crack or settle unevenly. Additionally, both counties are prone to groundwater level fluctuations, especially in areas like Huntington and Hempstead, exacerbating foundation stability issues. These factors underscore the importance of proper foundation design and construction techniques tailored to local conditions.

To learn more about our experience addressing foundation support issues in Suffolk and Nassau counties, please browse our portfolio by clicking here.

Different Types of Foundation Support for New York Properties

Choosing the right type of foundation support is very important for mitigating risks and ensuring the long-term stability of your foundation. There are several main types of foundation support systems designed to address these concerns effectively. Each type offers unique advantages depending on the specific needs of the building and the environmental conditions. Below are the different types of foundation support commonly used in New York, tailored to combat issues related to high water tables and foundation instability.

  • Concrete Piers: Concrete piers are deep foundation elements that provide excellent load-bearing capacity and stability in areas with high water tables. They are installed by drilling into stable soil or bedrock beneath the groundwater level, ensuring structural integrity and minimizing settlement.
  • Steel Push Piers: Steel push piers are driven deep into the ground until they reach stable soil or load-bearing strata. They are effective in stabilizing foundations affected by settlement due to high water tables or soil movement, providing strong support and resisting corrosion over time.
  • Helical Piers: Helical piers feature screw-like blades that are mechanically twisted into the ground, providing immediate load-bearing capacity. They are ideal for supporting foundations in areas prone to expansive soils or where traditional foundations may fail due to water-related issues.
  • Slab Jacking: Slab jacking involves lifting and stabilizing concrete slabs or foundations by injecting grout or polyurethane foam beneath them. This method is used to correct settlement caused by soil erosion or water infiltration, restoring the foundation’s level and structural integrity.
  • Waterproofing Membranes: Applying foundation waterproofing membranes to foundation walls prevents water infiltration and protects against moisture-related damage. These membranes can be installed on both the exterior and interior surfaces of foundation walls, effectively reducing the risk of cracks and leaks.
  • Crawl Space Encapsulation: Crawl space encapsulation involves sealing them with vapor barriers and insulation to prevent moisture intrusion and improve indoor air quality. This method helps mitigate issues caused by high humidity levels and water vapor that can impact foundation stability.

These foundation support methods are tailored to address the specific challenges posed by high water tables, foundation cracks, and other common problems encountered in New York’s residential and commercial buildings. Each solution offers distinct benefits in terms of durability, effectiveness, and long-term maintenance.

Attic Insulation Contractors in Hempstead
Foundation Support Contractor New York - A Foundation Waterproofing Project Showing a Waterproofing Membrane on a Foundation

Underpinning for Structural Reinforcement: Underpinning is a method used by foundation support specialists to strengthen and stabilize existing foundations. This technique is commonly applied in residences and commercial buildings in Queens, Long Island, and Brooklyn to enhance foundation support and prevent structural issues.

Carbon Fiber Reinforcement: Foundation support specialists may utilize carbon fiber reinforcement for added strength in foundation walls. This technique is particularly relevant in the mentioned areas where buildings may face challenges like soil movement, and it provides an effective solution for reinforcing foundation supports in both residential and commercial structures.

How Does Foundation Support Work?

Foundation support enhances a building’s stability by using methods like helical piers or push piers. These adjustable supports counteract settling and distribute the structure’s weight, preventing damage and ensuring long-term integrity.

In areas like Queens, Long Island, and Brooklyn, foundation support is a proactive measure, addressing specific structural needs based on soil conditions. Whether through underpinning or carbon fiber reinforcement, these techniques fortify buildings, safeguarding them against environmental challenges and ensuring prolonged safety and resilience.

Foundation Support Contractor in New York - A Foundation Support Expert Preparing a Foundation

Schedule Your Free Assessment and Get Tailored Advice from
the Best Foundation Support Contractor in New York

Foundation Support Contractor in New York - Helical Piles Being Driven into the Ground Near a Commercial Foundation

Ready to secure your property’s foundation with expert care? Schedule your free assessment with Zavza Seal today! Our dedicated team of foundation support contractors in New York offers personalized advice and solutions to address your unique needs. We utilize advanced techniques like concrete piers and helical piers to ensure long-lasting stability and peace of mind.

As a proud New York neighbor, we stand behind our work with an industry-leading 30-year warranty. Trust in our 20+ years of experience and commitment to quality. Protect your investment and ensure your home’s safety—call Zavza Seal now for your free, no-obligation assessment and experience the best foundation support service in New York!

Call Us Now (631) 980-1800

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5 Star Rated Contractor

Our Service Area Zip Codes
In Long Island NY

Brooklyn NY
Brooklyn, NY 11201
Brooklyn, NY 11204
Brooklyn, NY 11209
Brooklyn, NY 11215
Brooklyn, NY 11217
Brooklyn, NY 11218
Brooklyn, NY 11219
Brooklyn, NY 11223
Brooklyn, NY 11228
Brooklyn, NY 11229
Brooklyn, NY 11230
Brooklyn, NY 11231
Nassau County NY
Albertson, NY 11507
Atlantic Beach, NY 11509
Baldwin, NY 11510
Bayville, NY 11709
Bellmore, NY 11710
Bethpage, NY 11714
Carle Place, NY 11514
Cedarhurst, NY 11516
East Meadow, NY 11554
East Norwich, NY 11732
East Rockaway, NY 11518
Elmont, NY 11003
Farmingdale, NY 11735
Farmingdale, NY 11737
Floral Park, NY 11001
Floral Park, NY 11002
Franklin Square, NY
Franklin Square, 11010
Freeport, NY 11520
Garden City, NY 11530
Garden City, NY 11531
Garden City, NY 11599
Glen Cove, NY 11542
Glen Head, NY 11545
Glenwood Landing, NY 11547
Great Neck, NY 11020
Great Neck, NY 11021
Great Neck, NY 11022
Great Neck, NY 11023
Great Neck, NY 11024
Great Neck, NY 11026
Great Neck, NY 11027
Greenvale, NY 11548
Hempstead, NY 11549
Hempstead, NY 11550
Hempstead, NY 11551
Hewlett, NY 11557
Hicksville, NY 11801
Hicksville, NY 11802
Hicksville, NY 11815
Hicksville, NY 11819
Hicksville, NY 11854
Inwood, NY 11096
Island Park, NY 11558
Jericho, NY 11753
Jericho, NY 11853
Lawrence, NY 11559
Levittown, NY 11756
Locust Valley, NY 11560
Long Beach, NY 11561
Lynbrook, NY 11563
Malverne, NY 11565
Manhasset, NY 11030
Massapequa, NY 11758
Massapequa Park, NY 11762
Merrick, NY 11566
Mill Neck, NY 11765
Mineola, NY 11501
New Hyde Park, NY 11040
New Hyde Park, NY 11042
Oceanside, NY 11572
Old Bethpage, NY 11804
Old Westbury, NY 11568
Oyster Bay, NY 11771
Plainview, NY 11803
Point Lookout, NY 11569
Port Washington, NY 11050
Port Washington, NY 11051
Port Washington, NY 11052
Port Washington, NY 11053
Port Washington, NY 11054
Port Washington, NY 11055
Rockville Centre, NY 11570
Rockville Centre, NY 11571
Roosevelt, NY 11575
Roslyn, NY 11576
Roslyn Heights, NY 11577
Sea Cliff, NY 11579
Seaford, NY 11783
Syosset, NY 11773
Syosset, NY 11791
Uniondale, NY 11553
Uniondale, NY 11555
Uniondale, NY 11556
Valley Stream, NY 11580
Valley Stream, NY 11581
Valley Stream, NY 11582
Wantagh, NY 11793
West Hempstead, NY 11552
Westbury, NY 11590
Williston Park, NY 11596
Woodbury, NY 11797
Woodmere, NY 11598
Suffolk County NY
Amagansett, NY 11930
Amityville, NY 11701
Aquebogue, NY 11931
Babylon, NY 11702
Bay Shore, NY 11706
Bayport, NY 11705
Bellport, NY 11713
Blue Point, NY 11715
Bohemia, NY 11716
Brentwood, NY 11717
Bridgehampton, NY 11932
Brightwaters, NY 11718
Brookhaven, NY 11719
Calverton, NY 11933
Center Moriches, NY 11934
Centereach, NY 11720
Centerport, NY 11721
Central Islip, NY 11722
Cold Spring Harbor, NY 11724
Commack, NY 11725
Copiague, NY 11726
Coram, NY 11727
Cutchogue, NY 11935
Deer Park, NY 11729
East Hampton, NY 11937
East Islip, NY 11730
East Marion, NY 11939
East Moriches, NY 11940
East Northport, NY 11731
East Quogue, NY 11942
East Setauket, NY 11733
Eastport, NY 11941
Farmingville, NY 11738
Fishers Island, NY 6390
Great River, NY 11739
Greenlawn, NY 11740
Greenport, NY 11944
Hampton Bays, NY 11946
Hauppauge, NY 11788
Holbrook, NY 11741
Holtsville, NY 00501
Holtsville, NY 00544
Holtsville, NY 11742
Huntington, NY 11743
Huntington Station, NY 11746
Islandia, NY 11749
Islip, NY 11751
Islip Terrace, NY 11752
Jamesport, NY 11947
Kings Park, NY 11754
Lake Grove, NY 11755
Laurel, NY 11948
Lindenhurst, NY 11757
Manorville, NY 11949
Mastic, NY 11950
Mastic Beach, NY 11951
Mattituck, NY 11952
Medford, NY 11763
Melville, NY 11747
Melville, NY 11760
Melville, NY 11775
Middle Island, NY 11953
Miller Place, NY 11764
Montauk, NY 11954
Moriches, NY 11955
Mount Sinai, NY 11766
Nesconset, NY 11767
New Suffolk, NY 11956
North Babylon, NY 11703
Northport, NY 11768
Oakdale, NY 11769
Ocean Beach, NY 11770
Orient, NY 11957
Patchogue, NY 11772
Peconic, NY 11958
Port Jefferson, NY 11777
Port Jefferson Station, NY 11776
Quogue, NY 11959
Remsenburg, NY 11960
Ridge, NY 11961
Riverhead, NY 11901
Rocky Point, NY 11778
Ronkonkoma, NY 11779
Sag Harbor, NY 11963
Sagaponack, NY 11962
Saint James, NY 11780
Sayville, NY 11782
Selden, NY 11784
Shelter Island, NY 11964
Shelter Island Heights, NY 11965
Shirley, NY 11967
Shoreham, NY 11786
Smithtown, NY 11787
Sound Beach, NY 11789
South Jamesport, NY 11970
Southampton, NY 11968
Southampton, NY 11969
Southold, NY 11971
Speonk, NY 11972
Stony Brook, NY 11790
Stony Brook, NY 11794
Upton, NY 11973
Wading River, NY 11792
Wainscott, NY 11975
Water Mill, NY 11976
West Babylon, NY 11704
West Babylon, NY 11707
West Islip, NY 11795
West Sayville, NY 11796
Westhampton, NY 11977
Westhampton Beach, NY 11978
Wyandanch, NY 11798
Yaphank, NY 11980
Queens County NY
Addisleigh Park, NY 11433
Addisleigh Park, NY 11434
Arverne, NY 11692
Astoria, NY 11101
Astoria, NY 11102
Astoria, NY 11103
Astoria, NY 11104
Astoria, NY 11105
Astoria, NY 11106
Bayside, NY 11359
Bayside, NY 11360
Bayside, NY 11361
Bay Terrace, NY 11360
Beechhurst, NY 11357
Belle Harbor, NY 11694
Bellerose, NY 11426
Breezy Point, NY 11697
Briarwood, NY 11435
Broad Channel, NY 11693
Cambria Heights, NY 11411
Chinatown, NY 10013
College Point, NY 11356
Corona, NY 11368
Douglaston–Little Neck, NY 11362
Douglaston–Little Neck, NY 11363
East Elmhurst, NY 11369
East Elmhurst, NY 11370
East Elmhurst, NY 11371
Edgemere, NY 11690
Elmhurst, NY 11380
Far Rockaway, NY 11690
Far Rockaway, NY 11691
Far Rockaway, NY 11692
Far Rockaway, NY 11693
Far Rockaway, NY 11694
Far Rockaway, NY 11695
Far Rockaway, NY 11697
Floral Park, NY 11004
Floral Park, NY 11005
Flushing, NY 11374
Forest Hills, NY 11375
Fresh Meadows, NY 11365
Fresh Meadows, NY 11366
Fresh Pond, NY 11385
Glendale, NY 11385
Glen Oaks, NY 11004
Hollis, NY 11423
Howard Beach, NY 11414
Jackson Heights, NY 11372
Jamaica, NY 11411
Jamaica, NY 11412
Jamaica, NY 11413
Jamaica, NY 11414
Jamaica, NY 11415
Jamaica, NY 11416
Jamaica, NY 11417
Jamaica, NY 11418
Jamaica, NY 11419
Kew Gardens, NY 11415
Kew Gardens, NY 11418
Kew Gardens Hills, NY 11367
Laurelton, NY 11413
Long Island City, NY 11101
Long Island City, NY 11102
Long Island City, NY 11103
Long Island City, NY 11104
Long Island City, NY 11105
Long Island City, NY 11106
Long Island City, NY 11109
Middle Village, NY 11379
Neponsit, NY 11694
Ozone Park, NY 11416
Ozone Park, NY 11416
Pomonok, NY 11365
Queens Village, NY 11427
Queens Village, NY 11428
Queens Village, NY 11429
Rego Park, NY 11374
Richmond Hill, NY 11418
Ridgewood, NY 11385
Rochdale Village, NY 11434
Rockaway Beach, NY 11693
Rockaway Park, NY 11694
Rosedale, NY 11413
Rosedale, NY 11422
Roxbury, NY 12474
St. Albans, NY 11412
South Ozone Park, NY 11420
South Ozone Park, NY 11436
Springfield Gardens, NY 11413
Sunnyside, NY 11104
Whitestone, NY 11357
Woodhaven, NY 11421
Woodside, NY 11377