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Foundation Repair and Stabilization in Manhattan

Save up to 40% on your project.*Start with a free onsite estimate.

Foundation work on a Manhattan property may have limited access and needs to account for adjoining structures. Send any existing assessment or repair drawings.

Tell us how the cellar can be accessed and what must remain in operation. We can review the proposed construction scope with the owner’s design team.

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Explore Foundation Repair

Explore the services below. We assess your property, explain what needs attention and give you a written scope before work begins.

Foundation Crack Repair
Foundation Crack Repair work

Foundation Crack Repair

Cracks in a foundation can allow moisture in and may also point to movement that deserves a closer look.

  • We assess the crack pattern, surrounding masonry, and affected area before choosing an appropriate repair approach.
  • Repairs may address vertical, horizontal, diagonal, or stair-step cracking where the existing construction allows it.
  • The goal is to restore the damaged area, reduce further deterioration, and leave a clean, durable finish.
  • For structural movement or significant cracking, the repair scope should follow the appropriate professional or engineered direction.
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Foundation Wall Repair
Foundation Wall Repair work

Foundation Wall Repair

Foundation walls can deteriorate from age, moisture, soil pressure, impact, or long-term movement.

  • Our work focuses on damaged sections of concrete, block, brick, or stone foundation walls.
  • Loose and unsound material is addressed before compatible repair materials are installed.
  • Where needed, the scope can include rebuilding localized sections rather than simply covering visible damage.
  • A properly repaired wall should be sound, neat, and appropriate for the conditions found on site.
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Bowing Foundation Wall Repair
Bowing Foundation Wall Repair work

Bowing Foundation Wall Repair

A wall that bows or leans can indicate pressure or movement that should not be treated as a cosmetic crack alone.

  • The first step is identifying the direction and extent of movement and the conditions around the wall.
  • Repair can involve stabilization or reinforcement methods selected for the particular structure.
  • Water and drainage conditions around the foundation may also need attention when they contribute to pressure.
  • Significant wall movement should be evaluated and repaired under the appropriate structural requirements.
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Foundation Stabilization
Foundation Stabilization work

Foundation Stabilization

Foundation stabilization is used when movement, weakness, or loss of support is affecting part of the structure.

  • The repair plan depends on the existing foundation, soil conditions, access, and the location of the movement.
  • Work can include localized structural support, reinforcement, or other approved stabilization methods.
  • The objective is to control movement and provide dependable support rather than simply hide surface symptoms.
  • Structural stabilization work should follow project-specific engineering and permit requirements when applicable.
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Foundation Settlement Repair
Foundation Settlement Repair work

Foundation Settlement Repair

Settlement can show up as foundation cracks, uneven areas, separation, or movement around parts of a building.

  • A proper repair starts by determining where the movement is occurring and how the foundation is supported.
  • Depending on conditions, localized support or a more involved stabilization method may be required.
  • Drainage, soil, and water conditions are considered because they can contribute to continuing settlement.
  • The repair should address the underlying condition as well as the visible damage whenever practical.
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Foundation Underpinning
Foundation Underpinning work

Foundation Underpinning

Underpinning strengthens or extends support beneath an existing foundation when the original support is inadequate.

  • It is a structural operation that requires careful sequencing, excavation control, and project-specific planning.
  • The exact underpinning method depends on the building, existing footing, soil, loads, and access.
  • Temporary support and protection of adjacent construction may be required during the work.
  • In NYC, underpinning work commonly requires appropriate design, filings, permits, inspections, and professional oversight.
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Foundation Pier Installation
Foundation Pier Installation work

Foundation Pier Installation

Foundation piers may be used as part of an engineered stabilization system for certain settlement conditions.

  • Pier type, spacing, depth, and connection details depend on structural loads and subsurface conditions.
  • Installation is not a one-size-fits-all repair and should be based on a project-specific design.
  • After stabilization, associated cracks or damaged finishes can be repaired as part of the restoration scope.
  • Where piers are appropriate, the work should follow manufacturer, engineering, and applicable NYC requirements.
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Foundation Footing Repair
Foundation Footing Repair work

Foundation Footing Repair

Footings transfer building loads into the supporting soil and are a critical part of the foundation system.

  • Damage, undermining, deterioration, or inadequate support can require localized footing repair or reinforcement.
  • Access may involve controlled excavation so the existing footing and surrounding conditions can be inspected.
  • Repair materials and reinforcement are selected according to the condition and structural requirements.
  • Major footing work should be completed under the appropriate engineered design and permitting process.
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Foundation Reinforcement
Foundation Reinforcement work

Foundation Reinforcement

Foundation reinforcement strengthens areas that have become inadequate, damaged, or vulnerable to continued movement.

  • The method can vary widely depending on whether the foundation is concrete, block, brick, or stone.
  • Reinforcement may be combined with crack repair, wall repair, stabilization, or localized rebuilding.
  • A good repair plan focuses on load transfer and structural performance rather than appearance alone.
  • Structural reinforcement details should be based on the actual building condition and required professional direction.
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Foundation Masonry Repair
Foundation Masonry Repair work

Foundation Masonry Repair

Many NYC foundations include brick, block, or stone masonry that can deteriorate at joints and exposed surfaces.

  • Repair can include removing loose material, rebuilding localized masonry, and restoring deteriorated joints.
  • Compatible mortar and masonry materials help preserve a sound bond and a clean finished appearance.
  • Water entry and drainage conditions should also be addressed when they are contributing to deterioration.
  • The objective is a durable repair that respects the existing foundation construction rather than a superficial cover-up.
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Foundation Concrete Repair
Foundation Concrete Repair work

Foundation Concrete Repair

Concrete foundations can develop spalling, cracks, voids, exposed aggregate, or localized deterioration over time.

  • Unsound concrete is removed as needed so repair materials can bond to a solid substrate.
  • The repair method depends on the depth, location, moisture exposure, and whether reinforcement is affected.
  • Finished areas are shaped and protected to provide a clean transition with the existing foundation.
  • Structural concrete damage requires a repair approach appropriate to the severity and function of the affected area.
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Foundation Leak & Crack Sealing
Foundation Leak & Crack Sealing work

Foundation Leak & Crack Sealing

Water can enter through foundation cracks, joints, penetrations, and deteriorated masonry.

  • The source and path of the leak should be identified before sealing so the repair targets the actual problem.
  • Crack and joint treatments are selected based on the substrate, opening, moisture, and movement conditions.
  • Sealing may be paired with exterior waterproofing or drainage when surface treatment alone will not control water.
  • The goal is a practical, durable repair that reduces recurring moisture at the foundation.
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Exterior Foundation Waterproofing
Exterior Foundation Waterproofing work

Exterior Foundation Waterproofing

Exterior waterproofing protects below-grade foundation surfaces from direct soil moisture and water exposure.

  • The work typically requires safe excavation and preparation of the accessible foundation wall.
  • A suitable waterproofing layer or membrane is installed according to the wall condition and system requirements.
  • Protection board, drainage components, stone, and proper backfill may be incorporated where the design calls for them.
  • Exterior waterproofing works best when drainage and grading conditions are considered as part of the complete solution.
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Foundation Drainage Solutions
Foundation Drainage Solutions work

Foundation Drainage Solutions

Poor drainage can keep water against the foundation and contribute to leaks, deterioration, and soil pressure.

  • Foundation drainage work is planned around the direction of water, grade, discharge location, and existing conditions.
  • Solutions can include drainage stone, collection piping, footing drainage, or other site-appropriate components.
  • The system should move water away without creating a new problem elsewhere on the property.
  • Drainage is often most effective when coordinated with waterproofing and repairs to the affected foundation.
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Foundation Drain Tile Repair & Installation
Foundation Drain Tile Repair & Installation work

Foundation Drain Tile Repair & Installation

Drain tile or footing drainage helps collect water near the base of a foundation and direct it to an appropriate outlet.

  • Existing systems can become damaged, clogged, disconnected, or ineffective over time.
  • Repair or replacement requires confirming elevations, drainage path, pipe condition, and discharge strategy.
  • Clean stone and appropriate drainage materials are installed around the piping as required by the system.
  • The completed drainage work should complement the waterproofing and foundation repair rather than operate in isolation.
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Foundation Excavation & Repair
Foundation Excavation & Repair work

Foundation Excavation & Repair

Some foundation defects can only be properly accessed by excavating along the exterior wall.

  • Excavation is planned around utilities, adjacent structures, soil stability, access, and worker safety.
  • Once exposed, the foundation can be cleaned and evaluated for cracks, deterioration, leaks, or damaged masonry.
  • Repairs, waterproofing, and drainage work can then be completed before controlled backfilling.
  • Deep or structurally sensitive excavation requires the appropriate protection, design, and NYC approvals.
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Foundation Parging & Protective Coating
Foundation Parging & Protective Coating work

Foundation Parging & Protective Coating

Parging restores the exposed surface of masonry or concrete foundations where the existing finish is worn or deteriorated.

  • Loose material is removed and the substrate is prepared before a compatible cementitious coat is applied.
  • The finish can improve appearance while also providing an additional protective surface over sound foundation material.
  • Parging is not a substitute for structural repair when cracks, movement, or serious deterioration are present.
  • Where moisture is involved, the underlying water source should be addressed rather than simply covered.
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Foundation Structural Support
Foundation Structural Support work

Foundation Structural Support

Structural support work addresses foundation areas that are no longer providing dependable support to the building.

  • Site conditions are reviewed to determine where support is needed and how work can be performed safely.
  • The scope can include temporary support during repairs and permanent support as part of the finished system.
  • Adjacent framing, masonry, footings, and soil conditions may all affect the repair approach.
  • Any significant structural support work should follow the applicable NYC design, filing, and inspection requirements.
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Partial Foundation Rebuild & Replacement
Partial Foundation Rebuild & Replacement work

Partial Foundation Rebuild & Replacement

Severely deteriorated foundation sections may require controlled removal and reconstruction instead of patching.

  • The work area must be planned so the building remains properly supported throughout the repair sequence.
  • Replacement materials and reinforcement should be compatible with the existing structure and required loads.
  • Waterproofing, drainage, and exterior restoration can be coordinated with the rebuild where applicable.
  • Partial replacement is significant structural work and should follow required engineering, permits, inspections, and safety procedures.
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Foundation Leveling
Foundation Leveling work

Foundation Leveling

Foundation leveling addresses areas affected by settlement or uneven support where correction is technically appropriate.

  • Measurements and site conditions help determine whether leveling, stabilization, or another repair method is suitable.
  • The process must account for the existing structure and avoid forcing movement without a proper plan.
  • Related cracks or damaged masonry can be repaired after the structural condition is addressed.
  • For significant movement, leveling should be performed according to professional structural guidance.
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See the Difference
Foundation Repair Before & After

BEFOREAFTER

Project example from our wider portfolio

CUSTOMER STORY

Foundation Repair

“786 Construction Services did an amazing job fixing our foundation. They were professional, on time and very knowledgeable. Our house feels so much safer now. Highly recommend!”

— Samantha L.

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★★★★★Customer Stories786Construction ServicesBefore & AfterSee the Difference
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SERVICE AREAS

Manhattan Service Area

See our foundation repair service area in Manhattan and explore the other NYC boroughs.

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Serving all five NYC boroughs

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Selected area: Manhattan

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SPECIAL OFFERS

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Foundation Repair and Stabilization in Manhattan

SAVE UP TO 40% — Foundation Repair and Stabilization in Manhattan

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Offer eligibility and final pricing depend on your project scope. Cannot be combined with another offer unless agreed in writing.
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Work & Credentials

Explore our services, project examples and business profiles.

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Meet Our Team

Our experienced team works together to deliver safe, high-quality results. From planning meetings to on-site installation, we focus on teamwork, professionalism and customer satisfaction.

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CUSTOMERS & COMMUNITIES

Proud to Serve Our Local Communities

One team helping New York property owners protect, repair and improve the places that matter to them.

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OUR FOUNDATION REPAIR PROCESS

Six clear steps.
From first call to final review.

A simple plan, clear communication and care for your property at every stage.

  1. 1

    Let’s talk

    Tell us about your foundation repair project, your concerns and preferred timing. We’ll help plan the next step.

  2. 2

    Onsite assessment

    Review visible foundation condition, water entry and site access so the plan starts with the actual condition.

  3. 3

    Your written estimate

    Agree on the repair scope and any required specialist assessment, with clear pricing and project terms.

  4. 4

    Plan & prepare

    Coordinate timing, access, property protection and any required permits or approvals before work begins.

  5. 5

    The work begins

    Prepare the site and complete the agreed foundation repair measures.

  6. 6

    Review & handover

    Review completed repairs, cleanup and any agreed monitoring guidance.

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YOUR FOUNDATION REPAIR PROJECT

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HELPFUL ANSWERS

Foundation Repair and Stabilization in Manhattan FAQs

Can you estimate from structural drawings?+

Yes. Include current drawings, site notes and any access or sequencing instructions from the design professional.

What should I send about a crack or movement?+

Send photos of the whole wall and a close-up of the affected area. Mention when it appeared, whether it has changed and if water enters there.