Joist & Subfloor Repair NYC

If your floors feel bouncy, saggy, or unstable, the issues start from beneath the surface. With 37+ years of experience, NYC Renovation expertly handles joist sistering, subfloor replacement, and structural reinforcement so your floors can handle any finish flooring you envision.
Licensed · Bonded · Fully Insured
NYC DCA License #2107837-DCA · DOB Contractor ID #617843

Free Estimate Provided

High Quality Materials

Skilled Workers On-Site

5-Year Guarantee on All Work

Schedule Your Free Estimate

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    NYC's Premier Structural Repair Specialists

    With 200+ verified 5-star reviews on Google, Houzz, and Facebook, NYC Renovation delivers structural solutions branded as over-the-top and unrivaled by competitors. Our specialists for structural restoration, subfloor, and joist reinforcement work throughout the 5 boroughs: Manhattan, Brooklyn, Queens, Bronx, and Staten Island.

    Expert Services Include:

    Joist Sistering & Reinforcement – Replacing existing damage with new lumber to restore the structural strength of beams

    Professional Subfloor Replacement – Removal and installation of engineered materials. 

    Floor Preparation & Leveling – Comprehensive shimming and adjustments for any flooring type

    Soft, creaky, and uneven floors should not be overlooked. Our skilled craftsmen not only bolster weak points but also mitigate bounce and sag for enduring strength.

    Limited-Time Offer: Schedule your free consultation this week and receive an additional $500 off your project estimate.

    To book, call: +1-718-550-2779

    Honest pricing. Fast timelines. No hidden fees. Just solid work done right

    Claim Your $500 Project Discount

    Joist & Subfloor Repair in NYC

    When floors start to feel soft, uneven, or unstable, the problem is often hidden below. At Zicklin Contracting, we specialize in joist sistering, subfloor removal, and full structural leveling. Our expert team ensures your floors are properly reinforced, safe, and ready for finish installation—no bounce, no sag, and built to last.
    Call 718-550-2779
    Joist Sistering & Structural Reinforcement Subfloor Removal & Plywood Installation Full Floor Preparation & Leveling
    Call 718-550-2779 for your free quote today.

    Our Joist & Subfloor Repair Process

    1

    Inspection & Evaluation

    Thorough evaluation of joists and subflooring for any visible sagging, dampness, and structural weaknesses.

    2

    Reinforcement Plan

    We create a detailed plan for joist sistering and subfloor replacement based on your home's specific structural needs.

    3

    Construction & Repair

    Our team installs new joists, quality plywood, and levels the entire floor system for a rock-solid foundation.

    4

    Final Walkthrough & Floor Prep

    We walk through the completed work with you and prep the surface for your chosen finish flooring.

    See Our Process

    Schedule Your Free Estimate








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      Why Choose NYC Renovation?

      Transparent Pricing — No surprises, no hidden costs. You’ll know exactly what you’re paying before we start.
      No Subcontractors — Our own skilled crews handle every aspect of your project with consistent quality standards.
      DOB Filings Handled — We manage all Department of Buildings paperwork and permits, keeping your project compliant and stress-free.
      Fastest Turnaround — Most projects completed within 2-3 weeks, minimizing disruption to your daily routine.
      Guaranteed Work — Every job comes with our comprehensive 5-year guarantee for complete peace of mind.

      What Our Customers Say

      Jay Ce
      “NYC Renovation worked with us very fast and efficient! If I could give them 6 stars, I would definitely give it to them! Great customer service and they explain everything clearly. Thank you guys, you are AMAZING!”
      Joyce W.
      “My basement was a complete renovation due to flood damage. Work was done in a timely manner. All workers were very professional and a pleasure to work with. I am very satisfied with the finished product!”

      Ready for Rock-Solid Floors? Let’s Get Started!

      Don’t let unstable floors compromise your home’s safety and value. With 37+ years of experience and thousands of satisfied customers across NYC, we’re ready to transform your floors into a solid, lasting foundation.

      Call +1-718-550-2779 for your FREE estimate today
      Serving all NYC boroughs: Manhattan, Brooklyn, Queens, Bronx & Staten Island

      question 01
      How long does joist and subfloor repair take?
      Most joist and subfloor repairs take 1-3 weeks depending on the scope of work. We’ll provide an exact timeline during your free consultation.
      question 02
      Do you handle NYC building permits?
      Yes, we manage all DOB permits and paperwork. Our team knows NYC building codes inside and out, ensuring full compliance.
      question 03
      What’s included in your 5-year guarantee?
      Our guarantee covers all structural work, materials, and labor. If any issues arise with our joist or subfloor work, we’ll fix it at no cost.
      question 04
      Can you work in co-ops and condos?
      Absolutely! We’re experienced with board approvals, insurance requirements, and building management protocols throughout NYC.
      question 05
      Do you provide same-day emergency service?
      For structural emergencies, we offer rapid response service. Call +1-718-550-2779 and we’ll assess your situation within 24 hours.