Sump Pump Services on Long Island

A plumber repairing a sump pump in a flooded basement in a residential home

A sump pump is your home’s first line of defense against flooding and water damage. When it fails, basements and crawl spaces can quickly fill with water potentially leading to costly repairs and mold growth. That’s why T.F. O’Brien offers expert sump pump repair services across Nassau, Suffolk, Queens, and Brooklyn, backed by our 100% satisfaction guarantee.

Sump Pump Services by T. F. O’Brien

If your sump pump fails during a storm, just call us anytime and we will make your sump pump issue a priority. We want to prevent as much damage to your home as we can.

  • Sump Pump Repair Detection: If you experience strange noises, constant cycling, or failure to turn on during heavy rain, call our technicians to inspect the motor, float switch, and discharge line. Based on our findings we will repair or replace faulty components to restore reliable operation.
  • Sump Pump Replacement Detection: Units older than 7–10 years, frequent breakdowns, or inability to keep up with water volume are signs you may need a new sump pump. We install new, energy-efficient sump pumps sized to your home’s needs, ensuring proper drainage and long-term protection.
  • Battery Backup System Installation Detection: Concerned about power outages during storms or flooding events? We can add a battery backup system so your sump pump continues working even when the power goes out.
  • Float Switch Adjustment & Repair Detection: If your pump runs continuously or fails to activate when water rises, we offer recalibration or replacement of the float switch services to ensure accurate water level detection.
  • Discharge Line Cleaning & Repair Detection: If you have water backing up into the sump pit or slow drainage outside, call us. We clear clogs, repair cracks, and ensure the discharge line directs water safely away from your foundation.
  • Preventive Maintenance & Testing Detection: Our scheduled services can help avoid unexpected failures. We test pump cycles, clean pits, and inspect electrical connections to keep your sump pump ready year-round.

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    Sump Pump Repair FAQs

    How do I know if my sump pump is failing? 

    Signs include unusual noises, constant cycling, foul odors, or water pooling in the basement despite the pump running.

    How often should a sump pump be serviced? 

    We recommend annual inspections and testing, especially before rainy seasons, to ensure reliable operation.

    What’s the average lifespan of a sump pump? 

    Most sump pumps last 7–10 years. Frequent repairs or reduced performance may indicate it’s time for replacement.

    Can I test my sump pump myself? 

    Yes, pour water into the sump pit and watch if the pump activates and drains properly. If it doesn’t, call a professional.

    Do I need a battery backup system? 

    If your area experiences frequent storms or power outages, a backup system is highly recommended to prevent flooding.

    Is sump pump repair covered by insurance? 

    Policies vary. Sudden failures may be covered, but gradual wear often isn’t. We provide documentation to support claims.

    Why Choose T.F. O’Brien for Sump Pump Repair?

    At T.F. O’Brien, we don’t just patch problems, we diagnose the root cause. Our licensed plumbers use advanced tools to inspect pipes, test water flow, and ensure every repair meets code and performance standards. Whether it’s a simple fix or a full system upgrade, we deliver lasting solutions with clear communication and upfront pricing.

    • Licensed, bonded, and insured for peace of mind
    • 12-month warranty on labor and materials
    • Financing options available for larger projects
    • Respect for your home by cleaning up and treating your space like our own
    • No surprises, know what to expect before we begin

    Protect Your Home from Flooding

    Don’t wait until the next storm to find out your sump pump isn’t working. Contact T.F. O’Brien today to schedule sump pump repair, replacement, or preventive maintenance. We’ll keep your basement dry and your home safe. We proudly serve all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Give us a call at 516.488.1800 and we will be more than happy to help you.


    We provide sump pump services on Long Island, including Nassau County, Suffolk County