Plumbing

Plumbing Services for Long Island Residents

Trusted Plumbing Repairs & Installations From T. F. O'Brien

4.9 ★ | 1,900+ Google reviews | 25,000 customers | Since 1934

When plumbing problems strike, you need a team you can count on. At T.F. O’Brien, we’re proud to bring the same trusted expertise we’ve offered in heating and cooling to full-service residential plumbing. From leaky faucets to full kitchen plumbing upgrades, our licensed plumbers are ready to help keep your home running smoothly.

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Our Plumbing Services

We offer a complete range of plumbing repair and installation services to keep every part of your home’s water system in top shape:

  • Toilet Repair & Installation:
    Fast, reliable fixes for leaks, clogs, and running toilets — or full replacements when it’s time for an upgrade.
  • Faucet & Sink Repair:
    Stop drips and restore full function to kitchen and bathroom fixtures.
  • Shower & Bathtub Repair:
    Enjoy consistent water pressure and reliable hot water again.
  • Drain Cleaning:
    Clear slow or clogged drains safely and efficiently.
  • Sump Pump Repair:
    Protect your home from flooding and water damage.
  • Leak Detection & Repair:
    Prevent costly water damage with quick fixes for hidden or visible leaks.
  • Garbage Disposal Repair & Installation
    Keep your kitchen running smoothly with expert repair or replacement.
  • Kitchen Plumbing Services
    From new sink installs to water line hookups, we handle it all.
  • Whole Home Water Filtration
    Get cleaner, better-tasting water throughout your home.
  • Hot Water Recirculation Systems
    Enjoy instant hot water while saving energy.
  • Whole Home Plumbing Inspection
    Identify small issues before they become major headaches.
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Why Choose T.F. O’Brien for Plumbing?

  • Licensed, Experienced Plumbers
    Our team holds a master plumbing license and decades of experience.
  • Trusted Local Experts
    Serving homeowners throughout Long Island (excluding Queens and Brooklyn).
  • No Hidden Fees or Upsells
    Just honest, high-quality work.
  • A Name You Already Trust
    The same service excellence you know from our HVAC team, now available for your home’s plumbing.

Plumbing Service Area

We proudly provide residential plumbing services across Nassau and Suffolk Counties — the same area our HVAC customers know and love. (Currently, we do not serve Queens or Brooklyn.)

Professional Plumbing Fixture Installations

Whether you’re remodeling your kitchen or replacing an aging fixture, T.F. O’Brien offers expert installation of:

  • Sinks
  • Toilets
  • Garbage disposals
  • And more!
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