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Welcome O’Connor Plumbing Customers

We’re excited you’ve found us and want to help you learn more about our services and commitment to unparalleled customer service.

Our team is ready and available to help with all your residential plumbing needs, including:

  • Boiler Installations
  • City and Well Water Filtration
  • Electric, Gas & Tankless
    Water Heaters Services
  • Drain Cleaning, Repairs & Inspections
  • Fixture and Appliance Repairs
  • Water Lines
  • Gas Leaks
  • Faucet & Toilet Repairs
  • Sump Pumps
  • Garbage Disposals
  • Bathroom and Kitchen Fixtures
  • And much more!

In addition to plumbing, we’re also your local Frederick experts for heating, cooling, and indoor air quality systems. We have your comfort covered.


Discover the Tuckers Difference

24 Months On Us

We stand by the quality of our work, so you pay $0 for any service required in the first two years after an installation, including everything from service fees to diagnostics and repair parts. We provide peace of mind for your investment along with a comfortable home!

12 Year Parts & Labor Guarantees

Systems installed by our skilled technicians are backed by us personally–on select systems Tuckers matches the 12-Year Daikin Guarantee with a 12-Year Labor Guarantee, which means you are covered for the entire lifespan of the system! Every installation is completed with precision using the best practices and latest tools. That’s the Tuckers difference.

Master Technicians Available at All Times

Our team of Journeymen technicians is supported by several Master HVAC technicians, who are dispatched to every service call along with the technician, allowing us to diagnose issues and provide solutions quickly and accurately on the first visit.

Technician assisting customer at door

Expect 5 Star Service, Every Time

You can relax knowing that your home comfort systems are installed and maintained with exceptional customer service and technical expertise.

With over 1,000 reviews on Google and a 4.9 overall rating, see why our customers love working with us:

"Things couldn’t have gone smoother. We were impressed with their knowledge and abilities and willingness to work, clean up, listen and construct the best system for our home." - Pipher

"Every question was answered, every concern was addressed. The installation was professional, neat as a pin, and works flawlessly. It’s hard to tell they were even here, except for our gleaming new unit." - Jennifer H.

We Look Forward to Serving You Soon!

Call us to schedule your next service: 301-670-0034

Proudly Serving Washington DC, Montgomery & Frederick Counties

All Towns