John Hobby Jr Plumbing & Heating Ltd.

76 Kisco Avenue
Mt. Kisco, NY 10549

914-241-7858 Office
914-241-7870 Fax


Monday: 7:30AM -5:00PM
Tuesday: 7:30AM -5:00PM
Wednesday: 7:30AM -5:00PM
Thursday: 7:30AM -5:00PM
Friday: 7:30AM -5:00PM

After hours we have an answering service to assist customers. If an emergency arises, the answering service will page our plumber on call.

24 Hour Emergency
John Hobby Jr truck

What we do . . .

“If it’s got water, we do it!”

We specialize in plumbing and heating installations, alterations and repairs for residential homes and commercial buildings.  We also have a sister company for all of your pool and spa service and repair needs;  Hobby’s Pool Supply & Service, Ltd.

Plumbing Installation/Repairs

  • All types/makes of faucets, shower valves and thermostatic mixers
  • Toilets/bidets
  • Tubs/shower stalls
  • All types piping systems including gas piping
  • Generators: diesel, propane and natural gas piping
  • Electric snake: Drains, sewer and leader lines cleared of stoppages
  • Thaw frozen pipes
  • Winterize whole house, seasonal buildings such as pool cabanas, outside water, irrigation and hose bibs.
  • Summerize plumbing systems

Domestic Water System Installation/ Repairs

  • Well pumps
  • Constant pressure systems
  • Pressure boosting pumps
  • Cold water storage tanks
  • Whole house water filters
  • Water softeners, neutralizers and treatment
  • Ultra violet units
  • Well water testing (including Westchester County profile for sale of home)
  • Water service leak detection and repair
  • Town water pressure regulators
  • Yard hydrants
  • Install backflow prevention devices
  • Certified testing of backflow prevention devices

Heating Installation/Repairs

  • Hot water baseboard
  • Steam heat and radiators
  • Oil burners
  • Gas boilers (natural or propane)
  • Circulating pumps
  • Zone valves
  • Hot water heaters (natural gas, oil, propane and electric)
  • Indirect hot water heaters
  • Radiant heat
  • Heating blower units
  • Annual cleaning and service
  • Install anti-freeze in heating systems
  • Replace oil tanks
  • Drain/ winterize heating systems
  • Un-winterize heating systems
  • Thaw frozen pipes

Waste Water Installation/Repairs

  • Sewage ejector pumps
  • Sump pumps, battery backup sump pumps
  • Float switches and high level alarms

Horse Waterers for Barns/Pastures

  • Specializing in Nelson Automatic Waterers
  • Yard hydrants

Lawn Irrigation

  • Complete winterization
  • Repairing broken lines, sprinkler heads and zone valves
  • Install backflow prevention devices
  • Certified testing of backflow prevention devices