On Shore Construction and Mechanical


7 Seymour Street
San Francisco, CA 94115
Your use of our services is governed by our Terms & Conditions

On Shore Construction and Mechanical

On Shore, your Trusted Local Plumber and Heating Specialist

On Shore Construction and Mechanical is a CA State licensed plumber since 1983. Our team of residential plumbers clear clogged drains. We unclog clogged kitchen sink drains, dishwasher drains, garbage disposal drains, tub and shower drains, floor drains, toilets, etc... We can help you today with all your drain cleaning, drain repair and replacement, and drain maintenance tips, which are easy to implement. We are a full cleaning service for your sewer. From simple equipment cleaning to complex sewer troubleshooting, your plumbing is safe in our hands. We are 24/7 plumbing and hot water heater installation and repair experts. If your home or business needs hot water heater repair or installation, call us today at 415-282-5978 for a free estimate. We are local heating contractors with experienced technicians qualified to service your furnace, and to help from furnace repair to furnace installation. We install radiant heat systems. Visit us at www.on-shoreinc.com! Thank you.

Services Offered

  • Water or Fuel Tank Install
  • Water or Fuel Tank Remove
Heating & Furnace Systems
  • Gas Boiler or Radiator Heat Repair
  • Electric Furnace - Repair
  • Oil Boiler or Radiator Heat Repair
  • Electric Furnace - Repair - For Business
  • Oil Boiler or Radiator Heat Install
  • Electric Boiler or Radiator Heat Repair
  • Gas Furnace - Repair
  • Gas Boiler or Radiator Heat Install
  • Electric Boiler or Radiator Heat Repair - For Business
  • Plumbing for Home Addition
  • Faucets, Fixtures and Pipe Repair
  • Water Heater Install
  • Water Heater Repair
  • Gas Piping
  • Clear Drain Clog or Blockage
  • Sump Pump or Foundation Drain Install
  • Sump Pump Repair
  • Tankless Water Heater Install
  • Tankless Water Heater Repair
  • Water Main Install or Repair
  • Sewer Main Install or Replace
  • Solar Water Heater System Install
  • Solar Water Heater System Repair
Water Treatment System
  • Water Treatment & Purification Install

Service Area

  • San Francisco
  • Daly City
  • Brisbane

Areas of Expertise

  • Plumbing, Drain Cleaning, Sewer Replacement, Copper Re-Pipe
  • Heating, Furnace Service and Repair
  • Water Heater Installation, Tankless Water Heater Installation
  • Radiant Floor Heating System Installation, Boiler Service and Repair
  • Chiller Installation

Product Brands Used

  • American Standard
  • Bradford White
  • Briggs
  • Delta
  • Eljer
  • GRUNDFOS Pumps Corporation
  • Grohe
  • Jacuzzi
  • Kohler
  • Moen
  • Newport Brass
  • Price Pfister
  • REHAU, Inc.
  • Rheem
  • Sterling
  • TOTO
  • Wolverine Brass, Inc.
  • Legrand, Whirlpool
  • Tagaki, Navien, Rinnai
  • See All >

Quick Facts

Business Hours
(Please call to confirm)
  • Credit Cards Accepted
  • Free Estimates


In Business Since: 1983
Memberships & Affiliations
  • SBE/LBE Certified, A+ Rating with the Better Business Bureau
HomeAdvisor Screened. View Details

Business Overview

How We Got Started

I chose to work in this industry because My Dad was a plumber and taught me everything I know about plumbing. He was the best plumber I know..

I love working in San Francisco/Bay Area because Reason You Enjoy Working There.

We started in this industry in 28 Years.

We describe our business as Family owned and operated


On Shore Construction and Mechanical