Woodbridge: 732-634-0630

Edison/Metuchen: 732-494-5251

Rahway: 732-381-4544

Owen S. Dunigan and Co., Inc

Woodbridge, NJ 07095-1813

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Keep your drinking water safe

You don't want your water to become contaminated due to improper pressure differences. You can count us from installing a new backflow prevention system to thorough backflow inspections. Get your estimate today!

•  Backflow testing

•  Backflow preventer repair

•  Backflow preventer replacements

•  Backflow preventer inspections

Ensure safe, clean drinking water:

When you do experience backflow issues, you want them resolved right away. You can rely on us any time of day with our 24 hour emergency service.


Are you having issues with clogged drains, leaky pipes, or your water temperature?

Resolve your issue quickly

24 hour emergency service



Senior citizen discount


Staff of highly trained experts


Same day service is available


Receive a special discount when you mention this ad




Edison / Metuchen






Master Plumber License #7121

Certified Backflow Inspector License #8714