Bay Water Plumbing & Water Systems

What They Do

Water DamageSewage

• Faucet installation
• Faucet repair
• Plumbing leak detection
• Plumbing pipe repair
• Shower installation
• Toilet installation
• Toilet repair
• Water heater installation
• Drain cleaning
• Garbage disposal installation
• Garbage disposal repair
• Outdoor plumbing system repair
• Plumbing leak repair
• Sewer cleaning
• Sewer repair
• Shower repair
• Sump pump installation
• Sump pump repair
• Water heater repair
• Water tank installation
• Water tank repair
• water softener installation
• water conditioner installation
• Flood cleanup
• Flood restoration
• Plumbing
• Sewage cleanup
• Water damage-related cleanup & repair

In Their Own Words

Bay Water Plumbing & Water Systems is a premier residential plumbing company, serving the Bay Area from San Jose to San Ramon. As a trusted and family-owned business, we are dedicated to providing exceptional customer service. Our highly skilled technicians offer prompt and friendly service, ensuring complete honesty and transparent pricing. Bay Water Plumbing is your go-to residential plumber in the Bay Area, specializing in a wide range of services, including whole-house repiping, water heater installation, and water softener systems. For quality plumbing solutions at competitive prices, trust Bay Water Plumbing & Water Systems. Contact us today for all your residential plumbing needs in the Bay Area!

Written by the business on its public profile. We have not verified these claims.

Before You Call Bay Water Plumbing & Water Systems

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?
3. Will you remove the carpet and pad that the sewage touched?
4. How high up the walls will you cut, and why?

Ask for the company’s California contractor license number and look it up with the Contractors State License Board. Also ask for proof of insurance and industry certification for the technicians doing the drying or mold work.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• Call a proSewage Backup Cleanup, What You Can and Cannot DoWhat to do when sewage backs up into your home. How to stay safe, what you can clean yourself, what must be thrown out, and when to call a specialist.
• DIY friendlyWasher, Dishwasher, Fridge and Toilet Supply Line LeaksHow washer hoses, dishwasher lines, ice maker tubing and toilet supply lines fail, how to clean up each kind of leak, and how to replace a line yourself.
• DIY with careToilet Overflow Cleanup by Water CategoryHow to stop an overflowing toilet, tell clean tank water from bowl water and sewage, clean each one safely, and know when the water went too far for DIY.