Professional plumber at work
Serving Monrovia & Surrounding Areas

Water Works.
We Fix It.

From leaky faucets to full repipes, John's Son's Plumbing Service delivers honest, dependable plumbing — done right the first time.

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What We Do

Complete Plumbing Solutions

From routine maintenance to complex installations, we handle every aspect of residential plumbing with precision and care.

Leak Detection & Repair

Hidden leaks cause costly damage. We use advanced detection methods to find and fix leaks fast — before they become disasters.

Emergency Repairs

Burst pipe? Flooding? We respond quickly to urgent plumbing problems around the clock, every day of the year.

Water Heater Services

Installation, repair, and maintenance for tank and tankless water heaters. Stay warm with reliable hot water all year.

Drain Cleaning

Slow drains? Clogs won't stand a chance. We clear stubborn blockages and keep your pipes flowing smoothly.

Bathroom & Kitchen

Fixture installations, remodels, and upgrades. From faucets to toilets, we bring your vision to life with expert craftsmanship.

Sewer Line Services

Camera inspections, trenchless repairs, and full replacements. We keep your sewer system running cleanly and efficiently.

John's Son's Plumbing Service team at work
Family-Owned
Proudly serving our community
About Us

Built on Trust,
Driven by Quality

John's Son's Plumbing Service isn't just another plumbing company — we're your neighbors. Rooted in Monrovia, we've built our reputation one honest job at a time, treating every home like our own.

When you call us, you get a licensed professional who shows up on time, explains the problem clearly, and completes the work to the highest standard. No shortcuts. No inflated bills. Just solid plumbing work you can count on.

100%
Satisfaction Guaranteed
Same Day
Service Available
Fair
Transparent Pricing
Local
Monrovia-Based
Why Choose Us

The Difference Is in the Details

We go the extra mile so you don't have to worry about a thing.

On Time, Every Time

We respect your schedule. Arrive when we say we will — no excuses.

Honest Answers

We explain what's wrong in plain language and never upsell services you don't need.

Quality Workmanship

We use premium materials and proven techniques so the job holds up for years.

Clear Pricing

You'll know the full cost before any work begins. No hidden fees, no surprises.

Ready to Get It Done Right?

Whether it's a quick fix or a major project, John's Son's Plumbing Service is here for you. Call today for a free estimate.

(626) 359-3429 Send a Message
Contact Us

Let's Talk About Your Project

Have a question or need a quote? Reach out anytime — we're happy to help with your plumbing needs.

Address

139 E Foothill Blvd
Monrovia, CA 91016-2261

Hours

Mon–Fri: 7:00 AM – 6:00 PM
Sat: 8:00 AM – 4:00 PM
Emergency: 24/7

Send Us a Message

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