Toilet Repair & Installation Services in Fontana & Surrounding Areas

Professional toilet repairs and new installations for reliable bathroom performance
Fix My Toilet Today

Expert Toilet Repair and Installation Services

A broken toilet can disrupt your entire household routine in your Fontana, Upland, or Rancho Cucamonga home. AS Plumbing & Mechanical provides complete toilet repair and installation services to fix running toilets, clear stubborn clogs, stop leaks, and install new high efficiency models.

Our experienced technicians repair all toilet problems including running water, weak flushing, constant clogs, wobbly toilets, and water leaking around the base. We also install new toilets, including water saving models that reduce your utility bills while providing powerful flushing performance.

Homeowners throughout Corona, Redlands, Glendora, and nearby areas call us when their toilets won't stop running, don't flush properly, or need complete replacement. We stock common repair parts and carry popular toilet models to complete most jobs the same day.

We understand that toilet problems need immediate attention. Our team responds quickly with the right tools and parts to diagnose issues, make reliable repairs, or install new toilets that work perfectly. Most toilet repairs are completed within an hour, and new installations typically take 2 to 3 hours.

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Current AS Plumbing Promotions

Get Your Plumbing Ready for Winter!

Prepare your plumbing for the winter season with our seasonal check-up offer. Our technicians will inspect your pipes, water heater, and fixtures to ensure everything is in top shape before the cold weather hits.
Offer valid for a limited time.

24/7 Emergency Plumbing Services

We are here for you 24/7! Our emergency plumbing services are available at a special rate. Whether it's a burst pipe or a major leak, our skilled plumbers are ready to assist you at any time.
Emergency rates apply.

Upgrade Your Water Heater!

Enjoy a special discount on new water heater installations. Our professional team will help you choose the right model for your home and ensure a seamless installation process. Hot water is just a call away!
Limited time offer, while supplies last.

Find and Fix Leaks Fast!

Our leak detection service is now available at a discounted rate. We use advanced technology to locate leaks quickly and efficiently, saving you time and money. Protect your home from water damage today!
Terms and conditions apply.

Get Your Drains Cleaned Today!

Take advantage of our limited-time offer for drain cleaning services. Our expert team will ensure your drains are free from clogs and running smoothly. Don't wait until it's too late!
Offer valid for residential customers only.

Most Frequently Asked Questions

Can you install toilets the same day?
Yes, we typically complete toilet installations the same day throughout Redlands, Glendora, Pasadena, Monrovia, and surrounding areas. We stock popular models and can often install your new toilet within hours of removing the old one.
How do I know if my toilet needs repair or replacement?
We typically recommend repairs for newer toilets with specific problems and replacement for toilets over 15 years old, frequent issues, or major cracks. Upgrading to a high efficiency toilet can also save water and money on your utility bills.
What toilet problems do you repair most often?
We commonly fix running toilets, weak flushing, frequent clogs, wobbly toilets, and leaks around the base. Most toilet problems in Fontana and Upland homes are caused by worn flappers, faulty fill valves, or wax ring failures that we can repair quickly.
What types of toilets do you install?
We install standard height and comfort height toilets, dual flush models, and high efficiency toilets from trusted brands like Kohler, American Standard, and TOTO. We'll help you choose the best toilet for your Corona or Rancho Cucamonga bathroom and budget.