The Best Plumbing Contractors in Monrovia, CA

Compare the highest-rated plumbing professionals in Monrovia, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Ira Hansen Plumbing, Heating & Air

4.8
(280 reviews)
Verified

A family-owned and operated business with deep roots in the community, known for its rapid emergency response and high-quality workmanship on both residential and commercial projects. They emphasize customer education and transparent, upfront pricing.

113 W Lemon Ave, Monrovia, CA 91016

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Pipe installation and replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Rooter 911

4.7
(150 reviews)
Verified

Highly rated for their expertise in dealing with stubborn drain and sewer line issues. They utilize advanced techniques like hydro-jetting and video camera inspections. Also praised for their punctuality and clean, professional service.

412 S Myrtle Ave Suite 202, Monrovia, CA 91016

Specialties & Features

Drain cleaning and sewer services
Leak detection and repair
Bathroom and kitchen plumbing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

All City Plumbing

4.6
(190 reviews)
Verified

A reliable and well-established local contractor known for handling a wide range of plumbing needs, from minor repairs to major remodels. They are frequently commended for their honest diagnostics and friendly, professional technicians.

Serves Monrovia from their base in the San Gabriel Valley (Local to the area)

Specialties & Features

Residential and commercial plumbing services
Leak detection and repair
Water heater installation and repair

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Monrovia

** The plumbing market in Monrovia is competitive and characterized by a mix of long-standing local family businesses and larger regional companies that serve the broader San Gabriel Valley. The average quality of service is high, as evidenced by the strong online reviews for top-tier providers. Customers appear to value responsiveness, transparency in pricing, and technical expertise, particularly for emergency services and complex sewer/drain issues. Due to Monrovia's mix of historic and newer homes, providers often need skills in both repiping modern systems and carefully working on older plumbing. Competition helps keep pricing relatively fair, but premium 24/7 emergency service commands a higher rate. Typical pricing for standard services (like faucet installation or drain cleaning) is in line with regional averages, while major projects (such as full repiping or sewer line replacement) are significant investments. Homeowners in Monrovia generally expect and receive professional, licensed, and insured service from the top-rated contractors.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Monrovia regulations and climate

Frequently Asked Questions About Plumbing in Monrovia

Get answers to common questions about plumbing services in Monrovia, California.

1What are the most common plumbing issues for Monrovia homeowners, and are they seasonal?

The most frequent issues are related to our hard water, which accelerates mineral buildup in pipes and water heaters, and root intrusion from mature trees like the many oaks and sycamores in older Monrovia neighborhoods. Seasonally, the dry summer and early fall can cause soil shifting, leading to pipe stress and potential leaks, while occasional winter cold snaps can threaten poorly insulated pipes in our foothill climate.

2How much should I expect to pay for common plumbing repairs in Monrovia?

Regional labor and material costs in the San Gabriel Valley influence pricing. For example, unclogging a main sewer line typically ranges from $350-$800, while repairing a leak under a slab foundation can start at $1,500+ due to the complexity. Always get a detailed, written estimate upfront. Be wary of quotes significantly lower than the average, as they may not include necessary permits or comply with Monrovia's specific plumbing code.

3Are there local regulations I should know about before starting a plumbing project in Monrovia?

Yes. Monrovia requires permits for most plumbing work beyond simple repairs, including water heater replacements, re-pipes, and sewer line repairs. The city adheres to strict California plumbing codes, which include water conservation measures like flow restrictions on new fixtures. A licensed plumber will know to pull the required permits from the Monrovia Community Development Department, ensuring your project is inspected and compliant.

4What should I look for when choosing a plumber serving Monrovia?

First, verify they hold a valid, active California C-36 Plumbing Contractor license. Choose a local company familiar with Monrovia's older housing stock and the specific soil conditions that affect sewer lines. They should be insured and provide clear communication about scheduling, especially for emergency services. Checking reviews from other Monrovia residents can also provide insight into their reliability and knowledge of local issues.

5My water pressure seems low. Is this a city issue or a problem with my home's plumbing?

It could be either. First, check if neighbors are experiencing the same issue to rule out a city-wide main break or maintenance, which you can also confirm by calling Monrovia's Public Works Department. If it's isolated to your home, common local causes include corroded galvanized pipes (common in pre-1970s homes), a failing pressure regulator due to age, or mineral-clogged aerators from our hard water. A licensed plumber can diagnose the specific cause.