The Best Plumbing Contractors in Duarte, CA

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

#1

Duarte Plumbing Company

4.8
(120 reviews)
Verified

A highly-rated, locally-owned and operated plumbing service known for prompt response and thorough work. They emphasize customer education and transparent pricing, making them a trusted choice for both emergency repairs and scheduled installations in the Duarte area.

1547 Mountain Ave, Duarte, CA 91010

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Drain cleaning and sewer services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Crystal Blue Plumbing

4.7
(90 reviews)
Verified

Serving Duarte and the surrounding San Gabriel Valley, Crystal Blue Plumbing is praised for its professional technicians and clean work. They offer 24/7 emergency services and are particularly noted for their expertise in leak detection and repiping projects.

2030 E Huntington Dr, Duarte, CA 91010

Specialties & Features

Leak detection and repair
Pipe installation and replacement
Bathroom and kitchen plumbing

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Horizon Plumbing & Rooter

4.6
(180 reviews)
Verified

While based in the nearby city of Monrovia, Horizon Plumbing is a major service provider for the entire foothill community, including Duarte. They have a large team capable of handling both residential and commercial projects, from simple drain cleaning to complex sewer line replacements.

120 W Foothill Blvd, Monrovia, CA 91016

Specialties & Features

Drain cleaning and sewer services
Commercial plumbing services
Water heater installation and repair

Business Information

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

Why These Are the Top Plumbing Contractors in Duarte

** The plumbing market in Duarte, California, is characterized by a mix of long-standing local contractors and reputable service providers from adjacent cities like Monrovia and Arcadia that actively serve the community. The competition is moderate but healthy, leading to generally high service quality as companies compete on reputation, responsiveness, and customer service. Typical pricing is in line with the greater Los Angeles area, with emergency call-out fees ranging from $100-$200 and hourly labor rates between $90-$150. The presence of older housing stock in parts of Duarte creates consistent demand for pipe replacement, repiping, and sewer line services. Customers generally report high satisfaction with local providers, who are noted for being personable and reliable.

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 Duarte regulations and climate

Frequently Asked Questions About Plumbing in Duarte

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

1What are common plumbing issues for Duarte homeowners, and are they seasonal?

Due to our hard water and the area's older housing stock, common issues include mineral buildup in pipes and water heaters, as well as sewer line problems from mature tree roots. Seasonally, the dry summer heat can cause soil to shift and stress underground pipes, while winter, though mild, can occasionally bring freezing risks to exposed outdoor plumbing, especially in the foothill areas of Duarte.

2How do I choose a reliable plumber in Duarte, and what local credentials should I verify?

Always choose a plumber licensed by the California Contractors State License Board (CSLB) and ensure they carry a C-36 Plumbing classification. For work in Duarte, verify they have a current City of Duarte business license. A reliable local plumber will also be familiar with specific codes enforced by the Los Angeles County Department of Public Works, which oversees plumbing in the area.

3What is the typical cost range for common plumbing repairs in the Duarte area?

Costs vary, but regional pricing in the San Gabriel Valley is a key factor. For example, repairing a leaky faucet might cost $150-$350, while a water heater replacement typically ranges from $1,200 to $3,500, depending on the type and local permit requirements. Trenchless sewer line repair, often needed for root intrusion, is a significant investment, generally starting around $4,000+ due to equipment and material costs.

4Are there any local water conservation regulations in Duarte that affect plumbing upgrades?

Yes, California's strict water efficiency standards directly impact plumbing. When replacing fixtures in Duarte, you must install models that meet current CALGreen standards, such as toilets using 1.28 gallons per flush or less and showerheads with a maximum flow of 1.8 GPM. Rebates from the Upper San Gabriel Valley Municipal Water District may be available for installing high-efficiency appliances.

5How long does it usually take to get a plumber for an emergency in Duarte, and what constitutes a true plumbing emergency?

Many local plumbing companies offer 24/7 emergency service with response times often within 1-2 hours for true emergencies. In Duarte, situations requiring immediate attention include major sewer backups, burst pipes (a risk during rare frosts), or severe gas line leaks. For non-emergencies like a slow drain, scheduling may take 24-48 hours, especially during peak seasons.