The Best Plumbing Contractors in Wilmington, CA

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

#1

All Pro Plumbing

4.8
(280 reviews)
Verified

A highly-rated, family-owned and operated plumbing service known for its rapid response times, especially for emergencies. They emphasize upfront, flat-rate pricing with no hidden fees, which is frequently praised in customer reviews. Their team handles both residential and commercial projects.

1719 W 135th St, Gardena, CA 90249 (Serves Wilmington and the greater South Bay area)

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

Plumber Long Beach

4.7
(190 reviews)
Verified

This company has a strong focus on the harbor communities, explicitly listing Wilmington in its service area. They offer 24/7 emergency services and are known for their work on pipe replacement and repiping projects, in addition to standard repairs and installations.

3542 Long Beach Blvd, Long Beach, CA 90807 (Primarily serves Long Beach, Wilmington, San Pedro)

Specialties & Features

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

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Plumb One LLC

4.6
(120 reviews)
Verified

A reliable local contractor that serves the entire South Bay region. They are noted for their professional diagnostics and customer service. They handle a wide array of services from minor faucet repairs to major sewer line replacements and commercial plumbing maintenance.

1409 W Rosecrans Ave, Compton, CA 90222 (Services Wilmington, Carson, Compton, and surrounding areas)

Specialties & Features

Residential and commercial plumbing services
Sewer services
Water heater installation and repair

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Wilmington

** The plumbing market in Wilmington, California, is competitive and served by a mix of highly localized handymen and larger, established companies from neighboring hubs like Long Beach and the South Bay. Due to the industrial and residential nature of the area, providers are well-versed in handling a range of issues, from older home plumbing systems to commercial facility needs. The average quality is high, as successful companies maintain robust online reputations and state licensing to compete. Typical pricing is in line with the greater Los Angeles metropolitan area, which is on the higher end nationally. A standard service call fee ranges from $80 to $150, with emergency rates being significantly higher. Hourly labor rates typically fall between $90 and $200. The competition helps keep pricing transparent, with many top-tier companies now offering free estimates and upfront, flat-rate quotes to win customer trust.

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 Wilmington regulations and climate

Frequently Asked Questions About Plumbing in Wilmington

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

1What are typical plumbing service costs for homeowners in Wilmington, and what factors influence the price?

In Wilmington, a standard service call (including diagnosis) typically ranges from $75 to $150, with hourly labor rates between $90 and $150. Major factors influencing final cost include the job's complexity, parts required, and whether the home has older plumbing common in Wilmington's historic neighborhoods. Always request a detailed, written estimate before work begins to avoid surprises, as California law requires licensed contractors to provide one for projects over $500.

2How does Wilmington's proximity to the port and coastal climate affect my home's plumbing?

Wilmington's salty, humid coastal air can accelerate corrosion on exposed pipes and water heaters, especially if they are not properly rated for marine environments. Furthermore, the area's older soil composition can lead to shifting foundations, which may stress and crack sewer lines. We recommend annual inspections of exposed plumbing and considering corrosion-resistant materials for any replacements to mitigate these local environmental factors.

3Are there specific local regulations in Wilmington or Los Angeles County I should know about for plumbing repairs or renovations?

Yes, all plumbing work in Wilmington must comply with the Los Angeles County Plumbing Code and often requires a permit from the LA County Department of Public Works. Notably, due to California's ongoing drought regulations, any renovation involving fixtures likely requires installation of low-flow, water-conserving toilets, showerheads, and faucets. A licensed, local plumber will handle these permit requirements to ensure your project is legal and up to code.

4What should I look for when choosing a reliable plumber in Wilmington?

First and foremost, verify the plumber holds a valid, active **California C-36 Plumbing Contractor License** through the CSLB website. Choose a company with a physical local address, strong community reputation, and proof of insurance. For Wilmington specifically, look for experience with the area's mix of older residential homes and the common issues they present, such as galvanized steel pipes or clay sewer lines.

5My drains are slow, especially in the fall. Is this a common issue in Wilmington, and what can be done?

Yes, this is a frequent seasonal issue. In fall, shedding trees like the many palms and ficus in Wilmington can invade sewer lines through cracks or loose joints, causing blockages. Additionally, the area's flat topography can contribute to slow drainage. We recommend having your main sewer line inspected with a camera, especially if your home is older, and considering preventative root treatment or pipe relining to address the root cause.