7 Best Plumbers in Norwalk, CA (2026)

Norwalk sits in the heart of southeast LA County, with a mix of 1950s ranch homes, 1970s apartment complexes, and newer infill construction. The city's plumbing challenges include aging galvanized pipes, hard water from local wells, and sewer laterals that connect to the Sanitation Districts of LA County system.

We reviewed Norwalk plumbing companies across Google, Yelp, HomeAdvisor, and the BBB. Here are the top seven.

1. All City Plumbing, Air and Electrical

Specialty: Full-service plumbing, HVAC, electrical Rating: 4.8 stars (Google) 24/7 Emergency: Yes

All City is a large regional company with strong coverage in Norwalk and surrounding cities. Their size means they can usually dispatch same-day, and they handle everything from simple faucet repairs to full repiping.

Best for: Homeowners who want a one-stop shop for plumbing, HVAC, and electrical.

2. Chris Neighborhood Plumbing

Specialty: Residential repairs, water heater replacement Rating: 4.9 stars (Yelp)

A smaller operation with a strong word-of-mouth reputation in the Norwalk and Downey area. Chris focuses on residential work and is known for honest assessments. Multiple reviews note that he will tell you when something does not need replacing.

Best for: Honest residential plumbing work without upselling.

3. Rapid Plumbing

Specialty: Sewer repair and replacement, drain cleaning Years in Business: 20+ Rating: 4.7 stars (Google)

Rapid Plumbing has over two decades of experience serving southeast LA County. They specialize in sewer repair and replacement, which is critical for Norwalk's older neighborhoods where original clay sewer laterals are failing.

Best for: Sewer line work and older home plumbing systems.

4. SJ Plumbing

Specialty: General plumbing, leak detection Rating: 4.8 stars (Yelp)

SJ Plumbing serves the greater Norwalk area with a focus on residential leak detection and repair. They are known for competitive pricing and quick response times. Their leak detection service is particularly relevant for Norwalk homes on slab foundations.

Best for: Leak detection and general residential repairs.

5. Prodigy Plumbing and HVAC

Specialty: Water heater installation, tankless upgrades, HVAC Rating: 4.8 stars (Google)

Prodigy handles both plumbing and HVAC, which is convenient for Norwalk homeowners dealing with aging water heaters and furnaces simultaneously. They offer tankless water heater conversions and are familiar with local permitting requirements.

Best for: Water heater upgrades and combined plumbing-HVAC needs.

6. Power Pro Plumbing, Heating and Air

Specialty: Emergency plumbing, drain cleaning, water heater repair Rating: 4.7 stars (Google) 24/7 Emergency: Yes

Power Pro is a family-oriented company covering greater LA County with a focus on Norwalk and neighboring cities. They are known for fast response times, particularly for emergency calls. Multiple reviews mention same-day service even on weekends.

Best for: After-hours emergencies and weekend plumbing needs.

7. Mr. Rooter Plumbing

Specialty: Drain cleaning, hydro jetting, sewer line repair Rating: 4.6 stars (Google) 24/7 Emergency: Yes

Mr. Rooter is a national franchise with a strong local presence in southeast LA County. Their flat-rate pricing model means no hourly surprises, which appeals to first-time customers.

Best for: Customers who prefer flat-rate pricing and a national warranty.

Common Plumbing Issues in Norwalk

Norwalk's plumbing issues reflect its housing age and geography. Galvanized pipe corrosion affects most pre-1970 homes. Hard water from local groundwater causes mineral buildup in pipes and water heaters. Original clay sewer laterals are reaching end-of-life in many neighborhoods. Wall heaters in 1950s-1960s homes often need gas line inspection and updating.

Need a Plumber Right Now?

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