Top Repiping Contractors in Los Angeles, California Ranked

If you're a homeowner in Los Angeles, you know that the city's iconic homes come with a history-and sometimes, that history includes aging, problematic plumbing. Repiping, the process of replacing all the water supply pipes in your home, is a critical upgrade for many properties across LA. It addresses persistent issues like low water pressure, discolored water, and the constant threat of leaks, ultimately protecting your investment and improving your daily life. This guide will help you understand the full scope of a whole-house repipe, from the materials used to the timeline and investment involved, so you can make an informed decision for your home.

All City Plumbing, Air & Electrical

5612 E La Palma Ave, Anaheim, CA 92807

All City Plumbing, Air & Electrical is a full-service plumbing, HVAC, and electrical provider located in Anaheim, CA. They offer a wide range of services including water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, repiping, and toilet repair. Their team is licensed, bonded, and insured, with technicians who are ACE Certified and available 24/7 for emergency plumbing and HVAC needs. With over 13 years of experience serving Anaheim and surrounding areas, they use advanced technology to ensure efficient and reliable service.

5.0

1.9k Reviews

Dymek's Freedom Plumbing, Inc

2921 E Miraloma Ave #17, Anaheim, CA 92806

Dymek's Freedom Plumbing, Inc is a plumbing service provider based in Anaheim, CA, offering a wide range of residential and commercial plumbing solutions. Their services include sewer camera inspections, water heater installation and repair, drain cleaning, hydro jetting, trenchless sewer repair, leak detection, repiping, and garbage disposal repairs. They utilize advanced technology such as electronic slab leak detection and sewer video inspection to diagnose and address plumbing issues efficiently. With over 25 years of experience, the company emphasizes old-fashioned values combined with modern technology and is available 24/7 for emergency plumbing needs.

5.0

1.0k Reviews

Merry Plumbing

1465 San Marino Ave, San Marino, CA 91108

Merry Plumbing is a well-established plumbing company serving Los Angeles, CA, and nearby areas including Pasadena, San Marino, and Glendora. With 79 years in business since 1946, they provide a wide range of plumbing services such as sewer camera inspection, water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, and repiping. Their team is equipped to handle both residential and commercial plumbing needs with modern tools and on-site parts availability. Merry Plumbing emphasizes clear, upfront estimates and has built a reputation for thorough and dependable service over many decades.

5.0

645 Reviews

Carlson Plumbing Pros

17150 Newhope St Suite 301-302, Fountain Valley, CA 92708

Carlson Plumbing Pros is a licensed plumbing company serving Santa Ana, CA, and the broader Orange County area. They offer a wide range of plumbing services including water heater repair, water softener installation, drain cleaning, sewer line repair, leak detection, repiping, and gas line installation. With over 20 years of experience, they provide skilled plumbing solutions and are equipped to handle emergencies with 24/7 availability.

5.0

357 Reviews

Premier 1 Plumbing, Inc.

120 E Santa Anita Ave, Burbank, CA 91502

Premier 1 Plumbing, Inc. is a family-owned plumbing company serving Los Angeles, CA. They provide a wide range of plumbing services for homes and businesses, including repairs and complete repiping jobs. Their licensed plumbers have repaired over 1,300 pipes and 800 faucets, demonstrating their experience and capability. The company emphasizes professionalism and expert workmanship to restore plumbing systems efficiently. Premier 1 Plumbing has built its reputation over several years and offers a 100% customer satisfaction guarantee.

5.0

316 Reviews

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Why Los Angeles Homes Often Need Repiping

Los Angeles boasts a diverse architectural landscape, from historic Craftsman bungalows in neighborhoods like Highland Park to mid-century modern gems in the hills. Many of these beloved homes were built with plumbing materials that were standard at the time but are now known to fail. Two common culprits in older LA homes are galvanized steel and polybutylene pipes.

Galvanized steel pipes, used extensively through the 1970s, are prone to internal corrosion and rust buildup over decades. This corrosion severely restricts water flow, leading to the frustratingly low water pressure many older home residents experience. It can also cause water to appear brown or yellow-a sign of rust particles. Polybutylene pipes, a plastic material used from the late 1970s to mid-1990s, are susceptible to becoming brittle and cracking, especially when exposed to common disinfectants in municipal water like chlorine ^{1 2}.

A full plumbing replacement is often the most permanent and cost-effective solution to these systemic problems, preventing recurring leaks, water damage, and restoring clean, reliable water flow throughout your property.

The Step-by-Step Repiping Process

Understanding what happens during a repiping project can alleviate anxiety and help you prepare. A professional whole-house re-pipe is a multi-stage process designed for efficiency and minimal long-term disruption.

1. Inspection and Planning A licensed plumber will conduct a thorough assessment of your existing system. They will identify the pipe materials, map the current water line routes, and locate your main shut-off valve. This stage is crucial for creating a detailed plan for the new pipe installation, including the most efficient pathways and the materials needed. They will also discuss protecting your floors, furniture, and personal belongings before work begins ^{1 3 4}.

2. Access and Removal To remove the old pipes and install new ones, technicians need to create access points. This typically involves cutting small, strategic openings in drywall at key locations, such as where pipes branch off to fixtures. The old pipes are then carefully cut out and removed from the home. A reputable plumbing team will keep this demolition phase as neat and contained as possible ^{5 6 7}.

3. Installation of New Piping This is the core of the project. The new water lines, using modern materials like PEX or copper (discussed below), are run through the open walls, ceilings, and floors, following the new planned route. The system is connected to your main water line and all fixtures-sinks, toilets, showers, dishwasher, washing machine, etc. ^{8 4}.

4. Pressure Testing and Inspection Before closing up the walls, the new system is rigorously tested. The plumber will pressurize the new pipes and check every connection for leaks. This critical quality assurance step ensures the integrity of the installation before any restoration work begins ^{3 5}.

5. Restoration Once the plumbing passes inspection, the restoration phase starts. The plumbing crew will typically patch the access holes with new drywall, apply tape and joint compound (mud), and sand it smooth. Some companies include a primer coat of paint, while others may leave the final painting to you or a contractor you hire. The goal is to return your walls and ceilings to a condition ready for finishing ^{6 7}.

Choosing the Right Pipe Material for Your LA Home

The choice of material for your new plumbing system is a significant decision that affects cost, longevity, and performance. The two most common options for repiping in Los Angeles are PEX and copper.

PEX (Cross-Linked Polyethylene) PEX has become the leading choice for residential repiping projects, and for good reason. It's a flexible, durable plastic tubing that is highly resistant to scale and corrosion. Its flexibility allows it to be snaked through walls with far fewer fittings and joints than rigid pipe, which reduces potential leak points and can lower installation time and cost. PEX is also excellent at withstanding freezing temperatures, which, while rare in LA, can be a concern in some foothill areas. Furthermore, its slight flexibility is considered a benefit in a seismically active region like Southern California ^{9 3 10}.

Copper Copper piping is the traditional gold standard, known for its exceptional durability and long lifespan-often 50 years or more. It has natural antimicrobial properties and is highly resistant to UV light (though it's installed inside walls). Many homeowners and appraisers view a copper repipe as a premium upgrade that can add to a home's resale value. However, copper is more expensive than PEX, both in material cost and labor, as it requires soldering each joint. It is also a rigid material, making installation in tight spaces more challenging ^{3 5 8}.

CPVC (Chlorinated Polyvinyl Chloride) CPVC is another plastic option, similar to PVC but designed for hot water. It is rigid and requires glue at each joint. While durable and less expensive than copper, it has become less common for whole-house repipes compared to the more versatile and robust PEX ¹⁰.

A professional plumber can discuss the pros and cons of each material in the context of your specific home, budget, and long-term plans.

Understanding the Investment: Cost and Timeline

A whole-house repipe is a substantial home improvement investment, but one that pays off in reliability, water quality, and peace of mind.

Project Timeline The duration of a repiping project varies based on the size and layout of your home. A straightforward job in a smaller, single-story home may be completed in 1 to 3 days. For larger homes, multi-story properties, or those with complex layouts (like concrete slab foundations), the project can extend to a week or more. The timeline includes the plumbing work itself and the initial drywall patching ^{9 8 11}.

Cost Factors In Los Angeles, the cost for a complete repipe typically ranges from $5,000 to over $20,000, with complex or very large homes potentially reaching $30,000 or more ^{1 9 12}. Several key factors influence the final price:

• Home Size and Number of Fixtures: A 4-bedroom, 3-bathroom home will cost significantly more to repipe than a 2-bedroom, 1-bath home due to the sheer amount of material and labor required.
• Pipe Material: As noted, a copper repipe is generally more expensive than a PEX system.
• Accessibility: Homes where pipes are easily accessible (e.g., in an unfinished basement or crawlspace) are less expensive to repipe than those where pipes are buried in concrete slabs or behind hard-to-reach finished walls.
• Labor Rates: Costs can vary between plumbing companies based on expertise, licensing, and overhead.
• Restoration: The quote should clarify what level of wall and ceiling repair is included. Some quotes may be for the plumbing work only, leaving drywall and painting as a separate cost ^{1 13 12}.

Always get detailed, written estimates from multiple licensed, insured, and well-reviewed plumbing contractors in Los Angeles. The lowest price isn't always the best value; ensure the estimate clearly outlines the scope of work, materials to be used, warranty, and restoration details.

Signs Your Los Angeles Home May Need Repiping

How do you know if it's time to consider this major project? Look for these common indicators:

• Discolored Water: Brown, yellow, or rusty water, especially when you first turn on the tap.
• Consistently Low Water Pressure: Reduced flow at multiple fixtures that isn't solved by cleaning aerators.
• Frequent Leaks: Recurring pinhole leaks or repairs in your water lines.
• Visible Pipe Corrosion: Signs of rust, flaking, or moisture on exposed pipes, such as under sinks or in the basement.
• Water Quality Issues: A metallic taste or odor in your drinking water.

If you're experiencing several of these issues, consulting with a repiping specialist for an inspection is a prudent next step to assess the condition of your home's plumbing infrastructure.

Frequently asked questions

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