Expert Repiping Service in San Jose, CA

15+ years replacing galvanized and failing pipes across San Jose. Copper and PEX options with full wall restoration.

Whole House Repiping in San Jose, CA

The Right Repiping for Your Home or Business in Santa Clara County

If you live in one of San Jose's older neighborhoods and you're dealing with rusty water, multiple leaks, or water pressure that's dropped over the years, the problem likely isn't just your pipes, it's your entire piping system. At Venture Plumbing, we've repiped hundreds of homes across San Jose since 2009, from 1950s Willow Glen bungalows with original galvanized steel to 1970s Eichlers in South San Jose with corroded copper lines. Our licensed and insured team handles everything from initial inspection to final drywall restoration, giving you a completely renewed plumbing system built to last another 50+ years.

Our San Jose repiping services include:

• Whole house copper repiping
• Whole house PEX repiping
• Partial repiping and sectional pipe replacement
• Galvanized pipe replacement
• Polybutylene pipe replacement
• Water main line replacement
• Supply line replacement to fixtures
• Shut-off valve upgrades
• Hose bib replacement
• Complete drywall restoration and patching
• City of San Jose permit coordination and inspection

Contact us now at (408) 898-2500 or reach out online to speak to one of our professionals about dependable San Jose, CA piping and repiping services.

Why So Many San Jose Homes Need Repiping

San Jose's housing stock creates unique repiping challenges that homeowners across the South Bay know all too well.

Galvanized Steel Pipes in Pre-1970 Homes

Thousands of homes in established neighborhoods like Willow Glen (95125, 95126), Rose Garden (95126), and Naglee Park (95112) were built with galvanized steel water lines. These pipes were standard from the 1920s through the 1960s, but after 50-60 years of use, the zinc coating wears away and the underlying steel corrodes from the inside out. The result becomes rusty water, restricted flow, and pipes that can develop pinhole leaks seemingly overnight.

Eichler Homes and Radiant Heating Challenges

San Jose has one of the highest concentrations of Eichler homes in California, particularly in neighborhoods like Fairglen (95123), Fairhaven (95123), and parts of South San Jose. These mid-century modern homes present specific repiping challenges: slab-on-grade construction with pipes running beneath concrete, original copper lines that have corroded due to soil chemistry, and radiant floor heating systems that require specialized knowledge to work around. Our team has extensive experience with Eichler repiping, including homes near Bernal Road and Santa Teresa Boulevard.

San Jose's Hard Water Accelerates Pipe Failure

San Jose Water Company reports water hardness ranging from 7-10 grains per gallon across most of the city, with some areas near Almaden Valley (95120) and parts of Evergreen (95135, 95148) seeing even higher mineral content. This hard water deposits calcium and magnesite scale inside pipes year after year. In copper lines, the buildup restricts water flow. In galvanized pipes, it accelerates corrosion. Either way, hard water shortens pipe lifespan and makes eventual repiping unavoidable.

Signs Your San Jose Home Needs Repiping

Not every plumbing problem requires a full repipe. But when you're seeing multiple warning signs across different areas of your home, isolated repairs become a losing battle.

Rusty or Discolored Water

When you turn on a faucet and the water runs brown, orange, or yellow, especially hot water, corrosion inside your pipes is the likely culprit. If this happens at multiple fixtures, the problem is systemic, not localized.

Chronic Low Water Pressure

If your water pressure has gradually declined over months or years, internal scale buildup and corrosion are restricting flow throughout your system. A pressure test at your water main can confirm whether the problem is inside your home's piping.

Frequent Leaks in Different Locations

A leak can happen to any home. But if you've had leaks under multiple sinks, behind walls, or at various connection points within a short period, your entire piping system is likely failing. Each repair is just buying time until the next failure.

Visible Pipe Corrosion

Look under sinks, in your garage, and anywhere pipes are exposed. Greenish deposits on copper, flaking or bubbling on galvanized steel, and white mineral buildup are all signs of pipes nearing end of life.

Your Home Was Built Before 1970

If your San Jose home has its original plumbing and was built before 1970, you almost certainly have galvanized steel pipes. These pipes have a 40-60 year lifespan, which means they're now well past their expected service life.

Polybutylene Pipes (1978-1995)

Some homes built between 1978 and 1995 have polybutylene (poly-B) pipes, which are typically gray, blue, or black plastic. These pipes are notorious for sudden, catastrophic failures and are no longer approved for use. If your home has poly-B pipes, repiping isn't optional, it's essential.

How We Repipe San Jose Homes

Repiping sounds disruptive, but our process is designed to minimize impact on your daily life while ensuring thorough, code-compliant work.

Step 1: Detailed In-Home Assessment

We start with a comprehensive inspection of your current plumbing system. We'll identify what type of pipes you have (galvanized, copper, polybutylene, or a mix), assess their condition, map out your system's layout, and identify the access points we'll need. You'll receive a detailed written estimate before any work begins.

Step 2: Permits and Planning

Whole house repiping in San Jose requires a permit from the City of San Jose Building Division. We handle the entire permit process, ensuring your new plumbing meets current California Plumbing Code requirements. This protects you and ensures the work passes final inspection.

Step 3: Strategic Access Points

Rather than tearing out entire walls, we create small, strategic openings to access pipe runs. We protect your floors, furniture, and belongings throughout the process. Our crews are trained to work cleanly and minimize the footprint of the project.

Step 4: New Pipe Installation

Our team of experts install your new piping system, either Type L copper or PEX, depending on your home's needs and your preference. Every connection is pressure-tested before we proceed. Water service is typically interrupted for portions of each workday, but we restore service each evening so you can use your bathrooms and kitchen overnight.

Step 5: Testing and Inspection

Once installation is complete, we perform a full pressure test of the entire system and schedule the required city inspection. We don't consider the job done until it passes inspection.

Step 6: Wall Restoration

This is where many repiping companies cut corners. Not us. Our crew patches all drywall openings, textures to match your existing walls, and primes the repair areas. We leave you ready for paint, not staring at exposed holes.

Copper vs. PEX: Which Is Right for Your Home?

Durable Piping Installations in Santa Clara County

Your pipes are critical for bringing in fresh water and removing waste, so you will only want materials that are durable to withstand many years of use. It is important to not just think about what substance your pipes are made from, but how they are arranged. One false step could risk disrupting the other key systems around your property, from the layout of your electrical wires to the precarious gas line. When it comes to arranging for a superior installation, let our experts handle your piping from the very beginning to ensure that the job is done right from start to finish.

Keeping Your Property In Optimal State With Repiping

Although the initial answer for a problem in your pipes is usually a rapid but effective repair from one of our San Jose, CA piping professionals, there are times when a better alternative is to completely repipe your system. If you have noticed that an issue keeps cropping back up in your pipes, even though they already received thorough repairs a few months ago, this is a sure sign there is a deeper issue at stake. Your pipelines may have been so corroded that fixing a leak in one portion does not resolve a new hole that has appeared in another section. If the entirety of your pipe has become weakened from mineral erosion over several years, scheduling yet another patch will simply not solve the problem.

When this occurs, the best option is to schedule powerful repiping. By having your lines completely repiped by our piping experts, you can feel the relief of knowing that your pipes will not suddenly collapse without warning. Moreover, our excellent and affordable options for copper or PEX repiping will save you a lot of money in the long run, which would otherwise be wasted on inefficient repairs.

Why Choose Venture Plumbing?

Family Owned & Operated

We're not a franchise. When you call Venture Plumbing, you're working with a local family business that's been part of the San Jose community for over 15 years. Owner Derek and our team take personal pride in every repipe we complete.

Specialized Experience with Older San Jose Homes

We've repiped Eichlers, Craftsman bungalows, mid-century ranches, and everything in between. Our team understands the unique challenges of San Jose's diverse housing stock, from slab-on-grade foundations to plaster walls.

Family Owned & Operated

Every repipe we perform is properly permitted with the City of San Jose and completed by licensed plumbers (License #C934775). We schedule the required inspection and don't consider the job complete until it passes.

Transparent, Upfront Pricing

You'll receive a detailed written estimate before we begin work. No hidden fees, no surprise charges. The price we quote is the price you pay.

Serving All San Jose Neighborhoods and the Surrounding South Bay

Venture Plumbing provides whole house repiping throughout San Jose and surrounding South Bay communities:

San Jose Neighborhoods We Serve:

• Willow Glen (95125, 95126): Tree-lined streets with classic bungalows and Victorians built 1920s-1950s. Many homes still have original galvanized pipes. Common repiping candidates.
• Almaden Valley (95120): Upscale homes with larger lots built 1960s-1990s. Copper pipes showing signs of pinhole leaks. Preventive repiping popular.
• Cambrian Park (95124): Family-oriented neighborhood with ranch-style homes from 1950s-1970s. Original galvanized and polybutylene pipes common. Hard water accelerates pipe corrosion.
• Rose Garden (95126): Historic district with beautiful older homes near Municipal Rose Garden. Many properties with galvanized steel pipes. Repiping preserves historic home value.
• Naglee Park (95112): Historic neighborhood near San Jose State University. Mix of student rentals and family homes. Older pipe materials need replacement.
• Evergreen (95135, 95148): Newer developments in eastern foothills built 1980s-2000s. Some homes with polybutylene pipes prone to failure. PEX repiping common.
• Silver Creek (95138): Master-planned community with newer construction. Occasional builder-grade copper showing early pinhole leaks. Preventive repiping extends plumbing life.
• Berryessa (95132, 95133): Established neighborhood with homes from 1960s-1980s. Copper and galvanized pipes nearing end of lifespan. Hard water causes accelerated corrosion.
• North San Jose (95131, 95134): Tech corridor with mix of older and newer construction. Commercial and residential repiping. Growing area with aging infrastructure.
• Downtown San Jose (95110, 95113): Urban core with historic buildings and converted spaces. Challenging repipes in multi-unit buildings. Copper and galvanized replacement common.

Surrounding Communities:

• We also serve surrounding cities such as Campbell, Santa Clara, Saratoga, Los Gatos, Los Altos, Cupertino, Sunnyvale, Mountain View and throughout the South Bay.

Looking for a San Jose repipe specialist near you?  Contact us to schedule service in your area.