Serving Fairfax, CA

Local contractor in 94930

In Fairfax, CA 94930, our work often revolves around ensuring reliable plumbing systems in the face of aging infrastructure and heavy tree cover. We’ve completed about twenty-three projects in the area, focusing on everything from routine repairs to major installations. One recent job involved replacing an outdated 40-gallon water heater for a family, which had been struggling with inconsistent hot water supply. Our team efficiently installed a new high-efficiency model, restoring comfort and reliability to their home. With the unique challenges posed by older homes and the surrounding environment, we remain committed to providing effective plumbing solutions that enhance daily living for our community.

Fairfax, CA · 94930 26 local projects 11 reviews 5 avg. rating
See our recent work

Recent projects near 94930

Real work completed for homeowners in Fairfax and the surrounding areas.

An outdated garbage disposal was replaced with a new, efficient model, restoring kitchen functionality and convenience.

Remove And Replace 1/2 HP Garbage Disposal

An outdated or malfunctioning garbage disposal can cause significant inconvenience. We efficiently removed the old 1/2 HP garbage disposal and installed a new unit, ensuring optimal performance. Each step was performed with precision, restoring the kitchen's function for daily use.

When a family's aging water heater couldn't keep up, we replaced it with a new high-efficiency tank for dependable hot water.

Remove And Replace 40 Gallon Water Heater Tank

The aged water heater was unable to meet the family's hot water demands, leading to frequent disruptions. We efficiently removed the old 40-gallon tank and replaced it with a new, high-efficiency model, ensuring reliable hot water supply for their home.

A leaking kitchen faucet was replaced, enhancing functionality and ensuring optimal water flow for our customer.

Remove And Replace Kitchen Faucet

The old kitchen faucet was leaking and needed replacement. We efficiently removed the existing faucet, installed a new kitchen faucet, added new supply lines, and flushed and purged the water system to ensure optimal performance. This comprehensive service resolved the issue and rejuvenated the kitchen's functionality.

Remove & Replace Laundry Valve Box And Drain Line Up To Main.

Remove & Replace Laundry Valve Box And Drain Line Up To Main.

The laundry valve box was damaged, causing a leak that needed immediate attention. We expertly removed the old valve box, ensuring there was no further water damage, and replaced the drain line up to the main connection. This not only resolved the issue but also restored the functionality of the laundry room.

Clean Macerating Toilet Sensor.

Clean Macerating Toilet Sensor.

The macerating toilet sensor was malfunctioning, causing operational issues. We thoroughly cleaned and flushed the sensor to restore proper functionality, ensuring reliable performance moving forward. This comprehensive service addressed the problem effectively, leaving the unit fully operational and ready for use.

Remove Gas Valve And Cap Pipe

A malfunctioning gas valve can pose serious safety risks, so we efficiently removed the faulty valve to ensure proper operation. Following this, we capped the pipe securely, safeguarding the system for future use and maintaining optimal safety standards. This essential service helps prevent potential gas leaks and improves the overall functionality of the system.

A faulty pressure-reducing valve was replaced, stabilizing water pressure and enhancing system efficiency.

Replace Pressure-Reducing Valve

A faulty 1" pressure-reducing valve was causing inconsistent water pressure. We replaced the malfunctioning valve to ensure stable pressure levels throughout the system. Additionally, we installed a 3/4'' IPS thermal expansion tank to protect against excessive pressure surges, enhancing the system's efficiency and longevity.

Disposal Insinkerator 3/4 HP

Homeowners often struggle with outdated garbage disposals that hinder kitchen efficiency. To resolve this issue, we installed a reliable Insinkerator 3/4 HP unit, which ensures seamless operation and significantly enhances waste management in the kitchen. With this powerful upgrade, daily meal prep and cleanup become quicker and easier, effectively handling food scraps with ease.

INSTALL ICE MAKER VALVE BOX W/ AIR CHAMBER

An effective solution was needed for the ice maker issue. We installed an ice maker valve box with an air chamber to ensure proper water flow. After setting up the system, we flushed and purged the water lines to remove any debris, ensuring optimal performance and fresh ice production.

Remove And Replace Kitchen Sink Drain Assembly

Remove And Replace Kitchen Sink Drain Assembly

The kitchen sink drain assembly was experiencing leaks and inadequate drainage. We removed the old drain assembly and replaced it with a new, durable unit to ensure efficient water flow and prevent future issues. The new assembly was securely fitted, restoring the functionality of the sink and enhancing the overall kitchen setup.

Add Clean-Out And Perform Drain Cleaning

Clogged drains can lead to serious issues, so we conducted a thorough clean-out followed by drain cleaning to restore proper flow. Utilizing specialized equipment, we removed blockages and debris, ensuring the plumbing system operates efficiently once more. This comprehensive approach minimizes future problems and enhances overall drainage performance.

A dated toilet was replaced with an efficient model, while a new stylish kitchen faucet enhanced functionality.

Install New Toilet And New Kitchen Faucet

The old toilet was causing persistent issues, prompting a timely replacement. We carefully removed the outdated fixture and installed a new, efficient toilet, ensuring everything was secure and functional. Alongside, we upgraded the kitchen by installing a stylish new faucet, enhancing both the appearance and functionality of the space.

We stabilized a leaking toilet by replacing the wax ring and bolts, ensuring optimal performance for our client. #waxringreplacement #plumbingservices #toiletleak

Remove And Replace Toilet Wax Ring And Bolts

A leaking toilet can lead to water damage and inconvenience. We removed the old wax ring and bolts, ensuring a secure fit, and replaced them with new, sturdy components. This effectively eliminated any leaks and restored the toilet's stability for optimal performance.

Adjust Trip Lever And Fill Valve (Toilet)

The toilet was not functioning properly, leading to issues with the trip lever and fill valve. We carefully adjusted the trip lever for optimal flushing action and fine-tuned the fill valve to ensure the tank refilled efficiently. This comprehensive repair restored the toilet’s functionality and resolved the customer's concerns effectively.

Install Tankless Battery Backup.

To prevent potential outages, an effective solution was urgently needed for a homeowner’s water supply system. We installed a Tankless Battery Backup system, ensuring continuous access to hot water during interruptions. This upgrade enhances the reliability of their plumbing system and provides peace of mind for daily use.

Drain Cleaning

Drain Cleaning

A significant blockage was causing issues in the plumbing system. We utilized a snake machine to effectively clear the stoppage, restoring proper drainage in the residential property. This reliable solution ensured optimal functionality of all plumbing fixtures.

Tankless Water Heater Install

Tankless Water Heater Install

The existing water heating system wasn't providing sufficient hot water, creating an inconvenience for the household. We installed a tankless water heater equipped with a recirculating pump, ensuring a continuous supply of hot water on demand. This upgrade not only improved efficiency but also enhanced the overall comfort of the home's water heating capabilities.

New Ice Maker Valve Box Install

New Ice Maker Valve Box Install

The existing clamp valve was found to be non-compliant with plumbing codes, creating potential issues for the ice maker installation. We removed the outdated clamp valve and successfully installed a new ice maker valve box equipped with an air chamber, ensuring the setup meets current plumbing standards.

Hydro jetting effectively cleared ongoing drainage issues at a commercial facility, restoring proper flow and preventing future complications. #hidrojetting #draincleaning #plumbingservices

Hydro Jet

Addressing ongoing drainage issues, we utilized hydro jetting to thoroughly clean and clear the commercial drains. This effective method ensured that blockages were removed, restoring proper flow and preventing future sewer complications, thereby enhancing the facility's plumbing system.

New Clean-out Install

New Clean-out Install

To prevent potential water damage inside the home, we installed a new clean-out. This addition allows for easier maintenance of the plumbing system, ensuring it remains functional and reducing the risk of future plumbing issues. Our work enhances the home's overall plumbing efficiency.

Bathroom Remodel

Bathroom Remodel

Struggling with an outdated layout, the bathroom required a complete remodel to enhance functionality and style. We reset the entire layout, optimizing space by relocating fixtures, updating plumbing, and installing modern finishes that transformed the ambience into a contemporary oasis. The result is a stunning, user-friendly bathroom that meets the needs of today’s homeowners.

Unclog Toilet

Unclog Toilet

A persistent blockage was causing the toilet to overflow, creating a frustrating situation. We efficiently tackled the issue by using an auger tool to unclog the toilet, ensuring proper drainage and restoring normal function for the household. The job was completed swiftly and effectively, providing peace of mind for the homeowner.

Unclog Toilet

Unclog Toilet

When a toilet becomes clogged, it can create a significant inconvenience. We arrived with our auger tool to efficiently unclog the toilet. By maneuvering the auger through the plumbing, we resolved the blockage and ensured proper drainage, restoring the toilet's functionality.

Remove & Replace Pressure Reducing Valve

Remove & Replace Pressure Reducing Valve

A malfunctioning pressure reducing valve was causing inconsistent water pressure issues. We expertly removed the faulty valve and replaced it with a new, high-quality unit, ensuring optimal water flow and pressure throughout the system. This installation enhances the overall performance and reliability of the plumbing system for the property.

Repair Water Leak On Copper Pipe

Repair Water Leak On Copper Pipe

A persistent water leak on a copper pipe required immediate attention. We identified the source of the leak, cut and removed the damaged section of the pipe, and expertly soldered a new fitting to ensure a secure seal. Our thorough approach restored full functionality and eliminated any concerns about future leaks, providing peace of mind to the homeowner.

Bathroom Remodel

Bathroom Remodel

To maximize bathroom functionality in a compact space, we roughed in a new bathroom complete with a macerating toilet. This innovative solution efficiently manages waste elimination, enabling optimal use of the area. With attention to detail, we ensured that all necessary plumbing and structural work was completed to facilitate seamless installation and future use.

What Fairfax homeowners are saying

A 5★ average rating from 11 verified reviews.

Bonita Wahl
Jul 22, 2026

Big Island Plumbing was recommended to me by a house renovation/repair expert. I was able to book an appointment with Tai with no delays. Tai is easy to work with because he explains everything, checks the system for possible future plumbing fixes and works efficiently to get the job done well.i will definitely call Big Island Plumbing/Tai when it’s time for the next repair or upgrade. I recommend Big Island Plumbing.

Jonathan Olmsted
May 6, 2026

Tai with Big Island Plumbing did a great job capping the old gas line in our kitchen. On time, effecient, very professional. Highly recommended!

Jeff Dugan
Apr 3, 2026

Tai and Glen both are pros. Tai does great work. I will call them for all my plumbing needs!

kenneth korr
Mar 28, 2026

Tai came to replace our insinkerator. He did a great job!! He was punctual, efficient, tidy and very knowledgeable. He offered t help with future projects and will be back as we do some kitchen renovations. Also Big Island Plumbing has excellent computer communications with emails, plans and invoices. Overall very modern and customer friendly. Would give a 5 Star recommendation.

Andrew Castellanos
Mar 16, 2026

Tai is the real deal. He responds quickly, works efficiently, and leaves the space cleaner than he found it. The quality is there, and so is the price — no sticker shock, just fair, honest work. If you own a home, Tai is the plumber you want in your contacts!

Ginny Kuhel
Mar 2, 2026

Tai was great. Explained what he was doing plus fast and efficient

Cindy Ross
Feb 25, 2026

Tai is thorough, friendly, respectful, competent and all around awesome. Highly recommend Big Island Plumbing.

Barry
Dec 3, 2025

I've been using Big Island Plumbing for close to 10 years. Glenn and his team have done multiple projects and repairs around my house and have been honest and reliable. I wouldn't hesitate to call them with any plumbing issues.

Mark Solomons
Oct 17, 2025

So pleased with response time and professionalism. I have used Big Island for all my plumbing needs and always been happy with the service. Thank you.

Sheyla C.
Oct 13, 2025

Glenn and Tai from Big Island Plumbing are professional and trustworthy and truly care about their customers. They’re well-known in Marin County for their reliability, friendly attitude, and quality workmanship. You can always count on them to give you honest recommendations and do the job right. Everyone who works with them has nothing but great things to say. If you’re looking for dependable, experienced plumbers who take pride in what they do, the Big Island Plumbing team are an excellent choice!

Also serving nearby areas

We provide the same trusted service to all of the surrounding ZIP codes.