Photograph of a smiling man with a beard, wearing a green shirt with the logo 'Emerald Systems,' standing in front of a dark green wall with copper and green pipes, tools, and equipment for plumbing or HVAC work.
Photograph of a smiling man with a beard, wearing a green shirt with the logo 'Emerald Systems,' standing in front of a dark green wall with copper and green pipes, tools, and equipment for plumbing or HVAC work.

Real Plumbing Solutions.

RECENT PROJECTS

Real Results.

Every project starts with a diagnosis.

See how Emerald Systems helps East Bay homeowners identify the root cause, understand their options, and restore confidence in their plumbing systems.

We Don't Guess—We Diagnose.

Real Plumbing Solutions.

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RECENT PROJECTS

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Every project starts with a diagnosis.

See how Emerald Systems helps East Bay homeowners identify the root cause, understand their options, and restore confidence in their plumbing systems.

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📍 Serving:  Oakland • San Leandro • San Lorenzo • Hayward • Castro Valley • Union City • Fremont

TOILET INSTALLATION       

COMMERCIAL TOILET INSTALLATION AT EYE OPTIQUE

OUTCOME

The restroom upgrade was completed successfully with the new dual-flush toilet fully installed, tested, and verified for proper operation. The new dual-flush toilet was installed, tested, and verified for proper operation. Supporting plumbing components were upgraded to improve reliability, and the system was confirmed to be operating with proper flushing performance and leak-free operation.

SOLUTION

The existing fixture was removed and the installation area was prepared. A new one-piece dual-flush toilet was installed along with a new angle stop valve and water supply line. All plumbing connections were secured, adjusted, and tested throughout the installation process.

Before and after images of a bathroom renovation showing a toilet, sink, and wall art. The before image shows the toilet being replaced, and the after image shows a clean bathroom with a new toilet, sink, and mirror.

PROBLEM

Eye Optique required a restroom fixture upgrade to improve reliability, functionality, and overall user experience. Supporting plumbing components were also evaluated to ensure dependable long-term performance.

📍SOUTH SAN FRANCISCO, CALIFORNIA 

DIAGNOSIS

Prior to installation, the existing fixture was removed and the drain connection, flange area, and supporting plumbing components were inspected. The water supply connection and angle stop valve were also evaluated to determine whether additional upgrades would improve reliability.

PROBLEM

Eye Optique required a restroom fixture upgrade to improve reliability, functionality, and overall user experience. Supporting plumbing components were also evaluated to ensure dependable long-term performance.

DIAGNOSIS

Prior to installation, the existing fixture was removed and the drain connection, flange area, and supporting plumbing components were inspected. The water supply connection and angle stop valve were also evaluated to determine whether additional upgrades would improve reliability.

PROBLEM

The homeowner wanted to upgrade to a more comfortable, hygienic, and efficient bathroom experience with a new TOTO toilet and integrated Washlet system.

DIAGNOSIS

We evaluated the existing rough-in, water supply, and electrical access to ensure compatibility with a TOTO 2-piece toilet and Washlet.

SOLUTION

Installed a new TOTO 2-piece toilet with integrated Washlet bidet seat. Completed plumbing and electrical connections, secured the supply line, and tested all functions to ensure proper operation.

OUTCOME

The homeowner now enjoys a modern, comfortable, and hygienic bathroom upgrade with advanced Washlet functionality, improved convenience, and a clean professional installation.

SOLUTION

The existing fixture was removed and the installation area was prepared. A new one-piece dual-flush toilet was installed along with a new angle stop valve and water supply line. All plumbing connections were secured, adjusted, and tested throughout the installation process.

OUTCOME

The restroom upgrade was completed successfully with the new dual-flush toilet fully installed, tested, and verified for proper operation.

The new dual-flush toilet was installed, tested, and verified for proper operation. Supporting plumbing components were upgraded to improve reliability, and the system was confirmed to be operating with proper flushing performance and leak-free operation.

NEW TOTO TOILET & WASHLET INSTALLATION

TOILET INSTALLATION       

Progress photos of toilet installation. The first image shows an old toilet removed from the bathroom floor. The second image shows the assembly of a new toilet by TOTO with the toilet bowl and tank in place, surrounded by tools and packaging materials. The third image shows the completed installation with the new toilet fully installed and ready for use.

PROBLEM

The homeowner wanted to upgrade to a more comfortable, hygienic, and efficient bathroom experience with a new TOTO toilet and integrated Washlet system.

📍 EAST BAY AREA, CALIFORNIA

DIAGNOSIS

We evaluated the existing rough-in, water supply, and electrical access to ensure compatibility with a TOTO 2-piece toilet and Washlet.

SOLUTION

Installed a new TOTO 2-piece toilet with integrated Washlet bidet seat. Completed plumbing and electrical connections, secured the supply line, and tested all functions to ensure proper operation.

PROBLEM

The homeowner wanted to upgrade to a more comfortable, hygienic, and efficient bathroom experience with a new TOTO toilet and integrated Washlet system.

OUTCOME

The homeowner now enjoys a modern, comfortable, and hygienic bathroom upgrade with advanced Washlet functionality, improved convenience, and a clean professional installation.

DIAGNOSIS

We evaluated the existing rough-in, water supply, and electrical access to ensure compatibility with a TOTO 2-piece toilet and Washlet.

PROBLEM

The homeowner wanted to upgrade to a more comfortable, hygienic, and efficient bathroom experience with a new TOTO toilet and integrated Washlet system.

DIAGNOSIS

We evaluated the existing rough-in, water supply, and electrical access to ensure compatibility with a TOTO 2-piece toilet and Washlet.

SOLUTION

Installed a new TOTO 2-piece toilet with integrated Washlet bidet seat. Completed plumbing and electrical connections, secured the supply line, and tested all functions to ensure proper operation.

SOLUTION

Installed a new TOTO 2-piece toilet with integrated Washlet bidet seat. Completed plumbing and electrical connections, secured the supply line, and tested all functions to ensure proper operation.

OUTCOME

The homeowner now enjoys a modern, comfortable, and hygienic bathroom upgrade with advanced Washlet functionality, improved convenience, and a clean professional installation.

OUTCOME

The homeowner now enjoys a modern, comfortable, and hygienic bathroom upgrade with advanced Washlet functionality, improved convenience, and a clean professional installation.

TOILET FILL VALVE REPLACEMENT

TOILET REPAIR        

Sequence of three images showing the replacement of a faulty fill valve in a toilet. The first image shows the toilet with the tank lid open and a box of replacement parts on top. The second image shows the tank with the old valve removed and new parts being installed. The third image shows the tank with the new proper refill valve installed and the toilet functioning correctly.

PROBLEM

The homeowner was experiencing inefficient water control due to a faulty toilet fill valve, affecting the toilet's ability to refill properly after flushing.

📍 EAST BAY AREA, CALIFORNIA

DIAGNOSIS

Inspection of the toilet tank confirmed that the existing fill valve was worn and no longer regulating water flow efficiently.

SOLUTION

Removed the faulty fill valve and installed a new Fluidmaster fill valve to restore proper water regulation and improve refill performance.

PROBLEM

The homeowner was experiencing inefficient water control due to a faulty toilet fill valve, affecting the toilet's ability to refill properly after flushing.

OUTCOME

The toilet now refills correctly with improved water efficiency, reliable operation, and consistent tank performance.

DIAGNOSIS

Inspection of the toilet tank confirmed that the existing fill valve was worn and no longer regulating water flow efficiently.

PROBLEM

The homeowner wanted to upgrade to a more comfortable, hygienic, and efficient bathroom experience with a new TOTO toilet and integrated Washlet system.

SOLUTION

Removed the faulty fill valve and installed a new Fluidmaster fill valve to restore proper water regulation and improve refill performance.

DIAGNOSIS

We evaluated the existing rough-in, water supply, and electrical access to ensure compatibility with a TOTO 2-piece toilet and Washlet.

OUTCOME

The toilet now refills correctly with improved water efficiency, reliable operation, and consistent tank performance.

SOLUTION

Installed a new TOTO 2-piece toilet with integrated Washlet bidet seat. Completed plumbing and electrical connections, secured the supply line, and tested all functions to ensure proper operation.

OUTCOME

The homeowner now enjoys a modern, comfortable, and hygienic bathroom upgrade with advanced Washlet functionality, improved convenience, and a clean professional installation.

ROSE STEM OBSTRUCTION REMOVAL

GARBAGE DISPOSAL REPAIR

📍 EAST BAY AREA, CALIFORNIA

A man with a beard and tattoos, wearing a black baseball cap and black T-shirt, holding a garbage disposal in a kitchen. On the kitchen counter, there is a trash disposal tool. The middle image shows a clogged sink with debris and a branch. The right image shows the man smiling, holding the garbage disposal, with the cleaned sink in front of him.

PROBLEM

The homeowner reported a garbage disposal that had stopped operating properly. The unit appeared to be jammed, preventing normal use of the kitchen sink.

PROBLEM

The homeowner reported a garbage disposal that had stopped operating properly. The unit appeared to be jammed, preventing normal use of the kitchen sink.

DIAGNOSIS

After disconnecting and inspecting the disposal, a rose stem and additional debris were found lodged inside the grinding chamber, creating an obstruction that prevented proper operation.

SOLUTION

The garbage disposal was removed from the sink drain assembly, the obstruction was safely extracted, and the unit was thoroughly inspected. Once cleared, the disposal was reinstalled, reconnected to the existing plumbing, and pressure-tested for leaks.

OUTCOME

The blockage was successfully removed, restoring normal disposal function. The system was tested for leaks and returned to reliable working condition, allowing the homeowner to use the kitchen sink and disposal with confidence.

OUTCOME

The blockage was successfully removed, restoring normal disposal function. The system was tested for leaks and returned to reliable working condition, allowing the homeowner to use the kitchen sink and disposal with confidence.

SOLUTION

The garbage disposal was removed from the sink drain assembly, the obstruction was safely extracted, and the unit was thoroughly inspected. Once cleared, the disposal was reinstalled, reconnected to the existing plumbing, and pressure-tested for leaks.

DIAGNOSIS

After disconnecting and inspecting the disposal, a rose stem and additional debris were found lodged inside the grinding chamber, creating an obstruction that prevented proper operation.

INSPECTION & MAINTENANCE

TANKLESS WATER HEATER

Sequence showing a tankless water heater before, during service inspection, and after reassembly, with technician working outside.

PROBLEM

The homeowner requested service for an outdoor tankless water heater system to ensure it was operating properly and to address potential performance concerns before they became larger issues.

📍FREMONT, CALIFORNIA     

PROBLEM

The homeowner requested service for an outdoor tankless water heater system to ensure it was operating properly and to address potential performance concerns before they became larger issues.

DIAGNOSIS

Rather than making assumptions, the system was opened and thoroughly inspected to evaluate its condition and identify any maintenance requirements. A detailed diagnostic inspection was performed to verify overall system health and confirm that all major components were operating as intended.

SOLUTION

The tankless water heater was carefully disassembled to provide access to the internal components. The heat exchanger, controls, electrical connections, and critical operating systems were inspected and evaluated.

Preventative maintenance procedures were performed as needed, and the system was tested throughout the process to verify proper operation. Once inspection and maintenance were completed, the unit was reassembled and prepared for final testing.

OUTCOME

Following inspection, maintenance, and performance testing, the tankless water heater was confirmed to be operating properly and returned to service.

The homeowner received proactive maintenance that helped support long-term system reliability and performance. By identifying potential concerns early and verifying proper operation, the system was maintained without unnecessary repairs, replacement, or added expense.

OUTCOME

Following inspection, maintenance, and performance testing, the tankless water heater was confirmed to be operating properly and returned to service.

The homeowner received proactive maintenance that helped support long-term system reliability and performance. By identifying potential concerns early and verifying proper operation, the system was maintained without unnecessary repairs, replacement, or added expense.

SOLUTION

The tankless water heater was carefully disassembled to provide access to the internal components. The heat exchanger, controls, electrical connections, and critical operating systems were inspected and evaluated.

Preventative maintenance procedures were performed as needed, and the system was tested throughout the process to verify proper operation. Once inspection and maintenance were completed, the unit was reassembled and prepared for final testing.

DIAGNOSIS

Rather than making assumptions, the system was opened and thoroughly inspected to evaluate its condition and identify any maintenance requirements. A detailed diagnostic inspection was performed to verify overall system health and confirm that all major components were operating as intended.

DRAIN LINE SERVICE    

DRAIN CLEANING &     

Three images showing plumbing maintenance: the first features a technician inspecting under a kitchen sink; the second shows a drain cleaning machine on a tiled floor; the third depicts the underside of a kitchen sink with plumbing components and a light. Text below describes diagnostics, service, and verification of drain line and plumbing system.

PROBLEM

The homeowner reported drainage concerns affecting the kitchen sink system. Further inspection was needed to determine the source of the issue and restore proper drainage.

📍 EAST BAY AREA, CALIFORNIA

PROBLEM

The homeowner reported drainage concerns affecting the kitchen sink system. Further inspection was needed to determine the source of the issue and restore proper drainage.

DIAGNOSIS

Rather than making assumptions, the drainage system was inspected and tested to identify the cause of the problem. Access was gained beneath the kitchen sink, and specialized drain cleaning equipment was prepared to evaluate and service the drain line.

SOLUTION

Professional drain cleaning equipment was utilized to clear and restore the affected drain line. The system was serviced, inspected, and tested throughout the process to verify proper drainage and system performance.

Following service, all connections beneath the sink were inspected and the work area was returned to a clean and functional condition.

OUTCOME

After cleaning and testing, the drain system was restored to proper operation.

The homeowner received a reliable solution that addressed the drainage issue while helping maintain the performance of the existing plumbing system without unnecessary repairs or replacement.

OUTCOME

After cleaning and testing, the drain system was restored to proper operation.

The homeowner received a reliable solution that addressed the drainage issue while helping maintain the performance of the existing plumbing system without unnecessary repairs or replacement.

SOLUTION

Professional drain cleaning equipment was utilized to clear and restore the affected drain line. The system was serviced, inspected, and tested throughout the process to verify proper drainage and system performance.

Following service, all connections beneath the sink were inspected and the work area was returned to a clean and functional condition.

DIAGNOSIS

Rather than making assumptions, the drainage system was inspected and tested to identify the cause of the problem. Access was gained beneath the kitchen sink, and specialized drain cleaning equipment was prepared to evaluate and service the drain line.

SHOWER CARTRIDGE REPLACEMENT

SHOWER VALVE REPAIR       

A man kneeling in a bathtub while inspecting and replacing a shower valve, with photos showing the process from diagnosing to completed repair.

PROBLEM

The homeowner was experiencing issues with the shower valve system, affecting normal shower operation and performance.

The shower controls were no longer functioning as intended, requiring further inspection to identify the source of the problem.

📍 EAST BAY AREA, CALIFORNIA

PROBLEM

The homeowner was experiencing issues with the shower valve system, affecting normal shower operation and performance.

The shower controls were no longer functioning as intended, requiring further inspection to identify the source of the problem.

DIAGNOSIS

Rather than making assumptions, the shower trim and valve components were inspected to evaluate the condition of the system.

After accessing the valve assembly, diagnostics confirmed that the shower cartridge required replacement to restore proper operation and performance.

SOLUTION

The shower trim components were carefully removed to gain access to the valve assembly. The existing shower cartridge was removed and replaced with a new cartridge designed to restore reliable operation.

Following installation, the valve was tested and adjusted as needed to ensure proper function. The faceplate and shower handle were then reinstalled to complete the repair.

SOLUTION

The shower trim components were carefully removed to gain access to the valve assembly. The existing shower cartridge was removed and replaced with a new cartridge designed to restore reliable operation.

Following installation, the valve was tested and adjusted as needed to ensure proper function. The faceplate and shower handle were then reinstalled to complete the repair.

OUTCOME

After replacement and testing, the shower valve system was restored to proper operation.

The homeowner received a reliable repair that addressed the root cause of the issue without unnecessary replacement of the entire valve assembly. The shower now operates properly with dependable performance and restored functionality.

DIAGNOSIS

Rather than making assumptions, the shower trim and valve components were inspected to evaluate the condition of the system.

After accessing the valve assembly, diagnostics confirmed that the shower cartridge required replacement to restore proper operation and performance.

OUTCOME

After replacement and testing, the shower valve system was restored to proper operation.

The homeowner received a reliable repair that addressed the root cause of the issue without unnecessary replacement of the entire valve assembly. The shower now operates properly with dependable performance and restored functionality.