Licensed Plumber in Singapore

We are a team of PUB licensed plumbers (PUB license No: WS17962021) and BCA certified plumbers with more than 30 years of combined experience. We want to assure our clients that we provide professional water heater services with our credentials and customers’ testimonials.
Engaging a licensed plumber in Singapore is essential to ensuring high-quality, safe, and legally compliant plumbing services. Licensed by the Public Utilities Board (PUB), these professionals have the expertise, training, and certification required to carry out complex water and sanitary plumbing tasks. By choosing a licensed plumber, you’re choosing the assurance that your plumbing work is safe, reliable, and in full compliance with Singapore’s regulations.
Why Hire a PUB-Licensed Plumber?
Assurance of Safety and Quality
Licensed plumbers are trained and evaluated by the PUB to meet stringent safety and quality standards. This includes understanding and adhering to Singapore’s Public Utilities Act 2001, which regulates water and sanitation management in all facilities. As licensed plumbers, they are authorized to carry out essential plumbing tasks that non-licensed handymen cannot, such as installing and maintaining water supply lines, drainage systems, and sanitary fixtures.
Legal Compliance
From 1 April 2018, it has been mandatory to engage a licensed plumber for all regulated water service and sanitary plumbing work. Engaging a non-licensed individual to carry out these works is considered a legal offense, potentially resulting in fines or penalties for the property owner. PUB-licensed plumbers ensure all work adheres to PUB’s regulatory standards, safeguarding you from legal complications.
Scope of Work Permitted to Licensed Plumbers
Licensed plumbers handle tasks that fall under two main categories (i.e. water service works & sanitary works), which encompass a broad range of necessary services for households, businesses, and industrial premises.
Water Service Plumbing Works: Water service plumbing involves the installation, repair, replacement, and maintenance of water pipes, tanks, taps, and fittings in the drinking water supply system. These services ensure the safe and efficient flow of potable water, meeting PUB standards for water conveyance.
Sanitary Plumbing Works: Sanitary plumbing focuses on the installation, modification, or relocation of sanitary discharge pipes and appliances like toilets, urinals, and sinks. This work manages the safe transport of used water from buildings or premises to the sewage system, ensuring hygiene and proper drainage.
Types of Plumbing Services Offered by Licensed Plumbers
1. Water Service Plumbing Works
Water service plumbing is vital for providing safe, potable water within any building. Licensed plumbers work on the entire water supply network, ensuring that water delivery systems meet PUB’s standards and are free from contamination. Services include:
- Pipe Installation and Repairs
Plumbing installation such as Installing new pipes or repairing existing lines that carry water to taps, showers, and other appliances, ensuring consistent water flow and quality. - Tap and Fixture Replacement
Installing or replacing taps, mixers, and other fixtures connected to potable water, ensuring they are leak-free and comply with PUB standards. - Water Heater Installation and Maintenance
Installing water heaters such as storage water heater or instant water heater which play a crucial role in residential and commercial properties. - Cistern and Water Heater Repairs
Managing connections between cisterns, heaters, and supply lines, ensuring proper functionality and safety.
2. Sanitary Plumbing Works
Sanitary plumbing services deal with used water and sewage systems, focusing on effective disposal to avoid contamination. Licensed plumbers manage the installation, replacement, and repair of sanitation facilities, including:
- Fixture Installation and Replacement
Installing, moving, or replacing sinks, toilets, urinals, and bathtubs, ensuring waste is effectively disposed of through the building’s drainage system. - Sewer and Drainage Maintenance
Clearing blockages in floor traps, sinks, and toilet pipes to ensure smooth waste removal. This includes services for industrial drains and grease traps. - Pipe and Drain Connection Work
Connecting and maintaining pipes that carry used water to sewage systems, preventing backflow and contamination issues. - Grease Trap Maintenance
Particularly essential for restaurants and other food service establishments, grease traps prevent oils and fats from clogging the sewer system, ensuring compliance with health and sanitation standards.
Additional Services for Industrial and Commercial Plumbing
Licensed plumbers can perform specialized plumbing services for industrial premises, such as handling effluent pipelines and maintaining industrial drainage systems. By hiring a licensed professional, businesses can ensure compliance with industry-specific regulations and avoid costly downtimes.
What Can Non-Licensed Plumbers Do?
While non-licensed individuals may perform simple, limited plumbing tasks, they are restricted to non-regulated work under PUB guidelines. For instance, they may replace shower hoses, fix small leaks, or clear minor blockages in domestic settings. However, for all regulated plumbing works—especially those involving water quality and sanitation—licensed plumbers are legally required.
Tasks allowed for non-licensed individuals include:
- Replacing taps or shower hoses
- Clearing blockages in small drains
- Installing or replacing simple fixtures such as sinks or bathtubs
For more extensive work, however, only a PUB-licensed plumber can guarantee compliance with PUB regulations.
How to Verify a Licensed Plumber in Singapore
To verify if a plumber’s license is valid in Singapore, individuals and businesses can use the Public Utilities Board (PUB) licensed plumber search tool. By entering the plumber’s full name, surname, or license number, users can confirm that the plumber is authorized to perform water service and sanitary plumbing work.
Becoming a Licensed Plumber: Requirements and Training
In Singapore, achieving a PUB license as a plumber involves thorough training, rigorous assessments, and proven field experience. The journey to becoming a licensed plumber typically includes:
- Education and Certification Requirements
Plumbers must hold at least a Builder Certificate or Advanced Builder Certificate in Plumbing & Pipe Fitting or a Diploma in Plumbing Technology. For more advanced licensing, a diploma or degree in related engineering fields, along with a Builder Certificate in Plumbing & Pipe Fitting, is essential. - Hands-On Experience
Licensed plumbers must have at least two years of practical experience in the field, including documentation of supervised work under an LP’s mentorship. - Mentorship and Assessment
After meeting the educational and experience requirements, candidates complete a 40-hour mentorship with the Singapore Plumbing Society, followed by a written and oral assessment.
These licensing requirements ensure that every plumber possesses the skill, knowledge, and practical expertise to meet Singapore’s high standards for water safety and sanitation.
Protecting Water Quality and Sanitation Standards
The commitment to engaging only PUB-licensed plumbers reflects Singapore’s dedication to upholding high standards in water quality and sanitation. Licensed plumbers adhere to rigorous guidelines that prevent contamination, ensure efficient waste disposal, and safeguard public health. In a nation where water is a precious resource, this regulation supports sustainability, environmental protection, and safety.
Contact Mr Plumber Singapore for Licensed Plumbing Services
When you need reliable, safe, and PUB-compliant plumbing services, Mr Plumber Singapore has you covered. Our team of certified and experienced licensed plumbers can handle any job, big or small—from leak repairs to new system installations—delivering the highest standards of safety and expertise.
Choose Mr Plumber Singapore for quality, compliance, and trusted plumbing services. Contact us today via WhatsApp at +65 8241 0032 for all your plumbing needs.
We are PUB Licensed (PUB License No: WS17962021)
With years of experience and trusted by 1000s of customers, our team of plumbers are capable of performing expert installation of Storage Water Heaters with PUB submission. All the storage water installation works comply with standards prescribed / stipulated by PUB.

Last Updated on May 21, 2025







