A sudden plumbing problem can disrupt your entire day, whether it’s a persistent drip, a clogged drain, or a more serious emergency like a burst pipe. For homeowners and business owners in Wellesley, MA, having a reliable, professional, and responsive plumbing partner like Lavallee Systems is essential. We provide comprehensive plumbing solutions designed to address the unique needs of Wellesley properties—from historic homes to modern commercial buildings. Our skilled technicians handle everything from routine maintenance to complex installations and urgent repairs, ensuring your plumbing system functions perfectly.
We offer a full spectrum of plumbing services to keep your water flowing smoothly and efficiently. Our commitment is to deliver high-quality workmanship and lasting solutions for every job, no matter the size or complexity.

Plumbing emergencies don’t wait for business hours. A burst pipe, overflowing toilet, or failed sump pump requires immediate attention to prevent costly water damage. Lavallee Systems offers emergency plumbing services 24 hours a day, 7 days a week, throughout Wellesley. When you call, we dispatch a fully equipped technician to your location to quickly diagnose the issue, control the situation, and perform the necessary repairs to restore safety and functionality to your home or business.
Even a small, hidden leak can lead to significant structural damage, mold growth, and wasted water over time. Lavallee Systems utilizes advanced diagnostic tools to accurately locate leaks in walls, ceilings, and under slabs without unnecessary destruction. From dripping faucets and leaking toilets to complex pipe leaks, our experts identify the source and provide durable, long-lasting repairs.
A slow-draining sink, gurgling toilet, or backed-up shower is a clear sign of a clog in your drainage system. Lavallee Systems handles all types of blockages, using professional-grade equipment to safely and effectively clear obstructions from kitchen sinks, bathroom drains, main sewer lines, and more. Our thorough cleaning services not only remove the current clog but also help prevent future backups.
Whether you need a new water heater installed or your current one repaired, Lavallee Systems has you covered. We service all makes and models of traditional tank-style and modern tankless water heaters. Our services include troubleshooting and repairing performance issues, performing maintenance to extend lifespan, and installing energy-efficient systems tailored to your household’s needs.
The plumbing systems in many Wellesley homes face challenges from aging materials and harsh New England winters. Lavallee Systems specializes in repairing and replacing damaged pipes affected by corrosion, freezing, or cracking. For homes with outdated or failing plumbing, we offer complete and partial repiping services using modern, durable materials to improve water pressure and ensure long-term reliability.
Upgrade the look and function of your kitchen or bathroom with professional fixture installation from Lavallee Systems. We install and repair sinks, faucets, toilets, showers, bathtubs, and garbage disposals. Our meticulous process ensures your new fixtures operate flawlessly and leak-free from day one.
A functional sump pump is your home’s best defense against basement flooding. Lavallee Systems provides expert installation, maintenance, and repair for sump pumps and battery backup systems. We ensure your equipment is ready to protect your property during heavy rain or snowmelt, giving you complete peace of mind.
Choosing the right plumber means finding a team that combines technical skill with a deep understanding of local needs. Lavallee Systems is proud to be a trusted service provider in the Wellesley community.
Our technicians are fully licensed, insured, and continuously trained on the latest plumbing technologies. We understand Wellesley’s building codes and the diverse plumbing setups found across local homes and businesses. This local expertise enables us to work efficiently and deliver solutions that perfectly fit your property. We believe in transparency and clear communication—always explaining the issue, outlining your options, and providing upfront pricing before work begins. Our goal is to empower you with knowledge and confidence in your plumbing decisions.
From a simple faucet repair to a full system overhaul, Lavallee Systems approaches every project with professionalism and dedication. We value the trust you place in us when we enter your home or business and are committed to delivering results that not only fix immediate problems but also improve long-term plumbing health.
When you face a plumbing issue, you need a solution—fast. Don’t let leaks, clogs, or system breakdowns disrupt your life. Contact Lavallee Systems today to schedule your service and experience the difference of working with Wellesley’s dedicated plumbing professionals.
Enjoy discounted pricing on our already affordable maintenance services.
Save on necessary repairs with a fixed discount.
Upgrade your system with an exclusive member discount.
Avoid the $300 fee if emergency service is ever required.
When you need service, you’ll be at the top of our list for the fastest possible response.