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About Mazzeo Plumbing & Heating LLC
Mazzeo Plumbing & Heating LLC holds a perfect 5.0-star rating across 51 customer reviews, reflecting consistent excellence in Somerset, Middlesex, and Hunterdon Counties in New Jersey. Founded in 2019 by Mark Mazzeo, the company operates under NJ Master Plumbing License #36BI01164600. Mark brought over 30 years of industry experience to his venture after substantial work with MTP Plumbing, creating a business built on technical expertise and customer respect.
The company distinguishes itself through 24/7 emergency availability and transparent, fair pricing practices. Their service portfolio spans water heater installation and repair, bathroom remodeling, drain clearing, fixture work, whole-home repiping, sump pump systems, and comprehensive leak detection. On the heating side, they handle gas lines, furnaces, boilers, fireplace inserts, and oil-to-gas conversions.
Customer reviews frequently highlight technicians Mark and Junior by name. One reviewer described how Mark walked them through a temporary solution via video call during a weekend water emergency, then dispatched Junior for thorough repairs. Another detailed how Junior arrived quickly, worked cleanly, and provided helpful guidance on a kitchen sink leak and faucet replacement. A third mentioned same-day boiler repairs during cold weather, completed within 24 hours with new parts.
What Customers Say
All five detailed reviews award 5 stars, with two reviewers highlighting emergency response speed and three specifically naming technicians Mark or Junior. Recurring themes include technical knowledge, fair pricing, responsiveness, and thorough explanations of work performed.
Services
Water Heater Services
Installation, repair, and replacement for tank and tankless systems, ensuring reliable hot water supply.
Bathroom Remodeling
Professional plumbing upgrades including pipe work, fixture installation, and functional improvements.
Drain Cleaning
Fast clearing solutions for clogged drains and sewer lines to restore proper drainage.
Fixtures & Faucets
Repair and installation of faucets, toilets, shower fixtures, and outdoor spigots.
Repiping
Whole-home pipe replacement to improve water flow, pressure, and safety.
Sump Pumps & Water Shutoff
Flood prevention systems and automatic water shutoff valve installation.
Leak Detection
Electronic leak detection and repair for hidden water leaks behind walls and under slabs.
Heating Services
Gas line installation, furnace and boiler repair, fireplace inserts, and oil-to-gas conversions.