Looking for a reliable plumber in Smithtown? Below are local plumbing companies serving Smithtown, St. James, Kings Park, Nesconset, and the rest of the Suffolk County area. Every business here works right in the neighborhood, so you are calling someone who knows the older North Shore housing stock, the hard-water issues that come with Long Island's aquifer, and the Town of Smithtown permit process.
7 plumbers listed · Updated daily
Drain and sewer specialists serving Smithtown and surrounding towns. Same-day service with camera inspection on every main line call.
Remodel-focused plumbers covering St. James and Smithtown. Known for clean bathroom and kitchen work and hard-water filtration setups.
Family-owned and based in Smithtown village since 2004. Licensed master plumbers handling everything from burst pipes to full repipes on older North Shore homes.
Heating and plumbing crew out of Kings Park. Strong on boiler and hot-water work for the older housing stock north of 25A.
Commack-based plumber covering western Smithtown. Quick on leak detection and everyday repairs at fair pricing.
Independent owner-operator handling general residential plumbing around Smithtown.
Hauppauge plumber covering basic residential repair and water heater swaps.
Smithtown sits on the North Shore of Long Island, and a lot of its housing was built decades ago. That means original galvanized or copper supply lines, cast-iron drains, and water heaters that have seen better days. The most common calls local plumbers get are for aging pipes, hard-water buildup, and drain backups, especially in the older neighborhoods around the village and down toward the harbor.
All of Suffolk County pulls its water from a deep underground aquifer, and that water carries a heavy mineral load. Over years, that scale collects inside pipes, water heaters, and fixtures. It shortens the life of appliances and slowly chokes water pressure. This is why so many Smithtown plumbers recommend a whole-home filtration or softening system, and why water heater replacement is one of the most frequent jobs in the area.
The Town of Smithtown requires permits for most plumbing work beyond basic like-for-like repairs. Water heater swaps, gas line work, new fixtures on new lines, and any repiping all typically need one. A licensed plumber handles the permit as part of the job. If a contractor tells you a major job needs no permit at all, treat that as a flag and confirm with the Smithtown Building Department.
Suffolk County licenses plumbers directly. Any plumber you hire should hold a current Suffolk County plumbing license and carry liability insurance. It is fair to ask for both before work starts.
Most Smithtown plumbers charge a service call fee of $90 to $150, with hourly rates from $100 to $200 depending on the job. Water heater replacement typically lands between $1,500 and $3,500 installed, and main drain cleaning usually falls between $200 and $500.
Get listed where local homeowners are already searching. Free to join, with featured spots that put you at the top of this page.