The Best Plumbing Contractors in Smithtown, NY

Compare the highest-rated plumbing professionals in Smithtown, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

All American Plumbing, Heating & Cooling

4.8
(245 reviews)
Verified

Family-owned and operated full-service plumbing company serving Smithtown and surrounding areas with 24/7 emergency response. Specializes in residential and commercial plumbing, water heater services, and complex pipe repairs with upfront pricing.

125 Maple Avenue, Smithtown, NY 11787

Specialties & Features

24/7 Emergency Service
Water Heater Installation/Repair
Pipe Repair/Replacement
Drain Cleaning
Gas Line Services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Smithtown Plumbing & Drain Cleaning

4.7
(182 reviews)
Verified

Local Smithtown-based plumbing experts specializing in drain cleaning, sewer services, and emergency repairs. Known for quick response times and thorough diagnostics using camera inspection technology.

280 East Main Street, Smithtown, NY 11787

Specialties & Features

Drain Cleaning
Sewer Services
Emergency Repairs
Camera Inspections
Clog Removal

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Long Island Preferred Plumbers

4.6
(167 reviews)
Verified

Full-service plumbing contractor serving the Smithtown area with expertise in bathroom and kitchen remodels, fixture installation, and leak detection. Offers both residential and commercial services with licensed master plumbers.

45 Jericho Turnpike, Smithtown, NY 11787

Specialties & Features

Bathroom/Kitchen Plumbing
Leak Detection
Fixture Installation
Commercial Plumbing
Water Efficiency Solutions

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Smithtown

Smithtown's plumbing market serves a mix of historic homes and newer developments, with common issues including older cast iron pipes, hard water problems, and seasonal drain issues. Local providers must be familiar with Suffolk County codes and the area's specific water quality challenges. The market is competitive with several established family-owned businesses dominating the service area.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Smithtown regulations and climate

Frequently Asked Questions About Plumbing in Smithtown

Get answers to common questions about plumbing services in Smithtown, New York.

1What are the most common plumbing issues for Smithtown homeowners, especially related to our local climate?

The most frequent issues stem from our cold Long Island winters, which cause frozen and burst pipes in poorly insulated crawl spaces and exterior walls. Additionally, our region's hard water accelerates mineral buildup in water heaters and fixtures, leading to reduced efficiency and clogs. In older Smithtown homes, aging clay sewer lines are prone to root intrusion from mature trees, causing frequent backups.

2How do I choose a reputable plumber in Smithtown, and are there specific local licenses I should verify?

Always choose a plumber licensed by the Suffolk County Department of Consumer Affairs, which is a mandatory local requirement beyond a state license. A reputable Smithtown plumber will also carry full insurance and be familiar with local building codes, including specific regulations for our aquifer protection area that affect sump pump and drainage work. Check for established local presence and reviews from neighbors.

3What is the typical cost range for common plumbing services like water heater replacement or drain cleaning in Smithtown?

Costs in Smithtown are generally aligned with Long Island's higher service rates. A standard 50-gallon water heater replacement typically ranges from $1,800 to $2,500, including installation and disposal per local codes. Professional drain cleaning for a main line can cost $250-$500, with camera inspections adding $150-$300, which is highly recommended due to our prevalent root intrusion issues.

4Are there seasonal plumbing maintenance tasks I should prioritize living in Smithtown, NY?

Yes, seasonal maintenance is critical. Before winter (late October), you must disconnect and drain outdoor hoses and shut off exterior water valves to prevent frozen pipes. In spring, check sump pumps for proper operation, as heavy seasonal rains and our high water table can lead to basement flooding. Annually, flush your water heater to combat hard water scale buildup.

5My house is on Smithtown's older side. Should I be concerned about my water lines or sewer main?

Absolutely. Many older Smithtown homes have original galvanized steel water lines, which corrode and restrict flow over time, and clay or Orangeburg sewer pipes, which are susceptible to collapse and root intrusion. We recommend a professional video inspection of your sewer line to assess its condition. Proactive replacement with modern materials like PVC or HDPE can prevent costly emergency repairs and property damage.