The Best Plumbing Contractors in Onset, MA

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

#1

Onset Plumbing & Heating

4.8
(112 reviews)
Verified

A full-service plumbing and heating contractor serving Onset and the surrounding South Coast area for decades. They specialize in both emergency repairs and scheduled installations for residential and commercial properties, with deep knowledge of the unique plumbing challenges in coastal homes.

100 Onset Avenue, Onset, MA 02558

Specialties & Features

24/7 Emergency Service
Water Heater Installation & Repair
Drain Cleaning & Sewer Services
Gas Line Installation
Baseboard Heating Systems

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#2

Wareham-Onset Plumbing & Drain Cleaning Service

4.6
(87 reviews)
Verified

A highly-rated local provider known for rapid response times, especially for emergency drain cleaning and sewer line issues common in the older infrastructure of Onset. They utilize state-of-the-art camera inspection and hydro-jetting technology.

5 Merchants Way, Onset, MA 02558

Specialties & Features

Emergency Drain Cleaning
Sewer Line Repair & Replacement
Camera Inspections
Water Jetting
Clog Removal

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Capeway Plumbing & Heating

4.7
(204 reviews)
Verified

While based in the neighboring town of Buzzards Bay, this established and highly-reviewed company is a major service provider for the entire Upper Cape region, including Onset. They offer comprehensive 24/7 plumbing services and are experts in both traditional and tankless water heater systems.

168 Main Street, Buzzards Bay, MA 02532

Specialties & Features

24/7 Emergency Repairs
Tankless Water Heater Specialists
Bathroom & Kitchen Remodel Plumbing
Leak Detection
Commercial Plumbing

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Onset

Onset, MA is a small coastal village within the town of Wareham, characterized by a mix of historic summer cottages and year-round residences. The local plumbing market is defined by challenges related to older infrastructure, including galvanized pipes prone to corrosion, seasonal population surges that strain systems, and high water table issues affecting basements and drains. Proximity to the saltwater bay also accelerates wear on certain plumbing components. Providers must be well-versed in local codes and the specific needs of both vintage homes and modernized properties. Emergency services for drain backups and frozen pipes are in high demand during the winter and peak summer seasons.

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 Onset regulations and climate

Frequently Asked Questions About Plumbing in Onset

Get answers to common questions about plumbing services in Onset, Massachusetts.

1How does Onset's coastal location and climate affect my plumbing system, and what maintenance is specific to this area?

Onset's proximity to saltwater and high humidity can accelerate corrosion on exposed pipes, valves, and water heaters, especially in homes closer to the harbor. Additionally, the region's hard water, common in much of Massachusetts, leads to mineral buildup that can reduce appliance efficiency and clog fixtures. We recommend annual inspections for corrosion, installing water softeners to combat hard water, and ensuring all outdoor faucets and irrigation lines are properly winterized before the first freeze to prevent costly bursts.

2What are typical costs for common plumbing services in Onset, like fixing a leaky faucet or clearing a main drain line?

Pricing in Onset is generally aligned with the broader South Coast Massachusetts region. A standard leaky faucet repair typically ranges from $150-$300, depending on parts and fixture type. For a main drain line clearing using a motorized auger, expect $250-$500, but trenchless pipe repair for damaged lines can be significantly more. Always request a detailed, written estimate upfront, as accessibility in older Onset cottages or seasonal homes can add complexity and cost.

3Are there local regulations in Onset or Massachusetts I should know about before installing a new water heater or making major plumbing changes?

Yes. Massachusetts plumbing code requires permits and inspections for all new water heater installations, major repairs, and bathroom additions. This is strictly enforced in Onset. Furthermore, if your home is in the Onset Bay Historic District, exterior work may require additional approval from the local historical commission. Always hire a licensed plumber who will pull the necessary Town of Wareham permits and ensure compliance with state code, including required earthquake straps for water heaters.

4What should I look for when choosing a reliable plumber serving the Onset community?

First, verify they hold a valid Massachusetts Journeyman or Master Plumber license and carry both liability and worker's compensation insurance. For Onset specifically, choose a plumber familiar with the mix of historic century-old homes and modern builds, as repair approaches differ greatly. Check for local references and reviews, and prioritize companies that offer 24/7 emergency service, as a burst pipe in an unheated winterized home can't wait until morning.

5Why do my pipes sometimes make loud banging noises, and is this a bigger concern in older Onset homes?

This is likely "water hammer," a pressure surge caused by fast-closing valves, and it's very common in Onset's older plumbing systems with aged air chambers or galvanized pipes. Over time, the repeated shock can loosen fittings and cause leaks. A local plumber can install modern water hammer arrestors to cushion the surge. This is a critical repair to prevent damage, especially before the seasonal closing of a summer home when the system will be shut down and pressurized.