The Best Plumbing Contractors in Hanover, NH

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

#1

Mascoma Plumbing and Heating

4.8
(142 reviews)
Verified

A highly-rated, full-service plumbing and heating contractor serving the Upper Valley region, including Hanover. They offer comprehensive residential and commercial plumbing services with a strong emphasis on emergency response and customer service. Their team is well-versed in both modern and older home plumbing systems common in the Hanover area.

Serves Hanover, NH (Based in Lebanon, NH)

Specialties & Features

24/7 Emergency Service
Water Heater Installation & Repair
Drain and Sewer Cleaning
Pipe Repair and Replacement
Fixture Installation

Business Information

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

R.F. Morin Plumbing & Heating

4.6
(118 reviews)
Verified

A trusted, family-owned plumbing and heating business with decades of experience serving the Upper Valley. They provide reliable and professional service for both routine maintenance and emergency plumbing situations. They are known for their expertise in leak detection, repiping projects, and handling complex plumbing issues in Hanover's historic and modern homes.

Serves Hanover, NH (Based in Lebanon, NH)

Specialties & Features

Leak Detection and Repair
Bathroom and Kitchen Plumbing
Emergency Repairs
Water Heater Services
Commercial Plumbing

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

Drain-O-Rooter

4.5
(96 reviews)
Verified

Specializes in solving the most stubborn drain and sewer problems for residential and commercial customers in the Hanover area. They are the go-to experts for hydro-jetting, camera inspections, and clearing severe blockages. They also offer general plumbing repair services and are available 24/7 for emergencies.

Serves Hanover, NH (Based in West Lebanon, NH)

Specialties & Features

Drain Cleaning
Sewer Line Services
Camera Inspections
Hydro-Jetting
24/7 Emergency Service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Hanover

Hanover, NH, home to Dartmouth College, features a mix of historic colonial homes, modern residences, and significant commercial and institutional buildings. The local plumbing market is characterized by high demand for expertise in both old, often fragile pipe systems and new installations that comply with strict town codes. Common issues include frozen pipes in the harsh winters, drain problems in older buildings, and the need for proactive maintenance in large academic and medical facilities. The market is competitive with several established providers from the broader Upper Valley region serving the town, as few plumbing contractors are based directly within Hanover's small municipal limits.

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 Hanover regulations and climate

Frequently Asked Questions About Plumbing in Hanover

Get answers to common questions about plumbing services in Hanover, New Hampshire.

1How do Hanover's cold winters impact my plumbing, and what preventative maintenance should I prioritize?

Hanover's sub-freezing winter temperatures pose a significant risk of frozen and burst pipes, especially in unheated crawl spaces, basements, and exterior walls. Homeowners should prioritize insulating exposed pipes, disconnecting and draining outdoor hoses, and ensuring their basement stays above 55°F. It's also wise to know the location of your main water shut-off valve in case of an emergency freeze-related burst.

2What should I expect to pay for common plumbing services in the Hanover area, like fixing a leaky faucet or clearing a drain?

Pricing in the Upper Valley region reflects local business costs and high demand for skilled trades. A standard service call fee typically ranges from $100-$150, with repairs billed hourly ($90-$150/hr) plus parts. For example, fixing a leaky faucet might cost $150-$300 total, while hydro-jetting a severely clogged main line can exceed $500. Always request a detailed, written estimate before work begins.

3Are there any local Hanover or New Hampshire regulations I should know about for plumbing repairs or renovations?

Yes, all significant plumbing work in New Hampshire must be performed by a state-licensed plumber and may require a permit from the Hanover town building department, especially for alterations to water supply, drainage, or gas systems. This ensures compliance with state plumbing code (based on the International Plumbing Code) and is crucial for safety, insurance, and resale value. Your licensed plumber will typically handle the permit process.

4What are the key factors in choosing a reliable plumber in Hanover, and are there seasonal timing considerations?

Always verify a plumber holds a current New Hampshire Master or Journeyman license, carries proper insurance, and has local references. Due to the seasonal demand—especially for frozen pipe emergencies in January/February and sump pump/basement water issues during spring thaw—it's best to establish a relationship and schedule non-emergency maintenance (like water heater service) in the quieter fall or late spring periods.

5My basement has a musty smell and slow drains. Is this a common issue in Hanover homes, and what's likely causing it?

Yes, this is a frequent concern in our region. Older Hanover homes often have clay or cast iron sewer lines that are susceptible to root intrusion from mature trees and cracking from ground shifts due to freeze-thaw cycles. Combined with a high water table in areas near the Connecticut River, this can lead to chronic drain issues and damp basements. A professional video camera inspection of your main sewer line is the best diagnostic step.