The Best Plumbing Contractors in Londonderry, NH

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

#1

Best Plumbing & Heating

4.8
(145 reviews)
Verified

A highly-rated, full-service plumbing and heating company serving Londonderry and Southern New Hampshire. They are known for their rapid response times for emergencies and expertise in a wide range of residential and commercial plumbing services, from minor repairs to major installations.

15 Harvey Road, Londonderry, NH 03053

Specialties & Features

24/7 Emergency Service
Water Heater Installation & Repair
Drain and Sewer Cleaning
Gas Line Services
Leak Detection

Business Information

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

Mister Plumber

4.7
(112 reviews)
Verified

A trusted local plumbing contractor specializing in both routine maintenance and complex emergency repairs. They emphasize upfront pricing, clean and professional technicians, and solutions tailored to the specific needs of Londonderry homes and businesses, including work on older properties.

8 Wall Street, Londonderry, NH 03053

Specialties & Features

Emergency Plumbing Repairs
Bathroom & Kitchen Plumbing
Pipe Replacement
Water Filtration Systems
Sump Pumps

Business Information

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

Plumb Perfect

4.6
(98 reviews)
Verified

Serving the greater Londonderry area, Plumb Perfect offers comprehensive plumbing services with a focus on quality craftsmanship and customer education. They are particularly adept at diagnosing hidden leaks, performing thorough drain cleaning, and handling water heater services for all major brands.

22 Nashua Road, Londonderry, NH 03053

Specialties & Features

Leak Detection & Repair
Drain Cleaning & Sewer Jetting
Water Heater Services
Fixture Installation
Commercial Plumbing

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Londonderry

The plumbing market in Londonderry, NH, is competitive and serves a mix of newer suburban developments and older New England homes. Common issues include dealing with hard water, maintaining and repairing older septic systems common in the region, and frozen pipes during the harsh winters. Local providers are well-versed in New Hampshire state plumbing codes and the specific challenges of the area's soil and climate. Emergency services are in high demand, especially during winter months. Most top-tier companies are licensed, insured, and offer 24/7 availability.

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 Londonderry regulations and climate

Frequently Asked Questions About Plumbing in Londonderry

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

1What are the most common plumbing issues for Londonderry homes, especially related to our climate?

The most frequent issues stem from our cold New Hampshire winters, including frozen and burst pipes in poorly insulated crawl spaces or exterior walls. We also commonly address sump pump failures during spring thaw and heavy rains, as well as water heater strain from hard water, which is prevalent in our area. Regular maintenance in the fall is crucial to prevent winter emergencies.

2How do I choose a reliable plumber in Londonderry, and are there local licensing requirements?

Always verify that the plumber holds a valid New Hampshire Master Plumber's license, which is required by state law to perform plumbing work. Choose a provider with strong local references and knowledge of Londonderry's specific building codes and common home styles (e.g., older colonials with galvanized pipes). A reputable local plumber will also be familiar with the town's inspection processes for major work.

3What is the typical cost range for common plumbing services in the Londonderry area?

Costs vary, but for context, a standard water heater installation typically ranges from $1,200 to $2,500+, influenced by fuel type and local code requirements. Emergency service calls for issues like a burst pipe often have a higher dispatch fee, especially during winter nights or weekends. Always request a detailed, written estimate that includes labor, parts, and any potential Londonderry permit fees.

4When is the best time to schedule non-emergency plumbing work in Londonderry?

Schedule routine maintenance, like drain cleaning or water heater servicing, in the late summer or early fall before the peak winter emergency season. For exterior projects like fixing exterior faucets or installing backflow preventers for irrigation systems, aim for late spring or early summer after the frost has fully left the ground, which in our region can be into May.

5Are there any local regulations in Londonderry I should know about for plumbing upgrades?

Yes, notably for water conservation. New installations and replacements of toilets and faucets must comply with current EPA WaterSense standards. Furthermore, if you are on a private well (common in parts of Londonderry), any work may involve specific state and local codes for well separation and backflow prevention. Always check if your project requires a permit from the Londonderry Building Department.