The Best Plumbing Contractors in Farmington, NH

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

#1

A.J. LeBlanc Plumbing & Heating

4.8
(245 reviews)
Verified

A trusted, family-owned plumbing and heating company serving New Hampshire since 1956. They offer comprehensive residential and commercial plumbing services with a strong emphasis on 24/7 emergency response. Their technicians are highly trained and experienced in all aspects of plumbing, from complex repipes to simple fixture repairs.

476 Route 108, Somersworth, NH 03878

Specialties & Features

24/7 Emergency Service
Water Heater Installation & Repair
Drain Cleaning & Sewer Services
Pipe Installation & Replacement
Leak Detection

Business Information

Years in Business:68 years
Licensed:Yes
Insured:Yes
#2

Tri-City Mechanical LLC

4.6
(118 reviews)
Verified

A full-service mechanical contractor providing expert plumbing, heating, and cooling services to the Seacoast and Lakes regions. They handle a wide range of plumbing projects for both homes and businesses, with a reputation for reliability and quality workmanship. They are known for their effective drain cleaning and sewer solutions.

5C Gonic Rd, Rochester, NH 03867

Specialties & Features

Residential & Commercial Plumbing
Drain & Sewer Cleaning
Bathroom & Kitchen Plumbing
Emergency Repairs
Water Heater Services

Business Information

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

A-1 Sewer & Drain Plumbing Service

4.5
(86 reviews)
Verified

A local plumbing specialist focusing heavily on resolving tough drain clogs, sewer line issues, and emergency plumbing repairs. They utilize state-of-the-art inspection and hydro-jetting equipment to diagnose and fix problems efficiently. They are a go-to provider for urgent plumbing needs in the Farmington area.

Farmington, NH 03835

Specialties & Features

Emergency Drain Cleaning
Sewer Line Repair & Replacement
24/7 Emergency Service
Pipe Repair
Water Jetting

Business Information

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

Why These Are the Top Plumbing Contractors in Farmington

Farmington, NH, is a mix of historic homes and newer developments, presenting a variety of plumbing challenges. Common issues include repairs for older galvanized steel pipes, seasonal drain problems due to the region's tree root systems, and water heater demands in a cold climate. The local plumbing market is served by a handful of dedicated local contractors and several larger regional companies based in nearby Rochester and Somersworth, which provide extensive 24/7 emergency coverage. All reputable providers are familiar with New Hampshire state plumbing codes.

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 Farmington regulations and climate

Frequently Asked Questions About Plumbing in Farmington

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

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

The most frequent issues are frozen and burst pipes due to our harsh New Hampshire winters, followed by water heater failures from hard water sediment buildup common in our area. In older Farmington homes, we also often see issues with outdated galvanized steel pipes corroding and failing. Proactive winterization, including insulating pipes in unheated crawl spaces, is critical to prevent emergencies.

2How do I choose a reliable plumber in the Farmington area, and what local licenses should I verify?

Always choose a plumber licensed by the New Hampshire Plumbers' Board, which requires proof of trade knowledge and adherence to state plumbing code (based on the International Plumbing Code). A reliable local plumber will also be familiar with Farmington's specific sewer and water main connections, well water systems common in the region, and the local inspection process. Check for positive reviews from Granite State neighbors and confirm they carry both liability and workers' compensation insurance.

3Are plumbing services more expensive in Farmington, NH compared to other regions, and what's a typical cost range?

Costs are generally aligned with regional New England averages but can be slightly higher for emergency services in more rural parts of Strafford County due to travel. As a guideline, a standard service call with labor typically ranges from $100-$200, while repiping a home or installing a new water heater can range from $1,500 to $5,000+, depending on the system's complexity and materials. Always request a detailed, written estimate before work begins.

4When is the best time of year to schedule non-emergency plumbing work like water heater replacement or repiping in Farmington?

The ideal times are late spring and early fall. These seasons avoid the peak demand of winter emergency freeze-ups and the busy summer schedule for contractors. Scheduling during these milder windows ensures better availability and may provide more flexibility for project timing. It's also the best time to address any exterior plumbing or irrigation systems before freezing temperatures return.

5What local regulations should I be aware of for plumbing projects like adding a bathroom or replacing a septic system in Farmington?

Any major plumbing addition or alteration requires a permit from the Town of Farmington Building Department and inspections to comply with the NH State Building Code. Crucially, if your property uses a septic system, the NH Department of Environmental Services (DES) and local health officer must be involved for any septic work; the size and design are strictly governed by state law based on soil conditions. Always check with the town before starting any project that modifies existing plumbing layouts.