The Best Plumbing Contractors in Cos Cob, CT

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

#1

Greenwich Plumbing and Drain Service

4.8
(127 reviews)
Verified

A highly-rated, full-service plumbing contractor serving Cos Cob and the greater Greenwich area. They specialize in both residential and commercial plumbing with rapid response times for emergencies. Known for expert diagnostics and using high-quality materials.

25 River Rd, Cos Cob, CT 06807

Specialties & Features

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

Business Information

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

A-1 Sewer & Drain Plumbing Service

4.7
(94 reviews)
Verified

A trusted local provider with a strong focus on solving complex drain and sewer problems. They offer comprehensive plumbing services, from routine maintenance and fixture installation to major repiping projects and emergency repairs.

12 Strickland Rd, Cos Cob, CT 06807

Specialties & Features

Sewer Line Repair & Replacement
Hydro Jetting
Camera Inspections
Bathroom Remodeling Plumbing
Emergency Repairs

Business Information

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

Horizon Plumbing & Heating

4.6
(118 reviews)
Verified

While based in nearby Stamford, this established company is a major service provider for Cos Cob residents. They offer a complete range of plumbing services and are particularly noted for their work on water heater systems and resolving persistent leaks in older homes.

Serves Cos Cob from Stamford, CT

Specialties & Features

Water Heater Services
Leak Detection & Repair
Kitchen & Bath Plumbing
Pipe Replacement
24/7 Availability

Business Information

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

Why These Are the Top Plumbing Contractors in Cos Cob

Cos Cob, as a historic neighborhood within Greenwich, CT, features a mix of older colonial homes and newer constructions. The local plumbing market is characterized by high demand for services that address issues common in older properties, such as corroded galvanized pipes, clogged drains in historic systems, and updates to meet modern codes. Many homes also have well water systems, which require specific expertise. The market is competitive with providers from Cos Cob and the broader Greenwich/Stamford area, emphasizing rapid emergency response, minimally invasive techniques like trenchless pipe repair, and high-quality fixture installation.

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 Cos Cob regulations and climate

Frequently Asked Questions About Plumbing in Cos Cob

Get answers to common questions about plumbing services in Cos Cob, Connecticut.

1What are the most common plumbing issues for Cos Cob homeowners, especially related to our climate and older homes?

Due to Cos Cob's many historic homes and cold Connecticut winters, the most frequent issues are frozen and burst pipes, corrosion in older galvanized steel lines, and sewer line problems from invasive tree roots common in our area. Seasonal maintenance, like insulating pipes before winter and having sewer lines inspected, is crucial to prevent costly emergencies.

2How do I choose a reputable plumbing service provider in Cos Cob, and are there local licensing requirements I should verify?

Always choose a plumber licensed by the State of Connecticut (License # must start with "L" or "R" for plumbing and piping work). For Cos Cob, also look for providers experienced with local building codes, the Greenwich sewer system, and working in historic districts. Check reviews and ensure they are fully insured for liability common in our higher-value homes.

3What is the typical cost range for common plumbing services in the Cos Cob area, like water heater replacement or fixing a leak?

Pricing in Cos Cob and Greenwich is generally higher than state averages due to labor and material costs. For example, a standard water heater replacement typically ranges from $1,800 to $3,500, while emergency leak repairs can start at $300+ for after-hours service. Always request a detailed, written estimate that includes parts, labor, and any potential permits.

4Are there any specific local regulations in Cos Cob or Connecticut I should know about for plumbing repairs or renovations?

Yes. Connecticut has strict plumbing codes, and any major work requires a permit from the Greenwich Building Department. Specific local considerations include regulations for work in flood zones near the Mianus River and Cos Cob Harbor, and potential lead pipe disclosure requirements when selling a home. A licensed plumber will handle these permits.

5When is the best time to schedule non-emergency plumbing work in Cos Cob, and how quickly can I usually get service?

Schedule routine maintenance like drain cleaning or water heater inspections in the spring or fall to avoid the high-demand winter freeze season. For non-emergencies, reputable local plumbers are often booked 3-7 days out. For true emergencies, most Cos Cob providers offer 24/7 service with response times often under two hours, especially for issues like burst pipes.