The Best Plumbing Contractors in Potomac, MD

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

#1

Michael & Son Services

4.7
(1240 reviews)
Verified

A leading and highly-rated plumbing service in the DMV area, offering comprehensive residential and commercial plumbing. Known for rapid 24/7 emergency response, expert leak detection, and professional water heater services. They serve the Potomac area from a nearby branch.

11901 Grooms Street, Rockville, MD 20852

Specialties & Features

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

Business Information

Years in Business:47 years
Licensed:Yes
Insured:Yes
#2

Len The Plumber

4.6
(985 reviews)
Verified

A trusted regional plumbing company with extensive experience serving Montgomery County, including Potomac. They specialize in solving complex drain and sewer line issues, repiping, and handling all types of plumbing repairs and installations for older homes common in the area.

8041 Snouffer School Road, Gaithersburg, MD 20879

Specialties & Features

Drain & Sewer Services
Tankless Water Heaters
Repiping
Bathroom Plumbing
Commercial Plumbing

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Plumb Right Services

4.8
(215 reviews)
Verified

A local, family-owned and operated plumbing contractor known for personalized service and expertise in Potomac and surrounding communities. They excel in kitchen and bathroom remodels, fixture upgrades, and precise leak detection and repair, offering a high-touch alternative to larger chains.

Potomac, MD 20854

Specialties & Features

Residential Repairs & Remodels
Leak Detection
Fixture Installation
Water Filtration Systems
Garbage Disposal Installation

Business Information

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

Why These Are the Top Plumbing Contractors in Potomac

Potomac, Maryland is an affluent community with a mix of large, older estates and modern custom homes. The local plumbing market is characterized by high demand for premium services, including upgrades to luxury fixtures, maintenance and repiping of older plumbing systems common in homes built from the 1960s-1980s, and complex drain and sewer line solutions due to extensive property sizes and mature tree root systems. Homeowners expect rapid, professional service and contractors must be well-versed in Montgomery County codes and regulations.

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 Potomac regulations and climate

Frequently Asked Questions About Plumbing in Potomac

Get answers to common questions about plumbing services in Potomac, Maryland.

1What are the most common plumbing issues for Potomac homes, and are they seasonal?

In Potomac, hard water scale buildup is a pervasive, year-round issue due to the mineral content in our local water supply, leading to reduced appliance efficiency and pipe corrosion. Seasonally, the freeze-thaw cycles of Maryland winters can cause pipes in uninsulated crawl spaces or exterior walls to burst, while heavy spring rains often overwhelm sump pumps and test basement waterproofing. Summer often sees increased use of irrigation systems and outdoor faucets, which can reveal leaks or backflow issues.

2How do I choose a reputable plumbing contractor in Potomac, and what local licenses should I verify?

Always choose a plumber licensed by the Maryland Department of Labor, Licensing, and Regulation (DLLR) as a Master Plumber, which is required for all major work in Montgomery County. For Potomac specifically, look for a company with extensive local experience who understands the area's older septic systems, well water challenges, and the strict county permitting process for renovations. Check for positive reviews on local community forums like Nextdoor and ensure they carry both general liability and workers' compensation insurance.

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

Pricing in Potomac is generally at a premium compared to broader Maryland averages due to the high cost of living and the prevalence of large, custom homes. For example, a standard water heater replacement typically ranges from $1,800 to $3,500+, while repiping a section of a home can start at $5,000 and go significantly higher. Always insist on a detailed, written estimate that separates parts, labor, and any potential Montgomery County permit fees before work begins.

4Are there any local regulations in Potomac/Montgomery County that affect plumbing repairs or installations?

Yes, Montgomery County has strict plumbing codes that often exceed state standards, especially for backflow prevention and water conservation. Any significant repair, replacement, or new installation typically requires a county permit, which a licensed master plumber must pull. Furthermore, if your home is on a private well or septic system (common in parts of Potomac), the county's Department of Environmental Protection has additional regulations for inspections and repairs that your plumber must follow.

5Why is my water pressure low, and is this a common issue in Potomac?

Low pressure in Potomac can stem from several local factors: severe hard water scale buildup narrowing pipes (very common), issues with a private well pump and pressure tank, or a malfunctioning pressure-reducing valve (PRV) at the main supply. Before calling a plumber, check if the issue is isolated to one fixture or whole-house, as this helps diagnose the problem. For homes on public water, the Washington Suburban Sanitary Commission (WSSC) can sometimes verify pressure at the street meter to rule out a municipal issue.