The Best Plumbing Contractors in Rockville, MD

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

#1

Michael & Son Services

4.7
(1250 reviews)
Verified

A highly-rated, full-service plumbing company serving the Rockville area with 24/7 emergency response. They handle everything from minor leaks to major commercial plumbing system installations and are known for their rapid response times.

5410 Randolph Rd, Rockville, MD 20852

Specialties & Features

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

Business Information

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

Len the Plumber

4.6
(890 reviews)
Verified

A trusted local name specializing in both residential and commercial plumbing services. They are experts in dealing with the specific challenges of older homes in the Rockville area, including repiping and sewer line replacements.

11900 Parklawn Dr #230, Rockville, MD 20852

Specialties & Features

Drain Cleaning & Sewer Services
Repiping
Water Heater Services
Bathroom Plumbing
Video Camera Inspections

Business Information

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

My Plumber Heating & Cooling

4.8
(420 reviews)
Verified

A family-owned and operated business known for exceptional customer service and expert plumbing diagnostics. They focus on lasting solutions for leaks, clogs, and water heater issues, emphasizing quality repairs over quick fixes.

10 West Gude Dr #255, Rockville, MD 20850

Specialties & Features

Leak Detection & Repair
Water Heater Specialists
Emergency Plumbing Repairs
Fixture Installation
Kitchen and Bath Remodel Plumbing

Business Information

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

Why These Are the Top Plumbing Contractors in Rockville

The plumbing market in Rockville, MD is competitive and serves a mix of historic homes, modern suburban residences, and commercial buildings. Common issues include dealing with older clay sewer lines, pipe corrosion in homes built in the mid-20th century, and emergency repairs due to freezing winter temperatures. Local providers must be well-versed in Montgomery County's strict plumbing codes and permitting processes. The top companies distinguish themselves with 24/7 availability, advanced diagnostic tools like video camera inspections, and expertise in trenchless sewer repair to minimize property disruption.

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 Rockville regulations and climate

Frequently Asked Questions About Plumbing in Rockville

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

1What are common plumbing issues for Rockville homes, and are they seasonal?

Rockville's climate contributes to specific seasonal plumbing challenges. In winter, frozen and burst pipes are a major risk due to freezing temperatures, making pipe insulation critical. In spring and summer, increased rainfall can overwhelm older sewer lines, leading to basement backups, and hard water from the local supply accelerates scale buildup in water heaters and fixtures year-round.

2How much should I expect to pay for common plumbing services in Rockville?

Pricing in Rockville is generally in line with the broader Washington D.C. metro area. For example, a standard water heater installation typically ranges from $1,200 to $2,500, while unclogging a drain can cost $150-$350. Always get a detailed, written estimate upfront, as final costs can be influenced by Montgomery County's strict permitting requirements for major work and the age/accessibility of pipes in many older Rockville neighborhoods.

3What should I look for when choosing a plumber in Montgomery County?

First, verify they hold a valid Master Plumber or Journeyman license from the Maryland Board of Plumbing. It's also crucial they carry full insurance and understand local codes, including Montgomery County's backflow prevention and water conservation ordinances. Choose a locally established company with strong reviews, as they will be most familiar with the common pipe materials (like cast iron in older homes) and soil conditions in Rockville.

4Do I need a permit for plumbing work on my Rockville home?

Yes, for most significant projects, a permit from the Montgomery County Department of Permitting Services is required. This includes water heater replacements, re-piping, sewer line repairs, and adding new fixtures. Reputable licensed plumbers will handle this process for you. Simple repairs like fixing a leaky faucet usually don't require one, but it's always best to confirm with your plumber to ensure compliance and protect your home's value.

5My basement has a floor drain that sometimes emits a sewer smell. Is this a serious issue?

This is a common concern in Rockville, especially in homes with older sewer systems. The smell often indicates a dried-out P-trap in the floor drain, which allows sewer gases to enter. Simply pouring water down the drain can reseal it. However, if the odor persists, it could signal a more serious problem like a cracked sewer line or a blocked vent stack, which should be inspected immediately by a professional to prevent hazardous gas buildup or potential backups.