What services does Master Plumbing offer?

Master Plumbing offers a wide range of plumbing and gas services, including water pipe repairs, faucet installation and repair, toilet installation and repair, gas pipe installation, gas appliance installation, backflow prevention, bathroom and kitchen remodeling, drain cleaning, sewer line repair and replacement, garbage disposal installation and repair, sump pumps and sewage ejectors, water heater installation and repair, and boiler installation and repair.

What certifications and licenses does Master Plumbing hold?

Master Plumbing's plumbers are licensed master plumbers in Maryland and D.C. They are also Washington Gas certified installers, and offer certified backflow testing and installation services.

Does Master Plumbing offer financing options?

Yes, Master Plumbing offers financing options for their customers.

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Master Plumbing

$2.4M revenue • 12 employees • 8051 Cessna Ave Ste 188, Gaithersburg, MD, 20879, United States

Last Updated Aug 18, 2026

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Company Overview

Company Name

Master Plumbing

Address

8051 Cessna Ave Ste 188, Gaithersburg, MD, 20879, United States

Website

masterplumbing.com

Phone

(301) 650-9100

Approx. Annual Revenue

$2.4M

Employees

Established

2000

Google Reviews

4.2 (42 reviews)

Google Business Category

Plumber

About Master Plumbing

Master Plumbing is a plumbing and gas service company based in Gaithersburg, Maryland, serving the Maryland and Washington, D.C. area for over 40 years. The company employs approximately 2 people and offers a range of residential and light commercial plumbing services, including water pipe repairs, faucet installation and repair, and gas appliance installation.

Business Profile

Read from the Master Plumbing website on Nov 10, 2026. Hover an item to see the exact wording it came from.

Licenses, certifications & awards

Angie's List Super Service AwardAward winner

About the website

Website quality (AI-assessed): 8/10 · Current copyright 2026; Detailed service and contact info

Master Plumbing is hiring

Open roles listed on their website as of Nov 10, 2026.

Experienced Service Plumber
Plumbers Helper

Hiring in: Skilled trades

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Recent changes

What changed on the Master Plumbing website and Google listing, as detected by Coldlytics on each visit.

Nov 10, 2026
Started advertising open roles
Experienced Service Plumber, Plumbers Helper

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Plumbing Companies near Gaithersburg, MD

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Frequently Asked Questions about Master Plumbing

Technologies Used

Social Profiles

Key Decision Makers

Fred Giordani Owner

Joe Maier Owner