The Best Mechanical Contractor Company in Washington

Compare top-rated mechanical contractor providers in Washington. Profiles include verified reviews, service details, and direct contact options.

Service providers

W. L. Gary Company, Inc.

From $50

Up to $500

Closed until Thu, 7:00 AM

At W. L. Gary Company, Inc. in Washington, we specialize in comprehensive mechanical contracting services. Our expertise spans across air duct cle…

Mechanical Contractor pros near Washington

These companies are based in nearby cities and serve Washington.

Ronco Mechanical Contractors Inc

Ronco Mechanical Contractors Inc

Clinton, Maryland · 8.5 mi away

4.5

From $50

Up to $500

Closed until Thu, 9:00 AM

At Ronco Mechanical Contractors Inc in Clinton, we understand that homeowners often face unexpected mechanical issues that disrupt comfort and dai…

Harris

Harris

Upper Marlboro, Maryland · 9.1 mi away

2.3

From $50

Up to $500

Closed until Thu, 7:00 AM

In Upper Marlboro, we are Harris - a mechanical contractor committed to serving homeowners with unparalleled expertise. Our extensive services spa…

S & C MECHANICAL CONTRACTORS LLC

S & C MECHANICAL CONTRACTORS LLC

Bowie, Maryland · 13.9 mi away

0

From $50

Up to $500

Closed until Thu, 7:30 AM

At S & C Mechanical Contractors LLC in Bowie, we specialize as mechanical contractors, delivering exceptional services tailored to your unique nee…

Madden Plumbing & HVAC

Madden Plumbing & HVAC

Beltsville, Maryland · 17.8 mi away

4.6
Open today

From $50

Up to $500

Open 24/7

In Beltsville, we are Madden Plumbing & HVAC, your reliable mechanical contractor. Homeowners trust us for our expertise in plumbing and HVAC solu…

RJH Air Conditioning and Refrigeration Service

RJH Air Conditioning and Refrigeration Service

Beltsville, Maryland · 17.9 mi away

4.1
Open today

From $50

Up to $500

Open 24/7

At RJH Air Conditioning and Refrigeration Service in Beltsville, we specialize in providing comprehensive mechanical services. Whether you need ai…

Fidelity Mechanical Services

Fidelity Mechanical Services

Beltsville, Maryland · 18.3 mi away

2.1

From $50

Up to $500

Closed until Thu, 8:00 AM

In Beltsville, we are Fidelity Mechanical Services - your dedicated mechanical contractor. We specialize in delivering reliable and efficient solu…

Shapiro & Duncan Inc

Shapiro & Duncan Inc

Rockville, Maryland · 20.0 mi away

4.1

From $50

Up to $500

Closed until Thu, 7:30 AM

In homes across Rockville, a persistent challenge is ensuring that mechanical systems function efficiently and reliably. At Shapiro & Duncan Inc, …

Thornton HVAC Service

Thornton HVAC Service

Rockville, Maryland · 21.5 mi away

0

From $50

Up to $500

Closed until Thu, 8:00 AM

At Rockville's Thornton HVAC Service, we understand home comfort is paramount. Homeowners struggle with malfunctioning heating and cooling systems…

JPG Plumbing & Mechanical

JPG Plumbing & Mechanical

Jessup, Maryland · 25.2 mi away

3.1

From $50

Up to $500

Closed until Thu, 7:00 AM

In the heart of Jessup, we are JPG Plumbing & Mechanical - your dedicated mechanical contractor. We specialize in delivering comprehensive heating…

Pro-Air Inc

Pro-Air Inc

Elkridge, Maryland · 28.5 mi away

3.1
Open today

From $50

Up to $500

Open 24 hours

In Elkridge, we are Pro-Air Inc - your go-to mechanical contractor. For all your heating and air conditioning needs, our team is here to deliver e…

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Verified Mechanical Contractor in Washington, MD

We show only active businesses that pass moderation. Results are specific to Washington and nearby service areas, and inactive profiles are removed to keep the list current.

Real reviews for mechanical contractor

Ratings and reviews come from customers who used the service. Compare mechanical contractor pros in Washington by experience, responsiveness, and value before you reach out.

Local-first search in Washington

Filter by neighborhood, check locations on the map, and find providers close to home or work in Washington. Listings are refreshed regularly — September 2026.

Neighboring cities of Washington

The same listings in the closest cities — providers there often take jobs in Washington too. Mileage is the approximate distance from Washington.

Practical notes for Washington

Looking for mechanical contractor in Washington? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.

Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.

Before you hire

  • Read the most recent reviews for your specific type of job.
  • Ask about licensing and insurance when required for this trade.
  • Get a written estimate for work over a few hundred dollars.
  • Confirm availability and any trip or emergency fees upfront.

Tips & guides from GigoPro

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Recent reviews in Washington

    5

    I love the apprenticeship program. They are definitely shaping great leaders for the future of construction

    1

    like another comment this person driving the work truck should really think about other's people safety on the road and not only their own.

    5

    Extremely fast plumbing — fixed toilet, shower drain, and sink water pressure in about half an hour. Had Dave as a technician. Quick and professional

    1

    They Overbook service and give inaccurate time window. Time window they gave me is from 8am to 2pm which is 6 hours. The entire day I’m supposed to wait around for them to decide when they’ll come over. They can’t give me a time estimate, I’ll know when a tech is available… If you want their service ask for the first available otherwise just wait around.

    5

    I've used them twice and they were on-time and the work was great! They're also a union shop with the Plumber's Local 5

    1

    Their drivers are reckless. The driver of W L Gary Company, Inc. (a work van) cut me off in traffic, not using a turn signal, nearly smashing into my vehicle. The car behind me almost rear ended me because I had to slam on my brakes and swerve left (almost hitting another vehicle).

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