Market Data

How Many Plumbing & HVAC Contractors Are in Washington, DC? (2026 Data)

How many plumbing & hvac contractors are in Washington, DC? There are 1663 (26.4 per 100,000 residents) — underserved vs. the typical U.S. metro. See the local market data and how to win it.

Updated 2026

Washington, DC · pop. 6,304,975 1,663 plumbing & hvac contractors in this metro - 26.4 per 100,000 residents
26.4per 100k here
31.9typical U.S. metro
-17%vs. typical metro
Market verdict underserved Fewer plumbing & hvac contractors per capita than most U.S. metros - room for a well-marketed plumbing business to win share.

Plumbing & HVAC Contractors per 100,000 residents

Washington, DC26.4Typical U.S. metro31.9U.S. average32.5

Saturation vs. all 387 U.S. metros

Washington · #94Least saturated (opportunity)Most saturated

Washington ranks #94 of 387 - more open than 76% of U.S. metros.

What the data says about the Washington plumbing & hvac contractors market

According to U.S. Census Bureau data, there are 1,663 plumbing & hvac contractors serving the Washington-Arlington-Alexandria, DC-VA-MD-WV area (population 6,304,975) - 26.4 per 100,000 residents. That's -17% below the typical U.S. metro (31.9 per 100k), making Washington more saturated than 24% of the 387 metros we track.

For context, the national average is 32.5 per 100k - higher than the typical metro because dense urban areas pull it up. The Washington-Arlington-Alexandria, DC-VA-MD-WV population grew 0.7% from 2020 to 2023, a signal of flat local demand.

Should you open a plumbing business in Washington?

The numbers favor it. Washington has fewer plumbing & hvac contractors per capita than 76% of U.S. metros, paired with 0.7% population growth - rising demand against below-average competition. The catch: opportunity on paper still has to be captured with real marketing.

The opening is on the supply side, not a boom: Washington has below-typical plumbing & hvac contractors density even though population growth is slow.

How to win the Washington market with AI

Market data tells you the playing field. Winning it is about marketing - and that's where most plumbing & hvac contractors leave money on the table. Here's the high-ROI playbook:

  • Own local search. Optimize your Google Business Profile and local SEO so you show up in the map pack for "plumbing business near me."
  • Capture every lead. Most plumbing businesss miss 20-30% of calls. AI call capture turns those into booked customers.
  • Compound with reviews and content. Use AI to systematize reviews, follow-up, and local content.

See the full playbook for your industry: AI marketing for plumbing & hvac contractors.

Washington plumbing & hvac contractors market - FAQ

How many plumbing & hvac contractors are there in Washington, DC?

There are 1,663 plumbing & hvac contractors in the Washington-Arlington-Alexandria, DC-VA-MD-WV area, about 26.4 per 100,000 residents.

Is Washington, DC a good place to open a plumbing business?

Washington ranks #94 of 387 U.S. metros by plumbing & hvac contractors per capita (underserved). With 26.4 per 100,000 residents and 0.7% population growth since 2020, it's an opening for a well-marketed plumbing business.

Is the Washington plumbing & hvac contractors market saturated?

Washington has 26.4 plumbing & hvac contractors per 100,000 residents versus a U.S. median of 31.9. That is underserved, more saturated than 24% of U.S. metros.

How fast is Washington, DC growing?

The Washington-Arlington-Alexandria, DC-VA-MD-WV metro population grew 0.7% from 2020 to 2023, to about 6,304,975 residents.