HVAC companies in Union Bridge, MD 21791
1 HVAC companies, with local market data for this ZIP.
General contractors 14Other construction trades 3Roofing and exteriors 2Fences and decks 2Excavation and demolition 2Concrete and masonry 1Electricians 1HVAC 1
Area profitability, HVAC60 / 100Strong market, crowded field
Typical home value$445,000+0.5% in the past year
New homes permitted, 20251,168Frederick County
Homeowners81.7%1,865 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Shelton Plumbing and HeatingHVAC contractor · 11713 Green Valley Rd, Union Bridge(410) 775-2127 · sheltonplumbingandheating.com
HVAC in ZIP 21791 at a glance
Local building angle: Frederick County permitted 1,168 new homes in 2025, including 354 apartment units. 11% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.