HVAC companies in Hampstead, MD 21074
3 HVAC companies, with local market data for this ZIP.
General contractors 20Electricians 5Roofing and exteriors 4HVAC 3Painting 3Excavation and demolition 3Remodeling 3Concrete and masonry 2Other construction trades 2Carpentry, drywall and windows 1Garage doors 1Flooring and tile 1
Area profitability, HVAC62 / 100Strong market, crowded field
Typical home value$432,000+2.0% in the past year
New homes permitted, 2025153Carroll County
Homeowners86.6%6,052 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Alford Plumbing & Heating, IncHVAC contractor · 1916 Hanover Pike, Hampstead(410) 239-6925 · alfordplumbingandheating.com
Silverado Mechanical ServicesHVAC contractor · 4024 Shiloh Ave, Hampstead(410) 374-9900 · silveradomechanicalservices.com
Massicot Jack Plumbing, Heating & Home ImprovementsHVAC contractor · 248 S Houcksville Rd, Hampstead(410) 374-1900
HVAC in ZIP 21074 at a glance
Local building angle: Carroll County permitted 153 new homes in 2025. 15% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.