HVAC companies in Parkville, MD 21234
4 HVAC companies, with local market data for this ZIP.
General contractors 39Roofing and exteriors 11Remodeling 6HVAC 4Concrete and masonry 3Electricians 3Carpentry, drywall and windows 3Flooring and tile 2Excavation and demolition 2Garage doors 1
Area profitability, HVAC58 / 100Moderate market, balanced field
Typical home value$300,000−0.7% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners64.5%27,258 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Baltimore Heating & CoolingHVAC contractor · 7900 Oakdale Ave, Parkville(410) 668-6244 · baltimoreheatingcooling.com
Modern Comfort Systems, Inc.HVAC contractor · 1759 E Joppa Rd, Parkville(410) 258-5113 · moderncomfortsystems.com
AAA Air Conditioning & Heating IncHVAC contractor · 2907 Taylor Ave, Parkville(410) 661-7557
Binder Plumbing And HeatingHVAC contractor · Baltimore(410) 668-4800 · 5 drivers, 5 trucks
HVAC in ZIP 21234 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 5% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.