HVAC companies in Parkton, MD 21120
3 HVAC companies, with local market data for this ZIP.
General contractors 7HVAC 3Roofing and exteriors 2Electricians 2Fences and decks 1Remodeling 1Concrete and masonry 1
Area profitability, HVAC67 / 100Strong market, crowded field
Typical home value$642,000+2.1% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners93.8%2,560 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
All Air SystemsHVAC contractor · 18 Lauriann Ct, Parkton(410) 874-0100 · allairsystemscommercial.com
MTS Plumbing & HeatingHVAC contractor · 20030 Cameron Mill Rd, Parkton(410) 329-6066 · mtsplumbingandheating.com
Pride MechanicalHVAC contractor · 18 Lauriann Ct, Parkton(410) 874-0100 · pridemechanicalservices.com
HVAC in ZIP 21120 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 21% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.