HVAC companies in Mardela Springs, MD 21837
1 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC44 / 100Moderate market, crowded field
Typical home value$291,000+3.3% in the past year
New homes permitted, 2025170Wicomico County
Homeowners87.2%1,186 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Marathon Service CompanyHVAC contractor · 25600 Ocean Gtwy, Mardela Springs(410) 543-2962 · marathonserviceco.com
HVAC in ZIP 21837 at a glance
Local building angle: Wicomico County permitted 170 new homes in 2025, including 33 apartment units. 37% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.