Prem-Air Services
HVAC contractor in Middle River, MD 21220
About this company
Prem-Air Services is listed as an HVAC contractor at 407 Armstrong Rd in Middle River, Maryland, in Baltimore County. It is one of 6 HVAC companies in ZIP 21220.
Other HVAC companies nearby
Constellation Home1409 Tangier Dr Ste A, Middle River
1.2 mi(888) 243-4663
H.F. Horney Inc.2003 Old Orems Rd, Middle River
2.3 mi(410) 780-3835
Modern Comfort1401 E Homberg Ave, Essex
3.0 mi(410) 876-2200
Scott's A/C and Heating2 Right Elevator Dr, Middle River
3.1 mi(410) 960-5177
Synergy Mechanical Solutions6618 Blackhead Rd, Middle River
3.3 mi(410) 948-1850
Housing market around ZIP 21220
Figures describe the local area, not this company.
Typical home value$329,000+0.3% past year · +53% in 10 years
Typical rent$1,708−0.8% past year
12-month value outlook+0.4%Roughly flat
New homes permitted, 20251,531Baltimore County
Days to sale agreement16Baltimore metro · 14 a year ago
Listings with a price cut30.2%Baltimore metro
Sale price vs list100.1%Baltimore metro
New construction sales122Baltimore metro, Aug · −37% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 26% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.