Donald L. Lowe & Sons Inc.
HVAC contractor in Monrovia, MD 21770
About this company
Donald L. Lowe & Sons Inc. is listed as an HVAC contractor at 4937 Green Valley Rd #H in Monrovia, Maryland, in Frederick County. It is one of 4 HVAC companies in ZIP 21770.
Other HVAC companies nearby
Montgomery Sheet Metal Fabricator Inc3903 Maurice Ct, Monrovia
3.0 mi(301) 865-2835
Sunline Systems5320 Ijamsville Rd, Ijamsville
3.1 mi(301) 831-3100
TruTemp Heating & Cooling3478 Augusta Dr, Ijamsville
3.2 mi(301) 882-8300
ClemAIR Heating & Cooling10803 Highwood Pl, New Market
3.4 mi(240) 357-3275
Applied Heating and Cooling Solutions6663 Coldstream Dr, New Market
3.5 mi(240) 235-1500
Housing market around ZIP 21770
Figures describe the local area, not this company.
Typical home value$653,000+0.4% past year · +54% in 10 years
12-month value outlook+0.2%Roughly flat
Days to sale agreement19Washington metro · 17 a year ago
New homes permitted, 20251,168Frederick County
Listings with a price cut29.4%Washington metro
Sale price vs list99.7%Washington metro
New construction sales489Washington metro, Aug · −24% 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: Frederick County permitted 1,168 new homes in 2025, including 354 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.