DUCTZ of the Upper Bay Region
HVAC contractor in Fallston, MD 21047
About this company
DUCTZ of the Upper Bay Region is listed as an HVAC contractor at 2501 Derby Dr in Fallston, Maryland, in Harford County. It is one of 4 HVAC companies in ZIP 21047.
Other HVAC companies nearby
Flanagan Enterprise5235 Hydes Rd, Hydes
4.3 mi(410) 663-3332
Forest Hill Heating & Air3732 Peach Orchard Rd, Street
4.7 mi(443) 752-3520
WaterVale Geo Heating and Cooling2116 Watervale Rd, Fallston
4.9 mi(410) 879-0292
G W Murk Services Co.4062 Madonna Rd, Jarrettsville
5.8 mi(410) 557-6233
S&L Prime A/C and Heating12076 Glen Arm Rd, Glen Arm
6.0 mi(410) 274-4086
Housing market around ZIP 21047
Figures describe the local area, not this company.
Typical home value$563,000+1.8% past year · +49% in 10 years
12-month value outlook+0.3%Roughly flat
Days to sale agreement16Baltimore metro · 14 a year ago
New homes permitted, 2025715Harford County
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: Harford County permitted 715 new homes in 2025, including 137 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.