The John E. Ruth Co.
HVAC contractor in Catonsville, MD 21228
About this company
The John E. Ruth Co. is listed as an HVAC contractor at 5621 Old Frederick Rd in Catonsville, Maryland, in Baltimore County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 5 HVAC companies in ZIP 21228.
Other HVAC companies nearby
A-Z Heating AC & Refrigeration1012 Leslie Ave # B, Catonsville
1.4 mi(410) 944-4810
King Mechanical Company1718 Belmont Ave, Windsor Mill
2.2 mi(410) 265-0078
Elkridge AC & Hea320 STONEWALL Rd, Catonsville
2.8 mi(410) 796-5492
United Products Distributors4030 Benson Ave, Halethorpe
3.0 mi(410) 866-6800
Columbia Heating Products1409 Rome Rd, Halethorpe
3.1 mi(410) 242-5300
Housing market around ZIP 21228
Figures describe the local area, not this company.
Typical home value$425,000+1.3% past year · +45% in 10 years
Typical rent$1,750+2.3% past year
12-month value outlook+0.6%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. 9% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.