ServiceMark Heating Cooling & Plumbing
HVAC contractor in Newark, DE 19711
About this company
ServiceMark Heating Cooling & Plumbing is listed as an HVAC contractor at 307 Ruthar Dr in Newark, Delaware, in New Castle County. It is one of 3 HVAC companies in ZIP 19711.
Other HVAC companies nearby
Wegman Brothers2612 Ogletown Rd, Newark
0.5 mi(302) 738-4328
Sears Appliance Repair49 University Plz, Newark
2.3 mi(302) 266-1396
Enhanced Heating & Air Conditioning68 Albe Dr, Newark
2.7 mi(302) 416-4730
Berry Refrigeration Company2 Garfield Way, Newark
2.7 mi(302) 733-0933
Delaware Heating and Air Conditioning Service11 Mcmillan Way, Newark
3.0 mi(302) 223-9258
Housing market around ZIP 19711
Figures describe the local area, not this company.
Typical home value$424,000+1.3% past year · +51% in 10 years
Typical rent$2,028+3.6% past year
12-month value outlook+1.5%
New homes permitted, 20251,322New Castle County
Days to sale agreement15Philadelphia metro · 13 a year ago
Listings with a price cut26.3%Philadelphia metro
Sale price vs list100.1%Philadelphia metro
New construction sales229Philadelphia metro, Aug · −25% 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: New Castle County permitted 1,322 new homes in 2025, including 188 apartment units. 10% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.