Xcell Williams Heating & Cooling
HVAC contractor in Saint Louis, MO 63121
About this company
Xcell Williams Heating & Cooling is listed as an HVAC contractor at 3901 Shirley Ave in Saint Louis, Missouri, in St. Louis County. It is one of 2 HVAC companies in ZIP 63121.
Other HVAC companies nearby
Arch Air Services9022 Pallardy Ln # 2, St. Louis
1.6 mi(314) 428-4328
American Radiator7236 St Charles Rock Rd, Saint Louis
2.2 mi(314) 725-3357
Knowles Services34 N Florissant Rd, St. Louis
2.4 mi(314) 521-0284
Epinger Services3822 Avondale Ave, Saint Louis
2.5 mi(314) 385-2400
Thompson Supply Company1916 Woodson Rd, St Louis
2.7 mi(314) 423-3700
Housing market around ZIP 63121
Figures describe the local area, not this company.
Typical home value$91,000−0.4% past year · +107% in 10 years
Typical rent$1,173+4.5% past year
12-month value outlook+3.4%
New homes permitted, 2025957St. Louis County
Days to sale agreement11St. Louis metro · 8 a year ago
Listings with a price cut29.2%St. Louis metro
Sale price vs list100.1%St. Louis metro
New construction sales128St. Louis metro, Aug · −14% 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: St. Louis County permitted 957 new homes in 2025, including 456 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.