Windy City Mechanical Inc.
HVAC contractor in Alsip, IL 60803
About this company
Windy City Mechanical Inc. is listed as an HVAC contractor at 4811 W 129th St in Alsip, Illinois, in Cook County. It is one of 5 HVAC companies in ZIP 60803.
Other HVAC companies nearby
Ceige Heating and Cooling12740 Cal Sag Rd, Crestwood
0.6 mi(708) 258-5727
Precision Today13450 Cicero Ave, Crestwood
0.7 mi(630) 296-9289
Dykstra Home Services13450 Cicero Ave, Crestwood
0.7 mi(844) 399-7930
Around the Town Heating and Cooling4912 135th St, Crestwood
0.7 mi(708) 560-5410
Meade Heating4246 W 124th Pl, Alsip
0.9 mi(708) 385-0499
Housing market around ZIP 60803
Figures describe the local area, not this company.
Typical home value$270,000+5.7% past year · +90% in 10 years
Typical rent$1,535+3.9% past year
12-month value outlook+2.9%
New homes permitted, 20254,969Cook County
Days to sale agreement14Chicago metro · 12 a year ago
Listings with a price cut27.5%Chicago metro
Sale price vs list100.5%Chicago metro
New construction sales546Chicago metro, Aug · −2% 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: Cook County permitted 4,969 new homes in 2025, including 3,088 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.