G.C. Timm Inc.
HVAC contractor in Lake Barrington, IL 60010
About this company
G.C. Timm Inc. is listed as an HVAC contractor at 25100 N Iroquois Ct in Lake Barrington, Illinois, in Cook County. It is one of 9 HVAC companies in ZIP 60010.
Other HVAC companies nearby
Custom Climate Comfort Inc.26465 N Cherrywood Ln, Wauconda
2.2 mi(847) 505-0662
All Temp Heating & Air Conditioning124 E Liberty St, Wauconda
2.5 mi(847) 526-9082
V.M. O'Leary Sheet Metal & Htg820 3 Oaks Rd, Cary
2.6 mi(847) 639-1974
Indoor Climate Experts HVAC302 Fox Glen Ct, Barrington
3.0 mi(847) 302-0071
Efficient Heating and Cooling950 N Rand Rd, Wauconda
3.2 mi(815) 347-8353
Housing market around ZIP 60010
Figures describe the local area, not this company.
Typical home value$732,000+8.6% past year · +50% in 10 years
Typical rent$3,125
12-month value outlook+3.0%
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. 20% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.