Key Insulation

General contractor in San Antonio, TX 78237

About this company

Key Insulation is listed as a general contractor at 5015 Air Park St in San Antonio, Texas, in Bexar County. It is one of 11 general contractors in ZIP 78237.

Other construction companies nearby

Ibp5015 Airpark Dr, San Antonio
Under 0.1 mi(210) 764-4602
Cowboy Foundations and Construction, Inc.1911 Airlawn Dr, San Antonio
0.2 mi(210) 573-5864
DEA Specialties5151 Castroville Rd, San Antonio
0.3 mi(210) 523-1073
San Antonio Septic838 S Acme Rd, San Antonio
0.4 mi(210) 673-2808
RCO Construction5418 W US-90, San Antonio
0.6 mi(210) 739-5085

Housing market around ZIP 78237

Figures describe the local area, not this company.

Typical home value$120,000−0.3% past year · +54% in 10 years
Typical rent$1,216+7.4% past year
12-month value outlook−2.6%
New homes permitted, 20256,333Bexar County
Days to sale agreement53San Antonio metro · 51 a year ago
Listings with a price cut30.4%San Antonio metro
Sale price vs list97.2%San Antonio metro
New construction sales1,180San Antonio metro, Aug · +3% 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

$80K$100K$120K$140K201620182020202220242026$120K

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Bexar County permitted 6,333 new homes in 2025, including 1,713 apartment units. 15% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.