Cornerstone Air Conditioning
HVAC contractor in Honolulu, HI 96817
About this company
Cornerstone Air Conditioning is listed as an HVAC contractor at 1318 Hart St in Honolulu, Hawaii, in Honolulu County. Federal motor carrier records list 5 drivers and 1 trucks for the company. It is one of 3 HVAC companies in ZIP 96817.
Other HVAC companies nearby
Aloha State Service LTD254 Libby St, Honolulu
0.3 mi(808) 832-2622
American Air Conditioning500 Alakawa St Rm 204, Honolulu
0.3 mi(808) 847-0851
3-D Sheetmetal1628 Democrat St, Honolulu
0.3 mi(808) 201-4897
Air Masters Inc1721 Republican St, Honolulu
0.4 mi(808) 848-2473
Air Central Inc1717 Colburn St, Honolulu
0.4 mi(808) 845-7300
Housing market around ZIP 96817
Figures describe the local area, not this company.
Typical home value$787,000+3.4% past year · +27% in 10 years
Typical rent$2,519+5.0% past year
12-month value outlook−0.3%Roughly flat
New homes permitted, 20251,446Honolulu County
Days to sale agreement32Urban Honolulu metro · 43 a year ago
Listings with a price cut19.2%Urban Honolulu metro
Sale price vs list98.6%Urban Honolulu metro
New construction sales57Urban Honolulu metro, Aug · +33% 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: Honolulu County permitted 1,446 new homes in 2025, including 717 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.