Diamond Comfort Systems Corp
HVAC contractor in Setauket, NY 11733
About this company
Diamond Comfort Systems Corp is listed as an HVAC contractor at 34 A Ridgeway Ave in Setauket, New York, in Suffolk County. It is one of 6 HVAC companies in ZIP 11733.
Other HVAC companies nearby
Thermolift1000 Innovation Rd # 209, Stony Brook
2.1 mi(631) 751-3648
A1 Heating and Air Conditioning11 Hulse Rd, Port Jefferson Station
2.4 mi(631) 331-2102
DL Peterson Corp26 Sheppard Ln, Stony Brook
2.6 mi(631) 751-4755
Shona Mechanical, Inc.37 Stadium Blvd, East Setauket
3.1 mi(631) 675-0609
All Island Mechanical3250 Nesconset Highway, Setauket- East Setauket
3.4 mi(631) 471-5000
Housing market around ZIP 11733
Figures describe the local area, not this company.
Typical home value$874,000+8.3% past year · +71% in 10 years
12-month value outlook+3.2%
Days to sale agreement33New York metro · 32 a year ago
New homes permitted, 20251,399Suffolk County
Listings with a price cut16.6%New York metro
Sale price vs list102.3%New York metro
New construction sales390New York metro, Aug · −29% 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: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 9% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.