HVAC companies in Sea Cliff, NY 11579
2 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC66 / 100Strong market, crowded field
Typical home value$1,139,000+10.0% in the past year
New homes permitted, 2025821Nassau County
Homeowners77.3%1,759 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
O'Keefe Plumbing & Heating, Inc.HVAC contractor · 42 Harbor Way, Sea Cliff(516) 674-3154 · okeefeplumbingandheating.com
Yonkers Plumbing & HeatingHVAC contractor · 327 Glen Cove Ave, Sea Cliff(516) 759-2601
HVAC in ZIP 11579 at a glance
Local building angle: Nassau County permitted 821 new homes in 2025, including 159 apartment units. 3% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.