John McGowan & Sons
Construction company in Sea Cliff, NY 11579
About this company
John McGowan & Sons is listed as a construction company at 323 Glen Cove Ave in Sea Cliff, New York, in Nassau County. Federal motor carrier records list 6 drivers and 6 trucks for the company. It is one of 6 general contractors in ZIP 11579.
Other construction companies nearby
Griffin Contracting7 Littleworth Ln, Sea Cliff
0.4 mi(516) 676-4116
Jemco Contracting36 William St, Glen Head
0.6 mi(516) 629-6815
F & F Design Center185 Glen Cove Ave, Sea Cliff
0.7 mi(516) 674-4776
Glen Head Kitchens & Baths671 Glen Cove Ave, Oyster Bay
0.7 mi(516) 676-8300
Allied Construction Corp61 9th Ave, Sea Cliff
0.8 mi(516) 840-1511
Housing market around ZIP 11579
Figures describe the local area, not this company.
Typical home value$1,139,000+10.0% past year · +72% in 10 years
12-month value outlook+2.9%
Days to sale agreement33New York metro · 32 a year ago
New homes permitted, 2025821Nassau 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: 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.