Cedar Knolls
Construction company in Islip, NY 11779
About this company
Cedar Knolls is listed as a construction company at 900 Marconi Ave in Islip, New York, in Suffolk County. It is one of 60 general contractors in ZIP 11779.
Other construction companies nearby
Design Development900 S 2nd St, Islip
0.1 mi(631) 676-5098
Construction Specialties Installations860 S 2nd St, Ronkonkoma
0.2 mi(866) 746-8849
Barry Goggin Construction Corp2140 Pond Rd Unit 9, Ronkonkoma
0.3 mi(631) 981-4953
Alrod Associates710 Union Pkwy Ste 9, Ronkonkoma
0.5 mi(631) 981-2193
Aurora Contractors, Inc100 Raynor Ave, Ronkonkoma
0.5 mi(631) 981-3785
Housing market around ZIP 11779
Figures describe the local area, not this company.
Typical home value$651,000+6.0% past year · +92% in 10 years
Typical rent$3,019+8.3% past year
12-month value outlook+3.3%
New homes permitted, 20251,399Suffolk County
Days to sale agreement33New York metro · 32 a year ago
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. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.