W. Siebert Contracting

Concrete and masonry contractor in Islip, NY 11730

About this company

W. Siebert Contracting is listed as a concrete and masonry contractor at 46 Adams St E in Islip, New York, in Suffolk County. Federal motor carrier records list 2 drivers and 3 trucks for the company. It is one of 5 concrete and masonry companies in ZIP 11730.

Other concrete and masonry companies nearby

Concrete Impressions Inc46 Saxon Ave, Bay Shore
2.1 mi(631) 206-1285
Pm paving and masonry19 Tamarack St, Central Islip
2.4 mi(631) 882-2191
JC Masonry & Concrete Design967 Spur Dr N, Bay Shore
2.7 mi(631) 228-7346
Alvear construction Llc240 Clayton St, Central Islip
3.2 mi(631) 339-2715
Gold Works Masonry Corporation33 E Locust St, Islip
3.2 mi(631) 463-3112

Housing market around ZIP 11730

Figures describe the local area, not this company.

Typical home value$740,000+9.4% past year · +84% in 10 years
12-month value outlook+3.9%
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

$400K$500K$600K$700K201620182020202220242026$740K

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 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.