Demtec
Waste hauler in Thornwood, NY · 2 drivers · USDOT 4523741
Company details
- Legal name
- Costello Construction Group LLC
- Address
- 19 Rolling Hills Rd
Thornwood, NY 10594 - Phone
- (516) 216-0597
- Website
- demtec.com
- County
- Westchester County
- USDOT number
- 4523741 (active)
- FMCSA registered
- Since January 2026
- Operation
- Intrastate carrier · Private property (hauls its own cargo)
- Cargo on file
- Construction
- Hazardous materials
- No
- Locations
- 1 location · operates in NY
- Data sources
- FMCSA Motor Carrier Census (24 Aug 2026), company website (Sep 2026)
- Last verified
- 2026-10-15
Fleet and drivers
- Drivers
- 2
- Driving radius
- Regional / long haul (2 drivers beyond 100 miles) (0 interstate, 2 intrastate)
- Fleet size band
- 1–4 drivers
- Last FMCSA filing
- MCS-150 updated Jan 26, 2026
Figures come from the carrier's own FMCSA registration filings and are self-reported.
Business categories
- Excavation Contractors
Services mentioned on the company website
Keywords read from demtec.com in Sep 2026. Confirm services and pricing with the company.
About this hauler
Demtec is a waste hauler based in Thornwood, New York, in Westchester County. It has been registered with the Federal Motor Carrier Safety Administration since 2026 (USDOT 4523741) and files as an intrastate carrier hauling construction. Its latest filing lists 2 drivers. It is listed under excavation contractors, and its website mentions demolition, debris removal. The nearest transfer station is Briarcliff Manor, 2.9 miles away, and the nearest landfill is Croton Point Landfill in Croton-on-Hudson, 7.8 miles away.
Nearby facilities
- Briarcliff Manor Transfer Station 2.9 mi · Briarcliff Manor, NY
- New Castle Recycling Center Recycling 3.3 mi · Chappaqua, NY
- Brookfield Recycling 4.5 mi · Elmsford, NY
- Westchester Recycling Services Recycling 4.7 mi · Elmsford, NY
- Brookfield Resource Mgmt Recycling 4.7 mi · Elmsford, NY
- Westchester County Brockway Place Transfer Station Transfer Station 5.6 mi · White Plains, NY
- Barlow Prop Transfer Station Transfer Station 5.7 mi · Ossining, NY
- Mt. Kisco Transfer Station. Transfer Station 6.1 mi · Mt Kisco, NY
- Taxter Road Leaf Transfer Station Transfer Station 6.1 mi · Irvington, NY
- Igneo Recycling 6.4 mi · White Plains, NY
Nearest landfill: Croton Point Landfill, Croton-on-Hudson — 7.8 mi
Other waste haulers nearby
- Jaz-Mar Carting Incsame town · Thornwood, NY · 2 drivers
- A & R Carting1.9 mi · Hawthorne, NY · 1 driver
- Tri State Environmental Services Inc1.9 mi · Hawthorne, NY · 4 drivers
- Bazooka Carting Inc3.5 mi · Armonk, NY · 1 driver
- Atnm Corp3.7 mi · Briarcliff, NY · 2 drivers
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Area served
Based in Thornwood; towns within 15 miles: Thornwood, Pleasantville, Hawthorne, Valhalla, Armonk, Briarcliff Manor, Chappaqua, West Harrison, White Plains, Tarrytown, Elmsford, Maryknoll.
County context
One of 119 waste haulers in Westchester County, NY and one of 2,920 waste haulers in New York.
ZIP 10594 at a glance
- Population
- 5,110 (765 per sq mi)
- Median age
- 43
- Households
- Median income $163,542 · 62% earn six figures
- Housing
- 90% owner-occupied · median home value $685,657 · median rent $2,458
- Workforce
- 64% labor-force participation · 4.1% unemployment
ZIP figures are US Census estimates for the ZIP area, not the company.
New York solid-waste agency: New York State Department of Environmental Conservation (DEC)
Disposal options for this hauler
28 transfer stations, 28 recycling centers and 1 landfill in Westchester County.