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Addition & Alteration Contractor

Construction Site Meeting
House Under Construction

What We
Offer

01

Full Home Addition

We build full‑scale home additions that expand living space with new foundations, framing, utilities, and premium finishes. This service delivers a seamless extension of the home with modern comfort and long‑term value.

03

Garage Conversions & ADU Build‑Outs

We convert garages into livable spaces or build accessory dwelling units with full plumbing, electrical, insulation, and custom layouts. This service adds rentable or multi‑use square footage with strong ROI.

02

Second‑Story or Vertical Additions

We add new floors or expand upward with structural reinforcement, new layouts, upgraded mechanicals, and full interior build‑outs. This service dramatically increases square footage without sacrificing yard space.

04

Multi‑Room Expansion Packages

We expand multiple areas of the home at once—such as adding square footage to kitchens, living rooms, and bedrooms—complete with new foundations, framing, utilities, and premium finishes. This delivers a cohesive, large‑scale upgrade.

Who We Serve

New York

Bronx, NY
Queens, NY
Brooklyn, NY

Staten Island, NY
Manhattan, NY
Westchester County, NY

Nassua County, NY
Suffolk County, NY

New Jersey

Hudson County, NJ
Essex County, NJ
Union County, NJ

Bergen County, NJ
Middlesex County, NJ

NATIONAL COMMERCIAL GENERAL CONTRACTING SERVICES

Let's get in Touch

Service No. 516-401-0820

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954 Lexington Avenue #2005
New York, New York 10021
© 2018-2026 by DJ CUSTOM CONTRACTING LLC. All Rights Reserved.
NYC DCWP LIC. NO. 2126826-DCWP | WESTCHESTER COUNTY DCP LIC. NO. WC-38142-H24 | NJ DCA LIC. NO. 13VH13629500

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