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Altin Gashi, Owner 917-690-1449 adgcgroupllc@gmail.com NYC Licensed GC · Reg. No. 627898

Commercial & Institutional General Contractor

From the excavation to the roofline.

A&D GC Group is a licensed, fully insured New York City general contractor. We frame, repair structure, pour concrete, excavate for other trades and restore occupied buildings, and we build new houses from the ground up. We pull the permits, protect the site and leave every surface restored.

Speak with the owner, Altin Gashi: 917-690-1449

Upper-story brick facade below a stone cornice after cleaning and waterproof sealing
Masonry Brick facade waterproofing
Parking garage beam shored with steel posts and timber during concrete restoration
Structural Garage beam restoration
Hand-dug tunnel under a building with new no-hub cast iron drain line on clevis hangers
Excavation Tunnel for main drain

NYC DOB Registration

No. 627898

  • Construction
  • Demolition
  • Concrete
  • Licensed & Insured

    NYC GC with construction, demolition and concrete endorsements.

  • Permits Handled

    We file and pull DOB permits when the job requires them.

  • One Contractor

    Excavation, concrete, framing and finishes from one crew.

  • Occupied Buildings

    Safe, clean sites around students, tenants and staff.

What we do

Every trade your building needs. One point of contact.

From the ground up and from the roof down, our crews cover the work that keeps commercial, institutional and residential buildings in service, done to code and to a high standard.

Who we serve

  • Universities & institutions
  • Commercial & office buildings
  • New developments
  • Property managers
  • Multi-family residential
  • Homeowners
  • Other trades
  • New wood roof framing installed over a brick rowhouse

    Metal & Wood Framing

    Our core trade. Metal stud and wood framing for new developments, office build-outs and commercial renovations, built to plan and ready for the other trades.

    • Metal stud framing for new developments
    • Office and retail build-outs, demising walls
    • Ceilings, soffits, bulkheads and shaft walls
    Related projects: Metal & Wood Framing
  • Restored garage beam with new fireproofed steel beam bolted underneath

    Structural & Steel

    Steel beams, metal platforms and framing extensions installed to approved DOB plans, plus concrete beam and slab restoration, shoring and fireproofing.

    • Steel beam and lintel installation
    • Concrete beam, column and slab restoration
    • Temporary shoring and steel fireproofing
    Related projects: Structural & Steel
  • Crew finishing a new broom-finished concrete sidewalk strip

    Concrete & Sidewalks

    Slab saw-cutting, breakout and new pours, floor restoration, sidewalks, curbs, trench drains and finished flatwork.

    • Saw-cutting, core drilling and breakout
    • New slabs, pads and floor pours
    • Sidewalks, walkways, curbs and steps
    Related projects: Concrete & Sidewalks
  • Trench dug through brick pavers toward a building for new electrical conduit

    Excavation for Trades

    Hand and machine excavation, trenches and tunnels under existing buildings so plumbers and electricians can reach their lines. Then full backfill and surface restoration.

    • Tunnels and trenches for plumbing access
    • Utility and conduit trenches for electricians
    • Pits for sump, ejector and pump basins
    Related projects: Excavation for Trades
  • Coated metal roof with every snow guard bracket sealed against leaks

    Roofing & Waterproofing

    Full roof rebuilds, shingle and flat roofs, flashing, leak repairs, skylight and HVAC sealing, gutter cleaning and Henry heavy-duty waterproofing.

    • Full roof replacement and new framing
    • Flashing, parapets and leak repairs
    • Gutter, box gutter and drain cleaning
    Related projects: Roofing & Waterproofing
  • Upper-story brick facade sealed and waterproofed, worked from a lift

    Masonry & Facade

    Brick and block work, foundation wall repairs, parapets, facade cleaning, sealing and waterproofing.

    • Brick and block construction and repair
    • Facade cleaning, sealing and waterproofing
    • Stone coping, cap and parapet repairs
    Related projects: Masonry & Facade
  • Office restored after a flood with new drop ceiling, lighting and painted walls

    Interior Renovation

    Sheetrock, taping and spackle, drop ceilings, painting, tile, doors and hardware, and restoring rooms after water or flood damage.

    • Water and flood damage restoration
    • Suspended grid and acoustical ceilings
    • Tile, flooring and bathroom renovations
    Related projects: Interior Renovation
  • New no-hub cast iron wye and trap tied into a replaced main drain

    Plumbing & Building Services

    Drain and waste lines, cast iron, pump pits and cleanouts, plus fast-turnaround repairs and equipment support for institutional and commercial buildings.

    • Cast iron and no-hub drain and waste lines
    • Floor drains, cleanouts and pump pits
    • Emergency and fast-turnaround repairs
    Related projects: Plumbing & Building Services

Residential construction

We also build houses.

New homes built from the ground up by the same licensed crew: excavation and concrete, framing, roofing and interior finishes, under one contract with one point of contact.

Talk to us about a new home

Have a scope that crosses trades?

One crew covers excavation, concrete, framing and finishes, so you don't have to juggle subcontractors. Send us plans or photos and we'll walk the site.

Project portfolio

Before, in progress, complete. Every job on record.

A selection from our 50+ completed projects: excavation under occupied buildings, structural repairs and full restorations. Not every job was photographed, and more case studies are added as work closes out.

  • Project record · 2026

    50+ projects completed. More on the way.

    22 are documented here with before, in-progress and complete photos, so you can see how we work in occupied buildings.

  • For plumbers & electricians

    Underground Excavation

    11 projects

    Tunnels, trenches and pits dug by hand and machine under occupied buildings, so other trades can reach their lines. Then backfill and full surface restoration.

    • Tunnels & trenches
    • Pump pits
    • Slab cut & pour
    • Surface restoration
  • Roofs, beams, facades, interiors

    Structural & Restoration

    10 projects

    Roofs, beams, facades and interiors brought back into service: shoring and steel, waterproofing, framing, finishes and repairs in occupied buildings.

    • Beam restoration
    • Roof replacement
    • Facade waterproofing
    • Interior repairs
  • Water-damaged rooms rebuilt

    Flood Restoration

    1 project

    Flood-damaged ceilings, walls and floors torn out down to clean structure, then rebuilt so offices and storage rooms go back into use.

    • Drop ceilings
    • Mold removal
    • Sheetrock & paint
    • Fixture reset

How we work

Five steps from site visit to closeout.

One contractor, one point of contact, and a process built for buildings that stay occupied while we work.

  1. 01

    Site Visit

    We inspect the conditions, take photos and confirm exactly what the job needs.

  2. 02

    Detailed Proposal

    A written scope of work with clear pricing covering materials, equipment and labor.

  3. 03

    Permits & Planning

    We file the permits, schedule the work and coordinate with building staff and other trades.

  4. 04

    Safe Execution

    Barricades, protection and clean work areas, so occupied buildings keep running.

  5. 05

    Closeout

    We restore every surface, clean up completely and send photos of the finished work.

About A&D GC Group

Licensed, insured and on site from the first cut to closeout.

A&D GC Group LLC is a licensed New York City general contractor, fully insured, with construction, demolition and concrete endorsements. We work mostly in commercial and institutional buildings, from new development framing to structural repairs, excavation for other trades and restoration in occupied buildings.

Our crews handle the work from start to finish: we pull the permits, coordinate with plumbers, electricians and building staff, protect the site, and leave every area clean and restored.

Altin Gashi

Owner · Your direct point of contact

Verified credentials

NYC Licensed General Contractor

DOB Registration
No. 627898
Endorsements
  • Construction
  • Demolition
  • Concrete
Insurance
Fully insured
Permits
DOB filings pulled when the job requires them
Company
A&D GC Group LLC · Rego Park, Queens
  • 50+Projects completed, with more underway
  • 22Case studies with photos
  • 118Site photos on record
  • 1Point of contact, start to finish

Contact

Request a proposal.

Send plans, photos or a short description of the job. We'll schedule a site visit and follow up with a written scope and clear pricing.

Your request goes straight to Altin's inbox.