Latest Projects

  • 280 St Marks

    Brooklyn, NY

    A vision of green and healthy living located in the heart of Prospect Heights, one of Brooklyn's most vibrant neighborhoods.

  • Hahne and Company

    Newark, NJ

    A landmark building in Downtown Newark, this is one of the flagship projects of Newark's recent redevelopement efforts.

  • The Offerman Building

    Brooklyn, NY

    A residential conversion of the landmarked Offerman department store, the building now holds 120 rental lofts with 15 foot ceilings

  • 111 East 75th Street

    Manhattan, NY

    A pre war co-op built in 1925, this building is located in the Upper East Side near Central Park and New York City's Museum Mile.

Featured Projects

  • Hudson Harbor

    Tarrytown, NY

    A beautiful collection of town houses and condos right along the Hudson River, featuring great views of the Tappan Zee Bridge.

  • 110 West 90th Street

    Manhattan, NY

    A busy co-op in New York City's very desirable Upper West Side, only a few blocks away from Central Park.

  • Montclair State University

    Montclair, NJ

    New dormitory buildings at Montclair State University. The buildings were part of a major expansion to the university.

  • The Unadilla

    Manhattan, NY

    The century old original windows were replaced at the Unadilla Building located within the very stylish Greenwich Village.

  • 360 Riverside Drive

    Manhattan, NY

    A historic building on New York's famous Riverside Drive, notice the difference of the new beige windows compared to the rest.

  • Edgewater Harbor

    Edgewater, NJ

    This newly constructed condominium building right along the Hudson River features great views of the Manhattan skyline.

  • Brownstones of NYC

    New York City, NY

    New York City is well known for its beautiful brownstones spread through out the five boroughs, they're usually over a century old.

  • The Beacon

    Jersey City, NJ

    The old Jersey City Medical Center converted into luxury condos, it is currently the largest restoration project in the country.

Top Benefits

Energy Savings

Properly installed windows make any structure much more energy efficient. In today's day and age it's time to go green.

Money Savings

Saving energy goes side-by-side with saving money. The right windows will add up to huge savings on energy costs.

Curb Appeal

Getting new windows is the equivalent of giving a building a face-lift. The results will be impossible to overlook.


Don't trust the "Jack of all trades" to get the job done right. At JAJ we exclusively specialize in Window and Doors day in and day out.