Welcome to Allied Additions LLC!
When you need a high quality Addition
Contact Us:

Package 1


Extension Special for $50,000
12 Ft X 25 Ft
Includes Heat, Electric, Molding,
Roofing, Siding and
4 Free Windows

Package 2


Half Dormer Finish Special for $58,000
13 Ft X 25 Ft
Includes Heat, Electric, Molding,
Interior Door, Roofing, Siding and
4 Free Windows

Package 3


Full Dormer Finish Special for $125,000
25 Ft X 35 Ft
Includes 1 Free Finished 10 x 10 Large Bathroom, Heat, Electric,
Molding, Interior Door, Roofing,
Siding and 8 Free Windows

allied additions

When you need high quality solutions for home additions on Long Island, NY, Allied Additions LLC is the perfect choice for meeting critical deadlines while offering services of the highest quality. We are custom design home builders offering home construction solutions that add more space and value to our clients' properties. Whether you wish to have an additional bedroom built or have a one-of-a-kind room addition built according to your specific wishes, you can trust our company to deliver results that exceed your expectations and provide lasting value.

Our company specializes in the design and installation of sidings on Long Island, NY. As highly professional providers of siding services, we build solutions that shed water, protect walls, and resist even the worst weather with strength and durability. Energy efficient siding can help you save money by reducing the amount of energy that your heating and cooling systems need to use to keep your home at a comfortable temperature. Our design team also makes sure that your siding is aesthetically suited to fit the look of your home as well!

Allied Additions LLC is your first choice for home extensions. We say this because we can offer the best possible value for improving your home. We even have a 1 story extension special uniquely suited to homeowners that wish to have a single-story extension completed, with windows, for a special promotional price: only $43,000. This kind of opportunity for our customers deeply undercuts any of the offers our competitors can make, seating Allied Additions LLC comfortably as the leading provider of residential improvement services in our region.


Contact Us:

Contact Information

Allied Additions LLC
Baldwin, NY 11510

Hours of Operation

Mon - Fri: 9:00am - 5:00pm
Weekends: By Appointment Only

Licensed & Insured

Nassau County
Lic# H18H7320000