Our Story

Your Design our our designers. All of our work is unique and custom to fit your life style, family and your home. We solve problems and provide custom solutions to any of your home repair needs, from the ground up.

What We Do

Building Construction

Renovations to full builds.

Building Repairs

25+ years of experience.


Almost everyone approved
$5,000 to $654,000
No points
No application fee
No closing costs
Funds available in 24 Hours


Looking for Home Improvement Contractors in Suffolk County NY that are highly rated. We have high customer satisfaction, we are on Angie’s List, HomeAdvisor, and a featured listing on This Old House and Better Homes and Gardens.

Your welcome you to see our outstanding, superior quality work, give us a call to setup an appointment for a free estimate. 911 Alexander Construction can solve any of your home repair problems.

911 Alexander Construction is a fully licensed and insured Home Improvement contractor in Suffolk County NY that you can trust to get the job done on-time and within budget. Alexander Rubinstein, the owner and has been in the real estate, construction, and finance business for over 25 years on Long Island.

Alexander has been flipping homes throughout the North East Region, and has had created such desirable and highly marketable homes that he has been requested to custom build homes by many of his past home buyers their families, friends and spectators of his work. For 2020, Alexander Rubinstein has finally given the public what they have requested; custom homes and renovations designed by Alexander Rubinstein. You can use your own designer or sit with Alexander Rubinstein to create your own unique custom dream home. Alexander and his team of skilled carpenters have over 25 years’ of experience in Suffolk county NY which means we have done similar Jobs and know how to plan and execute from one room to a whole house renovation.


If you are a New Home owner who needs a Home improvement contractor in Suffolk NY we can meet before you close on your new home, book your project, and start the day after closing. From custom wood flooring to kitchen and bathrooms and everything in-between; Classic Moldings & Home Improvements, we are able to handle everything. One call does it all!


                                                     Custom Design & Framing                                                             Custom Hand Crafted Cabinetry
                                                     Custom Design Trim Work                                                             Custom Design Moldings
                                                     Custom Design Closets                                                                   Custom Kitchen
                                                     Custom Bathroom                                                                           Custom Built in Bar / Wet Bar
                                                     Custom Designed Built in Furniture                                             Custom Furniture
                                                     Custom Finished Basement                                                           Egress for Basements
                                                     Finished Basements                                                                        Basement Apartments
                                                     Mother Daughter Conversions                                                      Accessory Apartments
                                                     Senior, Elder Care Home Conversions                                         Handicap Accessibility
                                                     Roofs                                                                                                  Vinyl Siding                                              
                                                    Custom Decks (PVC, Stone, Mahogany, Wood, Cement)           Wood Siding
Grand Foyers  Grand Entrance-way (Interior, Exterior)             Stone Siding 
                                                    Grand Entrance-way (Interior, Exterior)                                       Insulation
                                                    Drywall                                                                                               Doors
|                                                  Custom Hand Crafted Doors                                                         Custom Game
                                                    Wood Flooring and Tile                                                                   Custom Finish Carpentry
                                                    Driveways (Stone, Brick, Asphalt, Pavers)                                    Stone Walls
                                                    Interior & Exterior Painting                                                            Fireplaces (Wood, Gas, Stone, Brick)
                                                    Counter tops (Granite, Marble, Soap Stone, Quartz, Wood, Ceramic, porcelain, Resin)

Only the Best


Fast and Easy Financing

Use your own money if you have it, or if you need financing, our in-house solution is fast and easy and nearly everyone is approved!


The Newest Technology

Let our designers lay out your project for you!


High Quality Construction Management

Our crews show up on time, they are kind and professional, and they keep a clean job-site.

Years Experience

Completed Projects

Field Workers

Office Staff

“We value ‘relationships’ over transactions, and that has been the story of our success.”

Alexander Rubinstein
911 Alexander CONSTRUCTION

Contact Us

Main Office:

350 Vanderbilt Parkway, Suite 300, Hauppauge, NY 11788

Satellite Office:

5 Gates Road Etna, NH 03750


Toll Free: 1-844-Alex-911


Let’s Build Something Great together