About 4L Construction

4L Construction is a fully insured residential contractor serving all ten towns of Suffolk County on Long Island and all five boroughs of New York City.

We handle kitchen and bath remodels, framing, drywall, home additions, and legal ADUs. Licensed Suffolk County HIC. Licensed NYC DOB contractor. More about our team and story is coming soon.

Check back here for updates, or book a free on-site walkthrough if you have a project in mind.

Contact Us

Free on-site walkthrough. No obligation.

Call us or send a message to book a layout consultation at your property. We look at your current space, discuss structural options, and check local zoning requirements.