New Construction · Nassau County, NY
Whether you're building on a vacant lot or taking down a tired house to replace it, we build custom homes that fit how you actually want to live — designed and constructed by one accountable team.

Premier New Construction
On the South Shore, replacing an outdated or storm-damaged house with a brand-new home is often smarter than endlessly renovating it. We manage the whole journey — design, demolition, permits, and construction — so a complex project feels organized and clear.
For waterfront and flood-zone lots near the canals and bay, we build to current FEMA elevation and code requirements, protecting your investment and keeping insurance in check.
Start Your Project →How We Work
A seamless experience from first sketch to the final reveal.
We meet in your home, listen to how you live, and take detailed measurements of the existing space.
You see your project in realistic 3D and refine the layout, finishes and materials with our designer.
We guide every material selection and handle the permits and documentation the town requires.
Our own craftsmen execute the work cleanly, on schedule, protecting your home throughout.

What We Handle
Recent Work
A selection of recent Illustrious Renovations projects across Long Island.






Kind Words
"They took our dated space down to the studs and gave us something out of a magazine. Clean, on time, and genuinely cared about the details."
"From the 3D design to the final walk-through, everything was exactly as promised. It made a full renovation feel completely manageable."
"Craftsmanship you can feel. Flawless work, done on the schedule they gave us up front. We've already recommended them to neighbors."
Let's Begin
Book a free in-home consultation and see your project in 3D — no pressure, no obligation.
Good to Know
Yes — replacing an old or flood-damaged house with a new one is one of our specialties on the South Shore. We manage demolition through move-in.
Yes. We build to current FEMA and town elevation requirements for waterfront and flood-zone lots near the bay and canals.
Most ground-up homes take roughly nine to fourteen months from permit to completion, depending on size and approvals.
We're design-build — architectural design, engineering and the full permit and variance process are handled in-house.