Cost to Build a Custom Home on Long Island (2026)
The cost to build a custom home on Long Island: our new homes start from $1.5M, typically $400-500 per square foot, all-in. See what moves your number.
Straight answers on building, renovating and reimagining Gold Coast homes, from the team behind 100+ custom projects.

The cost to build a custom home on Long Island: our new homes start from $1.5M, typically $400-500 per square foot, all-in. See what moves your number.

Knockdown-rebuild on Long Island's Gold Coast: when tearing down an older home and building new beats renovating, plus the process, costs, and what to check.

The essential questions to ask a custom home builder before you sign, from budgets and allowances to timeline, insurance, and permits, plus the red flags.

Is building a custom home worth it? An honest look at the costs, timeline, and trade-offs of building versus buying for a Gold Coast family in 2026.

How to choose a custom home builder on Long Island: what to look for, the questions to ask, the red flags, and why single-point accountability matters.