The 30-second answer
Concrete is cheaper upfront ($15–$25/sqft installed) and faster to install. Pavers cost roughly 2× ($30–$45/sqft installed) but last 2–3× longer in Long Island's freeze-thaw climate, and individual damaged pavers can be replaced without re-pouring a full slab.
If you'll own the property for 5+ years and care about long-term cost-per-year, pavers usually win. If you're selling within 2 years and just need to clear a violation, concrete is fine.
Lifespan comparison
A properly installed Long Island concrete sidewalk lasts 10–15 years before significant repair. A generic ready-mix concrete sidewalk poured without air-entrainment lasts 5–8 years.
A properly installed paver walkway lasts 25–35 years before needing significant work. Individual paver replacement (a single cracked or chipped unit) is a 15-minute job that doesn't require pouring new concrete or scheduling cure time.
Why Long Island freeze-thaw favors pavers
Concrete is a monolithic slab. When the ground heaves, the slab cracks. When water enters that crack, freeze-thaw widens it. The damage compounds.
Pavers are individual units. When the ground heaves, each paver lifts independently. When the ground settles in spring, each paver settles back. There's no monolithic slab to crack because there's no monolithic slab.
Where concrete still makes sense
Commercial properties with strict ADA slope tolerances. Long, continuous runs where labor cost dominates. Short-hold rental properties where upfront cost is the deciding factor. Properties facing immediate violation deadlines where the village permit office is faster on a concrete permit than a paver permit (this is rare but happens).
Our recommendation
For most Long Island residential properties owned long-term: pavers. Specifically Nicolock (manufactured in Lindenhurst, NY) or Cambridge — both engineered for our climate. We'll quote both options side-by-side so you can decide based on your timeline and budget.