Cedar siding installation typically costs $18-20 per square foot in the Long Island area, making it a premium investment compared to vinyl or fiber cement options. For an average 2,500 square foot home, expect to invest $45,000-50,000.This cost includes removal of existing siding, proper moisture barriers, insulation upgrades, and professional installation. The investment pays off through increased property value, energy savings, and decades of low-maintenance beauty.We provide detailed, transparent estimates that break down all costs upfront. Many Brentwood homeowners find the long-term value and energy savings make cedar siding a smart financial decision for their property.