Cost Reality: Late-2025 data puts "upper mid-tier" gut renovations at $550–$650/sq. ft. ; luxury hits $1,000+ . Urgent Deadline: Intro 1490 (Energy Code) & Local Law 97 reporting extensions hit Dec 31, 2025 . File now to lock in old code. Labor Update: The Construction Justice Act (Intro 0910) passed Dec 20, 2025, raising wage standards for city-assisted projects, which will squeeze private contractor availability and drive up market rates. Top Neighborhoods: High permi

Renovating a Brooklyn brownstone in 2026 typically runs $450–$750 per square foot for major work, plus soft costs. New Existing Building Code rules and stricter DOB shed permits mean tighter inspections, more documentation and faster sidewalk shed deadlines, so owners need better planning, permits and phasing to keep projects on schedule.