Home Addition Cost Guide (Westchester & NYC)

May 6, 2026

Share this article

Home Addition Cost Guide (Westchester & NYC)

Cost Range

  • Small addition: $80K–$150K 
  • Mid-size: $150K–$300K 
  • Large: $300K–$600K+ 

Factors

  • Foundation 
  • Structural changes 
  • Permits 
  • HVAC

Explore our Home Additions service page.

Recent Posts

May 6, 2026
Tenant Improvement Cost Breakdown
May 6, 2026
Commercial Build-Out Cost in NYC
May 6, 2026
Outdoor Kitchen Cost Guide (NYC & Westchester)
May 6, 2026
Deck vs Patio: Which is Better in NY?
May 6, 2026
How Long Does a Home Renovation Take?
May 6, 2026
Design-Build vs General Contractor (Which is Better?)
May 6, 2026
Basement Finishing Cost in Westchester NY
May 6, 2026
Bathroom Renovation Cost in NYC
May 6, 2026
Kitchen Remodeling Cost in Westchester NY (2026 Guide)