GC Builders Blog

At GC Builders, we believe in radical transparency. In this guide, we are pulling back the curtain on the real 2026 construction costs for the MetroWest luxury market. We will move beyond the guesswork and give you actionable data on what it actually costs to build, renovate, and restore homes in Wellesley today.

Building a new luxury home or undertaking a major remodel in Boston means navigating the world of permitting & zoning in Boston, MA, from day one. Whether you’re looking to build a custom residence, tackle a whole home remodel vs partial renovations, or add an accessory dwelling unit, understanding how zoning codes and permit processes work is key to staying on time, on budget, and compliant. 

For many discerning homeowners in Greater Boston, a home isn’t merely an address—it’s a long-term asset, a canvas for family life, and a reflection of taste. When that home needs to evolve, two paths emerge: commit to a comprehensive transformation or focus on targeted upgrades. 

For homeowners in Greater Boston, the conversation around building high-performance homes has shifted dramatically in the past decade. What was once considered a niche interest reserved for eco-enthusiasts is now front and center in the luxury housing market.