Addition Cost Per Square Foot Massachusetts

Construction costs per square foot for home additions in Eastern Massachusetts depend on the level of customizations and materials used: Basic Finish: $150-$250/sq. ft. The cost typically starts at around $230 per square foot and can increase depending on several factors.

For example, a 400-square-foot addition might cost between $92,000 and $180,000. The cost to build a house in Massachusetts varies widely depending on location, home design, materials, and labor costs. Below is an estimate of construction costs per square foot in different parts of the state.

While the design for a living room addition is a bit more flexible, you will pay the standard $80 to $200 per square foot depending on your needs. On average, the full addition will cost $17,000. Everything you need to know about home additions costs and prices in Massachusetts.

Current Home Addition Costs in Massachusetts As of 2024, most home additions in Massachusetts are priced between $350 and $450 per square foot, with costs depending on the specific requirements of the project. For a 2,000-square-foot home in Massachusetts, with a final build cost of $700,000, that would amount to $35,000 to $140,000. Some architects will charge by the hour or per square foot of the build for their services, but this is less common.

Every home is different, and so is every addition project. The cost of a home addition in Massachusetts can depend on a variety of factors, including: Type of Addition - Adding a sunroom versus a second story involves different levels of complexity. Square Footage - Naturally, the larger the space, the more materials and labor are required.

Home Addition Cost in Boston, Massachusetts (2026) Home addition cost in Boston, Massachusetts ranges from $163 to $325 per square foot. Standard grade construction is represented by the lower end of this range and premium grade construction is represented by the upper end of this range. Total Cost Range for a Home Addition On average, home additions in Massachusetts cost $150 to $400 per square foot, depending on materials, complexity, and size.