Second-story additions, dormers & home additions in Lexington, MA. Expand your cape, ranch or colonial with a 40-year design-build contractor. Free estimates.

Additions, second-story build-ups & shed dormers in Somerville, MA. Maximize space on a tight city lot with a 40-year design-build contractor. Free estimates.

Home additions, second-story additions & dormers in Medford, MA — from a Medford-based design-build contractor with 40+ years' experience. Free estimates.

Home additions, primary suites, second stories & dormers in Newton, MA. High-quality design-build remodeling from a 40-year MA contractor. Free estimates.

Home additions, second-story additions & dormers in Needham, MA. Expand instead of moving with a 40-year design-build contractor. Free estimates.

Addition vs. second story — which should you build? Compare cost, space, yard impact, and disruption to decide. A Massachusetts design-build builder breaks it down.

Can you stay in your house during a home addition or second-story project? Usually yes — here's what to expect with dust, noise, utilities, and timing in MA.

Which project adds the most value — an addition, a second story, or a dormer? See how each affects resale and livability, from a 40-year Massachusetts builder.

How much does a home addition cost in MA? Most run $150–$400 per sq. ft., with totals from $50,000 to $250,000+. See 2026 costs for kitchen, bedroom & in-law additions.

How much does a second-story addition cost in MA? Typically $300–$700+ per sq. ft., or $120,000–$350,000+ for a full second floor. 2026 pricing from a 40-year MA builder.

Do you need a permit for a home addition in Massachusetts? Yes. Learn the permit process, how long an addition takes, and what to expect — from a 40-year MA builder.

How much does a dormer cost? Most run $10,000–$40,000, while full-width shed dormers run $50,000–$150,000. Compare shed, gable, hip & more for your home.

Kneeland Construction recently completed a stunning kitchen addition in Melrose, Massachusetts — a perfect blend of traditional charm and modern functionality. This project transformed an older home into a bright, open gathering space that truly serves as the heart of the home. Expanding for Everyday Living The homeowners wanted a kitchen that could handle family life and entertaining without losing the warmth of their classic New England home. Kneeland’s design team created

Wakefield, MA Living Room Addition At Kneeland Construction, we pride ourselves on turning our clients' visions into reality, and this...

Completed in 2023 this bathroom remodel in Hopkinton, MA has everything: multiple shower heads, floor to ceiling tile, a soaking tub, and...