Serving Greater Boston Since 2010 | Licensed & Insured(617) 857-COEN
Lexington · Metro West

Home Additions in Lexington, MA

Your house should change with you as your requirements shift. Why relocate if you can expand? Home additions Boston offers the perfect approach to get more space, improve utility, and increase the value of your home while maintaining the comfort of the neighborhood you love.

Metro West · Middlesex County

Home Additions for Lexington Homeowners

Coen Construction specializes in building and planning seamless home expansions that increase functionality and look. We customize every addition to fit the current style of your house, from basement finishing to new bedroom construction to kitchen expansion. Every improvement is made to fit well with careful design and professional building.

Our workmanship brings your vision to life with accuracy and care, from dormer extensions that increase curb appeal to open, welcoming family rooms ideal for entertaining. Home additions Boston are about more than generating additional room; they are about strengthening structure, increasing efficiency, and expanding your home's use.

Coen Construction stresses custom woodwork, structural upgrades, and energy-efficient solutions, including new windows and doors to increase utility and comfort. With years of experience in home additions Boston MA, we understand the challenges this area creates.

Lexington is where the American Revolution began — the site of the 'shot heard round the world' on April 19, 1775. Today it's an affluent town with exceptional schools and beautiful historic homes. Lexington's Colonial heritage demands meticulous attention to architectural detail. We design additions that look like they've always been part of your historic home.

What's Included

Bedroom additions & suites
Second-story additions
Sunrooms & four-season rooms
Family room expansions
Dormer additions
Kitchen expansions
Basement finishing
In-law suites
Permits & Zoning in Lexington

Every renovation in Lexington requires building permits from the town's Building Department. Coen Construction manages the entire permitting process so you never have to interact with the town office yourself.

  • Home additions, decks, and structural changes require a building permit — we prepare and submit all documentation.
  • Properties near conservation land or wetlands require Conservation Commission approval before construction.
  • Historic Districts Commission review applies to many Metro West towns — we have extensive experience with these processes.
  • Typical Metro West permit timelines: 2–4 weeks for standard renovations; 4–8 weeks for historic district review.

Home Additions in Lexington — FAQs

Does Coen Construction offer home additions in Lexington, MA?

Yes — Coen Construction has provided home additions for Lexington homeowners since 2010. We handle design, permits, and construction with our own trusted crew. Call (617) 857-COEN for a free estimate.

How much does home additions cost in Lexington?

Costs in Lexington depend on scope, materials, and site conditions. Use our free Instant Budget Estimator for a realistic local price range, or request a free in-home estimate for an exact quote.

Do I need a permit for home additions in Lexington?

Most home additions projects in Lexington require a building permit. Coen Construction manages the entire Metro West permitting process on your behalf — from application to final inspection.

How soon can you start a project in Lexington?

We respond to every Lexington inquiry within 1 business day and can usually schedule your free in-home walkthrough within the week. Project start dates depend on scope and permit timelines.

Free Home Additions Estimate

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Free In-Home Estimates in Lexington
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5-Star Reviews

What Our Customers Say

4.6(15)

"Our experience with Coen Construction for a bathroom ceiling restoration project was exceptional. Scott reviewed the project requirements and provided a detailed proposal. Completed promptly and professionally. We highly recommend Coen Construction!"

M
Mary H.
South Boston, MA

"My rear porch needed structural and cosmetic improvements. Scott provided a proposal outlining the scope of work. His crew showed up early. Whenever an issue arose, it was resolved without impacting the budget. They do quality work in a timely manner."

G
Glenroy G.
Medford, MA

"They are all pleasant and made the process easy for us. They are able to do all the work and I would highly recommend Coen Construction!"

R
Rose L.
Somerville, MA

"It was beautiful. They went far beyond what we expected. What they did was incredible — a huge project. They said they would do it and they did it. They were great."

J
Jeffrey R.
Chelsea, MA
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