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Home Additions & Remodeling in Northborough & MetroWest, MA

Need more room or a whole-home refresh? From additions and second stories to full renovations — foundation to final finish, one trusted team.

Get a Free Estimate →📞 (508) 691-8113

✓ Licensed & insured · HIC #196540✓ Owner-led✓ Free estimates

Free Additions & Remodeling estimate

Tell us about your project — we reply within 1 business day.

Professional additions & remodeling

Quality additions & remodeling you can count on

When you love your neighborhood but need more space — or you want your whole home to feel new again — Waterfront Construction builds additions and full remodels that fit your life. From a sunroom or second story to an open-concept renovation, we design and build it to blend seamlessly with your home.

As a design-build team we manage everything from foundation and framing to the final finish, coordinating every trade so you have a single point of contact and zero finger-pointing — on time, on budget, and matched to your existing home.

What's included

✓Room & second-story additions
✓In-law suites & sunrooms
✓Whole-home renovations
✓Basement finishing
✓Foundation to final finish
✓Design-build process

Our work

Recent additions & remodeling projects

A look at the quality and craftsmanship we bring to every job.

🔍 Click any photo to view it larger

Why homeowners choose us

The Waterfront difference

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Owner-led

Ernando is on every job — accountable from start to finish.

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Licensed & insured

MA Home Improvement Contractor (HIC #196540) and insured — your home is protected.

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On time, on budget

A clear schedule and honest, itemized pricing.

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Built to last

Quality materials and a finish we're proud to sign.

How your project works

Free estimate

We visit, listen, and give you a clear, honest quote.

Plan & materials

We lock scope, materials, timeline and permits.

We build

Clean, on-schedule work with one point of contact.

Walkthrough

We don't finish until you're 100% happy.

Good to know

Additions & Remodeling FAQs

Have a different question? We're happy to help.

📞 Call (508) 691-8113

How long does a home addition or full remodel take?+

Larger projects typically run 2–4 months depending on size and complexity. We provide a detailed schedule and keep you informed at every stage.

Do you handle design and permits?+

Yes. We're a design-build contractor, so we handle design, engineering, permits, and construction — a single point of contact for the whole project.

Will the new space match my existing home?+

That's our specialty. We match rooflines, siding, windows, and interior finishes so additions look original and remodels feel cohesive.

Is Waterfront Construction licensed and insured?+

Yes. Waterfront Construction is a Registered Massachusetts Home Improvement Contractor (HIC #196540) and fully insured, so your home and your additions & remodeling project are protected from start to finish.

Do you offer free estimates for additions & remodeling?+

Always. Estimates are free and no-obligation. Call (508) 691-8113 or request one online and we'll respond within one business day.

How much does additions & remodeling cost in Massachusetts?+

Cost depends on the size, materials and scope of your project. After a quick visit we provide a detailed, itemized estimate with honest options for every budget — no surprises or pressure.

What towns do you serve?+

We're based in Northborough, MA and serve 150+ towns across Greater Boston, MetroWest, the North Shore, and Southern New Hampshire — including Marlborough, Westborough, Shrewsbury, Worcester, Framingham, Natick and Hudson.

Do you stand behind your work?+

We do. We don't consider a additions & remodeling job finished until you're completely satisfied, and we're available if anything needs attention after the project is complete.

Ready for your additions & remodeling project?

Get a free, no-obligation estimate today. We reply within one business day.

Get a Free Estimate 📞 (508) 691-8113

Areas we serve

Additions & Remodeling across Greater Boston, MetroWest, the North Shore & Southern NH

Based in Northborough, we serve 150+towns across the region. These are the local pages we publish — don't see yours? Just ask, we almost certainly cover it.

Northborough, MA Marlborough, MA Westborough, MA Shrewsbury, MA Worcester, MA Southborough, MA Hopkinton, MA Framingham, MA Natick, MA Hudson, MA Grafton, MA Holden, MA Boylston, MA West Boylston, MA Berlin, MA Bolton, MA Clinton, MA Sterling, MA Northbridge, MA Upton, MA Hopedale, MA Milford, MA Ashland, MA Sudbury, MA Wayland, MA Auburn, MA Millbury, MA Leicester, MA Paxton, MA Stow, MA Maynard, MA Acton, MA Concord, MA Sherborn, MA Holliston, MA Medway, MA Bellingham, MA Mendon, MA Uxbridge, MA Sutton, MA Oxford, MA Charlton, MA Spencer, MA Rutland, MA Princeton, MA Lancaster, MA Harvard, MA Littleton, MA Boxborough, MA Lunenburg, MA Leominster, MA Fitchburg, MA Westminster, MA Hubbardston, MA Barre, MA Oakham, MA Brookfield, MA East Brookfield, MA West Brookfield, MA North Brookfield, MA Warren, MA Ware, MA Sturbridge, MA Southbridge, MA Dudley, MA Webster, MA Douglas, MA Blackstone, MA Millville, MA Franklin, MA Norfolk, MA Wrentham, MA Walpole, MA Medfield, MA Dover, MA Wellesley, MA Weston, MA Lincoln, MA Carlisle, MA Westford, MA Chelmsford, MA Billerica, MA Bedford, MA Burlington, MA Waltham, MA Watertown, MA Newton, MA Needham, MA Dedham, MA Westwood, MA Whitinsville, MA Cherry Valley, MA Jefferson, MA Rochdale, MA Fiskdale, MA Baldwinville, MA Templeton, MA Phillipston, MA Devens, MA Still River, MA Boston, MA Cambridge, MA Somerville, MA Brookline, MA Arlington, MA Belmont, MA Medford, MA Malden, MA Melrose, MA Everett, MA Chelsea, MA Revere, MA Winthrop, MA Quincy, MA Milton, MA Braintree, MA Weymouth, MA Canton, MA Randolph, MA Stoughton, MA Sharon, MA Norwood, MA Lexington, MA Woburn, MA Winchester, MA Stoneham, MA Reading, MA Wakefield, MA Wilmington, MA North Reading, MA Tewksbury, MA Lynn, MA Lynnfield, MA Peabody, MA Salem, MA Beverly, MA Danvers, MA Marblehead, MA Swampscott, MA Saugus, MA Middleton, MA Topsfield, MA Hamilton, MA Wenham, MA Ipswich, MA Nahant, MA Andover, MA North Andover, MA Haverhill, MA Methuen, MA Lawrence, MA Georgetown, MA Boxford, MA Mansfield, MA Foxborough, MA Norton, MA Easton, MA Attleboro, MA North Attleborough, MA Plainville, MA Millis, MA Avon, MA Holbrook, MA Abington, MA Rockland, MA Brockton, MA Raynham, MA Taunton, MA Bridgewater, MA Hanover, MA Norwell, MA Marshfield, MA Salem, NH Nashua, NH Hudson, NH Pelham, NH Windham, NH Derry, NH Londonderry, NH Hampstead, NH Atkinson, NH Plaistow, NH Kingston, NH Danville, NH Sandown, NH Chester, NH Merrimack, NH Amherst, NH Hollis, NH Litchfield, NH Manchester, NH Bedford, NH Hooksett, NH

Helpful guides

Additions & Remodeling guides & cost info

Free, no-hype advice from a licensed local contractor.

Hiring Guide

How to Choose a Contractor in Massachusetts (HIC Rules)

Project Guide

Home Addition Cost in Massachusetts (2026 Ranges)

Planning

Do You Need a Permit to Remodel in Massachusetts? (780 CMR)