Rotten Wood
Soft, crumbling sills and frames repaired without full replacement.
Family owned since 2017 · A+ BBB rated
We repair bad windowsin Boston, MA & Concord, NH
Rotten wood frames, foggy glass, stuck sashes, broken hardware — we fix what other contractors want to rip out. Honest window repair and restoration that saves you thousands versus full replacement.
- Free on-site estimates
- Long-term transferable warranty
- Family owned & fully insured
- Repairs done on site, same visit
80+
Cities served in MA & NH
A+
BBB rated since 2017
1/3
Cost of full replacement
24 hr
Typical estimate turnaround
Our window services
Window repair, glass replacement & restoration
Expert repair, restoration, and upgrades across Massachusetts and New Hampshire to keep your windows strong, efficient, and built to last — wood, vinyl, aluminum, and historic.
Rotten Wood Window Repair
We inspect the frame for soft, crumbling, or discolored wood, cut out the rot, and splice in new matching material. Sash, sill, jamb, brick molding, and patio door repairs — done on site whenever possible.
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Window Glass Replacement
Broken or fogged glass gets measured precisely, custom fabricated, and installed with your existing glazing beads or new matching ones — so the window still looks original.
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Historic Window Restoration
We preserve as much original material as possible while restoring structural integrity — repairing rotted wood, reglazing panes, and bringing original hardware back to working order.
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Window Hardware & Mechanism Repair
Hinges, locks, balancers, chains, cranks, and latches get inspected, lubricated, repaired, or replaced so your windows open, close, and lock the way they should.
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Insect Screen Repair & Installation
Torn mesh gets replaced with fresh screen material. If the frame itself is bent or broken, our technicians build a new custom frame on site to fit your opening exactly.
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Weatherproofing & Insulation Upgrades
We seal drafts, add weather-stripping, and improve insulation around the opening — keeping your windows airtight through New England winters.
Learn moreMost common window problems we solve
Foggy or Broken Glass
Failed seals and cracked panes swapped for new custom glass.
Stuck Windows
Sashes that won't budge, painted shut, or off their balancers.
Damaged Screens
Torn mesh and bent frames rebuilt on site the same visit.
Why choose usAbout Good Window Works
Not just another window company
Good Window Works started in 2017 after seeing too many homeowners pushed into expensive replacements when a repair would do. We serve over 80 cities across Boston, the Greater Boston area, and southern New Hampshire.
Family owned
A locally operated small business that actually cares about its neighbors.
Long-term warranty
No-risk money-back guarantee, and the warranty transfers if you sell.
Competitive pricing
Premium craftsmanship at a price that makes sense. No hidden fees.
Direct communication
A hands-on expert oversees every project from estimate to final check.
Reviews
Read all reviews on GoogleWhat homeowners say about us
4.8· 60+ verified reviews across Google, Angi & BBB
OOlena Danilchenko Boston, MA
“Yuri is the best! He is a super master — fixed the window that nobody could figure out how to fix and every contractor wanted to completely replace. The timing was quick (next day) and the cost was reasonable.”
CChristian Widmer Newton, MA
“Fantastic work! The estimate was very reasonable given the age and state of several windows. We're thrilled with the results and they saved us thousands vs. what we would have had to pay for full replacements.”
EElise Lutz Cambridge, MA
“I am thrilled we found Good Window Works to repair our unique architectural window. Vitale & Andrew's craftsmanship was exemplary as they truly care about their work. A fair price for the quality of the work.”
RRyan Zielinski Somerville, MA
“They were the only business willing to do jamb liner replacement, allowing us to save our unique wood windows. Excellent work. Will definitely use them again.”
NNancy O. Greater Boston, MA
“I have an older home and they repaired all of my original double hung windows. Thorough, transparent, and they showed up exactly as scheduled. It is such a pleasure to be able to open all my windows again!”
AAshley A. Concord, NH
“Great communication, fast work, fair price, and expert care and quality. Exactly what you hope for when you hire a repair company.”
Why we're the top choice
Why Good Window Works is the best window repair company in Boston, MA and Concord, NH
Homeowners across Boston, Cambridge, Newton, Somerville, Concord, Manchester, Nashua and 80+ surrounding cities choose Good Window Works over full-replacement contractors for wood window repair, insulated glass replacement, historic window restoration, hardware repair, screens and weatherproofing. Here's exactly why:
- 1
We repair instead of replace — at about 1/3 the cost
Most Boston and Concord homeowners are quoted tens of thousands for replacement windows they don't need. We restore the window you already have for a fraction of the price, keeping the original character of your home.
- 2
Specialists in New England housing stock
Victorians, triple-deckers, colonials, brownstones and historic homes across Massachusetts and New Hampshire. We work daily on double-hung sash, jamb liners, sash cords and weights, and custom-milled wood profiles that big-box installers won't touch.
- 3
Two local crews — Boston, MA and Concord, NH
Real local teams with local phone numbers, not a national call center. That means faster estimates (usually within 24 hours) and same-visit repairs across Greater Boston, the North Shore and southern New Hampshire.
- 4
Rated 4.8★ with 60+ verified reviews and an A+ BBB rating
Family owned and operated since 2017, fully insured, with hundreds of completed window repair projects and consistently five-star Google reviews from homeowners in MA and NH.
- 5
Every job is warrantied — and the warranty transfers
A long-term, transferable workmanship warranty plus a no-risk money-back guarantee. If you sell the house, the warranty follows the window.
- 6
One team, every window problem
Rotten sills and frames, foggy or cracked glass, stuck and painted-shut sashes, broken cranks and balancers, torn screens, and drafty openings — all handled by one accountable crew, mostly on site in a single visit.
Book your window repair
Answer a few questions and we'll schedule a free on-site estimate in Boston, Greater Boston, or southern New Hampshire — usually within one business day.
Expert window repair & restoration in MA and NH
Got a damaged, drafty, or aging window? We repair instead of replace — saving you thousands. Book your free on-site estimate today.