New York Sash
Federal-style home with New York Sash sign on the lawn

Cooperstown's Choice for
Windows, Doors & Bathrooms.

Serving Cooperstown and The Leatherstocking Region.

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35+Years of Craftsmanship
15,000+Projects Completed
4.9★Customer Rating
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Our Expertise

Built for Homes
That Have a Story.

Cooperstown and the Leatherstocking Region's homes aren't just old — they're irreplaceable. New York Sash has spent 35+ years working on exactly these kinds of properties. We know what it takes to replace windows and doors in a way that honors the home rather than compromising it.

We Understand Your Home

Older homes weren't built to standard dimensions. We measure every opening individually, accounting for decades of settling, out-of-square frames, and original plaster reveals — then custom-make each window and door to fit perfectly.

Preserving Street-Side Character

The exterior appearance of your home is part of what defines Cooperstown and the Leatherstocking Region. Our profiles are selected to match the proportions and sight lines of original windows — so the character of the street stays intact.

Modern Performance, Original Look

You shouldn't have to choose between comfort and character. Our windows deliver ENERGY STAR® performance — LowE glass, Argon fill, and Duralite® Warm Edge Spacers — wrapped in profiles that look like they've always been there.

The Same Team, Start to Finish

The specialist who visits your home is part of the same in-house team that installs your windows. No handoffs to subcontractors, no surprises — just one accountable team that takes pride in every project they complete.

Federal-style home close-up showing original window detail

35+

Years of Experience

Every project starts with a dedicated in-home consultation. We visit your property, assess the existing windows and doors in context, and recommend replacements that respect what makes your home special — before a single measurement is taken.

Product Gallery

Crafted for
Lasting Integrity.

Every New York Sash product is custom-made, ENERGY STAR® certified, and backed by a lifetime warranty — delivering modern performance with timeless visual appeal.

Large window wall on a beautiful home replaced by New York Sash
Windows
01

Period-Correct Profiles

New York Sash windows are custom-made to your opening's exact measurements — never stock-sized. Our double-hung and casement profiles replicate the sash dimensions and rail widths of 19th-century originals, indistinguishable from the street.

  • Custom-made to your exact opening measurements
  • Double-hung, casement, bay & bow styles available
  • ENERGY STAR® certified for maximum efficiency
  • Lifetime transferable warranty on products & labor
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New York Sash simulated divided lite window detail
Glazing
02

Simulated Divided Lites

True divided lite character without the thermal penalty. New York Sash uses our Duralite® Warm Edge Spacer — a polycarbonate design with no metal — delivering the industry’s most energy-efficient spacer system alongside authentic muntin profiles.

  • Duralite® Warm Edge Spacer — no metal, maximum efficiency
  • LowE Argon gas-filled glass standard
  • Air infiltration as low as 0.04 CFM
  • ENERGY STAR® certified — exceeds all standards
Request Samples
New York Sash custom architectural finish and door detail
Finishes
03

Custom Architectural Finishes

New York Sash entry and patio doors are individually customized to your home's exact measurements. Choose from Signet, Embarq, or Heritage fiberglass lines — or Legacy Steel — with decorative glass, stain finishes, and multi-point locking systems built for Cooperstown and the Leatherstocking Region's winters.

  • Diamond Kote® factory finish — 30-year no-fade warranty
  • Signet, Embarq & Heritage fiberglass door lines
  • Legacy Steel construction available
  • Fully transferable lifetime warranty
Request Samples

Not sure which profile fits your home?

Our design specialists will analyze your home's architecture and recommend the exact match.

Get a Free Assessment
Client Voices

Trusted by Cooperstown & The Leatherstocking Region's Finest Homes.

“I would especially like to thank the person doing the scheduling who went above and beyond to make the schedule date work because of my unexpected knee and back issues. Whatever you are paying her, you need to pay her more! She was great!”
SE

Sandra Engel

Utica, NY · Verified New York Sash Customer

“New patio doors are beautiful and work so smoothly. Installation was quick and the installers were very respectful of our home. We’re very pleased with the results!”
JD

Jennifer Davis

Clinton, NY · Verified New York Sash Customer

“These windows feature LowE Argon gas-filled glass, multi-chambered insulated frames, and fusion-welded sashes — offering improved energy efficiency, noise reduction, and year-round comfort in the unpredictable Central New York climate.”
NY

Sauquoit Project

Sauquoit, NY · New York Sash Window Replacement

The Artisan Standard

Thirty Years of
Uncompromising Work.

New York Sash was built on a single principle: the craftsman who sells you the window should be the craftsman who installs it. That philosophy hasn't changed in 35 years — and it's why we carry a 4.9★ rating across 15,000+ completed projects.

New York Sash technician measuring a window opening

“We don't subcontract
our reputation.”

— New York Sash, Est. 1989

No Subcontractors. Ever.

In-House Certified Installers

Every New York Sash installer is a direct employee — factory-trained, licensed, and insured. We never use subcontractors, ensuring the same accountability and craftsmanship on every Cooperstown and Leatherstocking Region project that has built our 4.9★ reputation since 1989.

Serving Cooperstown & the Leatherstocking Region Since 1989

35+ Years of Mastery

New York Sash has been transforming Central New York homes since 1989 — over 15,000 projects and counting. Our institutional knowledge of local architecture, Otsego County's climate, and the unique demands of custom residential projects is unmatched in the region.

Never Stock-Sized

Custom-Made to Exact Specifications

Every New York Sash window and door is custom-made to your opening's exact measurements. Our field measurements account for decades of settling, out-of-square frames, and original plaster reveals — ensuring a perfect fit the first time.

Products & Labor. For Life.

Lifetime Transferable Warranty

New York Sash backs every project with a no-nonsense lifetime warranty covering both products and installation workmanship — fully transferable to future homeowners. Diamond Kote® finishes carry an additional 30-year no-fade guarantee.

Our History

1989Founded in Central New York
1995ENERGY STAR® partner certification
2005First Cooperstown-area legacy project
201510,000th project completed
202615,000+ homes transformed
Exterior of a beautiful home served by New York Sash
Our Process

From First Visit to
Final Installation.

01

Home Assessment

We visit your home and document existing window and door conditions, architectural style, and the character details that make it irreplaceable.

02

Design Specification

Our team prepares period-correct product specifications with profile drawings, material options, and finish recommendations.

03

Seamless Project Management

We handle every detail of the project from start to finish — with the same in-house team throughout. No subcontractors, no handoffs.

04

Artisan Installation

Our certified in-house team installs your windows and doors with the precision and care your home deserves.

Schedule Your
Free Consultation.

Meet with our design specialists at your home. No obligation. No pressure. Just expert guidance on preserving what makes your property irreplaceable.

(315) 624-7344Free Estimate Online
Free ConsultationNo ObligationServing CNY Since 1989