Custom-built wood windows and doors designed for historic preservation and high-end residential projects.
Our state of the art machinery allows us to produce round, arch top, and bowed window units. Offering over twice as many standard sizes as our competitors, long with our customizing capabilities, provides nearly an unlimited number of sizes and light configurations.
Who we serve
Custom specs, design collaboration
Reliable manufacturing + scalability
Premium craftsmanship for homes
Featured Projects
Explore our work across historic restorations and custom-built homes—where craftsmanship meets architectural vision.
How it works
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Tell us about your vision, requirements, and architectural details.
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We collaborate with you to refine specifications and develop the right solution.
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Every product is crafted with precision in our New England facility.
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Delivered with care and supported through installation for a seamless experience.
Rooted in heritage and driven by precision, Boston Sash combines time-honored techniques with modern innovation to deliver products that stand the test of time.
Find a dealer near you!
From concept to completion, our team is here to support your project every step of the way.