Garage Door Services in Rockingham & Strafford County, NH

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Proudly Serving Homeowners Across Southern New Hampshire

For over 35 years, Duplouy Enterprises LLC has proudly served homeowners throughout Rockingham and Strafford County, NH, delivering reliable, professional garage door sales, installation, and repair. Based in Dover, we’re a locally owned and operated business built on integrity, craftsmanship, and customer satisfaction.

Our goal is simple — to keep every garage door we service operating safely, smoothly, and efficiently. Whether you need a quick repair, a new door installation, or regular maintenance, our experienced team is ready to help.

We take pride in being the trusted garage door company near you, offering dependable service and honest pricing across southern New Hampshire communities.

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Areas We Serve

Areas We ServeOur service area covers both Rockingham County and Strafford County, ensuring local homeowners have access to professional, affordable garage door expertise when they need it most.

We regularly provide garage door services in:

Rockingham County, NH

Including but not limited to:

  • Portsmouth

  • Exeter

  • Hampton

  • Newmarket

  • Epping

  • Raymond

  • Seabrook

  • Brentwood

  • Greenland

Strafford County, NH

Including but not limited to:

  • Dover

  • Rochester

  • Somersworth

  • Durham

  • Barrington

  • Rollinsford

  • Farmington

  • Milton

  • Lee

Our Comprehensive Garage Door Services

Beige garage door with windows, next to a tan-colored building with a balcony and doorway.

Garage Door Sales

We offer a wide range of garage doors for sale in various styles and materials to complement your home’s architecture. Our team helps you choose a door that combines aesthetics, performance, and durability — all within your budget.

Garage door repair person in blue overalls working on a white door in a garage.

Garage Door Installation

Our professional installers deliver precise, reliable garage door installation throughout Rockingham and Strafford County. Each door is properly balanced, aligned, and tested to ensure long-term functionality and safety.

Person pulling a red emergency cord on a garage door opener system with a black spring.

Garage Door Repair and Maintenance

From broken springs to faulty openers, our team provides fast, affordable repairs backed by decades of experience. We also offer preventative maintenance plans to keep your system running smoothly and to extend its lifespan.

Man installing a screen on a garage door in a well-lit workshop.

Garage Screen Installation

Transform your garage into a livable space with our custom-fitted screen installations. These systems let you enjoy the breeze while keeping out insects and debris — ideal for entertaining, exercising, or relaxing in comfort.

Why Local Homeowners Choose Duplouy Enterprises LLC

For decades, homeowners across southern New Hampshire have relied on Duplouy Enterprises LLC because of our consistent quality, responsive service, and commitment to fair pricing. When you choose us, you’re working with a company that truly cares about the community it serves.

Here’s what makes us a top-rated garage door company:

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Local experience

We understand the unique needs of New England homes and weather conditions.

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Transparent pricing

Honest estimates with no hidden fees or upselling.

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Personal service

Available seven days a week from 7 AM to 7 PM for flexible scheduling.

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Experienced technicians

Trained, insured, and detail-oriented professionals.

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Proven reputation

Trusted by hundreds of homeowners across Rockingham and Strafford County since 1989.

Supporting Our Community Since 1989

As a long-established garage door company in Dover, NH, we take pride in supporting the communities that have supported us for more than three decades. Many of our customers come to us through referrals and repeat business — a reflection of the trust we’ve earned across generations of homeowners.

We approach every project with honesty, professionalism, and care, treating each property as if it were our own. That commitment to integrity is what continues to set Duplouy Enterprises LLC apart.

Frequently Asked Questions

  • How far do you travel for garage door service?

    We serve all of Rockingham and Strafford County, NH, and often extend slightly beyond for returning customers.

  • Do you charge extra for travel outside Dover?

    No. Our pricing remains fair and consistent throughout our service area.

  • How quickly can I schedule a repair or installation?

    We’re available seven days a week and strive to accommodate most requests within a few days, often sooner.

  • Do you handle both residential and commercial garage doors?

    Our focus is primarily residential, but we also service select light commercial applications.

Contact Duplouy Enterprises LLC Today

For reliable, professional garage door services in Rockingham and Strafford County, NH, trust Duplouy Enterprises LLC — your local experts since 1989.


From Dover to Portsmouth, Exeter, Rochester, and beyond, our team is dedicated to keeping your garage door safe, secure, and beautiful for years to come.