Delaware's local garage door specialists
Garage doors done right. Fast repairs. Lasting installs.
Residential and commercial garage door installation, repair and maintenance across Delaware, South Jersey and Philadelphia, backed by 15+ years of local expertise.
15+
Years of Local Expertise
Trusted by homeowners and businesses across the Delaware Valley for over 15 years.
24/7
Emergency Service
Snapped spring or a door that won't close? We're often on site within the hour.
$ Match
Price-Match Guarantee
Show us a competitor's written quote and we'll match it. Fair pricing, no surprises.
100%
Industry-Leading Warranties
We stand behind every part and every install, with satisfaction guaranteed.
Our Services
Everything your garage door needs, under one roof
From brand-new installs to same-day spring repairs, our technicians handle residential and commercial doors of every make, done right the first time.
01
Garage Door Installation
Expert guidance on choosing the right door, followed by a precise, professional install that boosts your curb appeal, insulation and security.
02
Garage Door Repairs
Broken springs, snapped cables, failed openers, bent panels, misaligned sensors and worn seals. Prompt, reliable repairs that restore safety and smooth operation.
03
Maintenance & Safety Tune-Ups
Thorough inspections, lubrication of moving parts and hardware safety checks that catch problems early and keep your door and opener running for years.
15+
Years serving the Delaware Valley
About Diamond State Door
You're our priority, not just a number
For more than 15 years, Diamond State Door has kept homes and businesses across the Delaware Valley moving. We believe everyone deserves a door that shines, so we treat every job like it's our own home: honest advice, quality parts and craftsmanship you can see.
✓ Residential & commercial garage doors
✓ Spring replacement & on-site repairs
✓ Openers, keypads & remote monitoring
✓ Hollow metal, storefront & automated doors
Who we serve
Homeowners, property managers, condo associations and commercial facilities, with preventative maintenance plans for businesses.
Discounts for seniors, law enforcement & state employees
Why Choose Us
Why our customers keep calling us back
Don't just take our word for it. These are the things our customers mention again and again in their reviews.
Fast response
Customers regularly see us within 1–2 hours, even on a Sunday.
Upfront, honest pricing
The price we quote is the price you pay. No hidden fees.
No weekend surcharges
Weekend work at the same fair rate, and we show up when we say we will.
Work we stand behind
Knowledgeable, friendly technicians and industry-leading warranties.
1 Hour
Typical emergency response time across our service area
How It Works
New doors in four simple steps
01
Contact Us
Give us a call on 302-743-4667 or use our online quote form. Tell us what you need.
02
Get a Free Quote
One of our team assesses your door and gives you a clear, upfront price with no hidden fees.
03
Organize Your Installation Day
We book a time that suits you, weekends included, and arrive when we say we will.
04
Enjoy Peace of Mind
Feel safe and comfortable with your new doors, backed by our industry-leading warranty.
Our Latest Work
Recent projects across the Delaware Valley
Swipe to see more →
Residential · Installation
Double Raised-Panel Doors
Residential · Installation
Modern Black Glass-Panel Door
Commercial · Overhead Doors
Commercial Overhead Doors
Residential · Installation
Garage Door With Window Lites
Installation · Tune-Up
Full-View Door Install
Residential · Replacement
Classic White Replacement
Commercial · Replacement
Insulated Commercial Door
FAQs
Questions? We've got answers
Here are the questions we hear most often. Can't find what you're looking for? Just give us a call.
What areas do you serve?
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What areas do you serve?
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We serve Delaware, including Wilmington, Newport, Bear and Lewes, plus South Jersey and the Philadelphia area, for both residential and commercial customers.
Do you offer emergency garage door repair?
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Do you offer emergency garage door repair?
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Yes. We offer 24-hour emergency service. For snapped springs, doors that won't close and other urgent problems, we're often on site within an hour or two.
Do you charge extra for weekend work?
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Do you charge extra for weekend work?
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No. Weekend appointments are charged at the same fair rate as weekdays.
How quickly will I get a quote?
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How quickly will I get a quote?
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Call us for a fast answer, or submit our online form and we'll get back to you with a free quote within 48 hours.
Do you price match?
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Do you price match?
+
Yes. Show us a written quote from a competitor and we'll match it, with the same quality workmanship and warranty.
Do you work on commercial and hollow metal doors?
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Do you work on commercial and hollow metal doors?
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Absolutely. We install and repair commercial overhead doors, hollow metal doors, storefronts and automated swinging and sliding doors, and offer preventative maintenance plans for businesses.
Do you offer any discounts?
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Do you offer any discounts?
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Yes. We offer discounts for seniors, law enforcement and state employees. Just mention it when you call.
Testimonials
What our neighbors are saying
“
Chuck is highly knowledgeable, incredibly friendly, and provides tremendous customer service. It is difficult to find a repair person who possesses just one of these traits.
TB
Tanner B.
Bear, DE
“
These guys are TRULY awesome. It was as easy as 1-2-3. Called them up, was here in 1 hour, and garage was fixed in 15 minutes.
CL
Connie L.
Swedesboro, NJ
“
I heard a loud crash in my garage and discovered the spring snapped in half. Within 1 hour, he was at my house.
TS
Tim S.
Lewes, DE
“
Company came out within 2 days of calling them. Told me upfront the costs involved and these did not change.
JE
Jordan E.
Philadelphia, PA
“
Doesn't charge extra for weekend work and showed up when he said he would. What more can you ask!
TT
Tom T.
Carney's Point, NJ
“
Our commercial garage door would not shut. Chuck came by and looked at it that afternoon and came back Saturday to replace the cable.
CN
Corey N.
Newport, DE
Request a Quote
Get your free, no-obligation quote
Whether it's a repair, a new installation or ongoing maintenance, tell us what you need and we'll come back to you with a clear, upfront price.
Prefer to talk? Call us now
302-743-4667
✓ Free quotes within 48 hours
✓ 24-hour emergency service
✓ Residential & commercial
Areas we serve
Wilmington
Newport
Bear
Lewes
All of Delaware
South Jersey
Philadelphia
Tell us about your project
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