Delaware Window Supply

Delaware Window Supply Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Delaware Window Supply, Retail Company, 116 Haines Street, Newark, DE.

Located in Newark, Delaware Window Supply is a full-service window supply company experienced in working with building contractors and homeowners throughout the Maryland/Delaware/Pennsylvania tri-state area to provide many custom vinyl window options. Our professional service and fast turn-around put us above the rest when it comes to delivering quality replacement windows that keep your project on time and within budget. Delaware Window Supply serves contractors and homeowners in the following areas:

New Castle County, Delaware (including Newark, Wilmington, and surrounding areas)
Kent County, Delaware
Cecil County, Maryland
Southern Chester County, Pennsylvania
Delaware County, Pennsylvania
Southern New Jersey

Good Morning! We are running a Flash Sale on our inventory of clearance windows, see attached. Don't worry if you can't ...
09/30/2026

Good Morning!

We are running a Flash Sale on our inventory of clearance windows, see attached.
Don't worry if you can't find the perfect fit in our current clearance stock, we have you covered!
We guarantee the lowest prices in the area by far, combined with a fast 1–2 week turnaround time on what you need this Fall!

09/08/2026

Happy Fall!

The cooler weather is here, and we’re kicking off the season with some great news for our customers.

Long-sleeve T-shirts have arrived! Stop by and grab one the next time you’re picking up your order.

Also, lead times are back to an average of just 2 weeks on most double hung and 2-part slider products.

Fast turnaround means getting your windows to the job site sooner and keeping your projects moving.

Our pricing remains the lowest in the area. If you find a lower price, we will beat it!

Thank you for continuing to trust us with your window needs, we are ready to help you save money and keep your jobs on schedule.

03/09/2026

Spring has arrived at last! Well, it should be coming soon, LOL…..anyways

The winter season has been challenging for all of us, but the silver lining is the pent-up demand from customers eager to replace their windows this Spring. Now is the perfect time to boost your sales!

We haven't increased our prices in nearly two years and continue to be the most affordable supplier in the region, with the fastest turnaround times.
There are talks of a second-quarter price increase, so this could be a great opportunity to motivate your customers who are currently considering new windows.
Keep in mind, due to industry wide increases in glass and vinyl cost many manufacturers have had multiple price hikes.
Our prices have remained the same, making us still the best value around by far!

And don’t forget, spring T-shirts are now in stock! Stop by when you come to pick up your next order.

Let’s make this spring a successful season!

01/20/2026

You may not have heard of us, but we have been selling windows in Delaware since 2008.
We sell double hung windows as low as $209 for example and have an average lead time of 2-3 weeks for custom sized windows.
Why waste your time with the big box stores and stock sizes that need extra time to make them work, when we can get you windows $40 - $80 cheaper in most cases?

Give us a call or email to quote your next project. You won’t be disappointed.

Happy New Year

Happy Thanksgiving from Delaware window Supply. We are thankful for our loyal customer base and we hope you all enjoy th...
11/25/2025

Happy Thanksgiving from Delaware window Supply.
We are thankful for our loyal customer base and we hope you all enjoy the time with your family this holiday.

No tricks, just treats!Haunted house in need of a makeover? Get our flip home special - $205 per double hung up to 101 ...
10/29/2025

No tricks, just treats!

Haunted house in need of a makeover?
Get our flip home special - $205 per double hung up to 101 united inches. (clear glass packages only)
Fade into the night with all black exterior product 5% off!
Get these windows before the holiday season with our fastest lead times in the region.
*Offer valid until 11/21/2025

🎃👻🧛🏼🦇
Happy Halloween

Fall is on the way! With colder weather on the horizon and increased cost of heating your homes, now may be the time for...
09/09/2025

Fall is on the way!
With colder weather on the horizon and increased cost of heating your homes, now may be the time for your and your customers to consider window replacements.

07/14/2025

Hi everyone!

We are running a summer special on our 200 series double hung window - $234 with Low-E.
Send us a message or call!

05/22/2025

Hi everyone,

We've had a great spring and are looking forward to the holiday break.
We will be closing at 12pm on Friday May 23rd and will re-open Tuesday May 27th.
If you are in need of our services please email us anytime and we will help as soon as we can.

04/08/2025

Our team has established a strong network of contractors and home investors since 2008, built on excellent lead times and customer service. We look forward to working with you on your next project.

Address

116 Haines Street
Newark, DE
19711

Opening Hours

Monday 7am - 3:30pm
Tuesday 7am - 3:30pm
Wednesday 7am - 3:30pm
Thursday 7am - 3:30pm
Friday 7am - 3:30pm

Telephone

+13027093160

Website

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