Brand Certified
Window World of Southern Maryland
5.0(301 reviews)
Certified by Window World of Southern Maryland • May 17, 2026
Business Details
12370 Waldorf Business Square, Waldorf, MD
20601, United States
Certified by Window World of Southern Maryland • May 17, 2026
(301) 663-4451
Certified by Window World of Southern Maryland • May 17, 2026
https://www.windowworlddc.com/
Certified by Window World of Southern Maryland • May 17, 2026
About
Certified by Window World of Southern Maryland • May 17, 2026
Window Installation ServiceDoor SupplierSiding ContractorHome Improvement StoreWindow SupplierRoofing Contractor
Experience Window World's unrivaled ENERGY STAR replacement windows, doors, vinyl siding, and more. Contact us to schedule your free in-home or virtual quote today!
Location
Certified by Window World of Southern Maryland • May 17, 2026
Window World of Southern Maryland
12370 Waldorf Business Square, Waldorf, MD
20601, United States
Hours
Certified by Window World of Southern Maryland • May 17, 2026
Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
SaturdayClosed
SundayClosed
Reviews
5.0
301 reviews
5 stars
294
4 stars4
3 stars2
2 stars0
1 star1
- LClinda chesleyMay 13, 20265.0My experience with Frank was awesome! Frank was very friendly, efficient and timely. He took great care of me by replacing some windows in my home!
- DWDalton WrightMay 11, 20265.0Josue Alas and his crew were exceptional and professional! Also did a wonderful job installing my windows! 10/10 recommend.
- NYNevaeh YoungMay 8, 20265.0My name is Yvonne walston, and I felt that the Josue Alas from window World did a very good job. Good customer service, he's a good team player, did a very good job.
- PBPAUL BURNSMay 7, 20265.0Josue Alas and his crew did an outstanding job and completed the installation just as promised. He and his team walked me through every step of the install and provided me with an excellent demonstration of my new windows and doors. Good team very professional and definitely would recommend to my friends and family!
- DKDeborah KingMay 5, 20265.0The beginning, all of the men was on time. Great personality. The work was impeccable. They were courteous. I enjoy working and watching this wonderful group of talented men. They did a great job . Made my house beautiful. Thank you Window World. and especially Josue Alas.
Frequently Asked Questions About Window World of Southern Maryland
What types of payment methods and financing do you offer?
We offer a variety of payment methods and financing options depending on promotional period. Please contact us for more information regarding available options.
Will the replacement windows be installed from the inside or outside?
The majority of our replacement windows are installed from the outside. In some situations it may be necessary to install from the inside. On the day of installation, your installation expert will assess your unique situation and explain the process that will best suit your home.
Do you install replacement windows year-round? If so, will I lose a lot of heat/cooling at the time of installation?
Window World installs replacement windows year-round. An average installation will take only one day. Our crews install one window at a time and are trained to do what they can to minimize heating/cooling loss. The energy savings from your new windows will recover any incremental energy costs incurred during their installation many times over during their lifetime.
How can I prepare my house for my replacement windows?
Please take down curtains, blinds, or any other window treatments. Security sensors should also be removed and turned off by your security company. Please provide our installation expert with a clear path to the window(s) being replaced by moving anything that may be in the way. It is also advisable to remove all wall decorations from the walls close to the windows as they may fall during removal or installation.
How long will it take to get my replacement windows? How much time should I allow for the installation?
Since every window ordered is custom-built to fit your home and design choices, manufacturing times vary. Once delivered, the type of window being installed and the type being removed help determine the amount of time needed to complete the job. On average, each window takes about 30 minutes. Trim work and cleanup will require additional time to complete. An average job will take a single day.
What type of warranty is available for my windows?
All windows and patio doors we sell come with a manufacturer’s lifetime limited warranty and a repair labor guarantee, good for as long as you own your home! Contact us or see our warranties page for more details.
What happens to my old windows?
After installing your new replacement windows we remove all old windows from your property and dispose of them properly. If you wish to keep your old windows or storm windows, please notify the installation crew as soon as it arrives for your installation.
What do I do if there is a problem with the windows?
Most of the issues encountered by our customers are easily corrected and don't necessarily mean that there is a problem with your window. You are always welcome to contact us for help.
What types of payment methods and financing options does Window World of Southern Maryland accept?
We accept American Express, Cash, Check, Discover, Financing, Mastercard, and Visa. Financing options vary by promotional period; please contact us for details.
Are replacement windows installed from the inside or outside?
Most replacement windows are installed from the outside, but in some cases, installation from inside might be necessary. Your installation expert will explain the best process for your home.
Does Window World install replacement windows year-round and will I lose a lot of heat or cooling during installation?
Yes, we provide year-round window installation. Installations usually take one day and our crews work to minimize heat or cooling loss during the process.
How should I prepare my home for window replacement?
Remove curtains, blinds, and window treatments. Security sensors should be turned off by your security company. Provide a clear path to windows and remove nearby wall decorations to prevent damage.
How long does it take to get my replacement windows and complete the installation?
Windows are custom-built, so manufacturing times vary. Each window installation takes about 30 minutes on average, with additional time needed for trim and cleanup. Most jobs are completed in one day.
What warranty coverage is offered for the windows and doors?
All windows and patio doors come with a manufacturer’s lifetime limited warranty and a repair labor guarantee, valid as long as you own your home.
What happens to my old windows after replacement?
We remove all old windows from your property and dispose of them properly. If you want to keep your old or storm windows, please inform the installation crew upon arrival.
What should I do if I encounter problems with my windows after installation?
Many issues are easily corrected and may not indicate a defect. You can always contact us for assistance with any window concerns.
What nearby places can I visit before or after my appointment at Window World of Southern Maryland?
Nearby you can visit MONARCH PAINT & DESIGN CENTERS for painting needs, or enjoy a meal at IHOP and KFC. These spots offer convenient options to explore around your visit.
Are there any local services close to Window World that complement home improvement projects?
Yes, MAS Home Improvement Inc and Porter & Porter Floors nearby can assist with additional home improvement and flooring needs to complement your window installation.
How can local transportation or amenities help me when visiting Window World of Southern Maryland?
Convenience stores like 7-Eleven and money transfer services such as Western Union nearby can help with quick errands, making your visit easier and more efficient.
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