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Top-Rated Doors (exterior) installers and replacers in Gunpowder - Updated Nov 2026

Lenco Builders, LLC
4.6(
49
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"I highly recommend this company because the owner is very professional, knowledgeable, honest and very courteous. We had five different companies come to our house and give an estimate of the complete cost for a exterior basement door. Four of the companies' prices were from expensive to outrageous. Lenco Builders had the best complete installation package with 40 year warranty."
 before
window cut out
classy doors
Security Storm Doors
Before

+36

Response time7 hrs
Recommended by100%of homeowners
Avatar for JZ Construction, LLC
JZ Construction, LLC
4.9(
74
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"Very professional, knowledgeable. Clean up afterward, neat and good prices. I am very pleased with my newly installed shower, sink and luxury vinyl plank floors. I would recommend this contractor for future projects."
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+22

Response time1 day
Response rate96%
Recommended by80%of homeowners
Avatar for Castle The Window People - Mid Atlantic
Castle The Window People - Mid Atlantic
4.6(
14
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 1991

Free estimates

Warranties offered

"The installation of the door was done well; however, the work area was not adequately protected (no floor protection) and a crowbar was dropped on my new hardwood floor and put a gash in the floor. There was also a communication issue between the sales department and the installers on putting on new break metal around the outside of the door. Yes I would use them again but I would confirm everything with the installers before the start and I would make sure they prep the area to protect the property."
A taste of American Craftsman
Curb Appeal
Perfect Example
Beauty and Security
Practical

+30

Response time1 day
Response rate100%
189 neighbors recently requested a quote
Avatar for Pups Windows and Doors
Pups Windows and Doors
4.0(
498
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Airtight Exteriors performed our front door storm door replacement with flying colors! The quote was reasonable and competitive vs. others that we had; the quality of the replacement door is exceptional; the workmanship of the installer (Jesse) was exemplary, and he worked with us on minor issue to get everything resolved to satisfaction. When the job needed a minor correction after installation, Airtight send someone to get it done the next day, no questions asked. Highly recommend this company, they operate like a small business from 30 years ago - solid and reliable!"
Entry and Side Lites
Entry, Side Lites, and Storm Door
Entry Door
Entry Door
Cellar Door

+9

16 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Universal Windows Direct of Baltimore
Universal Windows Direct of Baltimore
4.2(
63
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

Universal Windows Direct was founded in April of 2002 by William Barr and Michael Strmac. It was their mission to create a home improvement company that offers high quality home improvement goods at the best possible value. What began as two guys in a 350 square foot office quickly grew to become one of the nation's leading remodeling companies. Today, Universal Windows Direct represents thousands of customers and has a rapidly growing network of locations nationwide, all of which are actively involved in the communities they serve.

Double Hung Window
Double Hung Window
Double Hung Window
39 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for ROI Construction LLC
ROI Construction LLC
4.1(
18
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"We had a great experience with ROI Construction sales representative David Burke. David was very knowledgeable about ROI's porducts and services. We look forward to getting our attic insulation project completed and will provide a more thorough review at that time. Thanks, Tim"
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+19

59 neighbors recently requested a quote
Recommended by90%of homeowners
West Shore Home Baltimore
3.0(
3
)
Doors (Exterior) - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Credit card accepted

West Shore Home offers a risk-free home improvement experience, so you never have to worry that you are sacrificing on quality, convenience, or expertise. We specialize in shower and bath replacements, and walk-in tubs. We offer fully customizable, limited lifetime-guaranteed solutions installed in as little as one-day. All of our installers are in-house employees, so we can guarantee the quality of the whole project from start to finish. We get it done the way you want - fast, easy, smart and right. \n

6 neighbors recently requested a quote
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FAQs for doors (exterior) installation and replacement projects in Gunpowder, MD

If your entry bakes in direct sun, fiberglass is the clear winner. The material shrugs off extreme heat, stays energy-efficient, and won’t warp or fade the way wood sometimes can. Paired with low-E or UV-blocking glass, a quality fiberglass door keeps hot air out, cool air in, and should serve you reliably for roughly two decades.

A seasoned door pro can hang a replacement door in two to four hours—mounting the slab, tweaking the fit, and adding hinges, knobs, and weatherstripping. If the jamb needs repairs or you’re cutting a brand-new opening, plan on extra time so everything lines up and seals tightly. Either way, most projects wrap up in a single afternoon.

The Gunpowder, MD homeowners’ guide to doors (exterior) installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.