Top-rated doors (exterior) installers and replacers.

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

Avatar for Economy Handy Carpenter, LLC
Economy Handy Carpenter, LLC
4.6(
331
)
Doors (Exterior) - Install or Replace

Serving Derby, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"Nixon responded quickly and was able to install a new back storm door for us. The only problem is that it looks nicer than the front door now! :) Excellent work! Hired him to do several projects at Mom's now!"
Response time10 hrs
66 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Renuity Northeast
Renuity Northeast
4.3(
38
)
Doors (Exterior) - Install or Replace

Serving Derby, CT and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Warranties offered

"I liked that there was no nonsense. Their salesman was straightforward and the price was fair. We were also impressed with the installers. They installed all the windows in 1 day and they look great. I'm happy I chose them."
Entry Door
Doors
Doors
Doors
During Installation

+55

Response time6 hrs
2665 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for LSA Construction LLC
LSA Construction LLC
5.0(
15
)
Doors (Exterior) - Install or Replace

Serving Derby, CT and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"With over twenty years experience, this competent, honest, and affordable carpenter modified the door trim project, as needed. The outcome fully matched expectations. See "after" remedy vs "before' condition of door frame and trim. corner rot"
Finished Deck
5 neighbors recently requested a quote
Avatar for Mastak, LLC
Mastak, LLC
4.9(
9
)
Doors (Exterior) - Install or Replace

Serving Derby, CT and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

"Exceptional work! I sent in my request for the job and they came within a day and a half, got the job done in just a few hours. They are also open to all your opinions and critiques. Their customer service and punctuality was really great. It took me and my family days and hours to try and do the job ourselves, but Mastak are pros. My doors look so good! Thank you so much!"
Deck 23x16
Deck 23x16
Deck 23x16
Deck 23x16
Deck 23x16

+24

Response time9 hrs
Response rate98%
Recommended by100%of homeowners
Avatar for Happywife Home Improvement Services
Happywife Home Improvement Services
5.0(
12
)
Doors (Exterior) - Install or Replace

Serving Derby, CT and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"I highly recommend John of Happy Wife. He recently built a new deck for us and seriously paid attention to detail. Built exactly what I wanted. He also installed a new storm door for us! Very happy with his work."
Deck
Deck
Deck
Deck
Deck

+42

Response time2 days
Response rate100%
...
Showing 1-10 of 152
FAQs for doors (exterior) installation and replacement projects in Derby, CT

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 Derby, CT 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.