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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon210
    Verified door services reviews

Top-Rated Door pros in Thornton - Updated Nov 2026

Avatar for R.L.S. Construction Corporation
R.L.S. Construction Corporation
4.9(
11
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair+1 more

Serving Thornton, IL and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

Looking to upgrade your home’s security, curb appeal, or interior finish? At R.L.S. Construction Corporation, we specialize in expert interior and exterior door replacement and repair. \n \nWe believe in master craftsmanship and clear communication—taking the time to educate you on the best materials and solutions for your project. Let's earn your business today!

Recommended by54%of homeowners
Avatar for JRG Remodeling
JRG Remodeling
4.9(
74
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or Replace

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Glad to be a repeat customer! JRG did such a great job on the first project I used them for that I contacted them again to replace an exterior door. This was not a simple remove the pins and change the door job. They had to remove the entire rotted wood frame holding the door, cut the steel door to get a custom fit, and break some improperly poured concrete that was preventing the door from being leveled. All of this was done in 4 hours with just 2 people, David and Jorge. Lastly, despite their busy work load, they took care of this for us one day after requesting if they could help us get this done soon. Best home remodeler I’ve ever used!"
Home remodel
Floor installation
Home remodel
Home remodel
Tile cabinets paint trim appliance installed

+54

Response time5 hrs
3 neighbors recently requested a quote
Smart Dovas LLC
4.8(
29
)
Doors (Exterior) - Install or ReplaceDoors (Exterior) - Install or Replace - For BusinessDoors (Interior) - Install or Replace+6 more

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

Free estimates

Small jobs welcome

Offers commercial services

"Delano at Smart Dovas did an amazing job in my home. He along with his apprentice. Took their time and did a fantastic job. He even corrected little things around my home that I didn't even mention. After the work was completed, they cleaned my floors so neatly. I truly appreciate their services. I will ne calling them back for other things that I need to have done in my home."
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+3

Recommended by65%of homeowners
All Service Calls, LLC
4.5(
41
)
Doors (Exterior) - Install or ReplaceDoors (Exterior) - Install or Replace - For BusinessDoors (Interior) - Install or Replace+5 more

Serving Thornton, IL and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"The workers did everything asked of them. Cleaned up my area so well you couldn't tell they worked in the very same area!!! Will use and recommend them to anybody. Great job!!"
Response time3 hrs
Response rate99%
Recommended by94%of homeowners
Avatar for WesTower
WesTower
5.0(
6
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair+4 more

Serving Thornton, IL and surrounding areas

Approved

"Hired to replace 2 window screens on the second story of our home. Val found another one that needed replacing, and he did that one too, for no additional charge. He also fixed our kitchen light so that it stopped blinking when we first turned it on. Friendly, courteous, punctual and professional. Will be hiring again."
LED Coffee Bar Cabinet
Platform Bed Assembly
TV Stand Assembly
Accent Chair Assembly
Kitchen Garbage Disposal

+3

4 neighbors recently requested a quote
Avatar for Universal Windows Direct of Chicago
Universal Windows Direct of Chicago
3.9(
12
)
Doors (Exterior) - Install or ReplaceStorm Door - InstallSliding Door - Install

Serving Thornton, IL 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.

Universal Windows Direct
Universal Windows Direct
Universal Windows Direct
Universal Windows Direct
Universal Windows Direct

+13

62 neighbors recently requested a quote
Recommended by85%of homeowners
Napo Improvements, LLC
4.2(
5
)
Doors (Exterior) - Install or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"I have worked with this company several times and the quality of work is amazing! Their team is so professional, responsive, and fast! I feel that we always get more than what we pay for. The quality and craftsmanship is top tier! You will not be disappointed hiring NAPO!. Definitely my go-to contractor!"
Recommended by66%of homeowners
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Doors FAQs, answered by experts

Permits are required when carrying out any structural work, so in most cases, you will need a building permit to cut through a concrete block wall to install a door. If you have specific questions about your project or need to obtain a permit, contact your municipal building department or ask your contractor for advice.

Yes, you need to install a sill for an exterior door. A sill offers structural support for the doorframe and creates a place to install the threshold, which is essential for keeping water from seeping underneath the door and into the home. Door sills are not necessary for interior doors.

While spring and summer’s temperate weather can make the project more pleasant and give you more daytime hours to start and complete it, there’s otherwise no advantage to framing a door in spring or summer versus fall and winter.

There are certainly perks to hiring a general contractor, but we recommend a closet professional. The reason is that their pricing may make more sense for your project. General contractors tend to search out bigger projects, and because of this, will attach a premium to smaller amounts of work. A closet pro may also have access to a wider range of materials than general contractors (and may be able to negotiate better discounts). 

Barn doors do not always require a bottom track, especially if a high-quality top track is used to stabilize the door. However, a bottom track is often recommended to ensure the door operates smoothly, prevent it from scratching the floor, and keep it from pushing inward or outward, which could cause damage. A bottom track also keeps the door more secure and properly anchored. In some cases, an interior barn door can hang solely from a top track without a bottom guide. If you do install a bottom track, it should be placed six to eight inches from the floor and be at least twice as wide as the door.

The Thornton, IL homeowners’ guide to door services

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