Mahoney construction did multiple jobs for our school. Everything from interior carpentry, trim, door hanging, deck, building, and modular classroom construction. They are the most efficient contractor we?ve worked with. Their staff is very competent and professional!

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TRUSTED BY CORAM, MT HOMEOWNERS
3.6
Average homeowner rating12
Verified window and door contracting services reviews
Verified Reviews for Window And Door Contracting pros in Coram, MT
Last update on October 10, 2025
- Josh L.
- Andrea B.
The window treatments turned out nicely. I was a little disappointed with her follow-up. The entire process from start to finish took longer than I expected, but I think it was because she had such a good response to her Groupon offer, and shortly after that Groupon, offered another one for...
- Jennifer F.
They were very professorial and attentive. They came out and did the doors first it didn't take them long and it looked great when they were finished, Then they started the siding next, we decided to go with a vertical look to our siding and it looks really nice, The guys answered any...
Find Window and door contractors in Coram

Renewal by Andersen of Montana
Renewal by Andersen of Montana
Renewal by Andersen of Montana is the full service replacement division of Andersen Windows servicing the entire state of Montana with start to finish window and patio door replacement. We are the only replacement window on the market made of Fibrex material. All of our windows and doors are installed by our certified master installers. We offer free in-home estimates and have financing available.
"Our experience with RbA of Montana was wonderful. Major remodels (22 windows) can cause some anxiety. But we were kept informed every step of the way and the windows were installed quickly and efficiently. And we had NO finishing work to do when the crew left. Great experience!"
Marci W on October 2025
Renewal by Andersen of Montana is the full service replacement division of Andersen Windows servicing the entire state of Montana with start to finish window and patio door replacement. We are the only replacement window on the market made of Fibrex material. All of our windows and doors are installed by our certified master installers. We offer free in-home estimates and have financing available.
"Our experience with RbA of Montana was wonderful. Major remodels (22 windows) can cause some anxiety. But we were kept informed every step of the way and the windows were installed quickly and efficiently. And we had NO finishing work to do when the crew left. Great experience!"
Marci W on October 2025
VELUX America
VELUX America
Start with skylights! At VELUX, our mission is clear: we're dedicated to transforming your space with natural light and fresh air with skylights. Whether you're looking to replace old skylights or install brand-new ones, we will guide you every step of the way. Why Choose VELUX? =================== When it comes to skylights and roof windows, VELUX is the global leader. Here's why you should trust us to transform your home: 1. Innovation and Quality: VELUX skylights are renowned for their innovation and unmatched quality. They're designed to let in abundant natural light while keeping your space leak-free and energy-efficient. 2. Huge Product Selection: You’ll have access to a wide range of skylight options, from fixed to vented skylights. And we are here to help tailor the selection to suit your specific needs and style preferences. 3. Expertise: We take pride in what we do at VELUX, and our team is highly trained to guide you through the entire process. From selecting the perfect product for your space to providing valuable recommendations, we're committed to making sure your skylight project is a complete success. 4. Professional Installation Partners: We don't stop at product selection and recommendations; we also match you with a VELUX-trained installer who will handle the installation of your skylights with precision and expertise.
Start with skylights! At VELUX, our mission is clear: we're dedicated to transforming your space with natural light and fresh air with skylights. Whether you're looking to replace old skylights or install brand-new ones, we will guide you every step of the way. Why Choose VELUX? =================== When it comes to skylights and roof windows, VELUX is the global leader. Here's why you should trust us to transform your home: 1. Innovation and Quality: VELUX skylights are renowned for their innovation and unmatched quality. They're designed to let in abundant natural light while keeping your space leak-free and energy-efficient. 2. Huge Product Selection: You’ll have access to a wide range of skylight options, from fixed to vented skylights. And we are here to help tailor the selection to suit your specific needs and style preferences. 3. Expertise: We take pride in what we do at VELUX, and our team is highly trained to guide you through the entire process. From selecting the perfect product for your space to providing valuable recommendations, we're committed to making sure your skylight project is a complete success. 4. Professional Installation Partners: We don't stop at product selection and recommendations; we also match you with a VELUX-trained installer who will handle the installation of your skylights with precision and expertise.

Renewal by Andersen
Renewal by Andersen
Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation
"We are extremely happy with how our new windows and new front door turned out. After some unexpected challenges with the way our home was built, our installation crew quickly and efficiently adapted to make sure our windows and door were installed with expert care. Every time we see our new beautiful picture window we are left breathless! And our beautiful front door is the perfect upgrade for the look of our home. Thank you RBA!"
JENNIFER S on August 2025
Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation
"We are extremely happy with how our new windows and new front door turned out. After some unexpected challenges with the way our home was built, our installation crew quickly and efficiently adapted to make sure our windows and door were installed with expert care. Every time we see our new beautiful picture window we are left breathless! And our beautiful front door is the perfect upgrade for the look of our home. Thank you RBA!"
JENNIFER S on August 2025
Flathead Handyman Services, LLC
Flathead Handyman Services, LLC
Flathead Handyman Services, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"he know how to milk the clock. he has to be the slowest person I have seen. 20 minutes to get the tools together then has to smoke and drink his drink. 9 hours to fix a 2 x2 floor. didn't tell me about his rate per hour. said he would be there at 10am showed up at 11am. BEWARE DO NOT HIRE!!!"
Jacqueline D on October 2023
Flathead Handyman Services, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"he know how to milk the clock. he has to be the slowest person I have seen. 20 minutes to get the tools together then has to smoke and drink his drink. 9 hours to fix a 2 x2 floor. didn't tell me about his rate per hour. said he would be there at 10am showed up at 11am. BEWARE DO NOT HIRE!!!"
Jacqueline D on October 2023
Mountain View Builders MT, LLC.
Mountain View Builders MT, LLC.
Welcome to Mountain View Builders MT, LLC.!We are committed to exceeding your expectations. As experts, we will handle your needs with the high quality expertise, that your home or business deserves. We offer competitive prices, and customer satisfaction is our number one priority. Call us now!
Welcome to Mountain View Builders MT, LLC.!We are committed to exceeding your expectations. As experts, we will handle your needs with the high quality expertise, that your home or business deserves. We offer competitive prices, and customer satisfaction is our number one priority. Call us now!

Rugged Ridge Contracting
Rugged Ridge Contracting
Profile Rugged Ridge Contracting is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Tallon did a wonderful job installing our kitchen window when another contractor left us high and dry! He replaced all the trim and we are getting bids for other items. He showed up on time and cleaned up after. Great person, very respectful and knew what he was doing. We look forward to working with him in the future."
Sandy G on June 2025
Profile Rugged Ridge Contracting is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Tallon did a wonderful job installing our kitchen window when another contractor left us high and dry! He replaced all the trim and we are getting bids for other items. He showed up on time and cleaned up after. Great person, very respectful and knew what he was doing. We look forward to working with him in the future."
Sandy G on June 2025
All work no play construction
All work no play construction
My name is James Ferguson I own All Work No Play Construction Registered with the state of MT, Insured and ICEC I have 15 years experience I specialize in pole barns, shops, storage buildings, tiny houses, remodels, framing, decks, roofing, siding, handyman, wood flooring, sheet rock, paint/stain, sub contractor, All phases of construction, etc just call/text Thanks (Flathead Valley and surrounding areas:)!! Four06three1four5703
My name is James Ferguson I own All Work No Play Construction Registered with the state of MT, Insured and ICEC I have 15 years experience I specialize in pole barns, shops, storage buildings, tiny houses, remodels, framing, decks, roofing, siding, handyman, wood flooring, sheet rock, paint/stain, sub contractor, All phases of construction, etc just call/text Thanks (Flathead Valley and surrounding areas:)!! Four06three1four5703
Dedicated Exteriors
Dedicated Exteriors
We are a full service exterior construction company. Our tradesmen enjoy working together making the management process much more simple by eliminating downtime, poor quality and bickering between trades. It is our belief that its easier to manage one company rather than many. Let us handle the heavy lifting! Here's a list of services we specialize in: Exterior Design - Siding - Roofing - Decking - Door/Window Installation - Interior/ Exterior Painting - Gutters - Soft-wash/Pressure Washing - Fencing/railing - Privacy/Shade screens - Interior T&G - Interior Flooring
We are a full service exterior construction company. Our tradesmen enjoy working together making the management process much more simple by eliminating downtime, poor quality and bickering between trades. It is our belief that its easier to manage one company rather than many. Let us handle the heavy lifting! Here's a list of services we specialize in: Exterior Design - Siding - Roofing - Decking - Door/Window Installation - Interior/ Exterior Painting - Gutters - Soft-wash/Pressure Washing - Fencing/railing - Privacy/Shade screens - Interior T&G - Interior Flooring
A.T.F. Construction
A.T.F. Construction
We are a Veteran owned and managed company. We take pride in being on time, honest, and trustworthy. We have an extensive amount of experience and several certifications; GC licensed and insured, septic design and install certification, low voltage certified, years of project management experience on a federal level and OSHA compliant. We take the time to build our tool box with the correct tools in order to provide you with the best experience. Good contractors are busy contractors so call us today to schedule your free quote. Don’t delay let us help you today.
"Highly recommend! Excellent communication, extremely accommodating to completing an ever growing list of items and quality work! Will definitely partner with on future projects."
Terri S on August 2023
We are a Veteran owned and managed company. We take pride in being on time, honest, and trustworthy. We have an extensive amount of experience and several certifications; GC licensed and insured, septic design and install certification, low voltage certified, years of project management experience on a federal level and OSHA compliant. We take the time to build our tool box with the correct tools in order to provide you with the best experience. Good contractors are busy contractors so call us today to schedule your free quote. Don’t delay let us help you today.
"Highly recommend! Excellent communication, extremely accommodating to completing an ever growing list of items and quality work! Will definitely partner with on future projects."
Terri S on August 2023
Phoenix Handyman Srvc, LLC
Phoenix Handyman Srvc, LLC
I offer affordable handyman services including minor home repairs, new additions to your home or down sizing your home. I am licensed to do painting both interior and exterior, remodeling your home and re-leveling of manufactured homes. I have 12 years of experience combined working on house and manufactured homes. Give me a call or shoot me an email and let's see what we can get done.
I offer affordable handyman services including minor home repairs, new additions to your home or down sizing your home. I am licensed to do painting both interior and exterior, remodeling your home and re-leveling of manufactured homes. I have 12 years of experience combined working on house and manufactured homes. Give me a call or shoot me an email and let's see what we can get done.
FAQs for window and door contracting projects in Coram, MT
Door installation usually takes three and four hours, including removing the old door and frame, fitting the new door and frame in place, shimming it to make sure it’s perfectly level, and making adjustments to the hinges and locking mechanisms to ensure proper functionality. A door-hanging professional can replace an interior door in between one and two hours. Door installation will take significantly longer if your installer needs to create a wall opening, and it can take less time if the existing door frame remains.
If you have a problem with your window, such as broken glass, minor leaks, or a problem with your window being stuck, repairing the broken part might be a cheaper option than replacing the entire window. However, if you have a deteriorating window frame or major leaks, buying a new window will be the better long-term solution.
The average cost to install a door is around $1,100, but you could pay anywhere from $150 for a hollow-core interior door installation up to $2,000 or a high-end exterior door installation. There are a few cost factors to consider to get an accurate price, including whether your wall opening exists, the type of door, the quality and security of the door, whether you need to replace the frame, and the door size. You can expect to pay $150 to $700 for a standard 36-by-80-inch door and between $400 and $1,600 for an 80-by-48-inch door.
Window replacement costs between $180 and $410 per window, or an average of $280 per window. However, your specific replacement job could cost as little as $100 or as much as $750. Factors such as frame material, the number of windows you need, and the type of glass you order all impact the overall cost. For example, simple double-glazed windows will cost $3 to $6 per square foot, but the stronger tempered glass ranges from $12 to $14 per square foot.
It’s possible to install a door yourself if the wall opening already exists, but the work is rather complicated, and a professional installation is usually well worth the investment. For your door to work and close properly, you’ll need to shim and level the door frame in your wall perfectly, which can be difficult. Additionally, we recommend you always hire a professional door installer to place an exterior door, as mistakes during the installation process can lead to poor security for your home.
The Coram, MT homeowners’ guide to window and door contracting services
From average costs to expert advice, get all the answers you need to get your job done.
Screen door installation costs depend on size, type of frame material, and the number of doors. Here’s everything you need to know.
When adding a fresh new entryway to your home, you may be curious about the cost of sliding glass doors. Let's break it down by size, style, and design.
When it's finally time for an upgrade, how much does patio door replacement cost? We'll break patio door prices by size, style, installation, and more.
French doors add elegance and convenience to your home. Learn how to install French doors in just a few straightforward steps.
Doors don’t have a one-size-fits-all option. Read on to see the standard door sizes you can expect when purchasing your next one.
If you are wondering who you hire to install a door, we share the best experts to work with to guarantee a perfect installation.
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