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TRUSTED BY MOUNT VERNON, WA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon172
    Verified window services reviews

Top-Rated Window pros in Mount Vernon - Updated Nov 2026

Avatar for 1ST CLASS GLASS INC.
1ST CLASS GLASS INC.
4.6(
100
)
New Windows - 6 +Window Glass - Install or ReplaceNew Windows - 2+6 more

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Sean was awesome from the get-go. He was incredibly responsive, answered all my questions, and gave me a "best guess" number over the phone even before he had seen the window that was being replaced. He then showed up with his team (exactly on time) and they did the measurements and were right on with their initial estimate. The glass was a few weeks out to order (given the size) but right when they got it, Sean called and set up a delivery. Again, they were right on time within the window that they said for doing the install and were quick to get the old window out, and the new one put in place. It went perfectly, and it looks as good as new. I will use them again any time I have anything glass related 100%. Thanks guys."
My jobs
32 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Champion Window Company of Seattle
Champion Window Company of Seattle
4.0(
17
)
New Windows - 6 +New Windows - 3-5

Serving Mount Vernon, WA and surrounding areas

Approved (Corporate)

In business since 1953

Free estimates

Credit card accepted

"Four of the five windows ordered were fine. One window did not fit (by wide margin) due to measuirement error. Champion has not shown any of the expected urgency about correcting the problem."
19 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Rusty's Window Cleaning
Rusty's Window Cleaning
5.0(
5
)
Window Cleaning

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

Dedicated to customer satisfaction, we uphold a commitment to excellence and never compromise on quality. We persist until you are not just satisfied but thrilled with our work. Our primary aim is to deliver exceptional service at a reasonable price. \n \nTake advantage of our discounts, available for bundled services, referrals from friends or neighbors, and sometimes just for being awesome. We appreciate your loyalty!

Before
After
window cleaning
After
Before

+1

Avatar for Gaspar Services
Gaspar Services
4.5(
71
)
Window Glass - Install or Replace

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Johnny is who did our exterior door install. He was very nice on the phone and in person. He was also very professional and knowledgeable. Would highly recommend and will use again in needed for additional projects."
After!
Composite deck
New kitchen
New living room
Doors

+58

Response time1 day
9 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for DaBella - Bellingham (Windows)
DaBella - Bellingham (Windows)
3.5(
854
)
New Windows - 3-5New Windows - 6 +

Serving Mount Vernon, WA and surrounding areas

Approved (Corporate)

In business since 2011

Free estimates

Warranties offered

We are the premiere home improvement company, with service and products that will keep you happy for years to come. \n \nOur customers receive unmatched warranties and exclusive products. We offer exclusive roofing, siding and window systems that are manufactured in America and installed by factory-trained installers, delivering the best possible result every time. \n \nDaBella Baths is our exclusive bath division, specializing in tub and shower conversions, bathtub replacement, walk-in showers and walk-in tubs. \n \nIf you want to work with a contractor who is passionate about service, committed to quality and determined to delight you, then DaBella is for you! \n \nWe're ready to turn your dreams into a beautiful re

Baths
Baths
Baths
Windows
Windows

+15

2 neighbors recently requested a quote
Recommended by87%of homeowners
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Windows FAQs, answered by experts

Vinyl windows have a few cons to consider before installing. For instance, while vinyl windows are energy efficient in terms of maintaining your home’s temperature, the actual process of making vinyl windows involves chemicals that are harmful for the environment. Vinyl windows are also less customizable than some other types of windows.

Egress windows are typically required for basements with habitable space or living quarters. Not all basements or lower levels require egress windows. However, egress windows are required in homes with living spaces such as bedrooms and living rooms in a basement. The International Residential Code and International Building Code require sleeping rooms to have a specific size egress window. Check your local building codes to confirm the requirements in your area.

In some cases, you might need a permit for a window replacement, which is hard to get if you’re not a professional contractor. You should probably just hire a window replacement company in the first place because the job is complicated and can be dangerous for the average DIYer. You may not even save any money doing it yourself because contractors purchase materials wholesale.

When you need new windows depends on a variety of factors, including the age of your windows, the age of your home, and the climate you live in. If you’re dealing with budget constraints, you don’t need to replace all your windows simultaneously. 

When buying new windows, you should consider energy efficiency, safety, and aesthetics to choose the right window for you.

Casement windows are safer against intruders than double-hung windows because they are extremely difficult to pry open from the outside. However, if you’re concerned about young kids or pets, double-hung windows have safety features you might prefer. With double-hung windows vs. single-hung or casement windows, you can lock the bottom sash and open just the top sash to keep children and dogs or cats safe.

The Mount Vernon, WA homeowners’ guide to window services

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