Mobile service · Free estimates · Lifetime guarantee

Side & Rear Window Replacement in Missoula

A smashed door window or a shattered back glass leaves your car open to rain, snow and theft. Call us, and we'll get the right glass lined up and come to you to put it in.

Car Window Replacement in Missoula and Western Montana

Car window replacement is rarely something you plan for. A door window gets smashed in a parking lot, a rock off a trailer takes out the back glass, or a window simply falls apart one cold morning. Suddenly the car can't be locked and the weather is getting in.

Epic Auto Glass handles side and rear windows the same way we handle windshields: we come to you. That matters when the vehicle isn't secure or isn't pleasant to drive with a hole in it. Tell us the year, make and model and which window is broken, and we'll give you a free estimate.

These windows aren't built like your windshield, so the job looks a little different. Below we explain what to expect and what you can do in the meantime.

Signs You Need Side or Rear Window Replacement

  • A door window that shattered into small pieces
  • A back glass that's cracked, crazed or broken out
  • A rear window whose defroster lines no longer clear the glass
  • A small vent or quarter window that's cracked or loose
  • A window that fell into the door after a break-in attempt
  • Glass that won't seal and lets wind or water in

How It Works

  1. Tell us which window broke

    Door, vent, quarter or back glass, plus your vehicle details.

  2. We source the right piece

    Side and rear glass is specific to the vehicle and the exact opening.

  3. We come to your location

    Home, work, or wherever the car is sitting.

  4. Clean out and install

    We clear away broken glass we can reach, fit the new window and check that it seals and operates properly.

  5. Old glass goes with us

    Disposal is free, and the work carries our lifetime guarantee.

After a Break-In or a Rock

Most side windows and many back windows are made of tempered glass. Unlike a windshield, which is laminated with a plastic layer that holds it together, tempered glass is designed to break into lots of small, blunt pieces. That's a safety feature, but it makes a mess. Pieces end up in the seats, the carpet, the door panel and the window channel.

That's why cleanup is part of the job, not an afterthought. Leftover fragments inside the door can scratch new glass or jam the window regulator. Loose bits in the seat tracks can turn up for months.

Rear windows bring one more wrinkle. Many have defroster lines, the thin heating grid printed on the glass. Some also carry antenna lines. The replacement glass needs to match your vehicle so those features work again once it's installed.

What to do before we arrive:

  • Stay safe and avoid handling the broken edges with bare hands
  • If the car was broken into, report it to the police and your insurer as needed
  • Tape plastic over the opening to keep rain and snow out
  • Park in a garage or under cover if you can

If you need the opening closed up while you wait on glass, ask us about covering it when you call. Break-in damage is often a comprehensive claim; our insurance claims page explains how that usually works.

What Affects the Price

  1. Which window it is

    Door glass, a small quarter window and a full back glass are very different parts.

  2. Glass features

    Defroster grids, antennas, privacy tint and encapsulated trim all affect the piece.

  3. Vehicle year, make and model

    Some glass is easy to find; some takes longer to track down.

  4. Door or trim work

    Reaching a door window often means taking the inner panel off.

  5. Insurance

    Comprehensive coverage may pay for break-in or rock damage, less your deductible.

Estimates are always free. Call (406) 531-7790

Every job carries our lifetime guarantee. We're so confident in the work that all of our services come with it.

Five Stars for Epic Autoglass!

I've lived in Missoula my entire life, so I've used a variety of auto glass shops of the years. During that time I've come to trust Joe at Epic Autoglass for his exceptional service and his great rates. He's someone you can trust!

Shane WRead more reviews on Google →

Side and Rear Window FAQs

Why did my side window shatter completely?

Side windows are usually tempered glass, which is built to break into small pieces rather than sharp shards.

Can a side window be repaired like a windshield chip?

Usually not. Tempered glass doesn't hold a chip; once it's damaged it tends to break entirely. Rock chip repair is for laminated windshields.

Will my rear defroster work after replacement?

The new glass should match your vehicle's features, so we'll confirm that when we source it.

Do you come to me for a broken window?

Yes. Like all our mobile auto glass work, we come to your location.

Cracked Glass? We Can Help.

Call to schedule your appointment. Mon–Thu 8:00–5:00, Fri 8:00–12:00. We come to you.