Door & Window Repair, Replacement, and Installation in Northfield, MN

From sticking doors and broken window mechanisms to complete replacements and new installations, TrueMark Repair helps homeowners find practical, lasting solutions.

We focus on proper fit, smooth operation, weather-tight sealing, and clean finishing details that complement your home.

What We Specialize In

Entry Door Replacement

Exterior entry doors installed with proper fit, weather sealing, and finished details.

Patio & Sliding Door Installation

Sliding patio doors and French doors, including replacements and opening modifications when appropriate.

Storm Door Installation‍ ‍

Proper alignment, secure hardware, and smooth operation.

Interior Door Installation‍ ‍

Interior doors installed for accurate fit and reliable function.

Window Replacement & Installation

Single windows or small groups, with careful sealing and finishing.

Window Mechanism Repairs

Replacement of cranks, operators, locks, and other window hardware.

Door & Window Finishing

Clean, tight trim work that blends seamlessly with your home.

Door Repairs & Adjustments

Solutions for sticking doors, drafts, damaged hardware, and alignment issues.

Repair First
When It Makes Sense

Outline of a house with a hammer and wrench crossed in front of it.

Not every door or window problem requires a full replacement. We'll evaluate the issue, explain your options, and help you determine whether a repair or replacement makes the most sense for your home

Common Issues We Help With

Sticking or misaligned doors

Storm door issues

Drafts and poor weather sealing

Damaged door or window

Broken window cranks

Rot/water damage around openings

Worn or damaged door hardware

Difficult-to-open windows

Doors and windows are a major part of what we do. As a licensed Minnesota Residential Remodeler, TrueMark Repair combines hands-on experience, careful installation, and practical problem-solving with clear communication throughout your project.

Whether we're repairing an existing unit or installing something new, we want you to feel confident in both the process and the finished result.

Why Homeowners Choose TrueMark for Doors & Windows

A dark blue check mark inside a circle

Need help with a
door or window issue?

Let’s take a look and find the
right solution for your home.