Windows Won't Stay Open

MJB Sash Cord Repair: Restoring Portland's Original Windows Since 1995

Don't replace your home's original windows! MJB specializes in restoring older Portland homes' wood windows for less money than replacement. Over 30 years of expertise in sash cord repair and window restoration.

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Expert Window Restoration Services

Our Portland Window Restoration Specialties

MJB has been restoring historic windows in Portland for over 30 years. We specialize in bringing century-old windows back to life—saving you money while preserving your home's original character.

SashCord Window
  • Sash Cord Repair & Replacement

    Broken sash cords making your windows stuck or unsafe? We replace worn cords with high-quality materials and restore smooth operation. Complete service includes cord replacement, pulley repair, and weight adjustment.

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  • Window Weight Repair

    Missing or broken window weights cause windows to slam shut or refuse to stay open. We repair or replace cast iron weights and restore proper balance for effortless operation and safety.

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  • Painted Shut Window Restoration

    Don't let decades of paint layers keep your windows permanently closed. We safely remove paint buildup and restore full operability without damage. Lead-safe certified for pre-1978 homes.

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  • Historic Wood Window Restoration

    Comprehensive restoration for Portland's historic homes from 1900-1950. We repair rot damage, replace glazing, restore hardware, and rebuild sashes—maintaining your home's architectural integrity.

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MJB Sash Cord Repair - About Us

Professional Window Repair & Sash Window Restoration in Portland, Oregon

Is your historic Portland home's sash windows sticking, rattling, or refusing to stay open? MJB Sash Cord Repair has been Portland's trusted window repair specialist for over 30 years. We specialize in comprehensive window repair services, focusing on sash window restoration that brings vintage double hung windows back to perfect working condition while preserving the character and value of your historic home.

We save you money while preserving history. We work with the craftsmanship of Portland's early builders, not against it.

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Complete Window Care

Additional Window Services

Beyond our specialty restoration work, we handle all your wood window maintenance and repair needs.

  • Wood Window Repair & Maintenance

    General repairs for drafty, rattling, or damaged wood windows

  • Window Glass Repair & Replacement

    Expert glass replacement for cracked or broken window panes

  • Professional Window Glazing

    Reglazing services using traditional materials for weathertight seals

  • Interior Window Painting

    Meticulous preparation and period-appropriate paint finishes

  • Window Weatherization

    Weatherstripping and sealing for improved energy efficiency

  • Unstick Painted or Swollen Windows

    Restore smooth operation to stuck windows without damage

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Why Choose MJB Sash Cord for Your Portland Window Restoration?

Experience You Can Trust Since 1995

When your historic Portland home's windows need expert care, you deserve craftsmen who understand both the artistry and engineering of traditional wood windows. MJB Sash Cord brings nearly 30 years of specialized experience to every project, making us Portland's most trusted name in sash window restoration.

  • Beyond Basic Sash Cord Repair

    While other companies simply replace broken cords, we restore your windows to their original beauty and function. Our comprehensive approach includes:

    • Professional sash cord replacement with premium materials
    • Dry rot repair and wood restoration (our specialty since 1995)
    • Complete window rebalancing for smooth operation
  • Portland Neighborhood Specialists

    We've been serving Portland's historic neighborhoods for decades. We understand the unique challenges of Oregon's climate and how it affects your vintage wood windows:

    • Moisture damage prevention and treatment
    • Seasonal expansion and contraction solutions
    • Historic preservation standards compliance
  • Master Craftsman Approach

    Our work goes beyond repair—it's restoration artistry. Every project receives:

    • Detailed assessment of all window components
    • Custom solutions for your home's specific needs
    • Quality materials that match original specifications
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Testimonials

Trusted by Portland Homeowners Since 1995

At MJB Sash and Cord Repair, we restore your historic windows to their original beauty and functionality. Our satisfied customers throughout East and West Portland trust us with their most valuable home restoration projects.


  • ... he and his team were always a pleasure to work with. And they were very fair on pricing all the work they did. Overall our experience with them was great, and I'll definitely be using them for future projects.

    Chris G. HomeOwner
  • ... had really good input on parts of the job that I was unsure about. I've been dealing with a lot of contractors lately and just getting them to get back to you and show up is difficult. I didn't have to worry about that with MJB and he was a pleasure to deal with. A great guy.

    K D. HomeOwner
  • MJB Restoration did an excellent job at repairing our porch (not an easy task) as well as painting. Mike was very reliable and a great communicator...the guys on his team very friendly and professional...

    Vale C. HomeOwner
Portlands Sash Cord Restoration Experts

Ready to Restore Your windows to Their Original Beauty?

Don't let broken sash cords compromise your home's comfort and value. Get professional window restoration from Portland's most trusted craftsmen since 1995.

Get Your Free Estimate Today
Contact Us

Get Your Free Estimate

Ready to restore your historic windows? Contact us today for a free, no-obligation assessment. We respond to all inquiries within 24 hours.

Our Location 3135 NE 63rd Ave
Portland, OR 97213
Business Hours Monday - Friday
9:00 AM - 5:00 PM