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Window & Door Installation in Lompoc
and Nearby Cities

Professional installation, replacement, and repair services for windows and doors in Lompoc and more.

At MJM Contractors, we provide high-quality window and door services designed to improve energy efficiency, safety, and curb appeal. Whether you're upgrading old windows, installing new sliding doors, or replacing damaged frames, we ensure precision and long-lasting results.

Why Choose Us?

✔ Licensed general contractor

✔ Accurate, clean installations

✔ Energy-efficient product recommendations

✔ Local Central Coast experience

✔ Honest pricing and transparent communication

We make electrical upgrades simple, safe, and stress-free.

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Window Installation & Replacement

We install and replace all types of residential windows, including:

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  • Vinyl windows

  • Energy-efficient double-pane windows

  • Bay windows

  • Picture windows

  • Casement & awning windows

  • Garden windows

  • Custom-sized windows for additions & renovations

 

Our installations improve insulation, reduce noise, and enhance lighting throughout your home.

Door Installation & Replacement

We offer complete installation and replacement of:

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  • Front entry doors

  • Sliding glass doors

  • French doors

  • Interior bedroom & bathroom doors

  • Closet doors

  • Patio doors

  • Fire-rated garage entry doors

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We ensure proper sealing, alignment, and weatherproofing for maximum durability.

Areas We Install​

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Lompoc • Vandenberg Village• Buellton • Solvang • Los Olivos • Santa Ynez • Orcutt • Santa Maria • Arroyo Grande • Nipomo
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Construction Consultation Scene

Request Windows or Door Quote

Windows & Doors - FAQs

How much does it cost to replace windows?

Costs vary based on size, material, and style. Most replacements fall between $350–$1,200 per window/door, plus $200-$1,000 for installation and finishing.

Are energy-efficient windows/doors worth it?

Yes — they reduce heating/cooling costs, improve comfort, and can increase home value.

Can you install windows/doors for a new addition?

Absolutely. We handle all window and door installs for additions, renovations, and ADUs.

Do I need to replace a window/door if only the glass is cracked?

Not always. Depending on the window type, glass-only replacement may be possible.

How long does installation take?

Most windows and doors can be installed 1-3 days depending on quantity and finishing

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