
Providing high-quality window and door installation services across Los Angeles. Whether you're looking to replace outdated windows, install new patio doors, or upgrade your front entry door, we are your trusted experts. Our team works with top-tier brands like Milgard, Simonton, and T.M. Cobb to ensure you receive the finest products that enhance the beauty, energy efficiency, and security of your home.
Window & Door Installation in Los Angeles
Experienced craftsmanship you can trust

With years of experience in the industry, our team brings a blend of traditional craftsmanship and modern techniques to every project. Whether you're looking for hardwood, tile, laminate, or custom flooring solutions, we ensure the highest standards of precision and care in every installation. Our commitment to excellence is evident in our ability to create floors that not only meet but exceed expectations.
Our Renovation Process
Transparent and Hassle-Free
We believe in complete transparency and a streamlined renovation process that puts you in control. Here’s what you can expect
Consultation
We begin with an in-person consultation to understand your needs, preferences, and goals. This allows us to tailor the project to your exact specifications before starting the design process.
Design
Detailed drawings, 3D renderings, and concept art, giving you a clear vision of your new bathroom. We work closely with you to select materials, finishes, and fixtures that align with your style and budget.
Build
Once the design is finalized, our experienced we gets to work. We manage every aspect of the renovation, keeping you informed every step of the way. The goal is to deliver a result that exceeds your expectations.
Final Walkthrough
Upon completion, we conduct a thorough walkthrough with you to ensure every detail meets your approval. Your satisfaction is our top priority and we love seeing our clients' reactions.
Expert Craftsmanship
We prioritize clear communication and responsiveness, ensuring your renovation experience is smooth and enjoyable.
Our team of skilled professionals is dedicated to delivering the highest quality of work.
Exceptional Customer Service

We understand the importance of timelines and work diligently to complete your project on schedule.
With years of experience in Los Angeles, we understand the unique needs and styles of homes in the area.
Timely Project Completion
Local Expertis
Why choose Regnum Construction


Protected by beautiful doors and windows.
Enhance your home's security and style with beautiful, high-quality doors and windows. At Regnum Construction, we provide expertly crafted installations that not only add elegance to your space but also offer superior protection and energy efficiency. Enjoy peace of mind knowing your home is both safe and visually stunning.
Our Window and Door Installation Services

Window Installations
Energy-efficient replacement windows that not only improve the appearance of your home but also help reduce energy costs.

Patio Door Installations
Upgrade your space with modern, easy-to-operate sliding glass doors.

Front Entry Doors
Make a lasting first impression with durable, weather-resistant front entry doors.