Home Additions Designed Around Your Family
Create the extra space you need without leaving the home and neighborhood you already love. CoreFrame Builders designs and builds custom home additions that improve the way your family lives while adding lasting value to your property.
More Space Without Starting Over
As families grow and lifestyles change, your home should continue to support your needs. Whether you're welcoming a new family member, creating a dedicated home office, or simply looking for more comfortable living space, a thoughtfully designed home addition can transform the way you use your home.
At
CoreFrame Builders, we build custom home additions that blend seamlessly with your existing property. From planning and construction to the finishing details, our team focuses on creating spaces that feel like they were always meant to be part of your home.
Home Additions Built for the Way You Live
Every family has different priorities, which is why every addition we build is customized to fit your home, your lifestyle, and your future plans. We take the time to understand your goals before developing a solution that complements your home's layout, architecture, and functionality.
Whether you're adding one room or expanding multiple areas of your home, our team is committed to delivering a space that's both practical and beautifully integrated into your existing residence.
Our Home Addition Services
We provide complete home addition solutions designed to help homeowners maximize their living space while protecting the character and value of their home.
Room Additions
Add bedrooms, family rooms, home offices, or other living spaces that provide the flexibility your family needs while maintaining a cohesive design throughout your home.
Primary Suite Additions
Expand your home with a spacious primary suite that offers greater comfort, privacy, and functionality for everyday living.
Second-Story Additions
Maximize your property's potential by adding a second level that creates significant new living space without increasing your home's footprint.
Custom Home Expansions
Every home is unique. We design custom additions that improve functionality while blending naturally with your home's existing architecture and style.
Why Build a Home Addition?
A home addition allows you to improve your living space without the cost and disruption of moving to a new home. It also gives you the opportunity to customize your home around your family's changing needs while increasing long-term property value.
Homeowners choose home additions to:
- Create more living space for growing families.
- Add bedrooms or guest accommodations.
- Build a dedicated home office.
- Improve everyday comfort and functionality.
- Stay in the neighborhood they already love.
- Increase the value of their home.
Our goal is to create an addition that feels like a natural extension of your existing home rather than an afterthought.
FROM VISION TO REALITY
Our Home Addition Process
A successful addition begins with careful planning and open communication. We guide homeowners through every stage of the project while keeping expectations clear from beginning to end.
01
Consultation & Planning
We discuss your goals, evaluate your property, and recommend the best approach for your home addition.
02
Design & Preparation
Our team works through planning and project preparation to ensure every detail is ready before construction begins.
03
Construction
We carefully manage every phase of construction while maintaining quality craftsmanship and providing regular project updates.
04
Final Walkthrough
Before completing your project, we review every detail to ensure your new living space meets our standards and your expectations.
Why Choose CoreFrame Builders
Adding onto your home requires thoughtful planning and experienced craftsmanship. Our team focuses on creating additions that look original, function beautifully, and provide lasting value for years to come.
When you work with CoreFrame Builders, you benefit from:
- Customized home addition solutions.
- Civil engineering and architectural expertise.
- Commercial-level project management.
- Honest recommendations and transparent communication.
- High-quality craftsmanship.
- A commitment to protecting your investment.
We believe every addition should improve not only your home, but also your everyday life.
OUR SERVICES
Residential Construction Services
CoreFrame Builders provides comprehensive residential construction services throughout Southern California.
ADU Construction
Build a custom Accessory Dwelling Unit that creates additional living space, rental income opportunities, and long-term value.
Whole Home Remodeling
Transform your existing home into a more functional and comfortable space through comprehensive renovations.
Custom Home Construction
Bring your dream home to life with personalized construction designed around your family's goals.
Supporting Construction Services
Our experienced team self-performs many essential phases of construction to maintain quality and consistency throughout every project.
OUR RECENT WORK
Featured Projects
Every project reflects our commitment to thoughtful planning, quality craftsmanship, and creating spaces that improve everyday living.
Fifth Street ADU Conversion
A home addition and garage-to-ADU conversion designed to create approximately 750 square feet of additional living space while increasing long-term rental income potential.
Sixth Street ADU Project
A residential expansion featuring a home addition, detached ADU, and attached garage built to maximize living space, functionality, and long-term property value.
LaRue Home Addition Project
A garage conversion and custom home addition completed to support multigenerational living with thoughtfully designed spaces and seamless interior upgrades.
Villa Park Valley Whole Home Remodel
A complete renovation of a luxury estate featuring a full interior remodel, redesigned outdoor living spaces, an expanded pool, and custom home theater.
Villa Park Windsor Whole Home Remodel
A full-scale home reconstruction that expanded an existing residence with luxury living spaces, a detached theater, resort-style outdoor amenities, and premium finishes.
HOA Pool & Spa Renovation
A commercial HOA renovation featuring a 30,000-gallon pool, 5,000-gallon spa, reconstructed concrete decking, new finishes, and restored wrought iron fencing.
Cypress Whole Home Remodel
A complete 2,900-square-foot home renovation featuring six bedrooms, four bathrooms, a modern interior redesign, and a reconstructed front entry for improved flow.
TESTIMONIALS
What Homeowners Are Saying
★ ★ ★ ★ ★
Andrea C. – Covina, CA
"We had Brilliant and his crew remodel our house. It was a huge undertaking, and they did an amazing job. No complaints here! We would highly recommend them. Thank you so much, Brilliant!"
★ ★ ★ ★ ★
Joseph G. – Glendora, CA
"We recently hired CoreFrame Builders for a major remodel that included our kitchen, bathrooms, and the removal of a load-bearing wall. From start to finish, they were professional, organized, and communicative. The quality of their work exceeded our expectations, they completed the project on schedule, and stayed within the agreed budget—something that's hard to find with remodeling projects. We couldn't be happier with the results and would highly recommend CoreFrame Builders to anyone looking for a reliable and skilled contractor."
★ ★ ★ ★ ★
Robert L. – San Francisco, CA
"Great job from start to finish. The team was transparent, informative, and paid close attention to every detail. I was pleasantly surprised by how quickly the project was completed, and I'm grateful to CoreFrame Builders for turning our vision into reality."
★ ★ ★ ★ ★
Catherine P. – Ontario, CA
"I've had the pleasure of working with Brilliant Tran and CoreFrame Builders as one of my trusted general contractors, and it's always a great experience. Their professionalism, courtesy, and commitment to exceptional service and quality workmanship have made every project enjoyable. I highly recommend CoreFrame Builders to anyone looking for a contractor they can trust."
★ ★ ★ ★ ★
Gerald S. – Pasadena, CA
"I worked with Brilliant Tran after my roof began leaking, and the entire experience was outstanding. The project was handled professionally from beginning to end, and I wouldn't hesitate to work with CoreFrame Builders again. Highly recommended!"
★ ★ ★ ★ ★
Jesus L. – San Dimas, CA
"CoreFrame Builders is a professional, licensed contractor specializing in residential construction. From home additions and ADUs to new home construction and repairs, their team pays close attention to detail and consistently delivers quality craftsmanship throughout every stage of the project."
★ ★ ★ ★ ★
Andrea C. – Covina, CA
"We had Brilliant and his crew remodel our house. It was a huge undertaking, and they did an amazing job. No complaints here! We would highly recommend them. Thank you so much, Brilliant!"
★ ★ ★ ★ ★
Joseph G. – Glendora, CA
"We recently hired CoreFrame Builders for a major remodel that included our kitchen, bathrooms, and the removal of a load-bearing wall. From start to finish, they were professional, organized, and communicative. The quality of their work exceeded our expectations, they completed the project on schedule, and stayed within the agreed budget—something that's hard to find with remodeling projects. We couldn't be happier with the results and would highly recommend CoreFrame Builders to anyone looking for a reliable and skilled contractor."
Frequently Asked Questions
Is a home addition better than moving?
For many homeowners, expanding their existing home is more cost-effective and less disruptive than purchasing a new property. A home addition allows you to create the space you need while staying in the neighborhood you already enjoy. It also increases the functionality and value of your home.
What types of home additions do you build?
We build room additions, primary suite additions, second-story additions, and custom home expansions tailored to each homeowner's needs. Every project is designed to complement the existing home while improving functionality. We'll help determine the best solution during your consultation.
Will my home addition match my existing home?
Yes. We carefully design additions that blend with your home's architecture, layout, and exterior finishes. Our goal is to make your new space feel like it has always been part of your home.
Can I remain in my home during construction?
In many cases, homeowners can continue living in their home while construction is underway. This depends on the scope of the project and the areas being renovated. We'll discuss what to expect before construction begins.
Will a home addition increase my property's value?
A professionally designed home addition can significantly improve both your home's functionality and long-term value. Additional living space is often one of the most desirable features for future buyers. We'll help you create an addition that benefits both your family and your investment.
How long does a home addition project take?
Project timelines vary depending on the size, complexity, permitting requirements, and overall scope of work. During your consultation, we'll provide a realistic schedule based on your specific project. Throughout construction, we'll keep you informed of progress.
Can I customize the design of my addition?
Absolutely. Every home addition is customized to fit your property's layout, your family's needs, and your long-term goals. We work closely with homeowners to create spaces that feel both functional and cohesive.
Do you help with permits and planning?
Yes. We help homeowners understand the planning and permitting process while coordinating the necessary steps before construction begins. Our organized approach helps create a smoother experience from start to finish.
What makes CoreFrame Builders the right choice?
Our background in engineering, architecture, and commercial construction allows us to deliver organized project management, transparent communication, and exceptional craftsmanship. We focus on creating a positive experience while building spaces designed to last.
How do I get started?
The first step is scheduling a consultation with our team. We'll discuss your vision, answer your questions, and recommend the best approach for expanding your home.
GET IN TOUCH WITH US
Ready to Expand Your Home?
Whether you're adding a single room or creating an entirely new level of living space, CoreFrame Builders is ready to help you build with confidence.
Let's design a home addition that blends seamlessly with your home while creating more room for the moments that matter most.
