Building the Future You Envision
Turn your property into a smarter investment with expertly built ADUs, home additions, remodels, and custom homes designed for the way you live today and tomorrow.
Construction Designed Around Your Future

Every homeowner has a vision for what's next. For some, it's creating rental income through an Accessory Dwelling Unit. For others, it's making room for a growing family, caring for aging parents, or finally building the custom home they've always imagined.
CoreFrame Builders helps transform those goals into thoughtfully built spaces that add comfort, functionality, and long-term value. Our team specializes in ADU construction, home additions, whole home remodeling, and custom home construction, providing homeowners with a clear path from planning to completion.
More than building structures, we build confidence by helping homeowners understand every stage of the process before construction begins. Through careful planning, practical guidance, and quality craftsmanship, we make building your home a rewarding experience from start to finish.
Built on Experience. Driven by Integrity.
A successful construction project starts long before the first day on site. It begins with careful planning, honest conversations, and experienced leadership.
With a background in civil engineering, architecture, commercial construction, and project management, CoreFrame Builders brings a level of organization that many homeowners rarely experience during residential construction. Every proposal is carefully prepared, every project is thoughtfully coordinated, and every decision is made with transparency and your long-term investment in mind.
Whether you're building an ADU, expanding your home, or creating a custom residence, our goal is to deliver exceptional craftsmanship while making the entire process organized, predictable, and enjoyable.

OUR SERVICES
Residential Construction Services
Whether you're expanding your current home or building something entirely new, our services are designed to help you maximize your property's potential.
ADU Construction
Create a versatile living space that generates rental income, accommodates family members, or increases the long-term value of your property. We manage every phase of your ADU project with professional planning and quality craftsmanship.


Home Additions
Expand your home without leaving the neighborhood you love. We design and build seamless additions that create more functional living space while complementing your home's existing architecture.
Whole Home Remodeling
Transform your existing home into a space that better fits your family's lifestyle with thoughtfully planned renovations that improve comfort, functionality, and long-term value.


Custom Home Construction
Build a home that's uniquely yours. From the initial vision through final completion, we help bring your dream home to life with exceptional attention to detail.
Supporting Construction Services
To maintain consistent quality throughout every project, our team self-performs demolition, concrete, foundations, framing, drywall, texture, and interior painting whenever possible.

Why More Homeowners Are Investing in ADUs

An Accessory Dwelling Unit offers more than additional square footage. It provides flexibility for your family while creating lasting value for your property.
Homeowners choose ADUs to:
- Generate rental income that helps offset mortgage payments.
- Create private living space for aging parents or adult children.
- Increase overall property value.
- Build a comfortable guest house or home office.
- Maximize unused space on their property.
- Prepare for future family needs without moving.
As an experienced ADU builder, CoreFrame Builders
helps homeowners navigate planning, permitting, construction, and project completion with confidence.
FROM VISION TO REALITY
A Clear Process From Start to Finish
We believe homeowners should always understand what's happening throughout their project. Our process is designed to provide clarity, organization, and confidence every step of the way.
01
Consultation
We begin by learning about your goals, discussing your vision, and answering your questions.
02
Planning
Our team reviews project requirements, construction documents, and next steps to prepare for a successful build.
03
Construction
We coordinate every phase of construction while maintaining quality workmanship and providing regular project updates.
04
Completion
Before your project is complete, we conduct a thorough walkthrough to ensure every detail reflects our commitment to quality and your expectations.
The CoreFrame Builders Difference
Choosing the right builder means choosing a partner who values your investment as much as you do.
Honest Recommendations
Every recommendation is made with your best interests in mind. We take time to explain options so you can make informed decisions with confidence.
Detailed Planning
Our thorough proposals help homeowners understand exactly what their project includes while minimizing unexpected changes during construction.
Budget-Conscious Solutions
When opportunities exist to reduce costs without sacrificing quality, we provide value engineering recommendations that support your goals and budget.
Long-Term Relationships
Our commitment extends beyond project completion. We strive to build lasting relationships through professionalism, integrity, and dependable service.
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.
Proudly Serving Southern California
CoreFrame Builders
proudly serves homeowners throughout Southern California with professional residential construction services built on quality craftsmanship, integrity, and dependable project management. Whether you're planning an Accessory Dwelling Unit, expanding your home, remodeling your living space, or building a custom home, we're committed to helping you build with confidence from planning through completion.
La Verne
Whether you're planning an ADU, home addition, whole home remodel, or custom home, we're here to help you build with confidence from beginning to end.
Glendora
Helping Glendora homeowners maximize their property's potential with expertly managed ADU construction, home additions, remodeling, and custom home construction.
San Dimas
Providing trusted residential construction solutions that help San Dimas homeowners expand, renovate, and build homes designed for their future.
Claremont
Delivering thoughtful residential construction services that enhance Claremont homes through quality craftsmanship, careful planning, and personalized service.
Upland
Supporting Upland homeowners with professionally managed ADU construction, home additions, whole home remodeling, and custom home construction.
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."
Built on Faith. Committed to Excellence.
At
CoreFrame Builders, our work is guided by more than experience and craftsmanship. We believe every project is an opportunity to serve others with integrity, humility, and excellence. These values shape how we communicate, how we build, and how we care for the homeowners who place their trust in us.
"Whatever you do, work at it with all your heart, as working for the Lord, not for human masters, since you know that you will receive an inheritance from the Lord as a reward. It is the Lord Christ you are serving."
Colossians 3:23–24
Whether we're building an ADU, remodeling a home, or constructing a custom residence, we're committed to honoring that calling by delivering exceptional craftsmanship, honest guidance, and lasting value in every project we undertake.
Frequently Asked Questions
What types of projects does CoreFrame Builders specialize in?
We specialize in ADU construction, home additions, whole home remodeling, custom home construction, and comprehensive residential construction services designed to improve your home's functionality and long-term value.
Can you help with planning and permitting?
Yes. We help homeowners navigate planning, permitting, city approvals, and construction requirements, making the process easier to understand from the beginning.
Do I need completed plans before contacting you?
No. Whether you're starting with an idea or already have approved construction plans, we can help determine the next steps and guide you through the process.
How do you keep homeowners informed during construction?
We believe communication is essential to a successful project. Our team provides regular updates and ongoing communication so you always know how your project is progressing.
What makes CoreFrame Builders different from other contractors?
Our background in civil engineering, architecture, commercial construction, and project management allows us to deliver a higher level of organization, transparency, and professionalism throughout every residential project.
Can you help me stay within my budget?
Yes. We offer value engineering recommendations that help identify practical alternatives while maintaining quality, functionality, and the overall vision for your project.
Do you only build ADUs?
No. While ADU construction is our primary specialty, we also build home additions, complete home remodels, and custom homes for homeowners throughout Southern California.
Do you self-perform construction work?
Yes. We self-perform many key phases of construction, including demolition, concrete, foundations, framing, drywall, texture, and interior painting to help maintain quality and consistency throughout your project.
What areas do you serve?
We proudly serve homeowners throughout Southern California, providing residential construction solutions tailored to each client's goals. Additional service areas will continue to be added as the company grows.
How do I get started?
The first step is scheduling a consultation with our team. We'll discuss your project goals, answer your questions, review your options, and help you determine the best path forward.
GET IN TOUCH WITH US
Let's Build Your Future Together
Whether you're planning an income-producing ADU, expanding your family's living space, remodeling your existing home, or building a custom residence from the ground up, CoreFrame Builders is here to guide you with integrity, transparency, and expert craftsmanship. From your first consultation to the final walkthrough, we're committed to creating a construction experience built on trust, quality, and lasting value. Let's build a home that serves your family today and for generations to come.

