Building Homes With Purpose
Behind every successful project is a team committed to doing the right thing, communicating honestly, and building spaces that improve the lives of the families who call them home.
Our Story
CoreFrame Builders was founded by Orlando Martinez with a vision of bringing integrity, technical expertise, and exceptional project management to residential construction. Backed by a strong foundation in civil engineering and business leadership, Orlando established the company to help homeowners navigate construction with confidence through thoughtful planning, honest communication, and quality craftsmanship.
As the company continued to grow, Managing Partner Brilliant Tran joined the leadership team, bringing extensive experience in civil engineering, architecture, and commercial construction management. Together, Orlando and Brilliant have built CoreFrame Builders into a trusted residential construction company serving homeowners throughout California, combining technical knowledge, practical experience, and a shared commitment to delivering an exceptional construction experience.
Today, whether building an Accessory Dwelling Unit, expanding a family home, completing a whole home remodel, or constructing a custom home, CoreFrame Builders
remains committed to creating spaces that improve the way families live while building lasting relationships founded on trust, transparency, and quality.
Meet the Leadership Team
CoreFrame Builders is led by experienced professionals who share a commitment to quality craftsmanship, honest communication, and exceptional project management. Together, they provide homeowners throughout California with the expertise, guidance, and personalized service needed to deliver successful residential construction projects.
Orlando Martinez
Founder & Managing Partner
Northern California
Orlando Martinez founded CoreFrame Builders with a vision of building a residential construction company rooted in integrity, transparency, and lasting relationships. He holds a Bachelor of Science in Civil Engineering and a Master's in Business from Northwestern, combining technical expertise with strategic leadership to guide the company's continued growth. Orlando oversees Northern California operations while helping ensure every project reflects the professionalism, organization, and client-first approach that define the CoreFrame Builders
experience.
Brilliant Tran
Managing Partner
Southern California
Brilliant Tran brings extensive experience in civil engineering, architecture, and commercial construction management to
CoreFrame Builders. He oversees Southern California operations, applying commercial-level planning, organized project management, and transparent communication to every residential project. Working alongside Orlando, Brilliant is committed to helping homeowners confidently navigate ADU construction, home additions, whole home remodeling, and custom home construction while delivering an exceptional client experience.
Why We Build
Construction has never been just about building structures. It's about creating opportunities for families to grow, invest in their future, and enjoy the place they call home. We understand that every homeowner has different goals. Some want to create rental income with an ADU. Others need additional space for a growing family or aging parents. Many simply want a home that better reflects how they live today.
No matter the project, we approach every opportunity with the same mindset: provide honest guidance, thoughtful planning, and quality craftsmanship while helping homeowners make informed decisions throughout the process.
Our work is guided by integrity, respect, and a genuine desire to build relationships that last long after construction is complete.
WHY CHOOSE US
What Makes CoreFrame Builders Different
Choosing a contractor is about more than comparing services. It's about finding a team that will protect your investment and provide confidence throughout one of the biggest decisions you'll make as a homeowner.
CoreFrame Builders combines technical knowledge with practical construction experience to deliver a higher standard of residential building.
Commercial-Level Project Management
Our commercial construction background allows us to bring structured planning, organized scheduling, and disciplined project management to every residential project.
Transparent Communication
We believe homeowners deserve to understand exactly what they're investing in. From detailed proposals to regular project updates, we keep communication clear throughout every phase of construction.
Honest Recommendations
Every recommendation is made with your long-term goals in mind. When opportunities exist to improve value or reduce costs without sacrificing quality, we'll explain your options so you can make confident decisions.
Quality Without Shortcuts
We believe quality craftsmanship starts with doing the job right the first time. Attention to detail, dependable workmanship, and accountability remain central to everything we build.
The Values That Guide Every Project
Integrity
We stand behind our work and honor our commitments through honesty, accountability, and dependable service.
Transparency
Clear expectations and open communication help homeowners feel informed and confident throughout their project.
Craftsmanship
Every detail matters. We take pride in building spaces designed to perform beautifully for years to come.
Relationships
We believe successful projects begin with trust and continue through lasting relationships built on mutual respect.
Accountability
From planning through final completion, we take ownership of every stage of the construction process and remain committed to delivering exceptional results.
Building Relationships That Last
A successful construction project isn't measured solely by the finished home. It's measured by the experience homeowners have throughout the journey.
That's why we focus on creating an organized, educational, and collaborative process where homeowners always know what comes next. We believe informed clients make better decisions, which is why we take time to explain planning, permitting, budgeting, scheduling, and construction every step of the way.
Our goal is for every homeowner to feel comfortable asking questions, confident in their investment, and excited about the future of their home.
OUR SERVICES
Residential Construction Services
Whether you're planning your first project or your forever home, CoreFrame Builders offers residential construction solutions designed around your goals.
ADU Construction
Create additional living space, generate rental income, or increase your property's value with a custom-built accessory dwelling unit.
Home Additions
Expand your existing home with thoughtfully designed additions that blend seamlessly with your current living space.
Whole Home Remodeling
Transform your home with comprehensive renovations that improve comfort, functionality, and long-term value.
Custom Home Construction
Bring your dream home to life with personalized construction tailored to your family's vision and lifestyle.
Supporting Construction Services
Our team self-performs key phases of construction, helping maintain greater quality control 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
Who is CoreFrame Builders?
CoreFrame Builders is a residential construction company founded by Orlando Martinez and led alongside Managing Partner Brilliant Tran. With offices in Northern California and Southern California, we provide ADU construction, home additions, whole home remodeling, and custom home construction for homeowners throughout California.
Who founded CoreFrame Builders?
CoreFrame Builders was founded by Orlando Martinez, who serves as Founder and Managing Partner. Together with Managing Partner Brilliant Tran, the company combines expertise in civil engineering, architecture, commercial construction, and residential project management to deliver a higher standard of construction throughout California.
What makes CoreFrame Builders different from other contractors?
We combine commercial-level project management with residential craftsmanship, providing transparent communication, detailed planning, and honest guidance throughout every project.
What values define your company?
Integrity, transparency, craftsmanship, accountability, and long-term relationships are the principles that guide every decision we make.
Why does CoreFrame Builders focus on communication?
We believe homeowners deserve to understand every stage of construction. Clear communication helps reduce uncertainty and creates a more enjoyable building experience.
What types of projects do you specialize in?
We specialize in ADU construction, home additions, whole home remodeling, custom home construction, and supporting residential construction services.
Can you help homeowners who are new to construction?
Absolutely. We guide homeowners through every phase of the process, including planning, design, permitting, budgeting, and construction, so they feel informed, prepared, and confident from beginning to end.
Do you self-perform construction work?
Yes. We self-perform many key phases of construction to maintain greater quality control and consistency throughout each project.
Where does CoreFrame Builders provide services?
CoreFrame Builders has offices in both Northern California and Southern California, allowing us to serve homeowners throughout California. While we're currently focused on expanding our presence across Southern California, we also continue serving Northern California and surrounding communities as our clients' needs continue to grow.
How can I learn more about working with CoreFrame Builders?
Simply schedule a consultation with our team. We'll discuss your project goals, answer your questions, and help you determine the best next steps for your home.
GET IN TOUCH WITH US
Ready to Build With a Team You Can Trust?
Whether you're planning an Accessory Dwelling Unit, expanding your home, remodeling your existing space, or building a custom home, CoreFrame Builders is here to help you move forward with clarity and confidence.
From your first consultation to the final walkthrough, we're committed to delivering an organized, transparent, and enjoyable construction experience centered around your goals.
Let's build a home that serves your family today while creating lasting value for the future.
