
Add Space Without Leaving Home
Expand your living space without the hassle of moving
Your family has grown, your needs have changed, but you love your neighborhood. BNC Builders' room addition San Diego services let you stay in the home you love while adding the space you need - no moving trucks required.
We specialize in seamless additions that look like they were always part of your home. Our room addition San Diego team matches rooflines, siding, and architectural details so your expansion enhances rather than disrupts your home's original character.
Guest bedrooms, home offices, expanded kitchens, entertainment rooms, in-law suites - whatever space you need, BNC Builders delivers room addition San Diego excellence that adds both square footage and property value.

Our New Room Additions Services
Comprehensive solutions for your new room additions needs
Our Process
How we approach your new room additions project
Needs Assessment
We discuss exactly what space you need and how you will use it. Understanding your lifestyle helps us design the perfect room addition San Diego solution.
Design & Engineering
Our architects create plans that seamlessly integrate with your home. We handle engineering, permits, and all approvals.
Professional Construction
Our experienced crew builds your room addition San Diego project with care, maintaining clear communication from foundation to final paint.
Needs Assessment
We discuss exactly what space you need and how you will use it. Understanding your lifestyle helps us design the perfect room addition San Diego solution.
Design & Engineering
Our architects create plans that seamlessly integrate with your home. We handle engineering, permits, and all approvals.
Professional Construction
Our experienced crew builds your room addition San Diego project with care, maintaining clear communication from foundation to final paint.
Frequently Asked Questions
Common questions about new room additions
Most single-room additions take 4-6 months from permit approval to completion. Larger or more complex projects may extend longer. BNC Builders provides detailed timelines during consultation.
That is our specialty. Our room addition San Diego team carefully matches roof pitch, siding, windows, and trim. Most guests cannot tell where the original home ends and the addition begins.
Our licensed team handles all foundation work, structural engineering, and connections to your existing home. Every room addition San Diego project includes proper engineering.
Often yes! Above-garage additions are popular options. We evaluate your garage structure to determine feasibility and design options.
Still have questions?
Contact us at (760) 993-3204
Ready for Your New Room Additions Project?
Contact us today for a free consultation and estimate. Let's bring your vision to life!
