Commercial construction built on quality, honesty and integrity.
G Brothers Construction is a family-owned specialty contractor delivering high-performance tenant improvements, framing and drywall across Southern California — on time and on budget, no matter the size or scope.
Specialty commercial construction, start to finish
From shell & core to secure government facilities, the same experienced team delivers consistent quality across every commercial application.
Tenant Improvements
High-performance commercial tenant improvements from start to finish — transforming spaces for property owners and managers.
Interior Metal Stud & Drywall
Custom interior framing and finishing for commercial projects, balancing craftsmanship with tight schedules.
Exterior Metal Stud Framing
Facades, curtain walls, soffits, canopies and architectural screening elements executed with precision.
SCIF Construction
Secure government facilities with multi-layered shielding and sound attenuation exceeding STC 45 standards.
Clean Rooms & Labs
Mission-critical environments built to stringent environmental specifications for labs and controlled facilities.
OSHPD Compliance
Medical facility construction adhering to California OSHPD standards for hospitals and healthcare spaces.
Three decades of quality and value
Established in 1993 with roots going back to the 1970s, our owners and senior staff grew up working in the industry. That experience shows in every wall we frame and every ceiling we hang.
- Family owned and operated since 1993
- Certified Minority & Veteran owned business
- Experienced, professional field and office teams
- Excellent communication from bid to closeout
- On time, on budget — no matter the size or scope
Certified, verified & recognized
Certifications that matter to owners, GCs and government agencies — held and maintained for your peace of mind.
Certified MBE
Minority Business Enterprise, certified by the Southern California Minority Supplier Development Council (SCMSDC).
Veteran Owned
Verified Veteran Owned Small Business (VOSB) through the U.S. Department of Veterans Affairs CVE.
ISN Member Contractor
ISNetworld member — safety, insurance and regulatory compliance information independently verified.
Licensed Contractor
California State Contractors License #753084 — active and in good standing.
Ready to build? Let’s talk about your project.
Get a detailed, accurate bid from a team with 30+ years of commercial construction experience.