Residential Design-Build
High-End California Living.
Custom homes, ADUs, remodels and full residential electrification — solar, storage, EV charging and smart-home systems integrated from day one.
Capabilities
For homeowners who expect commercial-grade execution at residential scale: GSC delivers custom homes, ADUs and major remodels with in-house electrical, solar and smart-home expertise — no general-contractor handoffs, no subcontractor finger-pointing.
- Custom Homes
- ADUs
- Remodels
- Smart Home Systems
- EV Charger Installation
- Electrical Service Upgrades
- Solar Solutions
Ready to Build
Let's plan your next California project.
From concept and engineering through construction, commissioning, and long-term support — GSC delivers turnkey solutions.