About Ethos
Built on structure, clarity, and accountability.
Learn how Ethos Building Group delivers disciplined residential construction with clear communication and long-term value in every project.
Company Overview
ETHOS BUILDING GROUP LLC is a licensed California general contractor specializing in residential remodels and ADU construction throughout the South Bay and Los Angeles County.
We deliver disciplined project management, precise coordination, and high-quality craftsmanship built for long-term durability and real property value.
Mission
Ethos Building Group delivers organized, high-quality residential construction focused on long-term durability and functional design. We specialize in ADUs and full home remodels, providing structured project management and disciplined execution that homeowners can rely on.
About Leonid
Ethos Building Group was founded by Leonid Riley with a clear objective: bring structure, discipline, and accountability to residential construction.
With hands-on experience in remodeling, structural framing, and project coordination, Leonid remains actively involved in project oversight and quality standards from scope development through final walkthrough.
Licensed • Bonded • Insured (verify CSLB #1152661)
Service Area
ETHOS BUILDING GROUP LLC proudly serves homeowners throughout the South Bay and greater Los Angeles County.
About Page Contact
Want to discuss your project with our team?
If you’re ready to move forward with a remodel or ADU project, we’ll review your goals, scope, and timeline and provide clear next steps.
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