In this solo episode of the Build Better Homes Podcast, Royal Mortier dives into one of the most timely and misunderstood topics in residential development: Accessory Dwelling Units (ADUs), Accessory Commercial Units (ACUs), and Live-Work Units.

Royal breaks down where these concepts came from, why they’re gaining traction across the U.S., and how they’re being used as practical tools to address housing pressure, affordability, walkability, and mixed-use community design.

Drawing from real-world projects across California, Florida, Oregon, Lake Tahoe, and coastal vacation communities, this episode walks through:

• What ADUs really cost and why price per square foot is higher
• When ADUs make sense financially and when they don’t
• The regulatory realities most people overlook
• How ACUs support walkable neighborhoods and local business
• Why Live-Work Units are becoming more common in modern developments
• Lessons from European towns, Seaside / 30A, and coastal planned communities

This episode is both educational and practical, offering builders, developers, and homeowners real context instead of hype.

Topics Covered

• What qualifies as an ADU vs illegal conversions
• Zoning, fire separation, egress, and energy code considerations
• Real cost breakdowns for ADU plan sets and construction
• Rental income vs equity benefits
• ACUs and neighborhood-scale commercial integration
• ADA implications when converting residential to commercial
• Live-Work Units and modern work-from-home realities
• Townhouse density and walkable community planning
• Why condos are the exception to “real estate never goes to zero”

Key Takeaway

ADUs, ACUs, and Live-Work Units aren’t shortcuts, they’re tools. When applied thoughtfully, they increase flexibility, density, and long-term value. When misunderstood, they create expensive mistakes.

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