#62 From Duplex to 51 Units: ADU & ED1 Blueprint for SoCal Investors (Andrew Slocum)
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How do you turn a tired duplex on a 9,000 sq ft lot into a 51-unit apartment building in South LA? And how can regular multifamily owners use the same laws to create serious wealth?
In this episode, Juan Huizar sits down with housing advocate, developer, and investor Andrew Slocum to break down:
• How California’s latest ADU rules (as of 2025) let you add up to 8 detached ADUs on multifamily
• How an 8-unit building can become 18 units using detached ADUs + garage/parking conversions
• Real per-unit construction costs Andrew is seeing today ($125k–$200k per ADU)
• The South…
The skinny
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