
The ADU Playbook: Build Wealth With Accessory Dwelling Units | Kevin Trinh
from The Science of Flipping
by Bleav + Justin Colby
Published: Fri Oct 17 2025
Show Notes
Want to learn how to build wealth with ADUs? Join Kevin Trinh’s ADU Mastermind in San Diego — where investors learn how to find, build, and scale cash‑flowing ADU projects.
DM “ADU Mastermind” to @thekevintrinh
In this episode, I sat down with ADU expert Kevin Trinh, who’s built over 180 accessory dwelling units and is quietly dominating a niche that more real estate investors need to pay attention to. Kevin broke down exactly how to spot ADU potential, what cities allow this strategy, how to structure the financing, and the long-term wealth-building plays that can make you millions. From converting garages to building multi-unit plays on a single-family lot, this episode is full of tactical advice and golden nuggets you won’t hear anywhere else. If you're serious about cash flow, legacy, or just stacking equity—this one’s for you.
About Kevin Trinh
Kevin Trinh is a licensed general contractor, real estate investor, and founder of the ADU Mastermind based in San Diego, CA. With over 180 ADUs built since 2016,Kevin brings a unique blend of hands-on construction experience and strategic investing knowledge. His work has helped dozens of investors create massive cash flow, spike equity, and scale real estate portfolios using the power of Accessory Dwelling Units.
Connect with Kevin
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Instagram: https://instagram.com/thekevintrinh
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Facebook: https://facebook.com/thekevintrinh
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ADU Mastermind (San Diego): DM “ADU Mastermind” on Instagram to join or learn more
About Justin:
After investing in real estate for over 18 years and almost 3000deals done, Justin has created a business that generates 7 figures in active income through wholesaling and fix and flipping as well as accumulating millions of dollars of rental properties including 5 apartment buildings, 50+ single family homes, and 1 storage facility
Justins longevity in real estate is due to his ability to look around the corners, adapt to changing markets, perfecting Raising private capital, and focusing on lead generation which allows him to not just wholesale and fix & flip, but also accumulate wealth through long term holds.
His success in real estate led him to start The Entrepreneur DNA podcast and The Science Of Flipping podcast and education company, and REI LIVE where he’s actively doing deals with members. He has coached and mentored thousands of aspiring and active investors over the last decade.
Connect with Justin:
- Instagram: @thejustincolby
- YouTube: Justin Colby
- TikTok: @justincolbytsof
- LinkedIn: Justin Colby
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