Journal.
Notes on building smarter — ADU cost, permits, and high-ROI garage conversions in California.
How much does an ADU really cost in California?
A clear breakdown of soft costs, hard costs, and the line items that move your budget the most.
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The permit timeline that actually works
How we get from drawings to an approved permit without the months-long stall most owners expect.
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Five high-ROI garage conversions for 2026
From a rentable suite to a soundproof studio — the conversions paying back fastest this year.
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