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  • The long-awaited Friend Compound laws in California

    Posted: 2025-03-26 13:21:51

    California's new "friend compound" laws, effective January 1, 2024, significantly ease restrictions on building multiple housing units on a single-family lot. Senate Bills 9 and 10 streamline the process for splitting lots and building duplexes, triplexes, and fourplexes, respectively, while maintaining local control over design standards. These laws aim to increase housing density and affordability by overcoming outdated zoning regulations, though their effectiveness remains to be seen due to potential loopholes and local implementation challenges. They represent a notable step towards addressing California's housing crisis.

    Summary of Comments ( 88 )
    https://news.ycombinator.com/item?id=43482005

    Hacker News users discussed the complexities and potential downsides of California's recently enacted "Friend Compound" ADU law (AB-2221). Several commenters questioned the financial viability, pointing out that the costs associated with building multiple ADUs on a single lot could outweigh the potential rental income, especially with rising interest rates. Others raised concerns about parking, increased density impacting neighborhood character, and the potential for exploitation by developers seeking to maximize profits. The lack of clear guidelines within the law regarding utility connections and other practical considerations was also a recurring theme. Some expressed skepticism about whether the law would meaningfully address the housing crisis, suggesting it might primarily benefit wealthier homeowners. The overall sentiment seemed to be cautious optimism tempered by a healthy dose of pragmatism.