California Quadplex Zoning Analysis

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MapCraft and the University of California, Los Angeles (California)

To help MapCraft and researchers at University of California Los Angeles assess small-scale housing development opportunities in California, ECONorthwest provided housing market insights for communities across the state. Inspired by various bills introduced in the 2020 legislative session that would foster more small-scale housing development, researchers used MapCraft Labs to evaluate development on 6.8 million parcels across the state of California. The result is a working paper that presents an estimate of the market-feasible new home production on the state’s stock of single-family parcels if the state were to allow fourplexes on all these parcels. It also characterizes how the impacts of this change vary across regions and cities.

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