* No minimum lot size
* No parking space requirements
* No single family zoning in the city - minimum is multi-family, 15 stories.
* No requirement to match the character of the neighborhood
* No height based additional setbacks
* No rent control
* Get rid of the anti-dorm laws[1]
* No historical preservation without the city buying the property in question
* No building plan for the city - replace it with a "shall issue" policy where the city has to have some affirmative reason to block the permit or it gets issued by default.
There's probably a bunch more that should probably be done away with; those are the ones I can think of off the top of my head.
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1. It's very common in cities to ban dwellings that house more than x (typically 4) un-related adults.
But you're gonna make it a lot more livable and arrest the rate of inflation.