Speaking of the San Francisco Bay Area, as the Antiplanner was doing yesterday, the California legislature may be on the verge of passing a bill that will make that crowded region even more congested. Assembly Bill 2923 would allow, even require, that the Bay Area Rapid Transit Authority to overrule local zoning and impose high-density housing on neighborhoods within a half-mile of BART stations.
Not surprisingly, many cities including Fremont, Hayward, Lafayette, and Pleasant Hill oppose this preemption of their local authority. More surprising is opposition from the California chapter of the American Planning Association. While the APA supports minimum-density zoning, it doesn’t believe that transit agencies should be allowed to preempt local cities. Apparently, more APA members work for cities than for BART.
The bill’s advocates argue that high-density housing will be more affordable, a myth the Antiplanner has addressed before. Mid-rise construction costs 50 percent more and high-rise costs 68 percent more per square foot than low-rise housing. Land in areas with urban growth boundaries can be hundreds of times more expensive per acre than areas without boundaries, so densities would have to be that many times greater to get land costs per unit of housing down to reasonable levels. Continue reading
