CONSULTING PLANNERS OF MASSACHUSETTS
Expertise for Communities
Their analysis found that "a surprising number of other zoning requirements have the potential to interfere with efforts to open more land to multifamily dwellings." These include public hearing requirements that can delay or derail projects, minimum parking requirements, height limits, lot coverage, floor area ratio requirements, and occupancy restrictions. As others have pointed out, upzoning alone doesn't guarantee new construction if demand doesn't exist or other restrictions make development too onerous and expensive.
https://www.planetizen.com/news/2022/01/116001-more-evidence-upzoning-alone-wont-boost-housing?utm_source=newswire&utm_medium=email&utm_campaign=news-01312022&mc_cid=abc2240ea7&mc_eid=b9p0fICGm0