The city is mulling a major change to how 421a and inclusionary housing commingle, one that would prevent developers from shifting certain density bonuses off-site. The Department of Housing Preservation and Development is considering stopping the practice of allowing developers who are receiving the tax exemption to generate inclusionary air rights for off-site use, sources told The Real Deal. Under the old 421a, developers building inclusionary projects in R10 zoning districts could transfer air rights […]