Ald. Carlos Ramirez-Rosa (35), one of the sponsors of the Northwest Side Housing Preservation Ordinance, is pictured at a City Council meeting in April 2024. [Don Vincent/The Daily Line]

A group of Northwest Side alderpeople are backing an ordinance that would implement multiple policy changes aimed at preserving affordable two-, three- and four-flats in Hermosa, Logan Square, Avondale, West Town and Humboldt Park.