The San Diego City Council voted Monday to adopt an ordinance intended to prevent developers from converting homes deemed as affordable to market rate or luxury housing units.

San Diego took a key step Monday toward preventing thousands of rent-restricted apartments from being torn down by becoming the first local city to approve a preservation law for subsidized housing. City officials said the law,

The San Diego City Council on Monday adopted new rules governing the sale of affordable housing developments. The regulations are aimed at preserving properties with deed restrictions that limit rents to affordable levels.