San Diego County is set to add 3,226 new rental units by the end of 2024, with 2,016 in the City of San Diego, 369 in Oceanside, and 414 in Chula Vista. Nationwide, over 518,000 new rentals are expected, marking a historic high. Experts highlight the importance of increasing supply to address the housing shortage, although rising costs and inflation may impact future construction. Chula Vista's Mayor noted efforts to streamline building permit applications to facilitate housing development. Escondido is projected to see a 66% increase in new apartment construction.