Casey Foundation seeks to replace aging Rosedale apartments with 434-unit mixed development; council holds record open

The city of Gaithersburg on Monday held a consolidated joint public hearing on a zoning map amendment (Z10030-2025) and an abandonment request (AB10054-2025) that would allow the Eugene B. Casey Foundation to redevelop the Rosedale property into a new multifamily community.

The foundation’s team told the planning commission and the mayor and council that the proposed Rosedale Village Apartments would replace the existing 122 aging units with 434 new apartments, and that about 75% of the new units would be income‑restricted under agreements regulated through the Internal Revenue Code and served to households at roughly 50%–70% of area median income. “We promised to bring to you a tremendous, a happier and more successful way of providing affordable housing,” applicant attorney Bob Dalrymple said.

City planning staff said the request includes a rezoning of two parcels from R‑20 and R‑18 to CD (comprehensive development), the use of a newly annexed parcel already zoned CD, and a schematic development plan (SDP) that envisions nine buildings organized around a central green. The application also includes an environmental waiver request, a tree removal variance for eight specimen trees, and an affordable‑housing waiver that would…