Alumni of the Artisan’s Asylum makerspace hoped to rebuild in Somerville after their organization moved to Allston. With an announcement Thursday that the space is being leased to The Engine, a startup found born at MIT, that dream got more complicated.

More than 20 artist-tenants at Central Street Studios learned in mid-June that they will be displaced from their building come Sept. 1. Artist space throughout Cambridge, Somerville and surrounding communities is becoming increasingly rare.

The Evergreen day care and preschool, a nonprofit serving area families since 1989, needs donations for relocating between buildings on the Sancta Maria Nursing Facility after setbacks caused by the coronavirus.