MI SB0021

Requires municipalities to equip historic sites with fire alarm systems as part of preservation requirements.

Mandates downtown development authorities refer proposed exterior changes to historic sites to local historic district commissions before making permanent changes.

Requires authorities to refer proposed changes to the state historic preservation office for sites listed on state or national historic registers that are not located in a local historic district, with at least 30 days' notice through December 31, 2018.

Imposes a $30,000 civil fine on authorities that violate review requirements by demolishing historic facilities, with fines directed to a grant program for nonprofit historic preservation organizations and local governments.

Creates a grant program funded by civil fines to support historic preservation efforts, with preference given to organizations serving the community where violations occurred.