Prohibits a landlord from refusing to lease or rent real property to a prospective tenant or current tenant, or expelling a tenant from real property, based on the source of income of an otherwise eligible tenant.

Creates the landlord mitigation program and requires the department of commerce to administer the program and adopt rules it deems necessary for the administration of the program.

Creates the landlord mitigation program account.

Provides a list of the types of claims, related to landlord mitigation for renting private market rental units to low-income tenants using a certain source of income, that are eligible for reimbursement from the account, and a list of eligibility requirements.

Increases the affordable housing for all surcharge to thirteen dollars and requires a portion of the surcharge to be deposited in the landlord mitigation program account.

Allows the department of commerce to use the reappropriation (2017 3rd sp.s. c 4 s 1028) to implement this act.