Synopsis As Introduced Creates the Displaced Building Service Workers Protection Act. Provides protections to building service employees who are regularly assigned to a covered building on a full or part-time basis for at least 25 working days immediately preceding a transition in employment and who perform work in connection with the care or maintenance of an existing building. Provides that a successor employer shall retain for a transition employment period of 25 working days at the affected site the building service employees of the terminated building service contractor and its subcontractors, or other covered employer, employed at the site covered by the terminated building service contract or owned or operated by the former covered employer. Provides that, at the end of the 25 working day transition period, the successor employer shall perform written performance evaluations and offer continued employment to all covered building service employees who receive satisfactory ratings. Excludes from coverage employees who earn more than $25 per hour, work less than 6 hours per week, or serve in a managerial, supervisory, or confidential capacity. Sets forth exemptions. Provides that the contractor may require employees to submit to a criminal background check. Effective immediately.