Creates the Metropolitan Mobility Authority Act. Establishes the Metropolitan Mobility Authority. Provides that the Chicago Transit Authority, the Commuter Rail Division and the Suburban Bus Division of the Regional Transportation Authority, and the Regional Transportation Authority are consolidated into the Metropolitan Mobility Authority and the Service Boards are abolished. Creates the Suburban Bus Operating Division, Commuter Rail Operating Division, and the Chicago Transit Operating Division. Reinserts, reorganizes, and changes some provisions from the Metropolitan Transit Authority Act and the Regional Transportation Authority Act into the new Act. Includes provisions concerning the operation of the Metropolitan Mobility Authority. Repeals the Metropolitan Transit Authority Act and the Regional Transportation Authority Act. Amends various Acts, Laws, and Codes to make conforming changes. Creates the Equitable Transit-Supportive Development Act. Establishes the Office of Equitable Transit-Oriented Development and the Transit-Supportive Development Fund. Provides that the Office and the Fund are to aid transit-supportive development near high-quality transit by providing specified funding to municipalities that have adopted the standards in the transit support overlay district for that area or that have adopted zoning and other changes that the Office determines have benefits greater than or equal to such a District, including transit support overlay districts. Includes provisions relating to Office standards, procedures, and reports. Amends the State Finance Act to make a conforming change. Amends the Department of Transportation Law of the Civil Administrative Code. Requires the Department to establish, staff, and support an Office of Public Transportation Support for the purpose of optimizing the operation of public transportation vehicles and the delivery of public transportation services on highways under the Department's jurisdiction in the Metropolitan Mobility Authority's metropolitan region. Describes the duties and operations of the Office. Amends the Toll Highway Act. Provides that the Chair of the Metropolitan Mobility Authority is a nonvoting member of the Illinois State Toll Highway Authority.

Amends the Property Tax Code. Provides that, in counties in which the county board so provides, by ordinance or resolution, owners of income-producing properties in the county shall file physical descriptions of their properties with the chief county assessment officer upon request of the chief county assessment officer. Sets forth the period of time during which those provisions apply. Provides that the request for information shall include an individualized statement specifying all physical description information that the assessor's office has on record or recorded against the property and shall contain a statement that the owner may confirm the information if no changes are required. Imposes certain penalties if the property owner fails to respond to a request for information. Amends the Freedom of Information Act to provide that financial records and data related to real estate income, expenses, and occupancy submitted by or on behalf of a property owner to a chief county assessment officer, except if submitted as part of an assessment appeal, are exempt from disclosure. Effective immediately.

Amends the School Code. In a provision concerning evidence-based funding for student success, allows the Professional Review Panel to study, at the discretion of the chairperson, any proposed legislation by the General Assembly impacting the provision or the distribution of Tier funds through the evidence-based funding formula or the adequacy targets of organizational units funded through the evidence-based funding formula.

Amends the Property Tax Code. Increases the maximum reduction for the general homestead exemption to $50,000 in counties with 3,000,000 or more inhabitants. Provides that for taxable years 2025 through 2027, the property tax liability for homestead property in Cook County that contains a single-family home or a multi-unit residential dwelling with fewer than 3 units shall not exceed the adjusted property tax liability for the property for the applicable tax year. Effective immediately.

Reinserts the provisions of the introduced bill with the following changes. Provides that each county shall have power to declare what are sound nuisances (rather than all nuisances in the introduced bill), including, but not limited to, sound amplification, construction noise, and noise from off-road vehicles, and to take all necessary measures to abate sound nuisances (rather than all nuisances in the introduced bill) within the county's jurisdiction.

Amends the Illinois Police Training Act. Provides that specified in-servicing training for law enforcement officers must be completed every 2 years (rather than 3 years) and must include at least 30 hours of training.

Amends the Juvenile Court Act of 1987. Provides that the juvenile law enforcement records of a person who before his or her 21st birthday has committed an act which if committed by an adult would constitute a criminal violation under the Cannabis Control Act or a criminal violation of the Drug Paraphernalia Control Act with respect to cannabis are subject to automatic expungement. Provides that the law enforcement agency who initiated the violation shall automatically expunge, on or before January 1 and July 1 of each year, the juvenile law enforcement records of a person eligible under this provision. Provides that the law enforcement agency shall provide by rule the process for access, review, and confirmation of the automatic expungement by the law enforcement agency. Provides that the clerk of the circuit court shall expunge, upon order of the court, or in the absence of a court order on or before January 1 and July 1 of each year, the juvenile court records of a person who before his or her 21st birthday has committed an act which if committed by an adult would constitute a criminal violation under the Cannabis Control Act or a criminal violation of the Drug Paraphernalia Control Act with respect to cannabis in the clerk's possession or control and which contains the final satisfactory disposition which pertain to a person eligible under this provision. Effective immediately.

Congratulates the Chicago Teachers' Pension Fund (CTPF) on its 130th anniversary. Thanks the organization for serving its members, constituents, community, profession, and the citizens of Illinois with distinction. Wishes the organization continued success for decades to come.

Amends the Criminal Code of 2012. Provides that a person is legally accountable for the conduct of another when, acting as an aggressor as provided in the Code, he or she causes another to use force in defense of himself or another and that use of force is the proximate cause of injury to a third party.

Amends the Property Tax Code. Provides that, in addition to any other requirements set forth by law, each member of the board of review in a county with 3,000,000 or more inhabitants must be an attorney licensed to practice law in Illinois. Limits the concurrent exercise of home rule powers.

Amends the Control Over Building and Construction Article of the Illinois Municipal Code. Provides that a municipality may not prohibit the building or usage of accessory dwelling units in the municipality. Provides that a municipality may provide reasonable regulations relating to the size and location of accessory dwelling units similar to other accessory structures unless a regulation would have the effect of prohibiting accessory dwelling units. Limits home rule powers. Defines terms.

Amends the Property Tax Code. Provides that, for taxable year 2026, the maximum income limitation for the low-income senior citizens assessment freeze homestead exemption is $75,000 (currently, $65,000). Provides that, beginning in taxable year 2027, the maximum income limitation for the low-income senior citizens assessment freeze homestead exemption shall be increased each year by the percentage increase, if any, in the Consumer Price Index. Effective immediately.

Amends the Illinois Power Agency Act. Removes the requirement for the Illinois Power Agency to annually determine the amount of utility-scale renewable energy credits it will include each year from the self-direct renewable portfolio standard compliance program. Provides that the self-direct credit amount for each renewable energy credit supplied shall be determined annually and is equal to the volumetric charge collected under a provision in the Public Utilities Act. Provides that the approved self-direct credit amount shall be multiplied by each renewable energy credit procured by participating self-direct customers for up to 100% of the self-direct customer's annual consumption. Provides that the self-direct customer's utility bill credit amount shall consist of a credit towards the utility-scale renewable energy portion of the volumetric charge and shall not include a credit toward the portion of the volumetric charge associated with procuring renewable energy credits through existing and future contracts under the Adjustable Block Program, the Solar for All Program, and a specified provision of the Act.

Amends the Public Utilities Act. Provides that the Illinois Commerce Commission, in a general rate case proceeding initiated by a public utility that provides water and wastewater service in Illinois, is authorized to approve rate designs requested by a public utility that provides water and wastewater service in Illinois if it finds that such rate designs will enhance the equitable provision of safe, reliable, and affordable water and wastewater services or are otherwise in the public interest. Provides that if the Commission finds that any rate design will enhance the equitable provision of safe, reliable, and affordable water and wastewater services or is in the public interest, the Commission shall enter an order approving such rate design. Requires the Commission to take certain evidence presented by the public utility into account when entering its order. Provides that the Commission may require the public utility, in addition to and as part of the required notice to its customers, to provide a description of any rate design being considered in the proceeding, a statement of the estimated bill impact as a result of rate design approved by the Commission, and any other information that the Commission deems necessary. Provides that the Commission may adopt rules to implement the provisions. Effective immediately.

Amends the Property Tax Code. Provides that, where assessment records are presently maintained in electronic format, the township assessor, multi-township assessor, or chief county assessment officer shall make those records available for immediate public inspection through Internet access. Provides that where assessment records, or some of them, are not presently maintained in electronic format, the township assessor, multi-township assessor, or chief county assessment officer shall convert all assessment records into electronic format and maintain those records in that format. Provides that those records shall be made available for immediate public inspection, preferably through Internet access. Contains provisions concerning requests for assessment records. In provisions providing that property records shall contain the elements (or basis) of valuation and computations that are taken into consideration by the chief county assessment officer in determining the fair cash value of property, provides that those elements include, but are not limited to, capitalization rates and tax loads, rental income data and any adjustments thereto, ratios of expenses to income, net income, vacancy and collection loss, reproduction or replacement cost calculators or manuals, physical, functional, and economic depreciation or obsolescence, and comparable sales and sales adjustment factors. Contains provisions concerning tax objections in the circuit court. Repeals provisions providing that the circuit court shall consider tax objections concerning valuation without regard to the correctness of any practice, procedure, or method of valuation followed by the assessor, board of appeals, or board of review in making or reviewing the assessment, and without regard to the intent or motivation of any assessing official. Effective immediately.