Illinois · Senate Bill 4062 · 104th General Assembly

MUNI CD-IMPACT MITIGATION FEES

  1. Introduced Feb 19, 2026
  2. In committee Feb 19, 2026
  3. Passed the Senate Next
  4. Passed the House  
  5. To the governor  
  6. Became law  

What it does

The legislature's own summary of the bill, or its official long title.

Amends the Illinois Municipal Code. Provides that municipalities authorized to levy impact fees must calculate fees using the statewide formula structure issued by the Department of Commerce and Economic Opportunity. Provides that municipalities may adopt fees lower than the formula-derived levels. Provides that the Department shall issue, update annually, and make publicly available specified mandatory information…

Read the full title (222 words)

Amends the Illinois Municipal Code. Provides that municipalities authorized to levy impact fees must calculate fees using the statewide formula structure issued by the Department of Commerce and Economic Opportunity. Provides that municipalities may adopt fees lower than the formula-derived levels. Provides that the Department shall issue, update annually, and make publicly available specified mandatory information to be used in the calculation of standardized impact mitigation fees. Provides that the Department shall issue a model impact fee ordinance that municipalities authorized to levy impact fees must adopt verbatim or with only technical deviations. Provides that each municipality authorized to levy impact fees must, before imposing any fee, publish a schedule identifying: (1) the formula-generated maximum fee per unit type; (2) the State-issued multipliers and assumptions used; (3) any allowable municipal adjustment factors applied; and (4) any municipal reductions adopted. Provides that municipalities authorized to levy impact fees must annually report to the Department, including: (1) fees collected; (2) fund expenditures; (3) fund balances; (4) number and type of housing units approved; and (5) any use of adjustment factors. Requires the Department to adopt rules to implement the provisions. Provides that, beginning 30 months after the effective date of the amendatory Act, any impact fee imposed on residential development must be calculated in accordance with the provisions. Limits home rule powers. Effective immediately.

Every action

12 steps, oldest first, as the legislature records them.

  1. SenateFiled with Secretary by Sen. Cristina Castro
  2. SenateFirst Reading
  3. CommitteeReferred to Assignments · Senate Assignments
  4. SenateAdded as Chief Co-Sponsor Sen. Robert Peters
  5. SenateAdded as Chief Co-Sponsor Sen. Mattie Hunter
  6. SenateAdded as Chief Co-Sponsor Sen. David Koehler
  7. SenateAdded as Chief Co-Sponsor Sen. Adriane Johnson
  8. SenateAdded as Co-Sponsor Sen. Mark L. Walker
  9. SenateAdded as Co-Sponsor Sen. Sara Feigenholtz
  10. SenateAdded as Co-Sponsor Sen. Javier L. Cervantes
  11. SenateAdded as Co-Sponsor Sen. Laura Ellman
  12. SenateSponsor Removed Sen. Laura Ellman

Roll calls

No recorded votes on this bill yet.

Sponsors

The member who introduced it, joined by 7 cosponsors: 7 Democrats.

All 7 cosponsors

From Illinois's official records (www.ilga.gov), checked Nov 2, 2026. Text links go to the official versions; LegiList does not copy bill text.