Powers Of The City Council  

    (65 ILCS 20/21-13) (from Ch. 24, par. 21-13)
    Sec. 21-13. Powers.
    The city council shall continue to have all the powers, obligations and duties vested in and imposed upon such body by the other articles of this Act, except so far as altered or modified by the provisions of this article.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-14) (from Ch. 24, par. 21-14)
    Sec. 21-14. Member residency before election; member not to hold other office.
    (a) No member may be elected or appointed to the city council after the effective date of this amendatory Act of the 93rd General Assembly unless he or she has resided in the ward he or she seeks to represent at least one year next preceding the date of the election or appointment. In the election following redistricting, a candidate for alderman may be elected from any ward containing a part of the ward in which he or she resided for at least one year next preceding the election that follows the redistricting, and, if elected, that person may be reelected from the new ward he or she represents if he or she resides in that ward for at least one year next preceding the reelection.
    (b) No member of the city council shall at the same time hold any other civil service office under the federal, state or city government, except if such member is granted a leave of absence from such civil service office, or except in the National Guard, or as a notary public, and except such honorary offices as go by appointment without compensation.
(Source: P.A. 93-847, eff. 7-30-04.)

    (65 ILCS 20/21-15) (from Ch. 24, par. 21-15)
    Sec. 21-15. Mayor may submit substitute ordinance.
    If any ordinance of the city council be returned by the mayor to the council without his approval, the mayor may submit with the message stating his objections thereto, a substitute ordinance, and after the vote by which the original ordinance was passed is reconsidered, then, if no motion be made to pass such original ordinance, the veto of the mayor to the contrary notwithstanding, or if such motion be made and fails of adoption, such substitute ordinance may forthwith be considered, unless two members of the council demand the reference of such substitute ordinance to a committee and if such demand be made, such substitute ordinance shall be so referred unless two-thirds of the members of such council vote in favor of immediate consideration thereof, and if such ordinance receives the affirmative vote of a majority of all members of the council present and voting, shall take effect and be in force in lieu of such vetoed ordinance.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-16) (from Ch. 24, par. 21-16)
    Sec. 21-16. Veto by mayor.
    Upon the veto of any ordinance by the mayor, if two-thirds of all the members elected to the city council fail to pass the same, the veto of the mayor to the contrary notwithstanding, said ordinance shall not again be considered, unless or until introduced as an original ordinance, at a subsequent meeting. But this Section shall not be construed to prevent the introduction and consideration of a substitute or amended ordinance.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-17) (from Ch. 24, par. 21-17)
    Sec. 21-17. Powers - Use of space over streets.
    The city council may also regulate the use of space over streets, alleys and public places of the city, and upon payment of proper compensation, to be fixed by ordinance, may permit the use of the space more than twelve feet above the level thereof.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-18) (from Ch. 24, par. 21-18)
    Sec. 21-18. May acquire parks.
    The city of Chicago may acquire, by purchase or otherwise, municipal parks, play grounds, public beaches and bathing places, and improve, equip, maintain and regulate the same.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-19) (from Ch. 24, par. 21-19)
    Sec. 21-19. Eminent domain.
    The city may exercise the right of eminent domain by condemnation proceedings in conformity with the provisions of the constitution and statutes of the State of Illinois for the acquirement of property useful, advantageous or desirable for municipal purposes or public welfare.
(Source: Laws 1947, p. 497.)

    (65 ILCS 20/21-19.5)
    Sec. 21-19.5. Eminent domain. Notwithstanding any other provision of this Act, any power granted under this Act to acquire property by condemnation or eminent domain is subject to, and shall be exercised in accordance with, the Eminent Domain Act.
(Source: P.A. 94-1055, eff. 1-1-07.)

    (65 ILCS 20/21-20) (from Ch. 24, par. 21-20)
    Sec. 21-20. Abate nuisances - Regulate hospitals.
    The city council shall by ordinance, be empowered to declare and define nuisances and abate the same, and shall have the power to regulate the location and conduct of hospitals and infirmaries.
(Source: Laws 1941, vol. 2, p. 19.)

    (65 ILCS 20/21-21) (from Ch. 24, par. 21-21)
    Sec. 21-21. Excess condemnation. In any case brought under the statutes of the State of Illinois for the acquirement of property through the exercise of the right of eminent domain, whether the same is done in connection with a local improvement or otherwise, it shall be lawful for the city of Chicago to take a fee simple and to hold, lease or sell more land than is needed for public improvement whenever the court in which the proceedings have been instituted finds that such excess land is required to protect, preserve or aid the improvement and is reasonable in quantity therefor.
(Source: Laws 1941, vol. 2, p. 19.)