Homeowners in Cook County have until Monday to pay their property taxes, according to the Cook County Treasurer. Late checks for the second payment of property owners' 2003 tax bills will result in a 1.5 percent charge for each month they're overdue.

Mailed payments must be postmarked no later than Monday. Property owners also can pay online at www.cookcountytreasurer.com, at the treasurer's office or at 138 LaSalle Bank locations.

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