Events include the annual parade at the Little Village Arch on Sunday and the El Grito celebration in Pilsen on Monday. They celebrate the anniversary of the start of Mexico’s decade-long fight for independence from Spain.

About 20% of Chicagoans claim Mexican heritage, according to U.S. census data. That’s a distinction that makes itself especially evident every September when people celebrate Mexican Independence Day.

Teresa Fraga of the Pilsen Neighbors Community Council has been a homeowner in Pilsen for the last 43 years. She said she was expecting a $2,500 bill in December but instead received one for $14,279.