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Library Hours:
M-Th 9am-9pm
Fri/Sat 9am-5pm
Sun 1pm-5pm


Logo that reads, "FOCUS on the future."

New Library on November 8 Ballot -
Learn the Facts

Calculate Your Tax Impact

Find your tax bill and calculate your personal investment.


Read answers to some of the most frequently asked questions about the Advisory Referendum.

Take the Tour...

Take a self-guided tour at the Library to see a model of the proposed building and challenges with the current building.

Architect's Renderings of New Building

Fall Funday
Sunday, October 23
1:00 - 4:00 pm

A LEGO Extravaganza will be at the Crystal Lake Public Library on Sunday October 23 - Fall Funday

Join us for a Sunday "funday" of fall events for the entire family, including autumn flower arrangements, coloring pages for children and adults, embroidery, 3-D printer demonstration, OZO Bots, CL Police and Fire Departments, Devil in the White City and Cubs book talks, chess, Miss Teen McHenry County, LEGO, music by the Kishwaukee Ramblers and more.