FAQs • Deerfield, IL • CivicEngage

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Finance - General Operations

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1. What is the Finance Department's phone number?: Residents may contact the Finance Department by calling 847-945-5000.

2. What is the sales tax rate in Deerfield?: Sales tax rates vary depending on the county. Determine the current sales tax rates by using the Illinois Department of Revenue’s Tax Rate Finder.

3. What rates do I pay for water and sewer?

Water and sewer customers pay the following rates for 2020:

Water: $5.45 per hundred cubic feet (1 unit)

Sewer: $3.55 per hundred cubic feet (1 unit)

4. What is 1 unit?: 748 gallons.