DuPage County's effective residential property tax rates of 1.8–2.2% are the lowest of any collar county in the Chicago market. On a $400,000 home, that translates to $7,200–$8,800/year — roughly $1,000–$3,000 less than the same home in Lake County. The market knows this: DuPage County commands higher purchase prices than comparable communities in Will or Kane County precisely because buyers are willing to pay more upfront to reduce ongoing tax obligations.
Have questions about what you're reading? A specialist can walk you through real costs, honest comparisons, and what's actually available right now — free, no obligation.
Talk to a Specialist →DuPage Effective Tax Rate by Home Value
| Purchase Price | Annual Tax (1.8%) | Annual Tax (2.0%) | Annual Tax (2.2%) | Monthly (2.0%) |
|---|---|---|---|---|
| $250,000 | $4,500 | $5,000 | $5,500 | $417 |
| $320,000 | $5,760 | $6,400 | $7,040 | $533 |
| $400,000 | $7,200 | $8,000 | $8,800 | $667 |
| $480,000 | $8,640 | $9,600 | $10,560 | $800 |
| $550,000 | $9,900 | $11,000 | $12,100 | $917 |
DuPage County assesses at 33.33% of market value. Effective rates vary by municipality — Naperville and Downers Grove are generally at the lower end; some smaller townships run slightly higher.
DuPage vs. Neighboring Counties — Same Home Price Comparison
| County | Eff. Rate | Annual Tax on $380K Home | Monthly | vs. DuPage (2.0%) |
|---|---|---|---|---|
| DuPage | ~2.0% | $7,600 | $633 | — |
| Will | ~2.3% | $8,740 | $728 | +$1,140/yr |
| Kane | ~2.4% | $9,120 | $760 | +$1,520/yr |
| McHenry | ~2.2% | $8,360 | $697 | +$760/yr |
| Lake | ~2.5% | $9,500 | $792 | +$1,900/yr |
Ready to move from research to real conversations about this community?
We connect buyers with agents who know this market from the inside — real cost math, honest comparisons, and what's actually happening right now. Every agent is personally vetted by the Nova55Living founder. No scripts, no pressure.
55+ Communities in DuPage County
Senior Freeze in DuPage County
DuPage County's SCAFP deadline is typically July 1st. Apply through the DuPage County Supervisor of Assessments at dupageco.org or call (630) 407-5858. DuPage County has an online application portal and processes applications efficiently. The Senior Homestead Exemption reduces EAV by approximately $5,000 and is applied automatically once established. Stack both programs for maximum benefit.
Interested in DuPage County 55+ Communities?
Connect with a DuPage County buyer agent for current listings, tax history on specific homes, and senior exemption guidance.
Talk to an AgentRelated: Senior Assessment Freeze Guide · Kane County Tax Guide · All Chicago 55+ Communities