MUNICIPAL POLICY · PROPERTY TAXES

Naperville Property Taxes: DuPage County vs. Will County Guide

Dan Firks
Dan Firks
Managing Broker · Lead · Coldwell Banker Realty
Published: October 2026
Reading Time: 8 min read
Naperville bridge and welcome sign over the waterway

Naperville bridge and welcome sign over the waterway (Photo credit: CommunityClips / Dan Firks Team Archives)

Bottom-Line Upfront · Key Takeaway

Naperville is split between two counties: DuPage to the north and central, and Will to the south. While Will County tax bills often show a slightly higher composite rate due to newer school district capital construction bonds in District 204, home prices in South Naperville often offer newer construction and larger square footage for the same budget, balancing your monthly payment.

  • •DuPage County effective property tax rate averages 2.05% to 2.25% across Lisle, Naperville, and Winfield townships.
  • •Will County effective property tax rate averages 2.25% to 2.58% across Wheatland and DuPage townships.
  • •School districts represent 72% to 75% of your entire property tax bill in both counties.
  • •General Homestead Exemptions and Senior Citizen Assessment Freezes apply across both jurisdictions with county-specific filing deadlines.
~2.15%
DuPage Effective Rate
Lisle & Naperville Townships
~2.42%
Will Effective Rate
Wheatland Township
73.5%
School Share of Bill
Funds D203 & D204
4 Years
Reassessment Cycle
Quadrennial cycle in Illinois

The Geographic Divide: DuPage County vs. Will County

Naperville is one of the few prominent cities in Illinois that spans two distinct county governments. Generally, properties north of 87th Street fall within DuPage County, while neighborhoods south of 87th Street or along the 95th Street commercial corridor fall into Will County.

When prospective home buyers search Naperville real estate, property tax rates frequently spark confusion. Buyers notice two homes with identical $700,000 asking prices: one carrying a $14,800 tax bill in DuPage, and another carrying a $16,500 tax bill in Will County.

Understanding why this differential exists is essential for making an informed long-term relocation choice.

Where Your Tax Dollars Go: Breakdown of Taxing Bodies

A common misunderstanding is that the City of Naperville municipal government consumes the lion's share of property taxes. In reality, the municipal government accounts for less than 10% of your total property tax bill.

The vast majority of property tax revenue goes toward your local school district: Naperville Community Unit School District 203 or Indian Prairie School District 204. District 204, which covers much of Will County Naperville as well as parts of Aurora and Plainfield, was built out rapidly during the 1990s and 2000s, incurring capital facility bonds to build modern high schools such as Neuqua Valley and Metea Valley.

As these school building bonds mature and retire over the coming decade, the tax rate differential between the two counties continues to narrow.

Township Tax Rate Comparison (Representative $650,000 Home)
Township / CountyPrimary High SchoolComposite Tax RateEstimated Annual TaxKey Tax Advantage
Naperville Township (DuPage)Naperville Central / North6.72% (Equalized)$13,850Mature bond debt, historic downtown walkability
Lisle Township (DuPage)Naperville North6.85% (Equalized)$14,100Proximity to I-88 corporate corridor & train
Wheatland Township (Will)Neuqua Valley / Waubonsie7.45% (Equalized)$15,400Newer homes, larger lot sizes, resort pools
DuPage Township (Will)Metea / Waubonsie Valley7.52% (Equalized)$15,650Modern construction, 95th St library access

Homeowner Exemptions and Appealing Your Assessment

Every owner-occupied primary residence in Naperville qualifies for the General Homestead Exemption, which deducts equalized assessed value prior to computing your tax liability. Senior citizens aged 65 and older qualify for the Senior Citizen Homestead Exemption as well as the Senior Assessment Freeze.

Property taxes in Illinois can be formally appealed each year following the publication of assessment rolls. Dan Firks and Chris Salas frequently connect clients with trusted local real estate tax attorneys who appeal assessments on a contingency basis, ensuring homeowners never pay more than their fair share.

Frequently Asked Questions

Q:Is it cheaper to buy in DuPage County or Will County Naperville?

DuPage County has slightly lower annual property taxes, but Will County homes generally offer newer construction, larger square footage, and bigger yards for the same purchase price.

Q:Can I appeal my property taxes in Naperville?

Yes. Property owners have 30 days following the publication of their township assessment roll each summer or fall to file an appeal with the County Board of Review.

Q:Do seniors get a property tax break in Naperville?

Yes. Qualifying seniors aged 65 and older can apply for the Senior Homestead Exemption and the Senior Freeze Exemption, which freezes the taxable assessed value of the home.

Local Real Estate Advisory

Thinking About a Move to Naperville?

Dan Firks and Chris Salas provide confidential real estate advisory, school boundary verification, and private home tours across Naperville. Over 25 years and $800M+ in residential sales.

The Dan Firks & Chris Salas Real Estate Team · Coldwell Banker Realty · 55 S Main St Suite 250, Naperville, IL 60540 · (630) 357-6100

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