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DuPage County · Illinois

Bloomingdale Township property tax appeals

A Bloomingdale Township property tax appeal starts with the DuPage County Board of Review, then the Illinois Property Tax Appeal Board. We are still checking this season's dates against official sources, so confirm the deadline on your assessment notice or the office's website.

Source: DuPage County Board of ReviewLast checked

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Enter the address or parcel number from your notice. We compare the assessment with similar homes and show the numbers, whatever they are. You decide and file yourself.

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DuPage County Board of Review
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  • Independent guide — not affiliated with Bloomingdale, DuPage County or any government agency.
Last updated
October 1, 2026
Sources last checked
October 3, 2026
Status
Verified guide

How we verify facts

When and where do I file a Bloomingdale Township property tax appeal?

Who hears a Bloomingdale Township appeal?

The stages in order. We are not affiliated with any of these offices.

  1. DuPage County Board of Review

    Filing: complaint

    Official site

  2. Illinois Property Tax Appeal Board

    Filing: appeal

    Official site

When is the Bloomingdale appeal deadline?

Newspaper: Bloomingdale Township's 2026 changed assessments were published September 25, 2026 in the Addison and Carol Stream Suburban Life; the appeal window opened September 26.

Deadline detailNewspaper
Bloomingdale Township's 2026 changed assessments were published September 25, 2026 in the Addison and Carol Stream Suburban Life; the appeal window opened September 26.[1]

How do I file a property tax appeal in Bloomingdale?

Bloomingdale Township owners can review their record card, neighbors' assessments and sales at the township office; a deputy assessor will go over it and correct errors on the spot.

Informal review
Bloomingdale Township owners can review their record card, neighbors' assessments and sales at the township office; a deputy assessor will go over it and correct errors on the spot.[1]

Who can answer questions about my assessment?

Address: The Bloomingdale Township Assessor's office is at 6N050 Rosedale Ave, Bloomingdale, IL 60108. Hours: The Bloomingdale Township Assessor's office is open Monday to Friday, 8:30 a.m. to 4:30 p.m. (closed 12 to 1:15 p.m.); call ahead for an appointment.

ContactAddress
The Bloomingdale Township Assessor's office is at 6N050 Rosedale Ave, Bloomingdale, IL 60108.[2]
ContactHours
The Bloomingdale Township Assessor's office is open Monday to Friday, 8:30 a.m. to 4:30 p.m. (closed 12 to 1:15 p.m.); call ahead for an appointment.[2]
ContactOffice
Phone the Bloomingdale Township Assessor's office at 630-307-6000 or e-mail info@bloomingdaletownshipassessor.com.[2]
ContactWebsite
The Bloomingdale Township Assessor's website is bloomingdaletownshipassessor.com (mybtao.com).[2]

Upcoming appeal deadlines in every county we track

What do Bloomingdale Township property taxes and assessments look like?

Figures from public records and the Census, each with its source. They describe the county's homes as a group, not the value of any one home.

How often is property reassessed in Bloomingdale?

Bloomingdale Township's next general reassessment (quadrennial) is 2027; the previous one was 2023. Township multiplier: The 2026 county equalization factor for Bloomingdale Township (DuPage County) is 1.0793 (+7.93%).

Reassessment cycle
Bloomingdale Township's next general reassessment (quadrennial) is 2027; the previous one was 2023.[2]
State equalization factorTownship multiplier
The 2026 county equalization factor for Bloomingdale Township (DuPage County) is 1.0793 (+7.93%).[2]

What do home values and property taxes look like in Bloomingdale?

Every Bloomingdale Township (DuPage County) parcel number begins with 02.

Parcel number (PIN) prefix
Every Bloomingdale Township (DuPage County) parcel number begins with 02.[2]

Other places nearby

Illinois property tax appeals: all counties

Where do these facts come from?

  1. [1]Appeals - Bloomingdale Township Assessor’s OfficeOfficial guide or FAQ · last checked Oct 1, 2026
  2. [2]Bloomingdale Township Assessor’s Office | DuPage County, ILOfficial guide or FAQ · last checked Oct 1, 2026
  3. 3.County open data: dupage assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  4. 4.County open data: dupage assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  5. 5.County open data: dupage parcelsRetrieved Sep 27, 2026; aggregated by us for the charts above.

Not affiliated with Bloomingdale Township or any government agency. Not legal advice. Not an appraisal.

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