Church property tax exemption in Illinois is a religious-purpose exemption under the Illinois Constitution and 35 ILCS 200/15-40. It is not the same path as the charitable exemption in 35 ILCS 200/15-65. Congregations file Illinois Department of Revenue Form PTAX-300-R with the county Board of Review. The Board recommends; the Department of Revenue issues the determination. This 2026 guide explains exclusive (primary) religious use, parsonage and convent residency rules, Cook County extras, and why you must not invent a statewide deadline or filing fee. It is educational, not legal advice.
Introduction: Why Illinois Splits Religious and Charitable Claims
Illinois churches often have both worship and mercy ministries on one campus. The Property Tax Code still splits those theories. Section 15-40 is religious purposes, school and religious purposes, and orphanages. Section 15-65 is charitable purposes. Using charitable facts on a religious application, or filing Form PTAX-300 when the religious form PTAX-300-R is required, is a listed pitfall. The Department of Revenue’s administrative decisions distinguish religious versus charitable theories, including housing that may feel “charitable” but fails § 15-40.
Illinois courts and Department administrative decisions interpret “exclusively” as primary use for religious purposes. The burden is on the applicant. Exemptions are strictly construed. That does not mean a church must prove that nobody ever drank coffee in the narthex. It does mean the applicant must prove primary religious use and must not use the property with a view to profit. Private home chapels and occasional private worship without qualifying public religious use have failed in Illinois appellate discussion of § 15-40. Department PT hearing examples on ownership and use are published through the Illinois Department of Revenue site. Read those themes before you treat a thin affidavit as enough.
Section 15-40(a) also reaches combined school and religious purposes and orphanages, still if not used with a view to profit. A weekday religious school on the same campus as Sunday worship may belong in that combined clause rather than in a strained “worship only” story. Orphanages have their own prong in the same subsection. Neither prong converts a for-profit daycare into a religious exemption. Match the facts to the numbered use in § 15-40(a), then pick PTAX-300-R.
Filing windows follow county Board of Review schedules. The Department of Revenue has not published a single statewide calendar deadline or dollar fee for PTAX-300-R in the research used for this article. Do not invent one. Cook County adds a local complaint form and has a transfer-notice rule in § 15-40(c) when interest in exempt property is transferred.
Legal Foundation: Constitution and 35 ILCS 200/15-40
Illinois Constitution, Article IX, Section 6
Article IX, § 6 says the General Assembly may exempt property used exclusively for (among other things) school, religious, cemetery, and charitable purposes. The constitution lists the classes. It does not self-grant an exemption. The Property Tax Code implements the religious class in § 15-40 and the charitable class in § 15-65.
35 ILCS 200/15-40
Section 15-40 covers religious purposes, orphanages, or school and religious purposes. The research notes Public Act 103-592, effective June 7, 2024, in connection with the current statutory text.
- (a) Property used exclusively for (1) religious purposes, or (2) school and religious purposes, or (3) orphanages, qualifies if not used with a view to profit.
- (b) Housing for ministers (and similar), including convents and monasteries, owned by churches, religious institutions, or denominations and used in conjunction therewith, also qualifies. A parsonage, convent, or monastery is treated as exclusively used for religious purposes when residents must reside there as a condition of employment or association.
- (c) Cook County transfer-notice requirement when interest in exempt property is transferred.
Department materials citing case law describe a stated place for public worship, Sunday schools, and religious instruction as the Illinois Supreme Court framing of religious-purpose property. Combined school and religious uses, and orphanages, sit in § 15-40(a). Partial-year exemption is possible when exempt use begins mid-year; administrative decisions have granted a percentage-of-year exemption.
Separate Charitable Path: 35 ILCS 200/15-65
Section 15-65 is charitable purposes. It is a distinct statutory path. Do not conflate it with § 15-40. A food pantry or thrift operation may need a charitable analysis. A sanctuary needs a religious analysis. Some campuses need both statutes on different parcels or different theories. Match the form to the statute: religious uses use PTAX-300-R; non-religious non-homestead exemptions use PTAX-300.
| Source | What it does |
|---|---|
| Ill. Const. art. IX, § 6 | Authorizes exemption of property used exclusively for school, religious, cemetery, and charitable purposes |
| 35 ILCS 200/15-40 | Religious purposes; school and religious purposes; orphanages; parsonage/convent condition; Cook County transfer notice |
| 35 ILCS 200/15-65 | Charitable purposes — separate path |
| PTAX-300-R | Religious property tax exemption application (Board of Review statement of facts) |
| PTAX-300 | Non-religious non-homestead exemptions — do not use for religious claims |
- Ill. Const. art. IX, § 6 — ilga.gov constitution Article IX
- 35 ILCS 200/15-40 — statutory religious exemption
- Property Tax Code Art. 15 — exemptions index
What Property Qualifies
Property used exclusively (primarily) for religious purposes can qualify if it is not used with a view to profit. Combined school and religious uses qualify under § 15-40(a). Orphanages are in the same subsection. Parsonages, convents, monasteries, and similar housing for ministers, officials, and persons engaged in religious activities qualify when ownership and the residency-condition tests in § 15-40(b) are met.
The public-worship framing in Department PT decisions citing case law is practical: a stated place for public worship, Sunday schools, and religious instruction. A congregation that can show that primary use, without a view to profit, is on the statutory path. Proof of ownership and use for the tax year at issue is required. Failure of that proof is a listed trap.
Example 1: Public worship campus with Sunday school
Scenario: An Illinois church owns a sanctuary and classrooms used for public worship, Sunday school, and religious instruction. No commercial tenant. The property is not used with a view to profit.
Keep the affidavit of use tied to the tax year. Illinois looks at the year at issue. A new purchase mid-year may support a partial-year exemption in administrative decisions that grant a percentage-of-year exemption when exempt use begins mid-year.
Example 2: Parsonage with a residency condition of employment
Scenario: The church owns a house. The called pastor must live there as a condition of employment. The house is used in conjunction with the church. It is not a guest rental.
If residents are not required to live there as a condition of employment or association, § 15-40(b)’s special treatment may not apply. That is the hinge the Department and courts look at.
- 35 ILCS 200/15-40(a)–(b) — religious use and parsonage/convent rules
- Sample PTAX-300-R (county-hosted IDOR form) — Kane County hosted form
What Does Not Qualify
Private home chapels and occasional private worship without qualifying public religious use have been discussed as failures under § 15-40 in Illinois appellate materials. Housing used for non-ministerial or non-conditioned residency — for example, temporary housing of non-qualifying families — may fail § 15-40 even if “charitable” in spirit. Department PT decisions distinguish religious versus charitable theories. Use with a view to profit fails § 15-40(a). Claiming charitable § 15-65 facts on a religious § 15-40 application without matching the correct statute and form is a process error. Failure of ownership or use proof for the tax year at issue is a proof error.
Example 3: Private chapel in a personal residence
Scenario: A family sets aside a room in a privately owned home for occasional worship and asks for a religious property tax exemption on the whole house.
Illinois religious exemption is not a decorating choice in a living room. It is primary religious use of property, typically framed as public worship, Sunday schools, and religious instruction, without a view to profit.
Example 4: Temporary family housing that fails the parsonage condition
Scenario: A church owns a house. It lets non-staff families stay there temporarily as a kindness. Nobody is required to reside there as a condition of employment or association. The church files PTAX-300-R calling the house a parsonage, or alternatively argues it is “charitable.”
Kindness is not a statutory class. Section 15-40(b) is a residency-condition class. Section 15-65 is a charitable class. Pick the one that matches the facts, if either does.
How to Apply: PTAX-300-R, Board of Review, Department of Revenue
File Illinois Department of Revenue Form PTAX-300-R (Application for Religious Property Tax Exemption — County Board of Review Statement of Facts) with the county Board of Review where the property is located. For non-religious non-homestead exemptions use PTAX-300. Religious uses use PTAX-300-R.
Cook County: the Board of Review also requires its local complaint form in addition to PTAX-300-R. Cook County transfer-notice rules under § 15-40(c) apply when interest in exempt property is transferred.
Typical attachments listed on PTAX-300-R instructions include proof of ownership, a picture of the property, a notarized affidavit of use, and copies of leases or contracts. Follow the current instructions rather than last year’s memory. The picture and the affidavit are not decorations. They are how the Board of Review writes a statement of facts the Department of Revenue can adopt or reject. If a lease exists, attach it. Silence about a lease is worse than a lease that requires a split analysis.
The Board of Review recommends. The Illinois Department of Revenue issues the determination. That two-step structure is easy to miss. A friendly Board conversation is not the Department’s order. An applicant may request a formal administrative hearing on denial. Hearing examples in the PT series appear through the Department’s site. Filing windows follow county Board of Review schedules. Verify dates with the county Board of Review. Do not invent a statewide dollar fee or a single calendar deadline not published by DOR for this form. Cook County filers must add the local complaint form and must watch § 15-40(c) when exempt property is transferred.
| Step | What Illinois sources say |
|---|---|
| Form | PTAX-300-R for religious claims; PTAX-300 for non-religious non-homestead |
| Where to file | County Board of Review |
| Cook County extra | Local complaint form in addition to PTAX-300-R; § 15-40(c) transfer notice |
| Who decides | Board of Review recommends; IDOR issues the determination |
| Denial | Applicant may request a formal administrative hearing |
| Deadline / fee | County Board of Review calendars; do not invent a statewide fee or date |
- Sample PTAX-300-R — Kane County hosted IDOR form
- IDOR administrative hearings / PT series — tax.illinois.gov
Key Limits: No Acreage Cap, Primary Use, No View to Profit
Section 15-40 contains no acreage or assessed-value cap. Do not invent one. The published limits are exclusive (primary) religious use, not used with a view to profit, and the parsonage residency condition in § 15-40(b). Cook County transfer notice rules apply under § 15-40(c).
No statewide official count of church-exempt parcels was located in the .gov sources used for this research. County assessment abstracts or DOR publications would be needed for volume statistics. That absence is a research fact, not a license to invent a statewide church-count. If a board wants a volume statistic, ask the county assessment office for the local abstract rather than quoting a national blog.
Cook County’s extra steps deserve a calendar of their own. The local Board of Review complaint form is in addition to PTAX-300-R. Section 15-40(c) requires a transfer notice when interest in exempt property is transferred. A downstate church that copies a Cook packet, or a Cook church that files only PTAX-300-R, is using the wrong overlay. Confirm both layers with the Cook County Board of Review before the local window closes.
| Limit | What § 15-40 publishes |
|---|---|
| Acreage cap | None |
| Assessed-value cap | None |
| Use test | Exclusive (primary) religious use; not used with a view to profit |
| Parsonage / convent / monastery | Residency as a condition of employment or association |
| Cook County | Transfer notice when interest in exempt property is transferred (§ 15-40(c)) |
Two End-to-End Scenarios
Scenario A: Downstate church, first PTAX-300-R
Facts: A congregation outside Cook County buys a sanctuary in March and begins public worship in April. It also owns a parsonage that the pastor must occupy as a condition of employment.
Write the affidavit of use in plain language that tracks § 15-40: public worship, Sunday school, religious instruction, no view to profit, and the parsonage occupancy condition.
Scenario B: Cook County campus with a transfer and a mixed ministry house
Facts: A Cook County church already has exempt sanctuary property. It transfers an interest in that exempt property. It also owns a house used to shelter families who are not required to live there as a condition of church employment. The business administrator files only PTAX-300 and skips the Board of Review local complaint form.
Cook County is not a copy of downstate procedure. The extra local form and § 15-40(c) are statutory and local overlays on the same religious exemption.
Frequently Asked Questions
Is “exclusively” a zero-tolerance word in Illinois?
Illinois courts and Department decisions interpret “exclusively” as primary use for religious purposes. Exemptions are strictly construed. Read primary-use case law rather than assuming any incidental nonreligious moment destroys the claim, or that any religious label saves it.
What form do churches use?
PTAX-300-R. PTAX-300 is for non-religious non-homestead exemptions.
Is there a statewide filing date or fee?
Filing windows follow county Board of Review schedules. Do not invent a statewide dollar fee or single calendar deadline not published by DOR for this form. Verify with the county Board of Review.
Does a convent use the same rule as a parsonage?
Yes, under § 15-40(b), when owned by a church, religious institution, or denomination, used in conjunction therewith, and residents must reside there as a condition of employment or association.
Can exemption start mid-year?
Administrative decisions have granted percentage-of-year exemption when exempt use begins mid-year. That is an administrative-decision theme, not a number this article invents.
Is there an acreage cap?
No acreage or assessed-value cap is in § 15-40.
How to Verify Current Law
- Read Ill. Const. art. IX, § 6.
- Read 35 ILCS 200/15-40 (note P.A. 103-592, eff. 6-7-24 on the statutory publication used in research).
- Scan Property Tax Code Article 15, including § 15-65, on the ILCS exemptions index.
- Download current PTAX-300-R. A county-hosted copy is at the Kane County assessments site; confirm it matches IDOR’s current form.
- Call the county Board of Review for dates. Cook County filers ask for the local complaint form and transfer-notice procedure. Review IDOR PT hearings at tax.illinois.gov.
Conclusion
Church property tax exemption in Illinois is 35 ILCS 200/15-40, authorized by Article IX, § 6. File PTAX-300-R with the county Board of Review. The Department of Revenue decides. Religious claims are not charitable § 15-65 claims. Parsonages and convents turn on a residency condition of employment or association. There is no acreage cap in § 15-40. There is no statewide deadline or fee to invent. Cook County adds a local form and a transfer notice. Strict construction and the applicant’s burden are the litigation themes.
Prove primary religious use without a view to profit for the tax year at issue. Use the right form. Follow the Board of Review calendar you can actually print from your county.
Complete Reference List
All URLs below are the government sources used for this article. Research as-of 2 September 2026.
- Ill. Const. art. IX, § 6 — https://www.ilga.gov/commission/lrb/con9.htm
- 35 ILCS 200/15-40 — https://ilga.gov/Documents/legislation/ilcs/documents/003502000K15-40.htm
- Property Tax Code Art. 15 (exemptions index) — https://ilga.gov/legislation/ilcs/ilcs4.asp?DocName=003502000HArt%2E+15&ActID=596&ChapterID=8&SeqStart=38200000&SeqEnd=43500000
- Sample PTAX-300-R (county-hosted IDOR form) — https://assessments.kanecountyil.gov/Documents/Non%20Homestead%20Exemption%20Forms/PTAX-300-R.pdf
- IDOR administrative hearings (religious ownership/use; PT series) — https://tax.illinois.gov/
- 35 ILCS 200/15-65 — separate charitable exemption (Property Tax Code Art. 15 listing)