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Nonprofit · EIN 81-4517857

INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION

Also known as ISUT

Tax-exempt · BOULDER, CO 80308

Address and contacts

Address (IRS master file)
PO BOX 18390, BOULDER, CO 80308-0000
Mailing address (990-N for 2022)
PO Box 18390, Boulder CO 80308
Principal officer (990-N for 2022)
Daniel M Gnatz, 5578 Stonewall Pl, Boulder CO 80303

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026Not on file
2023September 30, 2024February 18, 2025Not on file

IRS record

EIN
81-4517857
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2017
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2022
Officer: Daniel M Gnatz
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Daniel Gnatz
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Daniel Gnatz
September 30, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 81-4517857).

Questions about INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION

What is the EIN of INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION?
The employer identification number (EIN) of INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION is 81-4517857.
Is INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
Are donations to INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2022 for the year ended September 30, 2023.
Who is the principal officer of INSTITUTE FOR SUSTANABLE URBAN TRANSFORMATION?
The 990-N for 2022 names Daniel M Gnatz.

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