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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-1883864

AMERICAN SOCIETY OF PLUMBING ENGINEERS

Also known as WISCONSIN CHAPTER

Tax-exempt (reinstated) · WAUWATOSA, WI 53213

Address and contacts

Address (IRS master file)
PO BOX 13593, WAUWATOSA, WI 53213-0593
In care of
% JAMES DELAIN
Mailing address (990-N for 2025)
PO BOX 13593, Wauwatosa WI 53213
Principal officer (990-N for 2025)
Mark Dahl, 3655 North 124th Street, Brookfield WI 53005

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024Check at the IRS

File the 2026 990-N for AMERICAN SOCIETY OF PLUMBING ENGINEERS

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1883864
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2025
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
November 15, 2012
Posted by the IRS
March 11, 2013
Reinstated
Effective November 15, 2012

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Mark Dahl
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Mark Dahl
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2008
Officer: Joe Herkowski
June 30, 2009≤ $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 39-1883864).

Questions about AMERICAN SOCIETY OF PLUMBING ENGINEERS

What is the EIN of AMERICAN SOCIETY OF PLUMBING ENGINEERS?
The employer identification number (EIN) of AMERICAN SOCIETY OF PLUMBING ENGINEERS is 39-1883864.
Is AMERICAN SOCIETY OF PLUMBING ENGINEERS tax-exempt?
Yes. The IRS revoked its exemption on November 15, 2012 and reinstated it effective November 15, 2012.
Are donations to AMERICAN SOCIETY OF PLUMBING ENGINEERS tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does AMERICAN SOCIETY OF PLUMBING ENGINEERS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AMERICAN SOCIETY OF PLUMBING ENGINEERS due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN SOCIETY OF PLUMBING ENGINEERS last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of AMERICAN SOCIETY OF PLUMBING ENGINEERS?
The 990-N for 2025 names Mark Dahl.

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