Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-1870075

BROWN DEER FOUNDATION INC

Tax-exempt · MILWAUKEE, WI 53224

Address and contacts

Address (IRS master file)
PO BOX 240814, MILWAUKEE, WI 53224-9022
In care of
% SUSAN HUDSON
Mailing address (990-N for 2025)
PO Box 240814, Brown Deer WI 53224
Principal officer (990-N for 2025)
Rob Guilbert, PO Box 240814, Brown Deer WI 53224

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

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for BROWN DEER FOUNDATION INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1870075
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
1997
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Rob Guilbert
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Rob Guilbert
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Rob Guilbert
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Margaret Jaberg
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: SUSAN HUDSON
December 31, 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 39-1870075).

Questions about BROWN DEER FOUNDATION INC

What is the EIN of BROWN DEER FOUNDATION INC?
The employer identification number (EIN) of BROWN DEER FOUNDATION INC is 39-1870075.
Is BROWN DEER FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
Are donations to BROWN DEER FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BROWN DEER FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BROWN DEER FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did BROWN DEER FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of BROWN DEER FOUNDATION INC?
The 990-N for 2025 names Rob Guilbert.

Other nonprofits in MILWAUKEE

All nonprofits in MILWAUKEE · Wisconsin · Philanthropy, voluntarism and grantmaking foundations