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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-3436315

MONTESSORI NORTHWEST FOUNDATION

Tax-exempt · PORTLAND, OR 97205

Address and contacts

Address (IRS master file)
610 SW ALDER STREET SUITE 721, PORTLAND, OR 97205-3625
Mailing address (990-N for 2025)
610 SW ALDER STREET SUITE 721, PORTLAND OR 97205
Principal officer (990-N for 2025)
ANGELIKA STEINBERG, 610 SW ALDER STREET SUITE 721, PORTLAND OR 97205

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 MONTESSORI NORTHWEST FOUNDATION

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

IRS record

EIN
82-3436315
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2018
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B82)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: ANGELIKA STEINBERG
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Angelika Steinberg
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Sarah Werner Andrews
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: SARAH WERNER ANDREWS
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Sarah Werner-Andrew
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: SARAH WERNER-ANDREWS
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: AMY ESHELBY
December 31, 2018≤ $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 82-3436315).

Questions about MONTESSORI NORTHWEST FOUNDATION

What is the EIN of MONTESSORI NORTHWEST FOUNDATION?
The employer identification number (EIN) of MONTESSORI NORTHWEST FOUNDATION is 82-3436315.
Is MONTESSORI NORTHWEST FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to MONTESSORI NORTHWEST FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MONTESSORI NORTHWEST FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MONTESSORI NORTHWEST FOUNDATION 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 MONTESSORI NORTHWEST FOUNDATION 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 MONTESSORI NORTHWEST FOUNDATION?
The 990-N for 2025 names ANGELIKA STEINBERG.

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