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Nonprofit · EIN 04-2767435

ISLAMIC SOCIETY OF BOSTON

Tax-exempt · CAMBRIDGE, MA 02139

Address and contacts

Address (IRS master file)
204 PROSPECT ST, CAMBRIDGE, MA 02139-1218

What it must file and when

IRS records say it files Not required (church). Churches are not required to file. 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, 2026Not on file
2024December 31, 2024May 15, 2025Check at the IRS
2023December 31, 2023May 15, 2024Check at the IRS

IRS record

EIN
04-2767435
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Church
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1983
Accounting year ends
December
Files
Not required (church)
Category (NTEE)
Religion-related (X40)

Filing history

No e-filed return or e-Postcard in the IRS public files.

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 04-2767435).

Questions about ISLAMIC SOCIETY OF BOSTON

What is the EIN of ISLAMIC SOCIETY OF BOSTON?
The employer identification number (EIN) of ISLAMIC SOCIETY OF BOSTON is 04-2767435.
Is ISLAMIC SOCIETY OF BOSTON tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1983.
Are donations to ISLAMIC SOCIETY OF BOSTON tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ISLAMIC SOCIETY OF BOSTON file?
Form Not required (church). Churches are not required to file.
When is the next return of ISLAMIC SOCIETY OF BOSTON due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ISLAMIC SOCIETY OF BOSTON last file with the IRS?
There is no e-filed return or e-Postcard for it in the IRS public files.

Other nonprofits in CAMBRIDGE

All nonprofits in CAMBRIDGE · Massachusetts · Religion-related