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Nonprofit · EIN 88-3598226

5WAVES INC

Tax-exempt · HILLSDALE, NY 12529

Address and contacts

Address (IRS master file)
PO BOX 40, HILLSDALE, NY 12529-0040
In care of
% MARIA LEET SOCOLOFF
Mailing address (990-N for 2025)
69 Bogart Ave, Port Washington NY 11050
Principal officer (990-N for 2025)
Maria Socolof, 69 Bogart Ave, Port Washington NY 11050

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

IRS record

EIN
88-3598226
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
2024
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Maria Socolof
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Maria Socolof
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Maria Socolof
December 31, 2023≤ $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 88-3598226).

Questions about 5WAVES INC

What is the EIN of 5WAVES INC?
The employer identification number (EIN) of 5WAVES INC is 88-3598226.
Is 5WAVES INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to 5WAVES INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does 5WAVES INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of 5WAVES 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 5WAVES 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 5WAVES INC?
The 990-N for 2025 names Maria Socolof.

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