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Nonprofit · EIN 88-3110413

MUSTANG MATH

Tax-exempt · REDMOND, WA 98053

Address and contacts

Address (IRS master file)
8139 231ST PL NE, REDMOND, WA 98053-1993
Mailing address (990-N for 2024)
8139 231st Place NE, Redmond WA 98053
Principal officer (990-N for 2024)
Arpit Ranasaria, 8139 231st Place NE, Redmond WA 98053

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

Tax yearYear endedDueIRS public records
2025July 31, 2026December 15, 2026Not due yet
2024July 31, 2025December 15, 2025990-N on file
2023July 31, 2024December 16, 2024990-N on file

IRS record

EIN
88-3110413
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
2022
Accounting year ends
July
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B90)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Arpit Ranasaria
July 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Arpit Ranasaria
July 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Arpit Ranasaria
July 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Arpit Ranasaria
July 31, 2022≤ $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 88-3110413).

Questions about MUSTANG MATH

What is the EIN of MUSTANG MATH?
The employer identification number (EIN) of MUSTANG MATH is 88-3110413.
Is MUSTANG MATH tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
Are donations to MUSTANG MATH tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MUSTANG MATH file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MUSTANG MATH due?
The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MUSTANG MATH last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended July 31, 2025.
Who is the principal officer of MUSTANG MATH?
The 990-N for 2024 names Arpit Ranasaria.

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