Mathmaestro Org

501(c)(3) public charity · Sammamish, WA 98074

501(c)(3) Tax-deductible

EIN 88-3404305

IRS details

EIN
88-3404305
Exempt under
Section 501(c)(3)
Charitable Organization
Foundation status
Publicly supported organization (contributions, fees and gross receipts) – 509(a)(2)
Deductibility
Contributions are deductible
Ruling date
September 2022
Exemption
Unconditional exemption
Organized as
Corporation
Affiliation
Independent organization
Annual return
Form 990-N (e-Postcard) – gross receipts normally $50,000 or less
Fiscal year ends
December
Category (NTEE)
B99 Education N.E.C.
Education

Finances

$0Revenue
$0Total assets
$0Income

From the most recent Form 990-series return (tax period ending December 2025) processed by the IRS.

Address

849 224th Ave NE
Sammamish, WA 98074

Nonprofits in Sammamish · Washington

Verify with the IRS Tax Exempt Organization Search (EIN 88-3404305).

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Questions and answers

What is the EIN of Mathmaestro Org?

Mathmaestro Org has the Employer Identification Number (EIN) 88-3404305.

Is Mathmaestro Org a 501(c)(3) organization?

Yes. The IRS lists Mathmaestro Org as a 501(c)(3) organization (public charity), with a ruling date of September 2022.

Are donations to Mathmaestro Org tax-deductible?

Yes – according to the IRS, contributions to Mathmaestro Org are tax-deductible. Deductibility also depends on your own tax situation.

Where is Mathmaestro Org located?

Mathmaestro Org is registered with the IRS at 849 224th Ave NE, Sammamish, WA 98074.

How much revenue does Mathmaestro Org have?

Mathmaestro Org reported $0 in revenue and $0 in total assets on its most recent Form 990 return (tax period ending December 2025).