Question 1

Is Karen Sack MBR a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Karen Sack MBR is recognised by the IRS as a 501(c)(3) organisation (EIN 83-3580499). The IRS recognised Karen Sack MBR as tax-exempt in November 2019.

Question 2

What is Karen Sack MBR's EIN?

Accepted Answer

Karen Sack MBR's Employer Identification Number (EIN) is 83-3580499. The EIN was assigned by the IRS in November 2019. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Karen Sack MBR do?

Accepted Answer

Everything we do is designed to protect at least 30 percent of the ocean by 2030

Question 4

Where is Karen Sack MBR located?

Accepted Answer

Karen Sack MBR is located at 2336 Wisconsin Ave NW 32043, Washington, DC, 20007.

Question 5

When was Karen Sack MBR founded or recognised by the IRS?

Accepted Answer

Karen Sack MBR was recognised by the IRS as a tax-exempt organisation in November 2019. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Karen Sack MBR's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Karen Sack MBR reported $11.3M in total revenue and $9.8M in total expenses.

Question 7

Has Karen Sack MBR been auto-revoked by the IRS?

Accepted Answer

No — Karen Sack MBR (EIN 83-3580499) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Karen Sack MBR listed in IRS Publication 78?

Accepted Answer

Yes — Karen Sack MBR is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Karen Sack MBR

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