Gustavus & Louise Pfeiffer in Wilmington, Delaware (DE)

Employer Identification Number (EIN)	13-6086299
Name of Organization	Gustavus & Louise Pfeiffer
In Care of Name	Foundation Source
Previous Names	Gustavus & Louise Pfeifer (2005 - 2012)
Address	Foundation Source 501 Silverside Rd, Wilmington, DE 19809
Previous Addresses	501 Silverside Rd, Wilmington, DE 19809-1374 (2016 - 2019) Po Box 992, Bangor, ME 04402-0992 (2015) Po Box 765, Short Hills, NJ 07078-0765 (2013) 2511 Huntington Dr, San Marino, CA 91108-2603 (2012) Po Box 765, Short Hills, NJ 07078-0765 (2011) 2511 Huntington Dr, San Marino, CA 91108-2603 (2005 - 2010)
Subsection(s) / Classification	Scientific Organization
Affiliation	Independent
Ruling Date	02/1952
Deductibility	Contributions are deductible
Foundation	Private non-operating foundation
Activities	Gifts, grants, or loans to other organizations
Organization	Corporation
Exempt Organization Status	Unconditional Exemption
Tax Period	12/2023
Asset	$10,000,000 to $49,999,999
Income	$500,000 to $999,999
Filing Requirement	990 - Not required to file (all other) (990-PF required)
Accounting Period	December (12)
Asset Amount	$17,863,505
Income Amount	$933,643
Form 990 Revenue Amount	$0

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