Data update history
February 23, 2025
Posted financials
Added Form 990PF for fiscal year 2023
February 19, 2025
Updated personnel
Identified 1 new personnel
January 19, 2024
Posted financials
Added Form 990PF for fiscal year 2022
January 18, 2024
Updated personnel
Identified 3 new personnel
December 30, 2023
Updated personnel
Identified 4 new personnel
Nonprofit Types
Grantmaking organizationsPrivate foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsPartially liquidatedState / local levelTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- 202 E 3rd St
- Williamsport, PA 17701
- Metro area
- Williamsport, PA
- County
- Lycoming County, PA
- Website URL
- harryplankenhornfoundation.org/Â
- Phone
- (570) 419-1607
IRS details
- EIN
- 24-6023579
- Fiscal year end
- December
- Taxreturn type
- Form 990-PF
- Year formed
- 1961
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- T20: Private Foundations
- NAICS code, primary
- 813211: Grantmaking Foundations
- Parent/child status
- Independent
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