Data update history
January 16, 2024
Posted financials
Added Form 990PF for fiscal year 2022
November 25, 2023
Posted financials
Added Form 990PF for fiscal year 2021
August 8, 2023
Posted financials
Added Form 990PF for fiscal year 2020
May 18, 2023
Updated personnel
Identified 4 new personnel
October 18, 2021
Posted financials
Added Form 990PF for fiscal year 2019
Nonprofit Types
Grantmaking organizationsPrivate foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsPartially liquidatedTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- PO Box 358
- Bel Air, MD 21014
- Metro area
- Baltimore-Columbia-Towson, MD
- County
- Harford County, MD
- Website URL
- wiessnerfoundation.org/
- Phone
- (410) 877-9449
IRS details
- EIN
- 52-6002679
- Fiscal year end
- December
- Taxreturn type
- Form 990-PF
- Year formed
- 1982
- 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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