1. Directory
  2. Washington
  3. Clyde Hill
  4. Wissner-Slivka Foundation
EIN 91-6458451

Wissner-Slivka Foundation

IRS 501(c) type
501(c)(3)
Num. employees
0
City
Clyde Hill
State
Washington
Year formed
1998
Most recent tax filings
2023-12-01
NTEE code, primary
T20: Private Foundations
Description
The Wissner-Slivka Foundation is a private foundation located in Clyde Hill, WA. Its primary focus is to provide funding for general support, support of Jim Olsen Lab, and the Youth Investment Fund. Additionally, they also support Campaign Futurecare and Bandage Ball / Annual Auction Fundraiser. The foundation was established to provide a refund of prior year federal excise taxes overpaid. Grantees of the foundation include Seattle Children's Foundation and others. Last year, the foundation made six grants to various organizations.
Total revenues
$81,606
2023
Total expenses
$257,699
2023
Total assets
$1,597,139
2023
Num. employees
0
2023

Program areas at Wissner-Slivka Foundation

Refund of prior year federal excise taxes overpaid

Grants made by Wissner-Slivka Foundation

GranteeGrant descriptionAmount
Overlake Hospital FoundationAdvancing Care Together Campaign$250,000
Kindering CenterGeneral Support$1,000

Personnel at Wissner-Slivka Foundation

NameTitleCompensation
Lisa Wissner-SlivkaTrustee$0

Financials for Wissner-Slivka Foundation

RevenuesFYE 12/2023
Total grants, contributions, etc.$0
Investment income and dividends$81,606
Net rental income$0
Net gain from sale of non-inventory assets$0
Gross sales of inventory$0
Miscellaneous revenues$0
Total revenues$81,606

Form 990s for Wissner-Slivka Foundation

Fiscal year endingDate received by IRSFormPDF link
2023-122024-05-15990PFView PDF
2022-122023-05-12990PFView PDF
2021-122022-05-14990PFView PDF
2020-122021-06-21990PFView PDF
2019-122020-10-21990PRView PDF
...and 8 more Form 990s
Data update history
July 19, 2023
Posted financials
Added Form 990PF for fiscal year 2022
July 1, 2023
Updated personnel
Identified 1 new personnel
October 7, 2021
Posted financials
Added Form 990PF for fiscal year 2020
August 20, 2021
Posted financials
Added Form 990R for fiscal year 2019
May 22, 2020
Posted financials
Added Form 990PF for fiscal year 2018
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 3904
Clyde Hill, WA 98009
Metro area
Seattle-Tacoma-Bellevue, WA
County
King County, WA
Website URL
slivka.org/ 
Phone
(425) 454-8182
IRS details
EIN
91-6458451
Fiscal year end
December
Taxreturn type
Form 990-PF
Year formed
1998
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
Free account sign-up

Want updates when Wissner-Slivka Foundation has new information, or want to find more organizations like Wissner-Slivka Foundation?

Create free Cause IQ account
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2025 Nonprofit Metrics LLC
Terms of Service and Privacy Policy