Data update history
June 6, 2024
Posted financials
Added Form 990EZ for fiscal year 2023
May 23, 2024
Updated personnel
Identified 9 new personnel
January 2, 2023
Posted financials
Added Form 990EZ for fiscal year 2022
Nonprofit Types
Social advocacy organizationsEnvironmental organizationsCharities
Issues
Land and water conservationEnvironment
Characteristics
State / local levelTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- PO Box 309
- Walnut Creek, CA 94597
- Metro area
- San Francisco-Oakland-Berkeley, CA
- County
- Contra Costa County, CA
- Website URL
- wcosf.org/
- Phone
- (925) 588-8421
IRS details
- EIN
- 94-2607748
- Fiscal year end
- October
- Taxreturn type
- Form 990-EZ
- Year formed
- 1980
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- C34: Land Resources Conservation
- NAICS code, primary
- 813312: Environment, Conservation, and Wildlife Organizations
- Parent/child status
- Independent
Free account sign-up
Want updates when Walnut Creek Open Space Foundation has new information, or want to find more organizations like Walnut Creek Open Space Foundation?
Create free Cause IQ account