Data update history
July 16, 2024
Posted financials
Added Form 990 for fiscal year 2023
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
July 10, 2023
Posted financials
Added Form 990 for fiscal year 2022
July 1, 2023
Updated personnel
Identified 14 new personnel
May 14, 2023
Used new vendors
Identified 1 new vendor, including
Nonprofit Types
Professional associationsBusiness and community development organizationsEnvironmental organizationsHeadquarter / parent organizations
Issues
Science and technologyEducationEnvironmentCommunity improvementBusiness and industry
Characteristics
MembershipsFundraising eventsState / local levelAuction fundraisersNo full-time employees
General information
- Address
- PO Box 230548
- Tigard, OR 97281
- Metro area
- Portland-Vancouver-Hillsboro, OR-WA
- County
- Multnomah County, OR
- Website URL
- plso.org/Â
- Phone
- (503) 303-1472
IRS details
- EIN
- 93-6028867
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1960
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- C03: Environment Professional Societies and Associations
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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