Data update history
November 11, 2023
Updated personnel
Identified 1 new personnel
November 7, 2023
Posted financials
Added Form 990N for fiscal year 2023
August 3, 2022
Posted financials
Added Form 990N for fiscal year 2022
August 3, 2022
Updated personnel
Identified 2 new personnel
January 2, 2022
Posted financials
Added Form 990N for fiscal year 2021
Nonprofit Types
SchoolsFraternities and sororitiesChapter / child organizations
Issues
EducationHuman services
Characteristics
e-Postcard filer
General information
- Address
- 1600 Maple St
- Golden, CO 80401
- Metro area
- Denver-Aurora-Lakewood, CO
- County
- Jefferson County, CO
- Website URL
- sigmanumines.org/
IRS details
- EIN
- 32-0337313
- Fiscal year end
- June
- Taxreturn type
- Form 990-N / Postcard
- Year formed
- 1940
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- B83: Student Sororities, Fraternities
- NAICS code, primary
- 72131: Fraternity Houses, Sorority Houses, Residential Clubs, and Worker Camps
- Parent/child status
- Child within group exemption
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