Data update history
October 3, 2023
Posted financials
Added Form 990 for fiscal year 2022
August 11, 2023
Posted financials
Added Form 990 for fiscal year 2021
May 18, 2023
Updated personnel
Identified 3 new personnel
March 21, 2023
Updated personnel
Identified 7 new personnel
February 4, 2023
Posted financials
Added Form 990 for fiscal year 2020
Nonprofit Types
UnionsChapter / child organizations
Issues
Human servicesJobs and employment
Characteristics
MembershipsState / local level
General information
- Address
- 3341 Hollenberg Dr
- Bridgeton, MO 63044
- Metro area
- St. Louis, MO-IL
- County
- St. Louis County, MO
- Website URL
- stlouis-cementmasons-local527.com/cm527/homeÂ
- Phone
- (314) 739-1129
IRS details
- EIN
- 43-0210270
- Fiscal year end
- September
- Taxreturn type
- Form 990
- Year formed
- 1984
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- J40: Labor unions, organizations
- NAICS code, primary
- 813930: Labor Unions
- Parent/child status
- Child within group exemption
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