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Rimrock Foundation

Rimrock Foundation is a charitable organization in Billings, Montana. Its tax id (EIN) is 81-0302870. It was granted tax-exempt status by IRS in December, 1981. For detailed information such as income and other financial data of Rimrock Foundation, refer to the following table.


Profile of Rimrock Foundation

Organization Name Rimrock Foundation
Tax Id (EIN)81-0302870
Address 1231 N 29th St, Billings, MT 59101-0122
All tax-exempt organizations in zip code 59101
Tax PeriodAssetIncomeRevenue
December, 2012$9,307,243$9,468,580$9,468,134
December, 2013$9,516,871$9,387,946$9,288,130
December, 2014$9,256,992$9,636,966$9,296,864
December, 2015$9,106,858$9,540,526$9,537,590
December, 2016$9,385,986$10,950,038$10,946,774
December, 2017$9,568,755$12,001,384$11,998,107
December, 2018$8,187,528$10,808,084$10,808,084
December, 2019$8,983,346$12,908,955$12,908,912
December, 2020$10,440,559$15,599,861$15,132,600
December, 2021$13,752,324$16,759,408$16,747,690
December, 2022$12,841,492$15,723,251$15,557,369
December, 2023$6,300,453$15,710,262$9,776,779
IRS Exempt Status Ruling Date December, 1981
Exempt Status Unconditional Exemption
Deductibility Contributions are deductible
Organization's purposes,
activities, & operations
Other school related activities
Foundation Type Hospital or medical research organization 170(b)(1)(A)(iii)
Organization Type Corporation
Organization Classification Charitable Organization
Affiliation Independent - This organization is an independent organization or an independent auxiliary (i.e., not affiliated with a National, Regional, or Geographic grouping of organizations).
Primary Return(s) Required to File 990 (all other) or 990EZ return
Private Foundation Filing Requirement No need to 990-PF return
Asset Range Reported on Form 990$5,000,000 to 9,999,999
Income Range Reported on Form 990$10,000,000 to 49,999,999
Accounting Period 12