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Nonprofit · EIN 81-0302870

RIMROCK FOUNDATION

Tax-exempt · BILLINGS, MT 59101

Financials

$9.8M$15.5M2023$13.3M$13.5M2024
Revenue Expenses · by fiscal year end
Financials of RIMROCK FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$13,347,391$13,503,205-$155,814$5,517,718$2,156,214$3,361,504
December 31, 2023990$9,776,779$15,543,138-$5,766,359$6,300,453$2,699,713$3,600,740
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$49,884
Program service revenue
$12,604,995
Investment income
$686,673
Net rental income
$3,107
Net gain from sales of assets
$675,798
Other revenue
$5,839

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$231,222
Other salaries and wages
$8,267,656
Salaries, compensation and benefits (total)
$9,721,603
Professional fundraising fees
$0
Legal fees
$46,252
Accounting fees
$48,795
Occupancy
$581,689
Travel
$86,760
Depreciation
$367,000
Program services (functional)
$11,485,144
Management and general (functional)
$2,018,061

Balance sheet and other

Total assets, start of year
$6,300,453
Total assets, end of year
$5,517,718
Total liabilities, end of year
$2,156,214
Net assets, end of year
$3,361,504
Land, buildings and equipment
$2,315,075
Publicly traded securities
$102,791
Net assets without donor restrictions
$2,895,514
Net assets with donor restrictions
$465,990
Gross receipts
$13,662,978
Employees
162
Volunteers
9
Year formed
1968
State of legal domicile
MT

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
SHARON MULVEHILLCMO
Highest-paid employee
40$229,300$0
JEFFREY KELLERCEO
Officer
40$160,610$5,438
HEATHER SWETENREGISTERED NURSE
Highest-paid employee
40$124,460$5,438
SARAH STRITTMATERREGISTERED NURSE
Highest-paid employee
40$100,446$6,738
DENNIS WIZEMANSENIOR DIRECTOR OF FINANCE
Officer
40$61,920$3,254
ALLEN HALTERCHAIR
Trustee or director, Officer
1$0$0
MICHELLE PINNOWSECRETARY/TREASURER
Trustee or director, Officer
1$0$0
BOBBI BLAINDIRECTOR (TERMED JUNE 2024)
Trustee or director
1$0$0
DANIEL BROOKSDIRECTOR
Trustee or director
1$0$0
CATHY CULLEN-KUHRDIRECTOR
Trustee or director
1$0$0
JIM ECKENROADDIRECTOR (TERMED JUNE 2024)
Trustee or director
1$0$0
KIM EDINGERDIRECTOR
Trustee or director
1$0$0
SHANE HEIGISDIRECTOR
Trustee or director
1$0$0
BILL LAMDINDIRECTOR
Trustee or director
1$0$0
ADAM LAUWERSDIRECTOR
Trustee or director
1$0$0
5 more people on this return
NameTitleHours / weekCompensation
JANI MCCALLDIRECTOR (TERMED MARCH 2024)
Trustee or director
1$0
BRANDON SCALADIRECTOR
Trustee or director
1$0
STEVEN SMALLDIRECTOR
Trustee or director
1$0
STACY ZINN-BRITTAINDIRECTOR
Trustee or director
1$0
COLLEEN NUERENBERGERCFO (THRU FEB 2024)
Officer
40$0
990 for the year ended December 31, 2023: 24 people
NameTitleHours / weekCompensationOther / benefits
LENNETTE KOSOVICHCEO (TERMED 06.30.23)
Officer
40$310,451$2,173
SHARON MULVEHILLCMO
Highest-paid employee
40$161,800$0
CORALEE SCHMITZCOO
Highest-paid employee
40$118,559$4,857
KALEIGH ROYREGISTERED NURSE
Highest-paid employee
40$118,059$4,706
JEFFREY KELLERCEO
Officer
40$116,569$2,806
HEATHER SWETENREGISTERED NURSE
Highest-paid employee
40$114,400$4,695
FRANCES HORN-CHARNESKYDIRECTOR MENTAL HEALTH SERVICES
Highest-paid employee
40$105,960$7,045
COLLEEN NUERENBERGERCFO
Officer
40$102,211$0
BURKE KUFELDCFO (TERMED 4.1.23)
Officer
40$1,252$0
SHANE HEIGISCHAIR
Trustee or director, Officer
1$0$0
ALLEN HALTERVICE CHAIR
Trustee or director, Officer
1$0$0
JIM ECKENROADTREASURY/SECRETARY
Trustee or director, Officer
1$0$0
JEFFREY KELLERPAST CHAIR (TERMED 4.11.23)
Trustee or director, Officer
1$0$0
JANI MCCALLDIRECTOR
Trustee or director
1$0$0
BILL LAMDINDIRECTOR
Trustee or director
1$0$0
JOHN ROBERTSDIRECTOR
Trustee or director
1$0$0
STACY ZINN-BRITTAINDIRECTOR
Trustee or director
1$0$0
CATHY CULLEN-KUHRDIRECTOR
Trustee or director
1$0$0
CECI BENTLERDIRECTOR (TERMED 10.25.23)
Trustee or director
1$0$0
DANIEL BROOKSDIRECTOR
Trustee or director
1$0$0
BOBBI BLAINDIRECTOR
Trustee or director
1$0$0
BRANDON SCALADIRECTOR
Trustee or director
1$0$0
MICHELLE PINNOWDIRECTOR
Trustee or director
1$0$0
ADAM LAUWERSDIRECTOR
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
1231 N 29TH ST, BILLINGS, MT 59101-0122
Principal officer (990 for 2024)
JEFFREY KELLER, 1231 N 29TH, BILLINGS, MT 59101
Signed the 990
JEFFREY KELLER, CEO
Phone
(406) 248-3175
Return prepared by
WIPFLI ADVISORY LLC

Mission

WE CREATE OPPORTUNITY FOR THOSE IMPACTED BY ADDICTION AND MENTAL ILLNESS THROUGH INNOVATIVE, COMPASSIONATE, AND LIFE CHANGE CARE.

990 for the year ended December 31, 2024

Program accomplishments

  • TREATMENT SERVICES ARE PROVIDED THROUGH THE FOLLOWING THERAPEUTIC LEVELS OF CARE: MEDICAL DETOXIFICATION, INPATIENT, PARTIAL HOSPITALIZATION, RESIDENTIAL, CRISIS STABILIZATION, INTENSIVE OUTPATIENT, OUTPATIENT CARE AND PACT SERVICES. THESE LEVELS OF CARE AND THERAPEUTIC SERVICES ARE ORGANIZED TO DELIVER A STATE OF ART CONTINUUM OF CARE IN WHICH PATIENTS AND THEIR FAMILIES RECEIVE THE BROADEST RANGE OF SERVICES NECESSARY, COORDINATED IN AN INDIVIDUALIZED RECOVERY PROGRAM FOR EACH PATIENT AND FAMILY MEMBER. RIMROCK FOUNDATION HAS PIONEERED THE ADVANCED INTEGRATED MODEL OF ADDICTION TREATMENT, WHICH COMBINES THE BEST APPROACHES AVAILABLE TODAY TO TREAT PATIENTS WITH ADDICTION PROBLEMS AND CONCURRENT MENTAL ILLNESS. RIMROCK'S SINGLE GOAL IS TO ASSURE THE HIGHEST QUALITY OF CARE, USING STATE OF THE ART APPROACHES, FOR THE PURPOSE OF ENHANCING PATIENT OUTCOMES. TO ACHIEVE THIS, THE ORGANIZATION REQUIRES TRAINED PROFESSIONALS REPRESENTING ADDICTION, MEDICINE AND MENTAL HEALTH DISCIPLINES, WORKING AS A COLLABORATIVE TEAM IN WHICH EACH DISCIPLINE CONTRIBUTES AND COMMUNICATES. EACH MEMBER OF THE ORGANIZATION'S STAFF IS EXPECTED TO BE COMMITTED TO PROVIDING QUALITY CARE AND ACTIVELY PARTICIPATING IN ORGANIZATION WIDE EFFORTS TO IMPROVE PATIENT CARE.
    Expenses $8,028,086 · revenue $6,806,697
  • RIMROCK FOUNDATION PROVIDES DETOXIFICATION SERVICES TO OVER 186 CLIENTS GENERATING $348,251 OF WHICH DISCOUNTS ARE $572,357 AND FREE CARE OF $192,380 WERE PROVIDED TO CLIENTS WHO WERE DETERMINED UNABLE TO PAY FOR THE SERVICES. MANY TIMES THESE CLIENTS WOULD TRANSFER TO INPATIENT TREATMENT FOR ADULTS. INPATIENT SERVICES WERE PROVIDED TO 551 CLIENTS WITH REVENUES OF $9,382,556 WITH DISCOUNTS OF $6,277,949 AND FREE CARE OF $0 PROVIDED TO CLIENTS.
    Expenses $2,540,360 · revenue $3,781,498
  • RIMROCK FOUNDATION PROVIDES SUBSTANCE ABUSE TREATMENT FOR MEN AT THEIR WHITE BIRCH NORTH AND SOUTH FACILITIES IN BILLINGS, MT. A TOTAL OF 118 CLIENTS WERE SERVED IN 2024. REVENUES TOTALED $2,372,005 OF WHICH $1,667,953 WERE DISCOUNTED. THESE CLIENTS ARE LOWER INCOME AND QUALIFY FOR MEDICAID.
    Expenses $733,767 · revenue $1,512,600
  • RIMROCK FOUNDATION PROVIDES SUBSTANCE ABUSE TREATMENT FOR WOMEN AT THEIR ADA'S HOUSE FACILITY IN BILLINGS, MT. A TOTAL OF 71 CLIENTS WERE SERVED IN 2024. REVENUES TOTALED $1,674,271 OF WHICH $1,131,023 WERE DISCOUNTED. THESE CLIENTS ARE LOWER INCOME AND QUALIFY FOR MEDICAID.
    Expenses $182,931 · revenue $504,200

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
81-0302870
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Hospital or medical research organization
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1981
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$5,517,718
Income (IRS master file)
$13,662,978

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$13,347,391$13,503,205$5,517,718XML
990December 2023$9,776,779$15,543,138$6,300,453XML
990December 2022$15,557,369$16,083,619$12,841,492IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 81-0302870).

Questions about RIMROCK FOUNDATION

What is the EIN of RIMROCK FOUNDATION?
The employer identification number (EIN) of RIMROCK FOUNDATION is 81-0302870.
Is RIMROCK FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1981.
Are donations to RIMROCK FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does RIMROCK FOUNDATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of RIMROCK FOUNDATION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did RIMROCK FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of RIMROCK FOUNDATION?
The 990 for the year ended December 31, 2024 names JEFFREY KELLER.
Who are the officers and directors of RIMROCK FOUNDATION?
The 990 for the year ended December 31, 2024 lists 20 people; 5 received compensation from the organization, the highest $229,300 (SHARON MULVEHILL, CMO).
How much revenue does RIMROCK FOUNDATION have?
On its 990 for the year ended December 31, 2024 it reported revenue of $13,347,391, expenses of $13,503,205 and total assets of $5,517,718 at year end.

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