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Rimrock Foundation

EIN 81-0302870 · Billings, MT

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthFair52 out of 100GovernanceFair60 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

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

Income
$13.3 million
Spending
$13.5 million
Spent on programs
85%
Reserves
0.5 months of spending
Largest source of income
fees for its services, 94%
Employees
162
Volunteers
9
Highest pay
$229,300, cmo

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 52 out of 100.

  • Reserves

    4 of 35

    Spendable reserves would cover 0.5 months of spending.

  • Debt

    10 of 20

    It owes 39% of what it owns.

  • Living within its means

    8 of 15

    Spending exceeded income by 1% of income.

  • Income trend

    15 of 15

    Income rose 37% on the year before.

  • Spending floor

    15 of 15

    85% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Fair: 60 out of 100.

  • Independent board

    25 of 25

    11 of 11 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Pay set independently

    5 of 5

    Sets its chief executive's pay through independent review and comparison.

  • Independent check of accounts

    0 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (4)
  1. $8.0 million spent. 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.
  2. $2.5 million spent. 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.
  3. $733,767 spent. 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.
  4. $182,931 spent. 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.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since December 1981.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.