Mammoth Mountain Community Foundation Inc
Mammoth Mountain Community Foundation Inc (MMCF) is a public charity based in Mammoth Lakes, California. Formed in 2009, it supports youth academics, athletics, outdoor experiences, and mental wellness in the Eastern Sierra.
Mammoth Mountain Community Foundation Inc at a glance
In short: Mammoth Mountain Community Foundation Inc gave $538K across 25 grants in 2025 (avg $22K), mostly in California. 28% of 2025 grantees were new. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $537,567
- -25.5% vs 2024
- Grants made (2025)
- 25
- -32.4% vs 2024
- Average grant
- $21,503
- +10.3% vs 2024
- Median grant
- $6,370
- Total assets
- $2,808,758
- -9.7% vs 2024
- New grantees (estimate)
- 28% first-time grantees (7 of 25, 2025)
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Mammoth Mountain Community Foundation Inc
- How to Apply
-
Organizational Grant applications are submitted through MMCF’s online application process. The website does not specify required application materials in the information provided here.
- Review Cycle
- The 2026 Spring/Summer application period closed March 31, 2026, and the Fall/Winter application period closed September 25, 2026. Both deadlines have passed.
- Deadline
- The 2026 Spring/Summer application period closed March 31, 2026, and the Fall/Winter application period closed…
- Contact
Mailing address: PO Box 1475, Mammoth Lakes, CA 93546
Phone: (760) 934-0639
Website: https://mammothfoundation.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
2 open opportunities from Mammoth Mountain Community Foundation Inc
Who Mammoth Mountain Community Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Mammoth Unified School District ($278K). Together the top 10 received $457K.
Organizations only. It also paid 1 grant to individuals ($14,435), which are not listed by name.
Grant Size Distribution
105 grants across all recorded years
The most common grant size was under $50K: 96 grants of 105 (91%).
Geographic Focus
Where this funder awards grants
MMCF’s organizational grant criteria specify organizations based in Inyo or Mono County. Its 2025 filing reports that all grant dollars went to recipients in California; listed recipients include communities such as Mammoth Lakes, Bishop, Lee Vining, Independence, Bridgeport, and Lone Pine.
Grant Distribution by State
Share of 2025 grant dollars across all 25 itemized grants.
States
Cities
Is Mammoth Mountain Community Foundation Inc open to new grantees?
28%
first-time grantees, 2025
In 2025, 7 of 25 grantees (28%) were first-time recipients. First grants averaged $5K; repeat grants $28K. How we count
Medians: $5K first-time, $10K repeat.
Estimate from itemized grant lists in IRS Form 990 filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $188K (2019) to $721K (2024). In 2025 it made 25 grants totaling $538K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mammoth Unified School District Mammoth Lakes, CA | Alternative Education Programs | $278,128 |
| Bishop Unified School District Bishop, CA | Alternative Education | $95,939 |
| 1 grant to individuals Recipients not named | — | $14,435 |
| Lee Vining Elementry School Lee Vining, CA | Athletic Program | $12,750 |
| Mono Arts Council Mammoth Lakes, CA | Athletic Program | $12,575 |
| Owens Valley Unified School Distric Independence, CA | Athletic Programs | $10,000 |
| Eastern Sierra Nordic Ski Associati Mammoth Lakes, CA | Athletic Program | $10,000 |
| Lone Pine Unified School District Lone Pine, CA | Athletic Program | $10,000 |
| Eastern Sierra Unified School Distr Bridgeport, CA | Athletic Program | $10,000 |
| Eastside Student Center Bishop, CA | Mental Health Programs | $9,500 |
Ready to take the next step with Mammoth Mountain Community Foundation Inc?
Financial History
Multi-year comparison from IRS filings
Amounts below are reported by filing year.
The 2025 grant total covered 25 grants. In 2024, MMCF reported 37 grants; in 2023, it reported 18.
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $2,808,758 | $870,759 | $1,157,818 | $537,567 | 25 | $44,200 |
| 2024 | $3,111,707 | $1,892,154 | $1,758,935 | $721,384 | 37 | $61,528 |
| 2023 | $2,796,752 | $2,735,142 | $1,588,790 | $448,148 | 18 | $14,621 |
| 2022 | $1,695,077 | $1,236,068 | $1,075,897 | $273,408 | 14 | $116 |
| 2021 | $1,516,361 | $896,690 | $723,815 | $207,446 | 11 | $99 |
| 2020 | $1,155,435 | $421,336 | $738,350 | $229,508 | 12 | $101 |
| 2019 | $1,490,742 | $898,548 | $581,577 | $188,039 | 7 | $99 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
MMCF’s stated mission is to empower youth to thrive by supporting academics, athletics, outdoor experiences, and mental wellness throughout the Eastern Sierra. Its 2024 filing says it financially supports youth academic and athletic programs in the region.
The Organizational Grant supports organizations based in Inyo or Mono County whose projects directly support local youth, including programs in athletics, education, mental wellness, or outdoor experiences. MMCF also describes a Ski PE Grant for local schools and an Elite Athlete Grant for eligible athletes on the Mammoth Mountain Ski and Snowboard Team. Its education programs include a partnership with Mammoth Unified School District for the FLEX blended-learning program, as well as support for tutoring, SAT preparation, libraries, arts, music, career fairs, and school athletic programs.
Among its 2025 grantees, Mono Arts Council received $12,575. The council describes its primary focus as arts education throughout Mono County, along with community partnerships, cultural programs, and adult, after-school, and summer art classes. Eastside Student Center received $9,500 and describes its work as providing after-school care for students in grades 5–12.
Grantmaking
In filing year 2025, MMCF reported 25 grants totaling $537,567. Grant amounts ranged from $2,355 to $278,128, with a median grant of $6,370. The largest awards included $278,128 to Mammoth Unified School District for alternative education programs and $95,939 to Bishop Unified School District for alternative education. Other notable awards included $14,435 to an individual recipient Emem School PTO for educational books and an athletic program, $12,750 to Lee Vining Elementry School for an athletic program, and $12,575 to Mono Arts Council for an athletic program.
The website describes two application periods for Organizational Grants. The Spring/Summer cycle is for programs taking place May 1–September 30; the Fall/Winter cycle is for programs taking place October 1–April 30. It advises applicants to choose the cycle whose funding distribution date is closest to the program’s start. The stated eligibility criteria require organizations to be based in Inyo or Mono County and to propose projects or programs that directly support local youth.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Eric Clark as President; Eric Mann as Secretary; Stacey Cook as Treasurer; Stacy Corless, Sierra Bourne, and Ivy Bruland as Directors; and Thomas Bissell as Executive Director.
Mammoth Mountain Community Foundation Inc is led by Eric Clark, President on every filing since 2024; none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
Eric Clark
President
On filings since 2024
5 hrs/week
No compensation reported
Thomas Bissell
Executive Director
New on the 2025 filing
40 hrs/week
No compensation reported
Sierra Bourne
Director
On filings since 2019
5 hrs/week
No compensation reported
Ivy Bruland
Director
On filings since 2024
5 hrs/week
No compensation reported
Stacy Corless
Director
On filings since 2024
5 hrs/week
No compensation reported
Eric Mann
Secretary
On filings since 2019
5 hrs/week
No compensation reported
Stacey Cook
Treasurer
On filings since 2019
5 hrs/week
No compensation reported
Former officers (4)
- Former: Tamara Bankson (2020–2024) — Executive Director
- Former: Brian Eisner (2019–2023) — Director
- Former: Mark Brownlie (2019–2023) — President
- Former: Pete Korfiatis (2019–2022) — Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Mammoth Mountain Community Foundation Inc
How much does Mammoth Mountain Community Foundation Inc give each year?
Mammoth Mountain Community Foundation Inc gave $538K across 25 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $721K across 37 grants.
What is Mammoth Mountain Community Foundation Inc's typical grant size?
Mammoth Mountain Community Foundation Inc's median grant in 2025 was $6,370, and its average grant was $21,503, across 25 grants on its 2025 IRS Form 990. Organizations receiving their first grant from Mammoth Mountain Community Foundation Inc that year got $5K on average.
Where does Mammoth Mountain Community Foundation Inc give grants?
Mammoth Mountain Community Foundation Inc gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The most frequent recipient cities were Mammoth Lakes, CA (10 grants), Bishop, CA (5 grants), Independence, CA (2 grants) and Lee Vining, CA (2 grants).
Does Mammoth Mountain Community Foundation Inc give general operating support?
Not in 2025: none of the 25 grants with a stated purpose on Mammoth Mountain Community Foundation Inc's 2025 IRS Form 990 were described as general or operating support. Recurring purposes include "Athletic Programs" (8 grants) and "Athletic Program" (8 grants).
Who are Mammoth Mountain Community Foundation Inc's largest grantees?
Mammoth Mountain Community Foundation Inc's largest 2025 grantees include Mammoth Unified School District ($278,128), Bishop Unified School District ($95,939) and Lee Vining Elementry School ($12,750), according to its 2025 IRS Form 990. It also paid 1 grant to individuals ($14,435), which are not listed by name. Together they received 72% of its itemized 2025 grant dollars.
How large is Mammoth Mountain Community Foundation Inc?
Mammoth Mountain Community Foundation Inc reported $2.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $871K.
What does Mammoth Mountain Community Foundation Inc fund?
MMCF’s stated mission is to empower youth to thrive by supporting academics, athletics, outdoor experiences, and mental wellness throughout the Eastern Sierra. Its 2024 filing says it financially supports youth academic and athletic programs in the region. See mission & focus areas ↑
How do I apply for a grant from Mammoth Mountain Community Foundation Inc?
Organizational Grant applications are submitted through MMCF’s online application process. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mammoth Mountain Community Foundation Inc's EIN?
Mammoth Mountain Community Foundation Inc's EIN (Employer Identification Number) is 26-4368015. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS July 8, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 4, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS August 14, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS August 15, 2025)
- Added Form 990 for fiscal year 2019 (received by the IRS August 4, 2020)
- Updated Form 990 for fiscal year 2022 (received by the IRS September 20, 2023)
- Added Form 990 for fiscal year 2025 (received by the IRS August 11, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Mammoth Mountain Community Foundation Inc funds
Youth Development Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Mammoth Mountain Community Foundation Inc's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Dechambeau Creek Foundation
Lee Vining, CA
DeChambeau Creek Foundation funds land stewardship, community investment, natural and cultural history education, conservation science, and the arts, with projects generally focused on the Mono Basin and eligible partner lands. Its 2024 grants ranged from $500 to $11,500, with a median of $5,000. It does not accept unsolicited requests.
Assets
$3.7M
Grants
17
Total Given
$93K
Mammoth Lakes Tourism
Mammoth Lakes, CA
Mammoth Lakes Tourism funds marketing and special events that encourage tourism, with event grants limited to events held in Mammoth Lakes, California. In 2025, its 19 grants ranged from $1,200 to $150,000, with a median of $14,000; applications are accepted through its special-event process, and the 2026 cycle is closed, with 2027 applications expected to open in fall 2026.
Assets
$8.1M
Grants
19
Total Given
$479K
The Mono Lake Foundation
Lee Vining, CA
The Mono Lake Foundation (known as the mono lake committee) is a non-profit citizen's group dedicated to protecting and restoring mono lake, its tributary streams, and surrounding lands, educating the public about mono lake and the impacts on the environment of excessive water use, and promoting cooperative solutions that protect mono lake and meet real water needs without transferring environmental problems to other areas.
Assets
$17.7M
Grants
2
Total Given
$26K
Kirsonis Family Foundation
Malibu, CA
The Kirsonis Family Foundation supports Lithuanian cultural and community organizations and groups working in the Eastern Sierra, with 2024 grants totaling $144,136 and a median grant of $1,000 (awards ranged from $200 to $52,936). Most funding went to California and Illinois; it contributes only to preselected organizations and does not accept unsolicited requests.
Assets
$2.3M
Grants
33
Total Given
$144K
Tahoe Fund
Tahoe City, CA
Tahoe Fund supports environmental projects in the Lake Tahoe Basin focused on forest health, lake health, and recreation, transportation, access, and stewardship. In 2025, grants ranged from $7,600 to $150,000, with a median of $25,000. It accepts project submissions on a rolling basis.
Assets
$14.9M
Grants
31
Total Given
$1.4M
Margaret Pillsbury Foundation
Bishop, CA
The Margaret Pillsbury Foundation supports California charitable organizations working in food assistance, health care, social services, student support, and education. In 2023, its 10 grants ranged from $2,500 to $14,000, with a median of $5,000. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$606K
Grants
10
Total Given
$60K
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Mammoth Mountain Community Foundation Inc funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/mammoth-mountain-community-foundation-inc-morg_b5618c06392342779d71fca2cc843396
BibTeX
@misc{grantable_264368015_2026,
author = {{Grantable}},
title = {{Mammoth Mountain Community Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mammoth-mountain-community-foundation-inc-morg_b5618c06392342779d71fca2cc843396},
note = {Accessed 2026-10-17. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Mammoth Mountain Community Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Mammoth Mountain Community Foundation Inc down — hundreds of funders to go?