Adams Mastrovich Fam Fdn

Private foundation · Grantmaker Saint Louis, MO EIN: 41-6014092

Adams Mastrovich Fam Fdn is based in Saint Louis, Missouri, and is listed with filing type 990T. Its grant program supports charitable organizations located in or serving Los Angeles County, California, and South Dakota, with stated areas of interest including education, religion, health, human services, and the arts.

Key facts about Adams Mastrovich Fam Fdn

In short: Adams Mastrovich Fam Fdn gave $1.3M across 71 grants in 2024 (avg $18K), mostly in California. 39% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

EIN
41-6014092
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$1,255,100
Grants made (2024)
71
Average grant
$17,677
Median grant
$10,000
New grantees (estimate)
39% first-time grantees (28 of 71, 2024)
Total assets
$20,133,306
Primary geography
California (61% of itemized 2024 grant dollars)
How to apply
The program requires 501(c)(3) status. Full details ↓

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$20.1M

-1.1% YoY

Annual Giving

$1.3M

+11.3% YoY

Grant Count

71

+36.5% YoY

Avg Grant Size

$18K

-18.5% YoY

Under IRS private-foundation payout rules, Adams Mastrovich Fam Fdn reported a distributable amount of $1.4M for 2024 — the minimum it must pay out in qualifying distributions.

Is Adams Mastrovich Fam Fdn open to new grantees?

39%

first-time grantees, 2024

In 2024, 28 of 71 grantees (39%) were first-time recipients. First grants averaged $13K; repeat grants $21K. How we count

Medians: $10K first-time, $12K repeat.

  • 48% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−5%). Method
  • In 2024 it paid out 98% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The funder’s stated mission is to support charitable causes in education, religion, health, human services, and the arts for organizations located in or serving citizens of Los Angeles County and South Dakota. Its program also identifies social services as a grantmaking priority and gives special priority to organizations aiding women, particularly victims of domestic violence.

The funded organizations’ missions illustrate a range of activities. Deadwood History Inc. says it preserves and presents the history of Deadwood and the Black Hills. Northern Hills Alliance for Children describes its work as providing affordable, secure child care and educational services to families with young children. Wolakota Waldorf Society says it provides Waldorf education integrated with Lakota language and culture. In California, Marycrest Manor describes its work as skilled nursing care for elders, while Young Musicians Foundation says it provides tuition-free music education and experiences to underserved students.

Grantmaking

In 2024, the funder reported 71 grants totaling $1,255,100. Individual grants ranged from $2,500 to $190,000, with a median of $10,000. The current grant program lists awards of $5,000–$20,000 and is marked active.

How to Apply

or unsolicited-request policy is specified.

Open Grants

1 open opportunity from Adams Mastrovich Fam Fdn

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Geographic Focus

Where this funder awards grants

The funder’s program supports organizations located in or serving Los Angeles County, California, and South Dakota. In 2024, 61% of grant dollars went to recipients in California and 39% to recipients in South Dakota.

Grant Distribution by State

7states

Share of 2024 grant dollars across all 71 itemized grants.

Cities

Los AngelesDeadwoodRapid CitySioux FallsPasadenaLeadLong BeachSpearfishHollywoodVeniceCanoga ParkChamberlainCulver CityHowesKyleValyermoGlendaleLake AndesN HollywoodPine Ridge

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M78 grants2020 60 grants2021 60 grants2022 52 grants2023 71 grants2024

From 2020 to 2024, annual grant giving ranged from $1.1M (2023) to $1.4M (2020). In 2024 it made 71 grants totaling $1.3M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Deadwood History Inc: $190KDeadwood History Inc$190KLoyola Marymount University: $100KLoyola Marymount University$100KLower Brule - St Mary Diocese of Rapid: $55KLower Brule - St Mary Dioceseof Rapid$55KMarycrest Manor Inc: $50KMarycrest Manor Inc$50KCatholic Charities of Los Angeles: $40KCatholic Charities of LosAngeles$40KHistoric Homestake Opera House: $40KHistoric Homestake Opera House$40KNorthern Hills Alliance for Children: $40KNorthern Hills Alliance forChildren$40KSaint Andrews Abbey Inc: $35KSaint Andrews Abbey Inc$35KCatholic Social Service: $30KCatholic Social Service$30KDowntown Women's Center (DWC): $25KDowntown Women's Center (DWC)$25K

The largest 2024 recipient was Deadwood History Inc ($190K). Together the top 10 received $605K.

Grant Size Distribution

321 grants across all recorded years

295<$50K15$50–100K9$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 295 grants of 321 (92%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Deadwood History Inc Deadwood, SDGeneral Operating$190,000
Loyola Marymount University Los Angeles, CAGeneral Operating$100,000
Lower Brule - St Mary Diocese of Rapid Lower Brule, SDGeneral Operating$55,000
Marycrest Manor Inc Culver City, CAGeneral Operating$50,000
Catholic Charities of Los Angeles Los Angeles, CAGeneral Operating$40,000
Historic Homestake Opera House Lead, SDGeneral Operating$40,000
Northern Hills Alliance for Children Deadwood, SDGeneral Operating$40,000
Saint Andrews Abbey Inc Valyermo, CAGeneral Operating$35,000
Catholic Social Service Rapid City, SDGeneral Operating$30,000
Downtown Women's Center (DWC) Los Angeles, CAGeneral Operating$25,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2024 $20,133,306 $1,166,532 $1,512,963 $1,255,100
2023 $20,360,522 $813,005 $1,397,426 $1,127,500
2022 $20,800,966 $585,288 $1,559,035 $1,298,080

The 2023 grant total was reported across 52 grants; the 2022 total was reported across 60 grants.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$2M$3M$4M2020 2021 2022 2023 2024
Metric202420232022
Total Assets$20,133,306$20,360,522$20,800,966
Revenue$1,166,532$813,005$585,288
Expenses$1,512,963$1,397,426$1,559,035
Qualifying Distributions$1,349,183$1,234,456$1,383,944
Net Investment Income$934,173$582,744$677,683
Distributable Amount$1,378,873$1,303,167$1,322,759

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Sandra Anderson, Ron Island, Robert A. Engebretsen, Barry A. Kelner, and Thomas M. Morin as committee members, and Wells Fargo Bank N.A. as trustee.

Adams Mastrovich Fam Fdn's 2024 filing lists 6 officers; all 6 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Wells Fargo Bank N A

    Trustee

    On filings since 2020

    1 hr/week

    $158K (2020) → $168K (2024)

  • Barry A. Kelner

    Committee Members

    On filings since 2020

    $2K (2020) → $5K (2024)

  • Robert A. Engebretsen

    Committee Members

    On filings since 2020

    $2K (2020) → $3K (2024)

  • Ron Island

    Committee Members

    On filings since 2020

    $2K (2020) → $4K (2024)

  • Sandra Anderson

    Committee Members

    On filings since 2020

    $2K (2020) → $3K (2024)

  • Thomas M. Morin

    Committee Members

    On filings since 2020

    $2K (2020) → $3K (2024)

Former officers (1)
  • Former: Halsey H. Halls (2020) — Committee Members

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Wells Fargo Bank N a — Trustee: $168KWells Fargo Bank N aTrustee$168KBarry a Kelner — Committee Members: $5KBarry a KelnerCommittee Members$5KRon Island — Committee Members: $4KRon IslandCommittee Members$4KSandra Anderson — Committee Members: $3KSandra AndersonCommittee Members$3KThomas M Morin — Committee Members: $3KThomas M MorinCommittee Members$3KRobert a Engebretsen — Committee Members: $3KRobert a EngebretsenCommittee Members$3K

The highest reported compensation on the 2024 filing was $168K, to Wells Fargo Bank N a (Trustee). 6 officers or directors reported compensation on that filing.

Contact

Mailing address: PO Box 505 Mac H0006-092, Saint Louis, MO 63166
Phone: (888) 730-4933

Frequently asked questions about Adams Mastrovich Fam Fdn

How much does Adams Mastrovich Fam Fdn give each year?

Adams Mastrovich Fam Fdn gave $1.3M across 71 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.1M across 52 grants.

What is Adams Mastrovich Fam Fdn's typical grant size?

Adams Mastrovich Fam Fdn's median grant in 2024 was $10,000, and its average grant was $17,677, across 71 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Adams Mastrovich Fam Fdn that year got $13K on average.

Where does Adams Mastrovich Fam Fdn give grants?

Adams Mastrovich Fam Fdn gives mostly in California: 61% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was South Dakota (39%). The most frequent recipient cities were Los Angeles, CA (23 grants), Rapid City, SD (6 grants), Pasadena, CA (4 grants) and Deadwood, SD (3 grants).

Does Adams Mastrovich Fam Fdn give general operating support?

Yes: 100% of Adams Mastrovich Fam Fdn's 2024 grants with a stated purpose (71 of 71) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Adams Mastrovich Fam Fdn's largest grantees?

Adams Mastrovich Fam Fdn's largest 2024 grantees include Deadwood History Inc ($190,000), Loyola Marymount University ($100,000) and Lower Brule - St Mary Diocese of Rapid ($55,000), according to its 2024 IRS Form 990-PF. Together they received 27% of its itemized 2024 grant dollars.

How large is Adams Mastrovich Fam Fdn?

Adams Mastrovich Fam Fdn reported $20.1M in total assets on its 2024 IRS Form 990-PF. It paid out $1.3M in qualifying distributions that year, against a required minimum of $1.4M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Adams Mastrovich Fam Fdn fund?

The funder’s stated mission is to support charitable causes in education, religion, health, human services, and the arts for organizations located in or serving citizens of Los Angeles County and South Dakota. See mission & focus areas ↑

How do I apply for a grant from Adams Mastrovich Fam Fdn?

The program requires 501(c)(3) status. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Adams Mastrovich Fam Fdn's EIN?

Adams Mastrovich Fam Fdn's EIN (Employer Identification Number) is 41-6014092. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

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