Castlerock Foundation Inc

Private foundation · Grantmaker Alma, WI EIN: 39-1942244

Castlerock Foundation Inc is a private foundation based in Alma, Wisconsin. It makes grants to charitable organizations, including Wisconsin organizations and recipients in other states.

Castlerock Foundation Inc at a glance

In short: Castlerock Foundation Inc gave $39K across 22 grants in 2025 (avg $2K), mostly in Wisconsin. 27% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$38,847
-27.5% vs 2024
Grants made (2025)
22
-51.1% vs 2024
Average grant
$1,766
+48.2% vs 2024
Median grant
$150
Total assets
$951,641
+12.3% vs 2024
New grantees (estimate)
27% first-time grantees (6 of 22, 2025; small sample)
Primary geography
Wisconsin (82% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Castlerock Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.

Contact

Mailing address: W1586 Cth Kk, Alma, WI 54610
Phone: (715) 946-3830

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Castlerock Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Buffalo County Historical Society: $24KBuffalo County HistoricalSociety$24KLyster Lutheran Church: $6KLyster Lutheran Church$6KSt Elizabeth Hospital Fdn: $5KSt Elizabeth Hospital Fdn$5KLeadership Institute: $1KLeadership Institute$1KBuffalo-Pepin Teen Court: $250Buffalo-Pepin Teen Court$250Friends of PBS Wisconsin: $205Friends of PBS Wisconsin$205St John WELCA: $200St John WELCA$200Alma Rod Gun Club: $200Alma Rod Gun Club$200National Freedom to Work Legal Defe: $200National Freedom to Work LegalDefe$200Scottish Rite of Freemasonry: $192Scottish Rite of Freemasonry$192

The largest 2025 recipient was Buffalo County Historical Society ($24K). Together the top 10 received $37K.

Grant Size Distribution

231 grants across all recorded years

229<$50K2$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 229 grants of 231 (99%).

Geographic Focus

Where this funder awards grants

In 2025, 82% of grant dollars went to recipients in Wisconsin, 14% to Minnesota, 3% to Virginia, and 1% to the District of Columbia.

Grant Distribution by State

20states

Share of 2025 grant dollars across all 22 itemized grants.

Cities

AlmaMondoviWashingtonCochraneWabashaNelsonLa CrosseArcadiaMadisonArlingtonFountain CityWinonaSaint PaulBuffalo CityColorado SpringsMilwaukeeDurandSpringfieldBarabooGalesville

Is Castlerock Foundation Inc open to new grantees?

27%

first-time grantees, 2025

In 2025, 6 of 22 grantees (27%) were first-time recipients. With only 22 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $140; repeat grants $2K. How we count

Medians: $125 first-time, $175 repeat.

  • 55% of 2025 grantees were also funded in 2024. Method
  • Giving fell 61% from 2022 to 2025. Method
  • In 2025 it paid out 51% 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 (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

$0$50K$100K$150K$200K60 grants2019 44 grants2020 43 grants2021 64 grants2022 57 grants2023 45 grants2024 22 grants2025

From 2019 to 2025, annual grant giving ranged from $39K (2025) to $167K (2020). In 2025 it made 22 grants totaling $39K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Buffalo County Historical Society Alma, WIFurther Exempt Purpose$24,200
Lyster Lutheran Church Nelson, WIFurther Exempt Purpose$5,700
St Elizabeth Hospital Fdn Wabasha, MNFurther Exempt Purpose$5,250
Leadership Institute Arlington, VAFurther Exempt Purpose$1,050
Buffalo-Pepin Teen Court Alma, WIFurther Exempt Purpose$250
Friends of PBS Wisconsin Madison, WIFurther Exempt Purpose$205
St John WELCA Alma, WIFurther Exempt Purpose$200
Alma Rod Gun Club Alma, WIFurther Purpose of Exempt Organization$200
National Freedom to Work Legal Defe Springfield, VAFurther Purpose of Exempt Organization$200
Scottish Rite of Freemasonry Washington, DCFurther Purpose of Exempt Organization$192
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$951,641$146,076$41,854$38,84722$41,854$143,069$82,759
2024$847,419$76,188$53,929$53,60445$53,929$76,188$83,705
2023$825,160$123,896$113,456$111,65657$111,656$72,096$84,272
2022$814,720$121,340$101,346$100,71564$101,346$81,325$85,007
2021$794,726$107,346$117,124$114,84743$117,124$105,567$79,051
2020$804,504$124,269$168,602$167,27344—$122,940$73,553
2019$848,838$127,778$161,096$159,11260—$126,044$78,290

Under IRS private-foundation payout rules, Castlerock Foundation Inc reported a distributable amount of $83K for 2025 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

No mission statement for the foundation is provided. Its grants show support for a range of organizations. For example, Leadership Institute describes its mission as educating people for successful participation in government, politics, and media. Friends of PBS Wisconsin says it supports PBS Wisconsin’s educational, cultural, and community broadcasting services. The Heritage Foundation describes its mission as formulating and promoting conservative public policies.

Grantmaking

In 2025, the foundation made 22 grants totaling $38,847. The median grant was $150; grants ranged from $100 to $24,200. Its largest grants included $24,200 to Buffalo County Historical Society, $5,700 to Lyster Lutheran Church, and $5,250 to St Elizabeth Hospital Fdn. Other reported grants included $1,050 to Leadership Institute, $205 to Friends of PBS Wisconsin, and $100 to The Heritage Foundation.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Gary B Schlosstein as President, Najib G Schlosstein as Vice President, and Shelby S Schlosstein as Secretary.

Castlerock Foundation Inc is led by Gary B Schlosstein, President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Gary B Schlosstein

    President

    On filings since 2019

    1 hr/week

    No compensation reported

  • Najib G Schlosstein

    Vice President

    On filings since 2019

    3 hrs/week

    No compensation reported

  • Shelby S Schlosstein

    Secretary

    On filings since 2019

    2 hrs/week

    No compensation reported

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 Castlerock Foundation Inc

How much does Castlerock Foundation Inc give each year?

Castlerock Foundation Inc gave $39K across 22 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $54K across 45 grants.

What is Castlerock Foundation Inc's typical grant size?

Castlerock Foundation Inc's median grant in 2025 was $150, and its average grant was $1,766, across 22 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Castlerock Foundation Inc that year got $140 on average.

Where does Castlerock Foundation Inc give grants?

Castlerock Foundation Inc gives mostly in Wisconsin: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Minnesota (14%). The most frequent recipient cities were Alma, WI (7 grants), Wabasha, MN (2 grants), Washington, DC (2 grants) and Mondovi, WI (2 grants).

Who are Castlerock Foundation Inc's largest grantees?

Castlerock Foundation Inc's largest 2025 grantees include Buffalo County Historical Society ($24,200), Lyster Lutheran Church ($5,700) and St Elizabeth Hospital Fdn ($5,250), according to its 2025 IRS Form 990-PF. Together they received 90% of its itemized 2025 grant dollars.

How large is Castlerock Foundation Inc?

Castlerock Foundation Inc reported $952K in total assets on its 2025 IRS Form 990-PF. It paid out $42K in qualifying distributions that year, against a required minimum of $83K (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 Castlerock Foundation Inc fund?

No mission statement for the foundation is provided. Its grants show support for a range of organizations. For example, Leadership Institute describes its mission as educating people for successful participation in government, politics, and media. See mission & focus areas ↑

How do I apply for a grant from Castlerock Foundation Inc?

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Castlerock Foundation Inc's EIN?

Castlerock Foundation Inc's EIN (Employer Identification Number) is 39-1942244. IRS Form 990 filing data is available on this page for 2019–2025.

Does Castlerock Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS May 13, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 1, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 10, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS November 12, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 17, 2025)
  7. Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
  8. IRS filings on file for fiscal years 2019–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Castlerock 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.

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