Mason Slaine Family Foundation Inc

Private foundation · Grantmaker Boca Raton, FL EIN: 88-3794554

Mason Slaine Family Foundation Inc is a private foundation, based in Boca Raton, FL. IRS filing data is available from 2022 through 2025. As of 2025, the organization holds $55K in total assets. In 2025, it awarded 3 grants totaling $103K. Net investment income was $127K.

Mason Slaine Family Foundation Inc at a glance

In short: Mason Slaine Family Foundation Inc gave $103K across 3 grants in 2025 (avg $34K), mostly in Florida. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$103,100
Grants made (2025)
3
Average grant
$34,367
Median grant
$2,500
Total assets
$55,325
Primary geography
Florida (99% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Mason Slaine Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Boca Raton Regional Hospital Foundation Inc: $100KBoca Raton Regional HospitalFoundation Inc$100KChildren's Place at Home Safe Inc: $3KChildren's Place at Home SafeInc$3KHelping Israel Fund: $600Helping Israel Fund$600

The largest 2025 recipient was Boca Raton Regional Hospital Foundation Inc ($100K). Together the top 3 received $103K.

Grant Size Distribution

3 grants across all recorded years

2<$50K$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 2 grants of 3 (67%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

Boca RatonEast BrunswickLake Worth

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K0 grants2022 0 grants2023 0 grants2024 3 grants2025

In 2025 it made 3 grants totaling $103K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Boca Raton Regional Hospital Foundation Inc Boca Raton, FLGeneral Operations$100,000
Children's Place at Home Safe Inc Lake Worth, FLGeneral Operations$2,500
Helping Israel Fund East Brunswick, NJGeneral Operations$600
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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 Income
2025$55,325$417,155$106,300$103,1003$103,100$127,254

Leadership & Key People

Officers and directors from IRS filings

Mason Slaine Family Foundation Inc's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Mason Paul Slaine

    Director

    On filings since 2022

    0.5 hrs/week

    No compensation reported

  • Matthew Justin Slaine

    Director

    On filings since 2022

    0.5 hrs/week

    No compensation reported

  • Spencer Harrison Slaine

    Director

    On filings since 2022

    0.5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2022–2025. "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 Mason Slaine Family Foundation Inc

How much does Mason Slaine Family Foundation Inc give each year?

Mason Slaine Family Foundation Inc gave $103K across 3 grants in 2025, according to its 2025 IRS Form 990-PF.

What is Mason Slaine Family Foundation Inc's typical grant size?

Mason Slaine Family Foundation Inc's median grant in 2025 was $2,500, and its average grant was $34,367, across 3 grants on its 2025 IRS Form 990-PF.

Where does Mason Slaine Family Foundation Inc give grants?

Mason Slaine Family Foundation Inc gives mostly in Florida: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.

Does Mason Slaine Family Foundation Inc give general operating support?

Yes: 100% of Mason Slaine Family Foundation Inc's 2025 grants with a stated purpose (3 of 3) were for general or operating support, per its 2025 IRS Form 990-PF.

How large is Mason Slaine Family Foundation Inc?

Mason Slaine Family Foundation Inc reported $55K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $417K.

What is Mason Slaine Family Foundation Inc's EIN?

Mason Slaine Family Foundation Inc's EIN (Employer Identification Number) is 88-3794554. IRS Form 990 filing data is available on this page for 2022–2025.

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

Data update history

(4)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2022 (received by the IRS May 28, 2025)
  2. Added Form 990-PF for fiscal year 2023 (received by the IRS May 28, 2025)
  3. Added Form 990-PF for fiscal year 2024 (received by the IRS May 28, 2025)
  4. Added Form 990-PF for fiscal year 2025 (received by the IRS May 5, 2026)

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Figures come from Mason Slaine Family 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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