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Sandstone Foundation

MAYFIELD HTS, OH EIN: 47-2442291 Website

Sandstone Foundation is a corporate foundation based in Mayfield Heights, Ohio. It is affiliated with Sandstone Capital Partners and operates as a 501(c)(3) private independent foundation. The organization was granted tax-exempt status in April 2015.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$85K

-65.2% YoY

Grant Count

18

-25.0% YoY

Avg Grant Size

$5K

-53.6% YoY

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

Mission & Focus Areas

The foundation supports a diverse range of charitable organizations. Recent grantmaking reflects interests in civil liberties, reproductive rights, education, arts and culture, and community development. Notable grantees include the ACLU, Preterm, Urge, Positive Education Program, The City Club of Cleveland, Borderlight International Theater Festival, and Hathaway Brown.

Grantmaking

The foundation received $200,000 in operating support from The Char and Chuck Fowler Family Foundation in 2024.

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Geographic Focus

Where this funder awards grants

The foundation operates primarily in Ohio, with a focus on the Cleveland area and surrounding communities.

Grant Distribution by State

8states

Cities

AKRONBEDFORD HEIGHTSBOSTONBROOKLYNCHAGRIN FALLSCLEVELANDCLEVELAND HEIGHTSCOLUMBUSDENVERLA JOLLALAKEWOODLOS ANGELESLYNDHURSTMARINA DEL REYNEW YORKNEWBURGH HEIGHTSPITTSBURGHSAINT PAULSAN DIEGOSAN FRANCISCO

Financial History

Multi-year comparison from IRS filings

2024 Financial Summary

  • Total Assets: $901,942
  • Total Revenue: $228,279
  • Total Expenses: $92,016
  • Total Liabilities: $0
  • Number of Employees: 0
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1201920202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$77K$155K$232K$310K20 grants201921 grants202025 grants202126 grants202224 grants202318 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

PLANNED PARENTHOOD$26KPOSITIVE EDUCATION PROGRAM$22KACLU OF OHIO$5KBORDERLIGHT$5KTHE CITY CLUB OF CLEVELAND$5KLA JOLLA PLAYHOUSE$3KPLAYHOUSE SQUARE$3KTHE OLD GLOBE$3KCASE WESTERN RESERVE UNI…$3KMEDWISH$3K

Grant Size Distribution

114 grants across all recorded years

110<$50K$50–100K4$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Planned Parenthood ($25,813), Positive Education Program ($22,200), Aclu of Ohio ($5,000).

RecipientPurposeAmount
ACLU OF OHIO CLEVELAND, OHGENERAL$5,000
AMERICAN CANCER SOCIETY CLEVELAND, OHGENERAL$200
BORDERLIGHT CLEVELAND, OHGENERAL$5,000
CASE WESTERN RESERVE UNIVERSITY CLEVELAND, OHGENERAL$2,500
FACING HISTORY AND OURSELVES BOSTON, MAGENERAL$1,000
FIRST TEE NEWBURGH HEIGHTS, OHGENERAL$1,010
IDEASTREAM CLEVELAND, OHGENERAL$1,200
LA JOLLA PLAYHOUSE LA JOLLA, CAGENERAL$3,000
MEDWISH CLEVELAND, OHGENERAL$2,500
PLANNED PARENTHOOD NEW YORK, NYGENERAL$25,813

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
ROBERT MARTENSDIRECTOR5
HOLLEY FOWLER MARTENSDIRECTOR5
ALYCIA P MARTENSDIRECTOR5

Contact Information

Address: 5900 Landerbrook Drive, Suite 200, Mayfield Heights, OH 44124

Telephone: 440-440-0460

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Sandstone Foundation fund?

The foundation supports a diverse range of charitable organizations. Recent grantmaking reflects interests in civil liberties, reproductive rights, education, arts and culture, and community development. Notable grantees include the ACLU, Preterm, Urge, Positive Education Program, The City Club of Cleveland, Borderlight International Theater Festival, and Hathaway Brown.

How do I apply for a grant from Sandstone Foundation?

**Grant Activity (2024)** • Made 24 grants in 2024 • Recent grants include: • Positive Education Program: $22,200 • The City Club of Cleveland: $5,000 • Borderlight International Theater Festival: $5,000 **Funding Sources** The foundation received $200,000 in operating support from The Char and Chuck Fowler Family Foundation in 2024.

Where does Sandstone Foundation make grants?

The foundation operates primarily in Ohio, with a focus on the Cleveland area and surrounding communities.

What size grants does Sandstone Foundation award?

In 2024, Sandstone Foundation awarded 18 grants totaling $85K — an average of about $5K per grant, based on its IRS Form 990 filings.

What is Sandstone Foundation's EIN?

Sandstone Foundation's EIN (Employer Identification Number) is 47-2442291. IRS Form 990 filing data is available on this page for 2019–2024.

Explore Open Grants

Browse active grant opportunities in Sandstone Foundation's focus areas in our free grants database

Related Funders

Similar funders by location and focus area

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

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