Private Foundation

LIMESTONE FOUNDATION

LIMESTONE FOUNDATION, of BOSTON, MA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2024 filing shows $8.6M in revenue, $3.4M in expenses, $46.2M in total assets. IRS filings disclose 139 grants awarded by this foundation, totaling roughly $11.4M.

EIN: 477017224 BOSTON, MA Latest filing: 2024

Total Revenue$8.6M

Total Expenses$3.4M

Total Assets$46.2M

Grants Given139

Grant Total$11.4M

Filing Years2020–2024

Sample Grants Given

CENTER ON BUDGET AND POLICY PRIORITIES

WASHINGTON, DC · 2024

GREENSTEIN FUND FOR A JUST FUTURE

$505,000

NEW MEXICO VOICES FOR CHILDREN

ALBUQUERQUE, NM · 2024

GENERAL OPERATING SUPPORT

$300,000

KENTUCKY CENTER FOR ECONOMIC POLICY INC

BEREA, KY · 2024

GENERAL OPERATIONS

$275,000

KENTUCKY COALITION INC

SASSER, KY · 2024

GENERAL OPERATIONS

$150,000

KENTUCKY CIVIC ENGAGEMENT TABLE INC

LOUISVILLE, KY · 2024

GENERAL OPERATING SUPPORT

$150,000

Showing up to 5 of 139 total records — full history available with membership.

Officers & Directors

TRUSTEE Alan Rottenberg

TRUSTEE David Wood

TRUSTEE Elizabeth Deknatel

TRUSTEE Gabriel Deknatel

TRUSTEE Maria Deknatel

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATING SUPPORT

$7,336,000 89 grants

GENERAL OPERATIONS

$1,625,000 19 grants

KENTUCKY CENTER FOR ECONOMIC POLICY

$1,010,000 3 grants

GREENSTEIN FUND FOR A JUST FUTURE

$505,000 1 grant

AMERICANS FOR TAX FAIRNESS

$272,500 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$8.6M	$3.4M	$46.2M
2023	$2.7M	$4.3M	$41.1M
2022	$1.3M	$3.0M	$42.7M
2020	$3.1M	$4.5M	$41.5M

Between 2020 and 2024, reported annual revenue grew from $3.1M to $8.6M (+176%), with total assets most recently reported at $46.2M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AK, AZ, CA, DC, GA, IL, and 4 other states.

AKAZCADCGAILINKSKYMA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for LIMESTONE FOUNDATION

Complete financials, all 139 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports