Charity Search / LIMESTONE FOUNDATION
Philanthropy & Grantmaking (T20) 990 on File

LIMESTONE FOUNDATION

EIN: 47-7017224 · BOSTON, MA 02109-0000 · United States · FY 2024 Data
3 out of 5 50 / 100 Based on 2+ years of filings
Financial strength (30%) 92/100
Reliability (20%) 50/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Financial Overview — FY 2024
$8.6M
Total Revenue
$3.4M
Total Expenses
$46.2M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 83.2%
Fundraising Efficiency N/A
Operating Reserve 162.76x
Liability-to-Asset 0.0%
Revenue Diversification 93.1%
Executive Compensation $0
Compared with Peers
FY 2024
Compared with 5,337 similar organizations (United States, Philanthropy & Grantmaking, $1M–$10M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
83.2% 90.9%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
162.8 mo 80.9 mo
P10P90
Above median
Liabilities to assets
Total liabilities / total assets · lower is better
0.0% 0.0%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
93.1% 89.7%
P10P90
Below median
Revenue growth
Year over year revenue growth
216.3% 21.6%
P10P90
Expense growth
Year over year expense growth
-20.3% 9.6%
P10P90
Surplus margin
Surplus as a share of revenue
60.2% 2.5%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $8.6M $3.4M $46.2M 83.2%
2023 $2.7M $4.3M $41.1M 84.7%
2022 $1.3M $3.0M $42.7M 79.6%
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Organization Details
EIN
47-7017224
State
MA
City
BOSTON
ZIP
02109-0000
Classification
T20
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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