Charity Search / ONE LONGFELLOW SQUARE INC
Arts, Culture & Humanities (A60) IRS Verified DX Registered 990 on File

ONE LONGFELLOW SQUARE INC

EIN: 38-3833355 · PORTLAND, ME 04101-3889 · United States · FY 2024 Data
3 out of 5 56 / 100 Based on 2+ years of filings
Financial strength (30%) 82/100
Reliability (20%) 50/100
Effectiveness (25%) 85/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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ONE LONGFELLOW SQUARE INC logo
CharityAI™ Score
Not yet evaluated
Mission Statement

One Longfellow Square (OLS) is a non-profit performing arts presenter and concert venue with a mission to engage our community in the shared experience of a broad range of exceptional live music and support musicians at all stages of their artistic journey. OLS hosts over 150 shows, supports 1,000 artists, and reaches more than 20,000 audience members annually. Now celebrating its 15th Anniversary, OLS aims to increase access to our year-round programming and expand our reach beyond our walls as we also prepare to launch the first-ever Longfellow Emerging Artist Fellowship (LEAF) in 2026.

Financial Overview — FY 2024
$907K
Total Revenue
$1.0M
Total Expenses
$213K
Net Assets
23
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 79.1%
Fundraising Efficiency N/A
Operating Reserve 2.49x
Liability-to-Asset 32.6%
Revenue Diversification 71.8%
Executive Compensation $85K
Compared with Peers
FY 2024
Compared with 3,450 similar organizations (United States, Arts, Culture & Humanities, $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
79.1% 77.9%
P10P90
Above median
Admin expense ratio
Management and general / total expenses · lower is better
8.2% 14.4%
P10P90
Top quarter
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
12.7% 5.4%
P10P90
Bottom quarter
Operating reserve
Months of expenses covered by net assets · higher is better
2.5 mo 16.5 mo
P10P90
Bottom quarter
Liabilities to assets
Total liabilities / total assets · lower is better
32.6% 10.6%
P10P90
Bottom quarter
Revenue concentration
Share of revenue from the largest source · lower is better
71.8% 74.5%
P10P90
Above median
Revenue growth
Year over year revenue growth
20.2% 7.8%
P10P90
Expense growth
Year over year expense growth
25.3% 8.0%
P10P90
Surplus margin
Surplus as a share of revenue
-12.8% -0.5%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $907K $1.0M $213K 79.1% 23
2023 $755K $816K $329K 79.2% 16
2022 $514K $662K $390K 78.2% 14
2021 $749K $342K N/A 9
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Organization Details
EIN
38-3833355
State
ME
City
PORTLAND
ZIP
04101-3889
Classification
A60
Category
Arts, Culture & Humanities
Rating
3★
Coverage
A
Last Updated
Aug 2026
IRS Ruling Year
2010
Foundation Code
15
Form 990
On File
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