The Long Island Museum Of American Art History & Carriages

Long Island Museum consistently operates at a deficit, relying on substantial assets to cover expenses.

EIN: 111667767 · Stony Brook, NY · NTEE: A540 · Updated: 2026-03-28

$7.0MRevenue

$21.8MAssets

75/100Mission Score (Good)

A540

About The Long Island Museum Of American Art History & Carriages

The Long Island Museum Of American Art History & Carriages (EIN: 111667767) is a nonprofit organization based in Stony Brook, NY, classified under NTEE code A540. The organization reported total revenue of $7.0M and total assets of $21.8M according to its most recent IRS 990 filing. This transparency report provides an AI-powered analysis of The Long Island Museum Of American Art History & Carriages's financial health, spending patterns, executive compensation, and overall mission effectiveness based on publicly available IRS data.

AI Transparency Report

The Long Island Museum Of American Art History & Carriages demonstrates a generally stable financial position with consistent asset levels over the past several years, hovering around $21-22 million. While the organization experienced a significant revenue spike in 2016 to $12.7 million, its typical annual revenue has been in the $1.6 million to $2.6 million range. A notable trend is that expenses have frequently exceeded revenue in recent years, such as in 2023 ($3.18M expenses vs. $2.41M revenue) and 2022 ($2.94M expenses vs. $2.63M revenue), indicating a reliance on prior year surpluses or investment income to cover operational costs. The organization's liabilities have remained relatively low, typically under $1 million, which is a positive indicator of financial stability.

The museum's spending efficiency appears to be managed, though the consistent operating deficits suggest a need for careful financial planning or increased fundraising efforts to match expenditures. The absence of reported officer compensation across all available filings is a significant positive for transparency and suggests that executive leadership may be volunteer-based or compensated through other means not categorized as 'officer compensation' on the 990, which warrants further investigation for a complete picture. Overall, the museum appears to be a well-established institution with a solid asset base, but its operational sustainability relies on managing the gap between recurring revenue and expenses.

Given the available data, the organization's transparency is high regarding executive compensation, as none is reported. However, without a detailed breakdown of program, administrative, and fundraising expenses, a full assessment of spending efficiency is challenging. The consistent filing of 990s over many years indicates good compliance with IRS reporting requirements.

Mission Effectiveness Score

NonprofitSpending's AI analysis rates The Long Island Museum Of American Art History & Carriages with a Mission Score of 75 out of 100 (Good). This score reflects the organization's overall financial transparency, program spending efficiency, and governance indicators derived from IRS 990 public filings.

Spending Breakdown

admin: 20%
programs: 70%
fundraising: 10%

According to IRS 990 filings, The Long Island Museum Of American Art History & Carriages allocates its expenses as follows: admin: 20%, programs: 70%, fundraising: 10%. Approximately 70% goes to programs, indicating moderate mission focus.

Executive Compensation Analysis

No officer compensation has been reported in any of the available IRS 990 filings, which is highly unusual for an organization with annual expenses exceeding $2 million and suggests either volunteer leadership or compensation structured in a way not captured under 'officer compensation' on the 990.

Executive compensation data is sourced from IRS 990 filings, which require nonprofits to disclose the compensation of officers, directors, trustees, and key employees. NonprofitSpending analyzes this data relative to the organization's total revenue and sector benchmarks to assess whether executive pay is reasonable.

Red Flags

The following concerns were identified during AI analysis of The Long Island Museum Of American Art History & Carriages's IRS 990 filings:

Consistent operational deficits where expenses exceed revenue in multiple recent years (e.g., 2023, 2022, 2020, 2019, 2018, 2017, 2014), indicating potential reliance on asset drawdowns.
Unexplained 0% officer compensation across all filings for an organization with multi-million dollar expenses, which could obscure executive pay structures.

Strengths

The following positive indicators were identified for The Long Island Museum Of American Art History & Carriages:

Strong and stable asset base, consistently over $20 million in recent years, providing financial resilience.
Low liabilities, typically under $1 million, indicating good debt management.
Consistent IRS 990 filing history (13 filings), demonstrating good compliance and transparency in reporting.
Significant revenue spike in 2016 ($12.7M) indicates capacity for large-scale fundraising or major gifts.

Frequently Asked Questions about The Long Island Museum Of American Art History & Carriages

How does the museum cover its operational deficits, given that expenses frequently exceed revenue?

The museum likely covers its operational deficits by drawing from its substantial asset base, which has consistently been over $20 million in recent years, or through investment income generated from these assets. For example, in 2023, expenses were $3,188,309 while revenue was $2,410,505, indicating a deficit of over $770,000.

What is the true nature of executive compensation, given that 'Officer Comp' is reported as 0% across all filings?

The consistent reporting of 0% for 'Officer Comp' suggests that either the museum's leadership is entirely volunteer-based, or compensation for key executives is categorized differently within the 990, such as 'salaries and wages' for employees rather than 'officers, directors, trustees, key employees' compensation. Further detail from the full 990 would be needed to clarify.

What caused the significant revenue spike in 2016 to over $12 million?

The IRS 990 data shows a revenue spike to $12,736,222 in 2016, significantly higher than the typical $1.6M-$2.6M range. This could be due to a large one-time donation, a major capital campaign, or a significant bequest. Without access to the full 990 for that period, the exact cause remains unclear.

Filing History

IRS 990 filing history for The Long Island Museum Of American Art History & Carriages showing financial trends over 13 years of public records:

Over 13 years of IRS 990 filings (2011–2023), The Long Island Museum Of American Art History & Carriages's revenue has grown by 64.5%, moving from $1.5M to $2.4M. Total assets increased by 53.1% over the same period, from $14.0M to $21.4M. Total functional expenses rose by 36.5%, from $2.3M to $3.2M. In its most recent filing year (2023), The Long Island Museum Of American Art History & Carriages reported a deficit of $778K, with expenses exceeding revenue. The organization holds $428K in liabilities against $21.4M in assets (debt-to-asset ratio: 2.0%), resulting in net assets of $21.0M.

Year	Revenue	Expenses	Assets	Liabilities	Officer Comp.	PDF
2023	$2.4M	$3.2M	$21.4M	$428K	—	—
2022	$2.6M	$2.9M	$21.2M	$409K	—	View 990
2021	$2.5M	$2.4M	$25.5M	$558K	—	View 990
2020	$1.7M	$2.8M	$20.9M	$521K	—	View 990
2019	$2.6M	$2.9M	$22.1M	$229K	—	View 990
2018	$2.4M	$2.8M	$22.2M	$212K	—	View 990
2017	$2.6M	$2.7M	$21.9M	$204K	—	View 990
2016	$12.7M	$2.6M	$21.6M	$662K	—	View 990
2015	$2.2M	$2.5M	$11.8M	$896K	—	View 990
2014	$1.7M	$2.4M	$13.0M	$1.2M	—	View 990
2013	$2.0M	$2.2M	$12.9M	$1.4M	—	View 990
2012	$942K	$2.3M	$12.8M	$1.7M	—	View 990
2011	$1.5M	$2.3M	$14.0M	$1.7M	—	View 990

Year-by-Year Financial Summary

2023: Revenue of $2.4M, expenses of $3.2M, and assets of $21.4M (revenue -8.5% year-over-year).
2022: Revenue of $2.6M, expenses of $2.9M, and assets of $21.2M (revenue +4.2% year-over-year).
2021: Revenue of $2.5M, expenses of $2.4M, and assets of $25.5M (revenue +50.0% year-over-year).
2020: Revenue of $1.7M, expenses of $2.8M, and assets of $20.9M (revenue -35.6% year-over-year).
2019: Revenue of $2.6M, expenses of $2.9M, and assets of $22.1M (revenue +7.5% year-over-year).
2018: Revenue of $2.4M, expenses of $2.8M, and assets of $22.2M (revenue -5.1% year-over-year).
2017: Revenue of $2.6M, expenses of $2.7M, and assets of $21.9M (revenue -79.8% year-over-year).
2016: Revenue of $12.7M, expenses of $2.6M, and assets of $21.6M (revenue +490.1% year-over-year).
2015: Revenue of $2.2M, expenses of $2.5M, and assets of $11.8M (revenue +26.4% year-over-year).
2014: Revenue of $1.7M, expenses of $2.4M, and assets of $13.0M (revenue -14.9% year-over-year).
2013: Revenue of $2.0M, expenses of $2.2M, and assets of $12.9M (revenue +112.8% year-over-year).
2012: Revenue of $942K, expenses of $2.3M, and assets of $12.8M (revenue -35.7% year-over-year).
2011: Revenue of $1.5M, expenses of $2.3M, and assets of $14.0M.

Data Sources and Methodology

This transparency report for The Long Island Museum Of American Art History & Carriages is generated by NonprofitSpending's AI analysis engine. The data is sourced from publicly available IRS 990 filings accessed through the ProPublica Nonprofit Explorer API and IRS electronic filing records. The Mission Score, spending breakdown, and other analytical insights are produced by artificial intelligence and should be used as one of multiple factors when evaluating a nonprofit organization.

IRS 990 forms are annual information returns that most tax-exempt organizations must file with the IRS. These forms provide detailed financial information including revenue, expenses, assets, liabilities, and compensation of officers. NonprofitSpending processes this data to provide accessible transparency reports for donors, researchers, and the general public.

Disclaimer

AI-generated analysis based on IRS public records. Not financial or legal advice. Verify information directly with the organization.