New York · Nonprofit
KNICKERBOCKER HISTORICAL SOCIETY INC
KNICKERBOCKER HISTORICAL SOCIETY INC (New York) receives grants from 1 organization whose IRS filings report $46,000 to it, the largest being RA HUNSDORFER FOUNDATION ($46,000). 1 of them have funded it in more than one year.
- Revenue FY2025
- $44k
- Funders on record
- 1
- Grants received
- $46k
- Net assets
- $479k
What Knickerbocker Historical Society Inc does
Mission
Organization is dedicated to restoring the knickerbocker mansion and educating the public about the historical, cultural, and literary impact of the knickerbocker family.
As stated on its FY2025 Form 990-EZ.
Program
Mansion tours, celebrations, family cemetery tours, authentic dutch meal preparation, educational tours for school youth groups and general public.
$6,766 spent100% of program spending
The program described on its FY2025 Form 990-EZ. Program spending in total: $6,766.
The organization over time
Each line starts at 100 in 2022, so what you read is the shape rather than the size: 150 means half as much again as 2022, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2024 to 2025, from $458k to $479k (+5%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
100% of KNICKERBOCKER HISTORICAL SOCIETY INC’s revenue is contributions — more donation-reliant than the typical peer (78% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 3 reported years ran a deficit.
Who funds it, year by year
2018 → 2023: the base held at 1 funder, grant income fell $10k → $7k.
From the IRS filings of KNICKERBOCKER HISTORICAL SOCIETY INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
100% of KNICKERBOCKER HISTORICAL SOCIETY INC's grant income comes from New York funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
KNICKERBOCKER HISTORICAL SOCIETY INC runs a healthier operating margin than three-quarters of the 10,242 arts & culture nonprofits its size.
this organization peer median middle 50% of peers· 10,242 arts & culture nonprofits under $100k, FY2025
Organizations like KNICKERBOCKER HISTORICAL SOCIETY INC
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In New York
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Public support
100%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for KNICKERBOCKER HISTORICAL SOCIETY INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds KNICKERBOCKER HISTORICAL SOCIETY INC?
- KNICKERBOCKER HISTORICAL SOCIETY INC (New York) receives grants from 1 organization whose IRS filings report $46,000 to it, the largest being RA HUNSDORFER FOUNDATION ($46,000). 1 of them have funded it in more than one year.
- How many funders does KNICKERBOCKER HISTORICAL SOCIETY INC have?
- IRS filings report 1 organization giving $46,000 in grants to KNICKERBOCKER HISTORICAL SOCIETY INC, 1 of which have funded it in more than one year.
- Who is the largest funder of KNICKERBOCKER HISTORICAL SOCIETY INC?
- RA HUNSDORFER FOUNDATION is the largest funder on record, with $46,000 in grants. The full list of funders is on this page.
- How can an organization like KNICKERBOCKER HISTORICAL SOCIETY INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in New York. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Knickerbocker Historical Society →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2022–2025), and the filings of 1 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing