Skip to the page content
Your donations
Passes our checks

Old Stone House of Brooklyn

EIN 11-3032836 · Brooklyn, NY

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthGood78 out of 100GovernanceStrong97 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE ORGANIZATION'S MISSION IS TO DRAW ON ITS HISTORY - LENAPE HOMELAND, DUTCH COLONIZATION, AMERICAN REVOLUTION AND BEYOND - TO EDUCATE, INSPIRE, AND PROMOTE CIVIC ENGAGEMENT IN THE FOLLOWING WAYS:- PROGRAMMING FOCUSES ON THE PRE-COLONIAL HISTORY OF THE GOWANUS, BROOKLYN'S DUTCH COLONIAL ERA, THE BATTLE OF BROOKLYN, AND THE ENVIRONMENT. WE FULFILL OUR MISSION BY STEWARDING WASHINGTON PARK AND THE J.J. BYRNE PLAYGROUND BY DEVELOPING GARDENS OF NATIVE AND HISTORIC PLANTS AND GARNERING $20,000,000 FOR AN ACCESSIBLE BUILDING, AN INTERPRETIVE PLAYGROUND, AND RECREATIONAL RENOVATIONS.- ENCOURAGING CIVIC ENGAGEMENT BY PROVIDING SPACE FOR COMMUNITY MEETINGS, PARTICIPATORY BUDGETING AND OTHER ACTIVITIES THAT RAISE AWARENESS OF CIVICS AND DEMOCRACY.- OFFERING CULTURAL EVENTS PROGRAMMING THAT SUPPORTS SMALL AND MEDIUM-SIZED ARTS ORGANIZATIONS WHILE MEETING THE NEEDS AND INTERESTS OF OUR COMMUNITY.

Income
$555,214
Spending
$582,037
Spent on programs
75%
Reserves
4 months of spending
Largest source of income
government grants, 33%
Employees
7
Volunteers
270

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Good: 78 out of 100.

  • Reserves

    20 of 35

    Spendable reserves would cover 4.0 months of spending.

  • Debt

    20 of 20

    It owes 3% of what it owns.

  • Living within its means

    8 of 15

    Spending exceeded income by 5% of income.

  • Income trend

    15 of 15

    Income rose 6% on the year before.

  • Spending floor

    15 of 15

    75% of spending went to programs and raising each dollar of donations cost 11 cents.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 97 out of 100.

  • Independent board

    25 of 25

    7 of 7 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Independent check of accounts

    12 of 15

    Its accounts were reviewed or compiled by an independent accountant, but not audited.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $439,115 spent. IN THE PAST DECADE, THE CORPORATION HAS ADVOCATED FOR MORE THAN $20,000,000 IN PARK IMPROVEMENTS, INCLUDING A SOON-TO-BE-IMPLEMENTED ACCESSIBILITY PROJECT THAT WILL MAKE THE BUILDING ACCESSIBLE FOR THE FIRST TIME IN NINETY-NINE YEARS VIA AN ELEVATOR TO THE 2ND FLOOR, AND RESTROOMS. ADDITIONAL IMPROVEMENTS INCLUDE 1.5 ACRES OF LANDSCAPE DESIGN FOR SUSTAINABILITY AND WATER CAPTURE, PLAYGROUND IMPROVEMENTS, AND A DOG RUN RENOVATION THAT WAS COMPLETED IN 2024.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending June 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since June 1991.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.