Liabilities / Assets
58th percentile
Tied with the lowest-debt nonprofits in its peer group.
Willowbrook Swim Club Inc
EIN 13-2559132 • 501(c)7 • Chappaqua, NY
Profile
NONE
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.00x
Liabilities / Revenue
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
26th percentile
Higher net margin than 26% of similar nonprofits.
Top Officer Pay
94th percentile
Higher top officer pay than 94% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
12th percentile
Faster asset growth than 12% of similar nonprofits.
Revenue Growth
75th percentile
Faster revenue growth than 75% of similar nonprofits.
Balance Sheet
Assets
Down$40,986
Down $33,288 (-45%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Down$40,986
Down $33,288 (-45%) from 2024
Revenue
Up$448,886
Up $65,387 (+17%) from 2024
Expenses
Up$482,174
Up $27,875 (+6.1%) from 2024
Net Income
Up-$33,288
Up $37,512 (+53%) from 2024
Trend Graphs
Filings
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
- Assets
- $40,986
- Liabilities
- $0
- Net assets
- $40,986
- Revenue
- $448,886
- Expenses
- $482,174
- Net income
- -$33,288
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Nov 1, 2024 to Oct 31, 2025
- Signed
- Jan 15, 2026
- Return Version
- 2024v5.5
- Gross Receipts
- $448,886
Mission and Program Overview
Mission
To provide swim and tennis that would otherwise not be able to afford it.
Swim and tennis club Internal Revenue Code Section 501 (C) (7)
Balance Sheet Detail
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cap Stk Tr Prin Current Funds | $487,018 | $487,018 | → $0 |
| Cash and Non-Interest-Bearing Accounts | $21,492 | $38,420 | ▲ $16,928 |
| Land, Buildings, and Equipment, Net | $52,782 | $2,566 | ▼ $50,216 |
| Pd in Cap Srpls Land Bldg Eqp Fund | $0 | $0 | → $0 |
| Rtn Earn Endowment Incm Other Fnds | $-412,744 | $-446,032 | ▼ $33,288 |
| Total Assets | $74,274 | $40,986 | ▼ $33,288 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $74,274 | $40,986 | ▼ $33,288 |
| Total Liabilities and Net Assets / Fund Balance | $74,274 | $40,986 | ▼ $33,288 |
Asset Categories
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $2,566 | $59,331 | $61,863 |
| Leasehold Improvements | $0 | $28,335 | $28,335 |
| Other Land Buildings | - | $0 | $0 |
Compensation and Service Providers
Board Members and Trustees
| Name | Title |
|---|---|
| Harriet Engle | President |
Revenue and Support
Revenue Composition
- Contributions and Grants
- $0
- Program Service Revenue
- $448,886
- Investment Income
- $0
- Other Revenue
- $0
- Change in Net Assets
- $-33,288
Expenses and Functional Allocation
Major Expense Lines
| Line Item | Amount |
|---|---|
| Other Expenses | $352,914 |
| Salaries, Compensation, and Employee Benefits | $129,260 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
Functional Expense Allocation
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| All Other Expenses | $145,627 | - | - | $145,627 |
| Other Salaries and Wages | $129,260 | - | - | $129,260 |
| Other Expenses | $37,177 | - | - | $37,177 |
| Fees for Services Other | $10,000 | - | - | $10,000 |
| Depreciation Depletion | - | - | - | $2,531 |
| Fees for Services Accounting | $1,500 | - | - | $1,500 |
| Advertising | $430 | - | - | $430 |
| Total Functional Expenses | $479,643 | $0 | $0 | $482,174 |
Fundraising, Events, and Gaming
- Fundraising activities
- No
- Gaming activities
- No
- Professional fundraiser used
- No
Fundraising and Gaming Totals
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
Political and Lobbying Activity
- Political campaign activity
- No
- Subject to proxy tax
- No
Governance and Compliance
Governance Checklist
- Compiled or reviewed by an accountant
- No
- Business relationship with 35% controlled entity
- No
- Business relationship with family members
- No
- Business relationship with organization members
- No
- Material changes to governing documents
- No
- Compensation from other sources disclosed
- No
- CEO compensation reviewed
- No
- Other officer compensation reviewed
- No
- Conflict-of-interest policy
- No
- Audited financial statements prepared
- No
- Key decisions subject to board approval
- No
- Management duties delegated
- No
Governance Explanations
Form 990, Part VI, Section B, line 11B
“No explanations required”
Form 990, Part VI, Section C, line 19
“Governing documents are available to members.”
Filing and Contact Details
Filer
- Filer Name
- Willowbrook Swim Club Inc
- EIN
- 13-2559132
- Phone
- 9146663916
- Address
- PO Box 43, Chappaqua, NY 10514
Signing Officer
- Name
- Harriet Engle
- Title
- President
- Phone
- 9142174603
- Signed
- 2026-01-15
- Discuss with paid preparer
- Yes
Organization Details
- Principal Officer
- Herriet Engle
- Formed
- 1965
- Legal Domicile
- Ny
- Voting Board Members
- 9
- Independent Board Members
- 9
- Employees
- 0
- Volunteers
- 0
Preparer
- Firm
- Arthur Isaacson & Co CPA
- Address
- 5808 New Utrecht Avenue, Brooklyn, NY 11219
- Preparer
- Arthur Isaacson
- Phone
- 7188530999
Supplemental Narrative
Additional Explanations
Form 990, Part IX, line 24E
“Real Estate Tax: Program service expenses 35517. Management and general expenses 0. Fundraising expenses 0. Total expenses 35517. Water: Program service expenses 17762. Management and general expenses 0. Fundraising expenses 0. Total expenses 17762. Repairs: Program service expenses 17395. Management and general expenses 0. Fundraising expenses 0. Total expenses 17395. Pool Supplies: Program service expenses 15866. Management and general expenses 0. Fundraising expenses 0. Total expenses 15866. Ground Maintenance: Program service expenses 15242. Management and general expenses 0. Fundraising expenses 0. Total expenses 15242. Equipment Repairs: Program service expenses 13288. Management and general expenses 0. Fundraising expenses 0. Total expenses 13288. Swim Team Expenses: Program service expenses 8315. Management and general expenses 0. Fundraising expenses 0. Total expenses 8315. Telephone: Program service expenses 5237. Management and general expenses 0. Fundraising expenses 0. Total expenses 5237. Rent: Program service expenses 4714. Management and general expenses 0. Fundraising expenses 0. Total expenses 4714. Rubbish: Program service expenses 3532. Management and general expenses 0. Fundraising expenses 0. Total expenses 3532. Social Expense: Program service expenses 2810. Management and general expenses 0. Fundraising expenses 0. Total expenses 2810. Licenses And Permits: Program service expenses 2245. Management and general expenses 0. Fundraising expenses 0. Total expenses 2245. Dues And Subscriptions: Program service expenses 1719. Management and general expenses 0. Fundraising expenses 0. Total expenses 1719. Equipment Rental: Program service expenses 916. Management and general expenses 0. Fundraising expenses 0. Total expenses 916. Cleaning: Program service expenses 400. Management and general expenses 0. Fundraising expenses 0. Total expenses 400. Bank Fees: Program service expenses 300. Management and general expenses 0. Fundraising expenses 0. Total expenses 300. Miscellanous Taxes: Program service expenses 250. Management and general expenses 0. Fundraising expenses 0. Total expenses 250. Supplies: Program service expenses 103. Management and general expenses 0. Fundraising expenses 0. Total expenses 103. Printing: Program service expenses 16. Management and general expenses 0. Fundraising expenses 0. Total expenses 16.”
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This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
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| IRS990/VotingMembersGoverningBodyCnt | 0 | 9 |
| IRS990/VotingMembersIndependentCnt | 0 | 9 |
| IRS990/WebsiteAddressTxt | 0 | WWW.Willowbrookswim.org |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Harriet Engle |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 9142174603 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-01-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Willowbrook Swim Club Inc |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | WILL |
| ReturnHeader/Filer/EIN | 0 | 132559132 |
| ReturnHeader/Filer/PhoneNum | 0 | 9146663916 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO Box 43 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Chappaqua |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 10514 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 0 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 112881549 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Arthur Isaacson & Co CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 5808 New Utrecht Avenue |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Brooklyn |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 11219 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7188530999 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-01-15 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Arthur Isaacson |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2026-01-15T14:02:28-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-11-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-10-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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