Keystone Foundation

EIN 32-0487141 • Brooklyn, NY

Pub. 78 EligibleNTEE T20

A Ringel 1750 44th StreetBrooklyn, NY 11204-1050

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

NTEE T20 • <$500k nonprofits • Source year 2025

0.00x

Tied with the lowest-debt nonprofits in its peer group.

NTEE T20 • <$500k nonprofits • Source year 2025

-117%

Higher net margin than 19% of similar nonprofits.

NTEE T20 • <$500k nonprofits • Source year 2025

Higher top officer pay than 92% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

NTEE T20 • <$500k nonprofits • Source year 2025

-26%

Faster asset growth than 23% of similar nonprofits.

NTEE T20 • <$500k nonprofits • Annualized from 2024 to 2025

102%

Faster revenue growth than 81% of similar nonprofits.

NTEE T20 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet

Liabilities / Assets85th percentile

Assets

Down

$174,605

Down $60,500 (-26%) from 2024

Liabilities

Flat

Flat from 2024

Net Assets

Down

$174,605

Down $60,500 (-26%) from 2024

Operations

Liabilities / Revenue85th percentile Net Margin19th percentile

Revenue

$51,822

Up $26,192 (+102%) from 2024

Expenses

Down

$112,322

Down $14,022 (-11%) from 2024

Net Income

-$60,500

Up $40,214 (+40%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth23rd percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Highlighted filing

2025

Assets$174,605

Liabilities$0

Net Assets$174,605

Open 2025 Filing

Operations Trend

Revenue Growth81st percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Highlighted filing

2025

Revenue$51,822

Expenses$112,322

Net Income-$60,500

Open 2025 Filing

Filings

Most recent year

2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: $174,605
Liabilities: $0
Net assets: $174,605
Revenue: $51,822
Expenses: $112,322
Net income: -$60,500

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.	$1.75	$0.00	$1.75	$0.52	$1.12	$0.61
2024Detailed filing. Detailed filing data is available for this year.	$2.35	$0.00	$2.35	$0.26	$1.26	$1.01
2023Detailed filing. Detailed filing data is available for this year.	$3.36	$0.00	$3.36	$0.27	$1.04	$0.77
2022Detailed filing. Detailed filing data is available for this year.	$4.13	$0.00	$4.13	$3.58	$0.73	$2.85
2021Detailed filing. Detailed filing data is available for this year.	$1.57	$0.00	$1.57	$1.25	$0.44	$0.81

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: May 1, 2024 to Apr 30, 2025
Signed: Aug 25, 2025
Return Version: 2024v5.2

Compensation and Service Providers

Top Officer Pay92nd percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
ISAAC RINGEL	Trustee	-	$0	-	-
ZEHAVA RINGEL	Trustee	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Keystone Foundation
EIN: 32-0487141
Phone: 2127794700
Address: A RINGEL 1750 44TH STREET, BROOKLYN, NY 11204-1050

Signing Officer

Name: Isaac Ringel
Title: Trustee
Phone: 2127794700
Signed: 2025-08-25
Discuss with paid preparer: Yes

Preparer

Firm: Barry M Strauss Assoc Ltd
Address: 307 FIFTH AVENUE 8TH FL, NEW YORK, NY 10016-6517
Preparer: Arye Ringel
Phone: 2127794700

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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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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt	9	YESHIVA BETH MOSHE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	0	115 SUBROOK LANE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	1	1025 VINE STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	2	4305 15TH AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	3	738 CLAY AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	4	17 HIGH STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	5	530 MONROE AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	6	1464 EAST SPURCE STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	7	328 3RD STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	8	6225 NEW UTRECHT AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt	9	930 HICKORY STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	0	PIKESVILLE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	1	SCRANTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	2	BROOKLYN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	3	SCRANTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	4	LAKEWOOD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	5	SCRANTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	6	LAKEWOOD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	7	LAKEWOOD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	8	BROOKLYN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm	9	SCRANTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	0	MD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	1	PA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	2	NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	3	PA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	4	NJ
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	5	PA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	6	NJ
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	7	NJ
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	8	NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd	9	PA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	0	21208
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	1	18510
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	2	11219
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	3	18510
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	4	08701
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	5	18510
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	6	08701
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	7	08701
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	8	11219
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd	9	18505
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	0
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	109486
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt	0	13407
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt	0	0
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt	0	0
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	13407
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt	0	107439
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt	0	81707
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt	0	59924
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt	0	37587
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt	0	47785
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt	0	47785
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	382736
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	96079
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt	0	107439
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt	0	81707
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt	0	59924
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt	0	37587
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt	0	0
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt	0	0
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	109486
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	96079
IRS990PF/UndistributedIncomeGrp/Taxable1Amt	0	0
IRS990PF/UndistributedIncomeGrp/Taxable2Amt	0	0
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	430521
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	334442
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	0
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt	0	2811
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt	0	MERRILL LYNCH - INVESTMENT ADVISORY
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/DisbursementsCharitablePrpsAmt	0	0
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt	0	2811
TaxesSchedule/TaxesDetail/Amt	0	25
TaxesSchedule/TaxesDetail/CategoryTxt	0	FOREIGN TAX W/H
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt	0	0
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt	0	25
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	1
ReturnHeader/BusinessOfficerGrp/PersonNm	0	ISAAC RINGEL
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	TRUSTEE
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	2127794700
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-08-25
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	KEYSTONE FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt	0	KEYS
ReturnHeader/Filer/EIN	0	320487141
ReturnHeader/Filer/PhoneNum	0	2127794700
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	A RINGEL 1750 44TH STREET
ReturnHeader/Filer/USAddress/CityNm	0	BROOKLYN
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	NY
ReturnHeader/Filer/USAddress/ZIPCd	0	112041050
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	0
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	133499413
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	BARRY M STRAUSS ASSOC LTD
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	307 FIFTH AVENUE 8TH FL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	NEW YORK
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	NY
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	100166517
ReturnHeader/PreparerPersonGrp/PhoneNum	0	2127794700
ReturnHeader/PreparerPersonGrp/PreparationDt	0	2025-08-25
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	ARYE RINGEL
ReturnHeader/ReturnTs	0	2025-08-25T22:07:12-05:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-05-01
ReturnHeader/TaxPeriodEndDt	0	2025-04-30
ReturnHeader/TaxYr	0	2024

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