Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 36-4218716 • 501(c)3 • Chicago, IL
Profile
To provide funding for the restoration projects at the bryan lathrop house
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
95th percentile
Higher net margin than 95% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
79th percentile
Faster asset growth than 79% of similar nonprofits.
Revenue Growth
74th percentile
Faster revenue growth than 74% of similar nonprofits.
Assets
Up$2,624,010
Up $646,980 (+33%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$2,624,010
Up $646,980 (+33%) from 2024
Revenue
Up$784,293
Up $249,052 (+47%) from 2024
Expenses
Down$204,541
Down $370,155 (-64%) from 2024
Net Income
Up$579,752
Up $619,207 (+1569%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
To provide funding for the restoration projects at the brian lathrop house
To provide funding for the restoration projects at the bryan lathrop house
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $1,499,345 | $2,155,238 | ▲ $655,893 |
| Cash and Non-Interest-Bearing Accounts | $182,740 | $214,954 | ▲ $32,214 |
| Pledges and Grants Receivable | $194,034 | $124,034 | ▼ $70,000 |
| Savings and Temporary Cash Investments | $93,929 | $123,890 | ▲ $29,961 |
| Accounts Receivable | $6,982 | $5,894 | ▼ $1,088 |
| Total Assets | $1,977,030 | $2,624,010 | ▲ $646,980 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,977,030 | $2,624,010 | ▲ $646,980 |
| Total Net Assets Fund Balance | $1,977,030 | $2,624,010 | ▲ $646,980 |
| Total Liabilities and Net Assets / Fund Balance | $1,977,030 | $2,624,010 | ▲ $646,980 |
| Name | Title |
|---|---|
| Liza Prossnitz | Finance Chair |
| Mary R Ravid | President |
| Anne Voshel | First Vice-president |
| Alice Schreyer | Second Vice-president |
| Edith Rasmussen Ahern | Director |
| Joan Blew | Director |
| Kathy Vondran | Director |
| Linda Celesia | Director |
| Rhonda Marcucci | Director |
| Debra Siegel | Secretary |
| Carla Funk | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $204,541 |
| Total Fundraising Expense | $5,734 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Service Investment Mgmnt Fees | - | $13,511 | - | $13,511 |
| Fees for Services Accounting | - | $12,547 | - | $12,547 |
| Other Expenses | $162,230 | $9,502 | $5,734 | $5,734 |
| Office Expenses | - | $758 | - | $758 |
| Information Technology | - | $259 | - | $259 |
| Total Functional Expenses | $162,230 | $36,577 | $5,734 | $204,541 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $204,541 |
| Expenses per Audited Statements | $191,030 |
| Total Expenses per Audited Statements | $191,030 |
| Expenses Not Reported on Financial Statements | $13,511 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The governing body is nominated by the nominations committee and voted upon by the members of hpff.”
“Election of offices are approved by the board of governors.”
“The hpff board and members reviewed the form 990 prior to filing with the internal revenue service.”
“The conflict of interest policy has been declared verbally each year.”
“The foundation makes its governing documents, conflict of interest policy, and financial statements available on their website.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 6982 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 5894 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO PROVIDE FUNDING FOR THE RESTORATION PROJECTS AT THE BRYAN LATHROP HOUSE |
| IRS990/AllOtherContributionsAmt | 0 | 705349 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | KERIE ZADROZNY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3129441330 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 120 EAST BELLEVUE PLACE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CHICAGO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60611 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 182740 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 214954 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 705349 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 78944 |
| IRS990/CYOtherExpensesAmt | 0 | 204541 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 579752 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 204541 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 5734 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 784293 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 1 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | PROVIDED FUNDING FOR RESTORATION PROJECTS AT THE BRYAN LATHROP HOUSE, A HISTORIC AND ARCHITECTURALLY SIGNIFICANT CHICAGO LANDMARK. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 162230 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 12547 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 12547 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 13511 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 13511 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARY R RAVID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ANNE VOSHEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ALICE SCHREYER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CARLA FUNK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DEBRA SIEGEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LIZA PROSSNITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | EDITH RASMUSSEN AHERN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOAN BLEW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | LINDA CELESIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | RHONDA MARCUCCI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | KATHY VONDRAN |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | FIRST VICE-PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECOND VICE-PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | FINANCE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1998 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 16433 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 11 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 616803 |
| IRS990/GrossReceiptsAmt | 0 | 1384663 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 11 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 259 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 259 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 62511 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 62511 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1499345 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2155238 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 600370 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE HISTORIC PRESERVATION FOUNDATION OF THE FORTNIGHTLY OF CHICAGO (THE "FOUNDATION") WAS FOUNDED FOR THE PRESERVATION OF THE HISTORIC AND ARCHITECTURALLY SIGNIFICANT HOUSE LOCATED AT 120 E. BELLEVUE PLACE, CHICAGO, IL 60611. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1977030 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2624010 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 16433 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 16433 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 52618 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1977030 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2624010 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 758 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 758 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | PRESERVATION AND MAINT. |
| IRS990/OtherExpensesGrp/Desc | 1 | ADMINISTRATIVE |
| IRS990/OtherExpensesGrp/Desc | 2 | FUNDRAISING |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 5734 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 9502 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 162230 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 162230 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 9502 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 5734 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 194034 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 124034 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | MARY R RAVID |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 14610 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 452920 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 82321 |
| IRS990/PYOtherExpensesAmt | 0 | 574696 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -39455 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 574696 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 535241 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 579752 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 93929 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 123890 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 705349 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 452920 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 408964 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 316724 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 288892 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2172849 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 62511 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 66678 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 18883 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 29294 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 12410 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 189776 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 192 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 336 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 528 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.61940 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.78050 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1463798 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 709051 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 705349 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 452920 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 408964 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 316724 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 288892 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2172849 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 2363153 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE GOVERNING BODY IS NOMINATED BY THE NOMINATIONS COMMITTEE AND VOTED UPON BY THE MEMBERS OF HPFF. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ELECTION OF OFFICES ARE APPROVED BY THE BOARD OF GOVERNORS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE HPFF BOARD AND MEMBERS REVIEWED THE FORM 990 PRIOR TO FILING WITH THE INTERNAL REVENUE SERVICE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE CONFLICT OF INTEREST POLICY HAS BEEN DECLARED VERBALLY EACH YEAR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE FOUNDATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE ON THEIR WEBSITE. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 7B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
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| IRS990/WebsiteAddressTxt | 0 | HTTPS://WWW.FORTNIGHTLYCHICAGO.ORG/HPFF |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | MARY R RAVID |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
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| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-01-13 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | HISTORIC PRESERVATION FOUNDATION OF THE |
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| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | CONDON O'MEARA MCGINTY & DONNELLY LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | ONE BATTERY PARK PLAZA 7TH FL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | NEW YORK |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 10004 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 2126617777 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | ALEXANDER LAZZARUOLO |
| ReturnHeader/ReturnTs | 0 | 2026-01-26T14:35:19-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-06-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-05-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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