Civic Intelligence

Leiden Conservation Foundation

EIN 45-2591325 • Hunting Valley, OH

3150 Topping LaneHunting Valley, OH 44022
Siviq Scores

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

Liabilities / Assets

32nd percentile

0.00x

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

$1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

33rd percentile

0.00x

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

$1M-$5M nonprofits • Source year 2024

Net Margin

79th percentile

33%

Higher net margin than 79% of similar nonprofits.

$1M-$5M nonprofits • Source year 2024

Top Officer Pay

47th percentile

$0

Higher top officer pay than 47% of similar nonprofits.

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

$1M-$5M nonprofits • Source year 2024

Asset Growth

98th percentile

212%

Faster asset growth than 98% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

86th percentile

92%

Faster revenue growth than 86% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets32nd percentile

Assets

Up

$512,884

Up $348,600 (+212%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$512,884

Up $348,600 (+212%) from 2023

Operations
Liabilities / Revenue33rd percentileNet Margin79th percentile

Revenue

Up

$1,061,971

Up $509,392 (+92%) from 2023

Expenses

Up

$713,371

Up $274,900 (+63%) from 2023

Net Income

Up

$348,600

Up $234,492 (+206%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth98th percentile

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

$800K$600K$400K$200K$0Assets 2011: $106,274Liabilities 2011: $02011Assets 2012: $205,249Liabilities 2012: $0Net Assets 2012: $205,2492012Assets 2013: $205,870Liabilities 2013: $0Net Assets 2013: $205,8702013Assets 2014: $243,355Liabilities 2014: $0Net Assets 2014: $243,3552014Assets 2015: $382,300Liabilities 2015: $0Net Assets 2015: $382,3002015Assets 2016: $655,751Liabilities 2016: $0Net Assets 2016: $655,7512016Assets 2017: $264,065Liabilities 2017: $0Net Assets 2017: $264,0652017Assets 2018: $120,215Liabilities 2018: $0Net Assets 2018: $120,2152018Assets 2019: $28,234Liabilities 2019: $0Net Assets 2019: $28,2342019Assets 2020: $61,733Liabilities 2020: $0Net Assets 2020: $61,7332020Assets 2021: $251,080Liabilities 2021: $0Net Assets 2021: $251,0802021Assets 2022: $50,176Liabilities 2022: $0Net Assets 2022: $50,1762022Assets 2023: $164,284Liabilities 2023: $0Net Assets 2023: $164,2842023Assets 2024: $512,884Liabilities 2024: $0Net Assets 2024: $512,8842024

Highlighted filing

2024

Assets$512,884
Liabilities$0
Net Assets$512,884
Open 2024 Filing

Operations Trend

Revenue Growth86th percentile

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

$1.5M$1.0M$500K$0-$500KRevenue 2011: $166,500Expenses 2011: $60,226Net Income 2011: $106,2742011Expenses 2012: $241,1252012Revenue 2013: $256,657Expenses 2013: $256,036Net Income 2013: $6212013Revenue 2014: $352,292Expenses 2014: $314,807Net Income 2014: $37,4852014Revenue 2015: $400,000Expenses 2015: $261,055Net Income 2015: $138,9452015Revenue 2016: $650,091Expenses 2016: $376,640Net Income 2016: $273,4512016Revenue 2017: $2,190Expenses 2017: $393,876Net Income 2017: -$391,6862017Revenue 2018: $358,279Expenses 2018: $454,556Net Income 2018: -$96,2772018Revenue 2019: $375,260Expenses 2019: $467,241Net Income 2019: -$91,9812019Revenue 2020: $400,694Expenses 2020: $367,195Net Income 2020: $33,4992020Revenue 2021: $502,730Expenses 2021: $313,383Net Income 2021: $189,3472021Revenue 2022: $202,823Expenses 2022: $403,727Net Income 2022: -$200,9042022Revenue 2023: $552,579Expenses 2023: $438,471Net Income 2023: $114,1082023Revenue 2024: $1,061,971Expenses 2024: $713,371Net Income 2024: $348,6002024

Highlighted filing

2024

Revenue$1,061,971
Expenses$713,371
Net Income$348,600
Open 2024 Filing

Filings

Most recent year

2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$512,884
Liabilities
$0
Net assets
$512,884
Revenue
$1,061,971
Expenses
$713,371
Net income
$348,600
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$0.51$0.00$0.51$1.06$0.71$0.35
2023Detailed filing. Detailed filing data is available for this year.$0.16$0.00$0.16$0.55$0.44$0.11
2022Detailed filing. Detailed filing data is available for this year.$0.05$0.00$0.05$0.20$0.40$0.20
2021Detailed filing. Detailed filing data is available for this year.$0.25$0.00$0.25$0.50$0.31$0.19
2020Detailed filing. Detailed filing data is available for this year.$0.06$0.00$0.06$0.40$0.37$0.03
2019Detailed filing. Detailed filing data is available for this year.$0.03$0.00$0.03$0.38$0.47$0.09
2018Detailed filing. Detailed filing data is available for this year.$0.12$0.00$0.12$0.36$0.45$0.10
2017Detailed filing. Detailed filing data is available for this year.$0.26$0.00$0.26$0.00$0.39$0.39
2016Detailed filing. Detailed filing data is available for this year.$0.66$0.00$0.66$0.65$0.38$0.27
2015Detailed filing. Detailed filing data is available for this year.$0.38$0.00$0.38$0.40$0.26$0.14
2014Detailed filing. Detailed filing data is available for this year.$0.24$0.00$0.24$0.35$0.31$0.04
2013Detailed filing. Detailed filing data is available for this year.$0.21$0.00$0.21$0.26$0.26$0.00
2012Detailed filing. Detailed filing data is available for this year.$0.21$0.00$0.21$0.24
2011Summary only. Only limited summary data is available for this year.$0.11$0.00$0.17$0.06$0.11
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Jun 24, 2025
Return Version
2024v5.2
Compensation and Service Providers
Top Officer Pay47th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
THOMAS M LEIDENPresident-$0--
KATHLEEN A LEIDENSecretary/Treasurer-$0--
Filing and Contact Details

Filer

Filer Name
Leiden Conservation Foundation
EIN
45-2591325
Phone
2167989426
Address
3150 TOPPING LANE, HUNTING VALLEY, OH 44022

Signing Officer

Name
Thomas Leiden
Title
President
Phone
2167989426
Signed
2025-06-24
Discuss with paid preparer
Yes

Preparer

Firm
Barnes Wendling Cpas Inc
Address
5050 WATERFORD DRIVE, SHEFFIELD VILLAGE, OH 44035
Preparer
Matthew D Maker CPA Mt
Phone
4409343850
Raw XML Appendix318 raw XML fields

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/RecipientRelationshipTxt1NONE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt2NONE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt3NONE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt4NONE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt04850 W POWELL RD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt140625 COUNTY ROAD 69A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt2E11376 SHADY LANE ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm0POWELL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm1HAYDEN
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm2BARABOO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd0OH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd1CO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd2WI
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd043065
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd181639
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd243913
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd0X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt00
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt0708502
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd00
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt016539
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt00
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt00
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt016539
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt00
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt0432669
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt0389556
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt0311703
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt0365124
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt0460414
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt00
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt0460414
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt02195284
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt0696232
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt0432669
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt0389556
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt0311703
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt0365124
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt00
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt00
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt0712771
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt0696232
IRS990PF/UndistributedIncomeGrp/Taxable1Amt00
IRS990PF/UndistributedIncomeGrp/Taxable2Amt00
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt02655698
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt01959466
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt00
IRS990ScheduleB/ContributorInformationGrp/ContributorNum01
IRS990ScheduleB/ContributorInformationGrp/ContributorPersonNm0THOMAS M AND KATHLEEN A LEIDEN
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1Txt03150 TOPPING LANE
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/CityNm0HUNTING VALLEY
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/StateAbbreviationCd0OH
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCd044022
IRS990ScheduleB/ContributorInformationGrp/NoncashContributionInd0X
IRS990ScheduleB/ContributorInformationGrp/PersonContributionInd0X
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt01051711
IRS990ScheduleB/GeneralRuleInd0X
IRS990ScheduleB/NonCashPropertyContributionGrp/ContributorNum01
IRS990ScheduleB/NonCashPropertyContributionGrp/FairMarketValueAmt0501711
IRS990ScheduleB/NonCashPropertyContributionGrp/NoncashPropertyDesc01,590 ISHARES TST RUSSELL 1000 INDEX
IRS990ScheduleB/NonCashPropertyContributionGrp/ReceivedDt02024-10-15
IRS990ScheduleB/Organization501c3ExemptPFInd0X
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0CHARITABLE REGISTRATION FEE
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc1MISCELLANEOUS EXPENSES
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc2OFFICE EXPENSES
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt11709
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt2231
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt10
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt20
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt0100
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt11709
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt2231
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0THOMAS LEIDEN
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum02167989426
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-06-24
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0LEIDEN CONSERVATION FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0LEID
ReturnHeader/Filer/EIN0452591325
ReturnHeader/Filer/PhoneNum02167989426
ReturnHeader/Filer/USAddress/AddressLine1Txt03150 TOPPING LANE
ReturnHeader/Filer/USAddress/CityNm0HUNTING VALLEY
ReturnHeader/Filer/USAddress/StateAbbreviationCd0OH
ReturnHeader/Filer/USAddress/ZIPCd044022
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0341463411
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0BARNES WENDLING CPAS INC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt05050 WATERFORD DRIVE
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0SHEFFIELD VILLAGE
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0OH
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd044035
ReturnHeader/PreparerPersonGrp/PhoneNum04409343850
ReturnHeader/PreparerPersonGrp/PreparationDt02025-06-24
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0MATTHEW D MAKER CPA MT
ReturnHeader/ReturnTs02025-06-27T07:25:42-05:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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