Civic Intelligence

Black Mountain Foundation

EIN 04-6825487 • Chestnut Hill, MA

CO Forvis Mazars 1330 Boylston StChestnut Hill, MA 02467
Siviq Scores

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

Liabilities / Assets

39th percentile

0.00x

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

$500k-$1M nonprofits • Source year 2024

Liabilities / Revenue

40th percentile

0.00x

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

$500k-$1M nonprofits • Source year 2024

Net Margin

88th percentile

47%

Higher net margin than 88% of similar nonprofits.

$500k-$1M nonprofits • Source year 2024

Top Officer Pay

70th percentile

$0

Higher top officer pay than 70% of similar nonprofits.

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

$500k-$1M nonprofits • Source year 2022

Asset Growth

58th percentile

4.7%

Faster asset growth than 58% of similar nonprofits.

$500k-$1M nonprofits • Annualized from 2023 to 2024

Revenue Growth

21st percentile

-13%

Faster revenue growth than 21% of similar nonprofits.

$500k-$1M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets39th percentile

Assets

Up

$765,115

Up $34,077 (+4.7%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$765,115

Up $34,077 (+4.7%) from 2023

Operations
Liabilities / Revenue40th percentileNet Margin88th percentile

Revenue

Down

$72,559

Down $11,297 (-13%) from 2023

Expenses

Down

$38,482

Down $67,464 (-64%) from 2023

Net Income

Up

$34,077

Up $56,167 (+254%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth58th percentile

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

$1.5M$1.0M$500K$0Assets 2011: $1,089,950Liabilities 2011: $02011Assets 2012: $1,064,242Liabilities 2012: $02012Assets 2013: $1,048,337Liabilities 2013: $02013Assets 2014: $1,114,723Liabilities 2014: $0Net Assets 2014: $1,114,7232014Assets 2015: $961,950Liabilities 2015: $0Net Assets 2015: $961,9502015Assets 2016: $893,936Liabilities 2016: $0Net Assets 2016: $893,9362016Assets 2017: $883,774Liabilities 2017: $0Net Assets 2017: $883,7742017Assets 2018: $878,405Liabilities 2018: $0Net Assets 2018: $878,4052018Assets 2019: $901,100Liabilities 2019: $0Net Assets 2019: $901,1002019Assets 2020: $808,207Liabilities 2020: $0Net Assets 2020: $808,2072020Assets 2021: $811,640Liabilities 2021: $0Net Assets 2021: $811,6402021Assets 2022: $753,128Liabilities 2022: $0Net Assets 2022: $753,1282022Assets 2023: $731,038Liabilities 2023: $0Net Assets 2023: $731,0382023Assets 2024: $765,115Liabilities 2024: $0Net Assets 2024: $765,1152024

Highlighted filing

2024

Assets$765,115
Liabilities$0
Net Assets$765,115
Open 2024 Filing

Operations Trend

Revenue Growth21st percentile

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

$300K$200K$100K$0-$100K-$200KRevenue 2011: $60,843Expenses 2011: $55,985Net Income 2011: $4,8582011Revenue 2012: $20,242Expenses 2012: $45,950Net Income 2012: -$25,7082012Revenue 2013: $41,973Expenses 2013: $57,878Net Income 2013: -$15,9052013Revenue 2014: $82,722Expenses 2014: $16,336Net Income 2014: $66,3862014Revenue 2015: $54,317Expenses 2015: $207,090Net Income 2015: -$152,7732015Revenue 2016: $22,462Expenses 2016: $90,476Net Income 2016: -$68,0142016Revenue 2017: $33,296Expenses 2017: $43,458Net Income 2017: -$10,1622017Revenue 2018: $51,316Expenses 2018: $56,685Net Income 2018: -$5,3692018Revenue 2019: $37,337Expenses 2019: $14,642Net Income 2019: $22,6952019Revenue 2020: $13,772Expenses 2020: $106,665Net Income 2020: -$92,8932020Revenue 2021: $60,408Expenses 2021: $56,975Net Income 2021: $3,4332021Revenue 2022: $28,378Expenses 2022: $86,890Net Income 2022: -$58,5122022Revenue 2023: $83,856Expenses 2023: $105,946Net Income 2023: -$22,0902023Revenue 2024: $72,559Expenses 2024: $38,482Net Income 2024: $34,0772024

Highlighted filing

2024

Revenue$72,559
Expenses$38,482
Net Income$34,077
Open 2024 Filing

Filings

Most recent year

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

Open filing
Assets
$765,115
Liabilities
$0
Net assets
$765,115
Revenue
$72,559
Expenses
$38,482
Net income
$34,077
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$0.77$0.00$0.77$0.07$0.04$0.03
2023Detailed filing. Detailed filing data is available for this year.$0.73$0.00$0.73$0.08$0.11$0.02
2022Detailed filing. Detailed filing data is available for this year.$0.75$0.00$0.75$0.03$0.09$0.06
2021Detailed filing. Detailed filing data is available for this year.$0.81$0.00$0.81$0.06$0.06$0.00
2020Detailed filing. Detailed filing data is available for this year.$0.81$0.00$0.81$0.01$0.11$0.09
2019Detailed filing. Detailed filing data is available for this year.$0.90$0.00$0.90$0.04$0.01$0.02
2018Detailed filing. Detailed filing data is available for this year.$0.88$0.00$0.88$0.05$0.06$0.01
2017Detailed filing. Detailed filing data is available for this year.$0.88$0.00$0.88$0.03$0.04$0.01
2016Detailed filing. Detailed filing data is available for this year.$0.89$0.00$0.89$0.02$0.09$0.07
2015Detailed filing. Detailed filing data is available for this year.$0.96$0.00$0.96$0.05$0.21$0.15
2014Detailed filing. Detailed filing data is available for this year.$1.11$0.00$1.11$0.08$0.02$0.07
2013Summary only. Only limited summary data is available for this year.$1.05$0.00$0.04$0.06$0.02
2012Summary only. Only limited summary data is available for this year.$1.06$0.00$0.02$0.05$0.03
2011Summary only. Only limited summary data is available for this year.$1.09$0.00$0.06$0.06$0.00
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Jul 7, 2025
Return Version
2024v5.2
Compensation and Service Providers
Top Officer Pay70th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
JOAN I THORNDIKETrustee-$0--
WILLIAM N THORNDIKE JRTrustee-$0--
ALEXANDER L THORNDIKETrustee-$0--
Filing and Contact Details

Filer

Filer Name
Black Mountain Foundation
EIN
04-6825487
Phone
6177311222
Address
CO FORVIS MAZARS 1330 BOYLSTON ST, CHESTNUT HILL, MA 02467

Signing Officer

Name
Joan Thorndike
Title
Trustee
Phone
6177311222
Signed
2025-07-07
Discuss with paid preparer
Yes

Preparer

Firm
Forvis Mazars Llp
Address
1330 BOYLSTON STREET, CHESTNUT HILL, MA 02467-2145
Preparer
Edward Hurst CPA
Phone
6177311222
Raw XML Appendix340 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/StatementsRegardingActyGrp/MoreThan100SpentInd00
IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd00
IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd00
IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd0MA
IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd00
IRS990PF/StatementsRegardingActyGrp/PhoneNum06179734900
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd00
IRS990PF/StatementsRegardingActyGrp/Section4955ManagersTaxAmt00
IRS990PF/StatementsRegardingActyGrp/Section4955OrganizationTaxAmt00
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd01
IRS990PF/StatementsRegardingActyGrp/TaxReimbursedAmt00
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd00
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt0N/A
IRS990PF/SummaryOfDirectChrtblActyGrp/Description1Txt0N/A
IRS990PF/SummaryOfDirectChrtblActyGrp/Expenses1Amt00
IRS990PF/SumOfProgramRelatedInvstGrp/TotalAmt00
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt03500
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt15000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt22500
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt31000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt420000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt0UNRESTRICTED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt1UNRESTRICTED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt2UNRESTRICTED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt3UNRESTRICTED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt4UNRESTRICTED
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt0EPIPHANY SCHOOL INC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt1PUTNEY MOUNTAIN ASSOCIATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt2FRIENDS OF THE LOBKOWICZ COLLECTION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt3EMERALD NECKLACE CONSERVANCY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt4COTTING SCHOOL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt0PUBLIC CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt1PUBLIC CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt2PUBLIC CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt3PUBLIC CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt4PUBLIC CHARITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt0N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt1N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt2N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt3N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt4N/A
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt0154 CENTRE STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt1PO BOX 953
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt2PO BOX 814
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt3350 JAMAICAWAY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt4453 CONCORD AVE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm0DORCHESTER
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm1PUTNEY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm2DOVER
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm3BOSTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm4LEXINGTON
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd0MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd1VT
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd2MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd3MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd4MA
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd002124
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd105346
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd202030
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd302130
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd402421
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd0X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt00
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt032000
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/AppliedToCurrentYearAmt032967
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt00
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt00
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt084196
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt051229
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt027174
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt08094
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt020940
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt051229
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt00
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt04979
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt04979
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt00
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt00
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt032967
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/Taxable1Amt00
IRS990PF/UndistributedIncomeGrp/Taxable2Amt00
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt04979
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt056208
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0OTHER EXPENSE
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc1MASSACHUSETTS FILING FEE
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt118
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt034
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt117
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt033
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt135
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt02984
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt0INVESTMENT ADVISOR FEES
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/DisbursementsCharitablePrpsAmt00
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt02984
TaxesSchedule/TaxesDetail/Amt01532
TaxesSchedule/TaxesDetail/CategoryTxt0FOREIGN TAX WITHHELD FROM DIVIDENDS
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt00
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt01532
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0JOAN THORNDIKE
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TRUSTEE
ReturnHeader/BusinessOfficerGrp/PhoneNum06177311222
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-07-07
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0BLACK MOUNTAIN FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0BLAC
ReturnHeader/Filer/EIN0046825487
ReturnHeader/Filer/PhoneNum06177311222
ReturnHeader/Filer/USAddress/AddressLine1Txt0CO FORVIS MAZARS 1330 BOYLSTON ST
ReturnHeader/Filer/USAddress/CityNm0CHESTNUT HILL
ReturnHeader/Filer/USAddress/StateAbbreviationCd0MA
ReturnHeader/Filer/USAddress/ZIPCd002467
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0440160260
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0FORVIS MAZARS LLP
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt01330 BOYLSTON STREET
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0CHESTNUT HILL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0MA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd0024672145
ReturnHeader/PreparerPersonGrp/PhoneNum06177311222
ReturnHeader/PreparerPersonGrp/PreparationDt02025-07-07
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0EDWARD HURST CPA
ReturnHeader/ReturnTs02025-07-11T13:50:39-05:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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