Liabilities / Assets
22nd percentile
Higher debt load relative to assets than 22% of similar nonprofits.
990 • Fiscal year 2023 • EIN 46-1637111
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
22nd percentile
Higher debt load relative to assets than 22% of similar nonprofits.
Liabilities / Revenue
40th percentile
Higher debt load relative to revenue than 40% of similar nonprofits.
Net Margin
10th percentile
Higher net margin than 10% of similar nonprofits.
Top Officer Pay
14th percentile
Higher top officer pay than 14% 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
6th percentile
Faster revenue growth than 6% of similar nonprofits.
Assets
Down$10,125,236
Down $711,369 (-6.6%) from 2022
Net Assets
Down$9,873,405
Down $481,911 (-4.7%) from 2022
Liabilities
Down$251,831
Down $229,458 (-48%) from 2022
Revenue
Down$1,527,994
Down $1,723,645 (-53%) from 2022
Expenses
Up$2,009,905
Up $450,896 (+29%) from 2022
Net Income
Down-$481,911
Down $2,174,541 (-128%) from 2022
Mainframe provides 181 affordable workspaces to over 220 creatives and advances equity & opportunities in the arts. Mainframe hosts monthly open studio events for the public, provides weekly professional development sessions to artists, gives tours for youth and community groups, and rents venue space for community and private events.
Mainframe Studios is a financially self-sustaining nonprofit providing affordable workspaces to advance equity and opportunities in the arts. It is the largest, non residential, nonprofit art studio space in the nation.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $10,355,316 | $9,873,405 | ▼ $481,911 |
| Land, Buildings, and Equipment, Net | $9,643,052 | $9,787,588 | ▲ $144,536 |
| Cash and Non-Interest-Bearing Accounts | $1,079,265 | $286,892 | ▼ $792,373 |
| Pledges and Grants Receivable | $109,050 | $46,991 | ▼ $62,059 |
| Accounts Receivable | $2,484 | $3,765 | ▲ $1,281 |
| Prepaid Expenses and Deferred Charges | $2,754 | - | - |
| Total Assets | $10,836,605 | $10,125,236 | ▼ $711,369 |
| Liabilities | |||
| Mortgage Notes Payable Secured by Investment Property | $160,092 | $157,177 | ▼ $2,915 |
| Other Liabilities | $67,576 | $74,223 | ▲ $6,647 |
| Accounts Payable and Accrued Expenses | $235,019 | $10,455 | ▼ $224,564 |
| Deferred Revenue | $18,602 | $9,976 | ▼ $8,626 |
| Total Liabilities | $481,289 | $251,831 | ▼ $229,458 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $10,355,316 | $9,873,405 | ▼ $481,911 |
| Total Liabilities and Net Assets / Fund Balance | $10,836,605 | $10,125,236 | ▼ $711,369 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $68,335 | - | - |
| Land | $1,379,858 | - | - |
| Equipment | $94,187 | - | - |
| Leasehold Improvements | $8,245,208 | $3,136,758 | - |
| Name | Title |
|---|---|
| Justin Mandelbaum | President |
| John McGowan | Vice President |
| David Schmitz | Member |
| Jill Wells | Member |
| John Mandelbaum | Member |
| Meredith Stahl | Member |
| Sarah Young | Member |
| Gretchen Bohling | Secretary |
| Michael Trettin | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $1,784,862 |
| Salaries, Compensation, and Employee Benefits | $225,043 |
| Total Fundraising Expense | $12,112 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Depreciation Depletion | $779,750 | $0 | $0 | $779,750 |
| Occupancy | $648,002 | $48,392 | $0 | $696,394 |
| Other Salaries and Wages | $125,950 | $73,471 | $10,496 | $209,917 |
| Advertising | $72,741 | $0 | $0 | $72,741 |
| Fees for Services Legal | $13,245 | $52,981 | $0 | $66,226 |
| Fees for Services Other | $59,367 | $0 | $0 | $59,367 |
| Information Technology | $25,059 | $6,265 | $0 | $31,324 |
| Fees for Services Management | $24,000 | $0 | $0 | $24,000 |
| Fees for Services Accounting | $1,720 | $14,620 | $860 | $17,200 |
| Payroll Taxes | $9,076 | $5,294 | $756 | $15,126 |
| All Other Expenses | $0 | $13,500 | $0 | $13,500 |
| Office Expenses | $7,797 | $5,634 | $0 | $13,431 |
| Conferences and Meetings | $1,812 | $7,088 | $0 | $8,900 |
| Insurance | $0 | $1,705 | $0 | $1,705 |
| Travel | $259 | $65 | $0 | $324 |
| Total Functional Expenses | $1,768,778 | $229,015 | $12,112 | $2,009,905 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Tenant security deposits | $74,223 |
“The 990 was prepared by an independent accounting firm. Mainframe's board president and treasurer reviewed and provided comments to the preparer. All board members were provided with a copy of the 990 prior to filing and have had the opportunity to review and provide comments.”
“The executive director annually distributes a form and collects the form with signatures on which board members disclose any conflicts. If any questions arise, the officers review the questions with the affected board member.”
“Compensation for the executive director is voted on by the board in consultation with mainframes's third party human resources company and is designed to be competitive with comparable nonprofits in the region.”
“Documents were made available to the public upon request.”
“Justin mandelbaum is the president of mainframe studios. His father, john mandelbaum, is a member of the board. Both are unpaid volunteers and have committed to never receive compensation or profit from mainframe studios.”
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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 235019 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 10455 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 2484 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 3765 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | Mainframe Studios is a financially self-sustaining nonprofit providing affordable workspaces to advance equity and opportunities in the arts. It is the largest, non residential, nonprofit art studio space in the nation. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 72741 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 72741 |
| IRS990/AllOtherContributionsAmt | 0 | 242378 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 13500 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 13500 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Community Foundation of Greater Des Moines |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5158832626 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1915 Grand Ave |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Des Moines |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 50309 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1079265 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 286892 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 7088 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1812 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 8900 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CostOfGoodsSoldAmt | 0 | 2691 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 242378 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 1784862 |
| IRS990/CYOtherRevenueAmt | 0 | 246 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1285370 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -481911 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 225043 |
| IRS990/CYTotalExpensesAmt | 0 | 2009905 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 12112 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1527994 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 18602 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 9976 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 779750 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 779750 |
| IRS990/Desc | 0 | In January 2023, Mainframe opened its final floor (Floor 2) of renovated studios and increased its total creative workspaces to 181 studios. The studios are occupied with individual artists and arts related nonprofits. Mainframe operated at a 98% occupancy rate with a waitlist of over 100 applicants. Income from affordable rents generated enough revenue to cover operating costs. The 4650 square foot event space provides a place for weddings, conferences, workshops, corporate parties, and fundraisers to occur for a rental fee. The 2nd floor common area became a learning space where professional development sessions are offered weekly to help artists and small businesses thrive. Mainframe serves as a beacon demonstrating that investing in the creative economy works. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 5 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExcsTaxSect4951Or4952Or4953Ind | 0 | false |
| IRS990/ExpenseAmt | 0 | 1696037 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 860 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 14620 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 1720 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 17200 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 52981 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 13245 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 66226 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 24000 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 24000 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 59367 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 59367 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.25 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | 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/PersonNm | 0 | Justin Mandelbaum |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | John McGowan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Michael Trettin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Gretchen Bohling |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | John Mandelbaum |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | David Schmitz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Meredith Stahl |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Jill Wells |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Sarah Young |
| 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/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/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Member |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2012 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 0 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1530685 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 1605 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 198 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 0 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 6265 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 25059 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 31324 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1705 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1705 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 39 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3136758 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 9643052 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 9787588 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 12924346 |
| IRS990/LegalDomicileStateCd | 0 | IA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | Mainframe provides 181 affordable workspaces to over 220 creatives and advances equity & opportunities in the arts. Mainframe hosts monthly open studio events for the public, provides weekly professional development sessions to artists, gives tours for youth and community groups, and rents venue space for community and private events. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 160092 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 157177 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 10355316 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 9873405 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | -2493 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -2493 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 1605 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 1605 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 48392 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 648002 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 696394 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 5634 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 7797 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 13431 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 67576 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 74223 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 531120 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISC REVENUE |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 0 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1134 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 1134 |
| IRS990/OtherRevenueMiscGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 1134 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 10496 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 73471 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 125950 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 209917 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 756 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 5294 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 9076 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 15126 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 109050 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 46991 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 2754 |
| IRS990/PrincipalOfficerNm | 0 | JOHN MCGOWAN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 531120 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 531120 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | STUDIO RENTAL |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | EVENT SPACE RENTAL |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Mainframe Studios spends the majority of its marketing budget on programming for monthly First Friday open studio events that attract thousands of visitors. The festive, free events feature a unique theme and create new experiences for new audiences each month. Theses include exhibitions, activities & special guests relating to various art forms such as ceramics, fashion and printing and community issues. First Fridays also feature local musicians and affordable dinner options by resident caterers Tangerine Food Company. Tenant-artists open their studios to connect with new customers and community members that help further their careers. Artist/tenants also developed and led professional development experiences each week to improve business skills and level up their art practice. Artists/tenants helped re-design the website to promote Mainframe, their studios and classes, and public events. Mainframe also self publishes a quarterly studio directory that includes stories about our artists and partners. |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE 990 WAS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM. MAINFRAME'S BOARD PRESIDENT AND TREASURER REVIEWED AND PROVIDED COMMENTS TO THE PREPARER. ALL BOARD MEMBERS WERE PROVIDED WITH A COPY OF THE 990 PRIOR TO FILING AND HAVE HAD THE OPPORTUNITY TO REVIEW AND PROVIDE COMMENTS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE EXECUTIVE DIRECTOR ANNUALLY DISTRIBUTES A FORM AND COLLECTS THE FORM WITH SIGNATURES ON WHICH BOARD MEMBERS DISCLOSE ANY CONFLICTS. IF ANY QUESTIONS ARISE, THE OFFICERS REVIEW THE QUESTIONS WITH THE AFFECTED BOARD MEMBER. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | COMPENSATION FOR THE EXECUTIVE DIRECTOR IS VOTED ON BY THE BOARD IN CONSULTATION WITH MAINFRAMES'S THIRD PARTY HUMAN RESOURCES COMPANY AND IS DESIGNED TO BE COMPETITIVE WITH COMPARABLE NONPROFITS IN THE REGION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | DOCUMENTS WERE MADE AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | JUSTIN MANDELBAUM IS THE PRESIDENT OF MAINFRAME STUDIOS. HIS FATHER, JOHN MANDELBAUM, IS A MEMBER OF THE BOARD. BOTH ARE UNPAID VOLUNTEERS AND HAVE COMMITTED TO NEVER RECEIVE COMPENSATION OR PROFIT FROM MAINFRAME STUDIOS. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt VI, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Pt VI, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Pt VI, Line 15a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Pt VI, Line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Pt VI, Line 2 |
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Displayed year
2023 • Form 990Detailed filing. Detailed filing data is available for this year.