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Balance Sheet
Assets
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Net Assets
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Liabilities
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Revenue And Expenses
Revenue
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Expenses
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Net Income
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Historical Trend
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2024 to Dec 31, 2024
- Signed
- Jul 28, 2025
- Return Version
- 2024v5.2
Mission and Program Overview
Mission
Mazamas promotes moutaineering and wilderness exploration. The organization also collects and disseminates authoritative and scientific information concerning mountains and wilderness, and encourages the preservation of the natural world.
Filing and Contact Details
Filer
- Filer Name
- Mazamas
- EIN
- 93-0408077
- Phone
- 5032272345
- Address
- 527 SE 43rd Avenue, Portland, OR 97215
Signing Officer
- Name
- Rebekah Phillips
- Title
- Executive Director
- Signed
- 2025-07-28
- Discuss with paid preparer
- Yes
Preparer
- Firm
- Kern & Thompson LLC
- Address
- 1800 SW FIRST AVE STE 410, PORTLAND, OR 97201
- Preparer
- Kristin L Brooks CPA
- Phone
- 5032223338
Raw XML Appendix66 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.
| Path | # | Value |
|---|---|---|
| IRS990T/BooksInCareOfDetail/PersonNm | 0 | REBEKAH PHILLIPS |
| IRS990T/BooksInCareOfDetail/PhoneNum | 0 | 5032272345 |
| IRS990T/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 527 SE 43RD AVENUE |
| IRS990T/BooksInCareOfDetail/USAddress/CityNm | 0 | PORTLAND |
| IRS990T/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | OR |
| IRS990T/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 97215 |
| IRS990T/BookValueAssetsEOYAmt | 0 | 3370813 |
| IRS990T/ForeignAccountsQuestionInd | 0 | false |
| IRS990T/ForeignTrustQuestionInd | 0 | false |
| IRS990T/Form990TScheduleAAttachedCnt | 0 | 1 |
| IRS990T/Organization501cCorporationInd | 0 | X |
| IRS990T/Organization501IndicatorGrp/Organization501cTypeTxt | 0 | c3 |
| IRS990T/Organization501IndicatorGrp/Organization501Ind | 0 | X |
| IRS990T/Post2017NOLCarryoverGrp/AvlblPost2017NOLCarryoverAmt | 0 | 1764 |
| IRS990T/Post2017NOLCarryoverGrp/PrincipalBusinessActivityCd | 0 | 541800 |
| IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/AdvertisedPeriodicalNameTxt | 0 | MAZAMA BULLETIN |
| IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/AdvertisingGainLossAmt | 0 | -6621 |
| IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/ConsolidatedPeriodicalInd | 0 | X |
| IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/DirectAdvertisingCostAmt | 0 | 8992 |
| IRS990TScheduleA/AdvertisingIncmPeriodicalGrp/GrossAdvertisingIncomeAmt | 0 | 2371 |
| IRS990TScheduleA/NetAdvertisingIncomeAmt | 0 | -6621 |
| IRS990TScheduleA/PrincipalBusinessActivityCd | 0 | 541800 |
| IRS990TScheduleA/SequenceReferenceNum | 0 | 1 |
| IRS990TScheduleA/SequenceTotalNum | 0 | 1 |
| IRS990TScheduleA/TotalDirectAdvertisingCostAmt | 0 | 8992 |
| IRS990TScheduleA/TotalGrossAdvertisingIncomeAmt | 0 | 2371 |
| IRS990TScheduleA/TotNetUnrltTrdBusIncmAmt | 0 | -6621 |
| IRS990TScheduleA/TotUnrltTrdBusIncmAmt | 0 | 2371 |
| IRS990TScheduleA/TotUnrltTrdBusIncmExpnssAmt | 0 | 8992 |
| IRS990TScheduleA/TradeOrBusinessDesc | 0 | ADVERTISING |
| IRS990TScheduleA/UBIBeforeNOLDedAmt | 0 | -6621 |
| IRS990TScheduleA/UnrelatedBusinessTaxblIncmAmt | 0 | -6621 |
| IRS990T/SpecificDeductionAmt | 0 | 1000 |
| IRS990T/SubsidiaryCorporationInd | 0 | false |
| IRS990T/TaxableCorporationAmt | 0 | 0 |
| IRS990T/TaxExemptInterestAmt | 0 | 0 |
| IRS990T/TotalDeductionAmt | 0 | 1000 |
| IRS990T/TotalUBTIAmt | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | REBEKAH PHILLIPS |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Executive Director |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-07-28 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Mazamas |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | MAZA |
| ReturnHeader/Filer/EIN | 0 | 930408077 |
| ReturnHeader/Filer/PhoneNum | 0 | 5032272345 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 527 SE 43rd Avenue |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Portland |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | OR |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 97215 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 931157146 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | KERN & THOMPSON LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1800 SW FIRST AVE STE 410 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | PORTLAND |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | OR |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 97201 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 5032223338 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Kristin L Brooks CPA |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2025-07-28T12:23:08-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990T |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
Document Assets
No mirrored PDF or thumbnail assets are attached yet.
Filings
Displayed year
2024 • Form 990TFacts available. Structured filing facts are available, but richer extracted sections are limited.
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