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Nonprofit · EIN 93-0408077

MAZAMAS

Tax-exempt · PORTLAND, OR 97215

Financials

$117K$177K2022$711K$796K2023$1.4M$1.1M2024
Revenue Expenses · by fiscal year end
Financials of MAZAMAS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$1,405,909$1,052,728$353,181$3,370,813$226,313$3,144,500
December 31, 2023990$711,341$796,107-$84,766$2,963,350$235,901$2,727,449
December 31, 2022990$117,140$177,248-$60,108$2,914,506$168,285$2,746,221
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$939,817
Membership dues
$208,348
Program service revenue
$433,795
Investment income
$46,386
Net income from fundraising events
-$16,395
Net income from sales of inventory
-$1,288
Other revenue
-$14,089

Expenses

Grants and similar amounts paid
$8,500
Compensation of officers, directors and key employees
$308,373
Salaries, compensation and benefits (total)
$363,286
Professional fundraising fees
$0
Accounting fees
$23,947
Occupancy
$41,139
Travel
$32,647
Depreciation
$75,732
Program services (functional)
$755,049
Management and general (functional)
$188,784
Fundraising (functional)
$108,895

Balance sheet and other

Total assets, start of year
$2,963,350
Total assets, end of year
$3,370,813
Total liabilities, end of year
$226,313
Net assets, end of year
$3,144,500
Land, buildings and equipment
$1,747,219
Publicly traded securities
$1,450,099
Net assets without donor restrictions
$2,323,128
Net assets with donor restrictions
$821,372
Gross unrelated business income
$2,371
Gross receipts
$1,457,017
Employees
5
Volunteers
500
Year formed
1946
State of legal domicile
OR

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
REBEKAH PHILLIIPSExecutive Dir.
Officer
40$105,360
GREG SCOTTPresident
Trustee or director, Officer
6$0
DAVID URBANIAKVice President
Trustee or director, Officer
6$0
LIZ CROWETreasurer
Trustee or director, Officer
6$0
MATTHEW SUNDLINGSecretary
Trustee or director, Officer
6$0
CHARLES BARKERDirector
Trustee or director
4$0
DEBBIE DWELLEDirector
Trustee or director
4$0
MARTIN HANSONDirector
Trustee or director
4$0
CLAIRE TENSCHERDirector
Trustee or director
4$0
CHRIS JAWORSKIDirector
Trustee or director
4$0
990 for the year ended December 31, 2023: 11 people
NameTitleHours / weekCompensation
KALEEN DEATHERAGEPAST EXEC DIR
Officer
40$56,000
REBEKAH PHILLIIPSExecutive Dir.
Officer
40$54,600
GREG SCOTTPresident
Trustee or director, Officer
6$0
DAVID URBANIAKVice President
Trustee or director, Officer
6$0
LIZ CROWETreasurer
Trustee or director, Officer
6$0
CLAIRE TENSCHERSecretary
Trustee or director, Officer
6$0
CHARLES BARKERDirector
Trustee or director
4$0
BOB BREIVOGELDirector
Trustee or director
4$0
AIMEE FILIMOEHALADirector
Trustee or director
4$0
MARTIN HANSONDirector
Trustee or director
4$0
CHRIS JAWORSKIDirector
Trustee or director
4$0
990 for the year ended December 31, 2022: 11 people
NameTitleHours / weekCompensation
KALEEN DEATHERAGEEXECUTIVE DIRECTOR
Officer
40$106,700
GREG SCOTTPRESIDENT
Trustee or director, Officer
6$0
DAVID URBANIAKVICE PRESIDENT
Trustee or director, Officer
6$0
TERRY DONAHETREASURER
Trustee or director, Officer
6$0
CLAIRE TENSCHERSECRETARY
Trustee or director, Officer
6$0
CHARLES BARKERDIRECTOR
Trustee or director
4$0
BOB BREIVOGELDIRECTOR
Trustee or director
4$0
AIMEE FILIMOEHALADIRECTOR
Trustee or director
4$0
MARTY HANSONDIRECTOR
Trustee or director
4$0
CHRIS JAWORSKIDIRECTOR
Trustee or director
4$0
LIZ CROWEDIRECTOR
Trustee or director
4$0

Address and contacts

Address (IRS master file)
527 SE 43RD AVE, PORTLAND, OR 97215-1608
Principal officer (990 for 2024)
REBEKAH PHILLIPS
Signed the 990
REBEKAH PHILLIPS, Executive Director
Phone
(503) 227-2345
Return prepared by
KERN & THOMPSON LLC

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.

990 for the year ended December 31, 2024

Program accomplishments

  • FACILITIES:LOCATED IN PORTLAND, OREGON, THE CARBON-NEUTRAL MAZAMA MOUNTAINEERING CENTER IS THE MAZAMAS HEADQUARTERS. IT HOUSES OFFICES FOR STAFF, MEETING ROOMS AND CLASSROOMS, AN EXTENSIVE MOUNTAINEERING LIBRARY AND COLLECTION OF HISTORICAL ARCHIVES, AND A LARGE AUDITORIUM WITH EDUCATIONAL CLIMBING WALLS FOR CLASS ACTIVITY. CULTURAL AND SCIENTIFIC PRESENTATIONS ARE ALSO HELD IN THE FACILITYS AUDITORIUM.MAZAMAS ALSO OWNS A LODGE LOCATED IN GOVERNMENT CAMP, OREGON, THAT RESIDES ON U.S. FOREST SERVICE LAND. PARTICIPANTS IN MAZAMA EDUCATION PROGRAMS, MEMBERS, SKI CLUBS, AND OTHER NON-PROFIT ORGANIZATIONS INCLUDING YOUTH GROUPS IN THE PORTLAND, OREGON AREA USE THE FACILITY DURING THE YEAR. THE LODGE IS ALSO USED AS A BASE FOR MT. HOOD CLIMBS LED BY MAZAMAS. USERS ARE CHARGED A FEE TO COVER THE DIRECT COSTS OF LODGING AND MEALS.
    Expenses $300,195 · revenue $36,183
  • EDUCATIONAL PROGRAMS:MAZAMAS CONDUCTS EDUCATION IN MOUNTAINEERING, ROCK CLIMBING, ICE CLIMBING, BACKCOUNTRY SKIING, NORDIC SKIING, WILDERNESS FIRST AID, AND OTHER MOUNTAIN-RELATED OUTDOOR ACTIVITIES. THE COURSES INCLUDE TECHNIQUES, SAFETY, AND ENVIRONMENTAL AWARENESS, AND CONSERVATION ETHICS. NON-MEMBERS MAY PARTICIPATE IN CLASSES OFFERED THROUGH MAZAMAS. MORE THAN 600 STUDENTS PARTICIPATE IN OUR EDUCATIONAL PROGRAMS ANNUALLY.
    Expenses $164,505 · revenue $320,200
  • DEVELOPMENT PROJECTS: INITIATIVES IN 2024 SUPPORTED MEMBER AND VOLUNTEER OUTREACH, ENGAGEMENT, AND EDUCATION, SPECIFICALLY THROUGH THE PUBLICATION OF A BIMONTHLY MEMBERSHIP MAGAZINE AND NEWSLETTERS, VOLUNTEER SERVICE AWARDS, AND OTHER VOLUNTEER RECOGNITION STRATEGIES.
    Expenses $130,547
  • ACTIVITIES & EVENTS:MAZAMAS OFFERS ACTIVITIES INCLUDING HIKING, CLIMBING, BACKPACKING, AND LOCAL STREET RAMBLES LED BY VOLUNTEER LEADERS. PARTICIPATION IS OPEN TO THE PUBLIC AND SUBJECT TO THE PHYSICAL FITNESS REQUIRED FOR EACH ACTIVITY. PARTICIPANTS ARE NOT CHARGED A FEE FOR ACTIVITIES, EXCEPT FOR CLIMBS IN THE MT. HOOD NATIONAL FOREST. IN A TYPICAL YEAR, APPROXIMATELY 1,500 CLIMBERS PARTICIPATE IN OUR CLIMBING PROGRAM, 2,000 HIKERS PARTICIPATE IN OUR HIKING AND STREET RAMBLES PROGRAM, AND A FEW HUNDRED PARTICIPATE IN SPECIAL EVENTS. MAZAMA OUTINGS ARE ACTIVITIES THAT ARE FIVE DAYS OR LONGER. OUTINGS VARY IN SCOPE AND NUMBER FROM YEAR TO YEAR, DEPENDING ON VOLUNTEER LEADERSHIP. MOST OUTINGS INVOLVE HIKING, CLIMBING, BACKPACKING, TREKKING, OR SKIING, BUT SOME MAY INCLUDE IN-TOWN EXCURSIONS. ALTHOUGH MOST OUTINGS TAKE PLACE IN THE WESTERN UNITED STATES, SOME TRAVEL TO FOREIGN DESTINATIONS. LIKE OTHER ACTIVITIES, THEY ARE OPEN TO THE PUBLIC; PARTICIPANTS PAY FOR THEIR OWN TRAVEL AND ACCOMMODATIONS. MAZAMAS ALSO AWARDS GRANTS THAT HELP FUND CLIMBING EXPEDITIONS INTO HIGH OR REMOTE MOUNTAIN REGIONS OF THE WORLD. MAZAMAS OFFERS INFORMATIVE AND ENTERTAINING PROGRAMS THAT ARE HELD AT THE MAZAMA MOUNTAINEERING CENTER FOR THE COMMUNITY THROUGHOUT THE YEAR. THE OUTDOOR-ORIENTED PROGRAMS ARE FREE WITH A SUGGESTED DONATION, AND RANGE IN NATURE FROM FILM SCREENINGS TO RESEARCH AND ADVOCACY UPDATES TO PRESENTATIONS BY MISSION-ALIGNED PARTNER ORGANIZATIONS.
    Expenses $122,734 · grants $3,000 · revenue $77,412
  • STEWARDSHIP:IN ADDITION TO RECREATION ACTIVITIES AND EDUCATION PROGRAMS, CONSERVATION IS CENTRAL TO THE MAZAMA MISSION. FROM THE BEGINNING, MAZAMAS HAS PLAYED A SIGNIFICANT ROLE IN PRESERVING EXISTING WILDERNESS AREAS, HAVING BEEN INVOLVED IN THE ESTABLISHING BOTH CRATER LAKE AND MT. RAINIER NATIONAL PARKS, CASCADE FOREST RESERVE, THE THREE SISTERS WILDERNESS AREA, AND PORTLANDS FOREST PARK. MAZAMAS CONTINUES THIS TRADITION BY ORGANIZING TRAIL- AND CRAG-TENDING ACTIVITIES, AS WELL AS FUNDING CONSERVATION AND RESEARCH GRANTS TO QUALIFIED NON-PROFITS AND STUDENTS EACH YEAR.
    Expenses $37,068 · grants $5,500

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
93-0408077
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1946
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C600)
Assets (IRS master file)
$3,370,813
Income (IRS master file)
$1,457,017

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$1,405,909$1,052,728$3,370,813XML
990-TDecember 2024–––IRS
990December 2023$711,341$796,107$2,963,350XML
990-TDecember 2023–––IRS
990December 2022$117,140$177,248$2,914,506XML
990-TDecember 2022–––IRS
990September 2022$766,043$937,009$2,923,844IRS
990-TSeptember 2022–––IRS
990September 2021–––IRS
990-TSeptember 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 93-0408077).

Questions about MAZAMAS

What is the EIN of MAZAMAS?
The employer identification number (EIN) of MAZAMAS is 93-0408077.
Is MAZAMAS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1946.
Are donations to MAZAMAS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MAZAMAS file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of MAZAMAS due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MAZAMAS last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of MAZAMAS?
The 990 for the year ended December 31, 2024 names REBEKAH PHILLIPS.
Who are the officers and directors of MAZAMAS?
The 990 for the year ended December 31, 2024 lists 10 people; 1 received compensation from the organization, the highest $105,360 (REBEKAH PHILLIIPS, Executive Dir.).
How much revenue does MAZAMAS have?
On its 990 for the year ended December 31, 2024 it reported revenue of $1,405,909, expenses of $1,052,728 and total assets of $3,370,813 at year end.

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