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Nonprofit · EIN 85-0231249

LOS ALAMOS HISTORICAL SOCIETY

Tax-exempt · LOS ALAMOS, NM 87544

Financials

$900K$612K2022$953K$789K2023$1M$658K2024
Revenue Expenses · by fiscal year end
Financials of LOS ALAMOS HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$1,030,409$658,037$372,372$3,500,638$37,294$3,463,344
June 30, 2024990$952,589$788,517$164,072$3,026,852$34,568$2,992,284
June 30, 2023990$899,595$612,295$287,300$2,757,856$46,105$2,711,751
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$260,354
Membership dues
$13,595
Program service revenue
$606,647
Investment income
$163,408
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Other salaries and wages
$295,399
Salaries, compensation and benefits (total)
$324,081
Professional fundraising fees
$24,000
Legal fees
$454
Accounting fees
$40,985
Depreciation
$19,511
Program services (functional)
$412,580
Management and general (functional)
$201,366
Fundraising (functional)
$44,091

Balance sheet and other

Total assets, start of year
$3,026,852
Total assets, end of year
$3,500,638
Total liabilities, end of year
$37,294
Net assets, end of year
$3,463,344
Land, buildings and equipment
$157,975
Publicly traded securities
$1,996,177
Net assets without donor restrictions
$2,424,295
Net assets with donor restrictions
$1,039,049
Gross receipts
$1,030,409
Employees
12
Volunteers
45

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
MIKE HOLTZCLAWDIRECTOR
Trustee or director
1$0
LISA LLOYDTreasurer
Trustee or director, Officer
2$0
RIZ ALIDIRECTOR
Trustee or director, Officer
2$0
FRANCES CHADWICKDIRECTOR
Trustee or director
1$0
PATRICK SULLIVANPRESIDENT
Trustee or director, Officer
2$0
SHAY KENDRICKSDIRECTOR
Trustee or director
1$0
CHRISTINE HIPPPAST PRESIDENT
Trustee or director
2$0
CRAIG WASHNOKDIRECTOR
Trustee or director
1$0
990 for the year ended June 30, 2024: 14 people
NameTitleHours / weekCompensation
MIKE HOLTZCLAWDIRECTOR
Trustee or director
1$0
FRANCES CHADWICKDIRECTOR
Trustee or director
1$0
MARY PAT KRAEMERDIRECTOR
Trustee or director
1$0
SHAY KENDRICKSDIRECTOR
Trustee or director
1$0
HEDY DUNN-EMERTISDIRECTOR
Trustee or director
1$0
ANNETTE SEHORNDIRECTOR
Trustee or director
1$0
CRAIG WASHNOKDIRECTOR
Trustee or director
1$0
LESLIE LINKEDIRECTOR
Trustee or director
1$0
CHERIE TROTTIERDIRECTOR
Officer
2$0
WENDY HOFFMANSECRETARY
Officer
2$0
RON WILKINSTREASURER
Officer
2$0
RIZ ALIDIRECTOR
Officer
2$0
PATRICK SULLIVANPRESIDENT
Officer
2$0
CHRISTINE HIPPPAST PRESIDENT
Officer
2$0
990 for the year ended June 30, 2023: 13 people
NameTitleHours / weekCompensation
SHARON SNYDERDIRECTOR
Trustee or director
1$0
MARY PAT KRAEMERDIRECTOR
Trustee or director
1$0
SHAY KENDRICKSDirector
Trustee or director
1$0
HEDY DUNN-EMERTISDirector
Trustee or director
1$0
ANNETTE SEHORNDIRECTOR
Trustee or director
1$0
KATI STEINBERGDirector
Trustee or director
1$0
LESLIE LINKEDirector
Trustee or director
1$0
CHERIE TROTTIERPast President
Officer
2$0
WENDY HOFFMANSECRETARY
Officer
2$0
RON WILKINSTREASURER
Officer
2$0
MIKE WHEELERPast President
Officer
2$0
PATRICK SULLIVANVice President
Officer
2$0
CHRISTINE HIPPPresident
Officer
2$0

Address and contacts

Address (IRS master file)
1050 BATHTUB ROW, LOS ALAMOS, NM 87544-3315
Signed the 990
PATRICK SULLIVAN, President
Phone
(505) 662-6272
Return prepared by
HARTWAY & ASSOCIATES CPAs LLC

Mission

TO PROVIDE A MUSEUM FOR THE PRESERVATION OF LOCAL HISTORY.

990 for the year ended June 30, 2025

Program accomplishments

  • MUSEUM: ARTIFACT AND ARCHIVE COLLECTION DISPLAYS OPEN TO GENERAL PUBLIC. RESEARCH FACILITIES AND SERVICES, SALES OF BOOKS AND OTHER EDUCATIONAL MATERIALS DEVOTED TO HISTORY & CULTURE OF LOS ALAMOS. PUBLICATION OF LOCAL HISTORICAL AND CULTURAL INFORMATION.
    Expenses $412,580

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
85-0231249
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1974
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$3,500,638
Income (IRS master file)
$1,030,409

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$1,030,409$658,037$3,500,638IRS
990June 2024$952,589$788,517$3,026,852IRS
990June 2023$899,595$612,295$2,757,856XML
990June 2022$1,443,921$748,653$2,315,213IRS
990June 2021$1,043,398$855,966$2,238,096IRS
990June 2020–––IRS
990June 2019–––IRS
990June 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 85-0231249).

Questions about LOS ALAMOS HISTORICAL SOCIETY

What is the EIN of LOS ALAMOS HISTORICAL SOCIETY?
The employer identification number (EIN) of LOS ALAMOS HISTORICAL SOCIETY is 85-0231249.
Is LOS ALAMOS HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
Are donations to LOS ALAMOS HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does LOS ALAMOS HISTORICAL SOCIETY 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 LOS ALAMOS HISTORICAL SOCIETY due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did LOS ALAMOS HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who are the officers and directors of LOS ALAMOS HISTORICAL SOCIETY?
The 990 for the year ended June 30, 2025 lists 8 people; 0 received compensation from the organization.
How much revenue does LOS ALAMOS HISTORICAL SOCIETY have?
On its 990 for the year ended June 30, 2025 it reported revenue of $1,030,409, expenses of $658,037 and total assets of $3,500,638 at year end.

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