Civic Intelligence

Humboldt Historical Society

EIN 23-7335930 • 501(c)3 • Eureka, CA

Profile

Acquiring, creating, preserving interpreting, and disseminating historic information and assisting others to do the same.

703 8th StreetEureka, CA 95501

www.humboldthistory.org

Siviq Scores

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

Liabilities / Assets

68th percentile

0.01x

Higher debt load relative to assets than 68% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

75th percentile

0.03x

Higher debt load relative to revenue than 75% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

28th percentile

-13%

Higher net margin than 28% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

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

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

47th percentile

-3.7%

Faster asset growth than 47% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

40th percentile

-12%

Faster revenue growth than 40% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets68th percentile

Assets

Down

$330,937

Down $12,653 (-3.7%) from 2024

Liabilities

Up

$4,909

Up $1,604 (+49%) from 2024

Net Assets

Down

$326,028

Down $14,257 (-4.2%) from 2024

Operations
Liabilities / Revenue75th percentileNet Margin28th percentile

Revenue

Down

$186,671

Down $24,795 (-12%) from 2024

Expenses

Up

$211,516

Up $11,289 (+5.6%) from 2024

Net Income

Down

-$24,845

Down $36,084 (-321%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth47th percentile

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

$400K$300K$200K$100K$0Assets 2015: $257,069Liabilities 2015: $1,950Net Assets 2015: $255,1192015Assets 2016: $283,279Liabilities 2016: $2,254Net Assets 2016: $281,0252016Assets 2017: $302,919Liabilities 2017: $4,188Net Assets 2017: $298,7312017Assets 2018: $312,051Liabilities 2018: $2,688Net Assets 2018: $309,3632018Assets 2019: $293,409Liabilities 2019: $4,098Net Assets 2019: $289,3112019Assets 2020: $321,566Liabilities 2020: $21,000Net Assets 2020: $300,5662020Assets 2021: $365,511Liabilities 2021: $3,202Net Assets 2021: $362,3092021Assets 2022: $347,815Liabilities 2022: $1,238Net Assets 2022: $346,5772022Assets 2023: $332,854Liabilities 2023: $3,967Net Assets 2023: $328,8872023Assets 2024: $343,590Liabilities 2024: $3,305Net Assets 2024: $340,2852024Assets 2025: $330,937Liabilities 2025: $4,909Net Assets 2025: $326,0282025

Highlighted filing

2025

Assets$330,937
Liabilities$4,909
Net Assets$326,028
Open 2025 Filing

Operations Trend

Revenue Growth40th percentile

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

$300K$200K$100K$0-$100KRevenue 2015: $169,233Expenses 2015: $182,506Net Income 2015: -$13,2732015Revenue 2016: $175,892Expenses 2016: $149,986Net Income 2016: $25,9062016Revenue 2017: $168,415Expenses 2017: $150,709Net Income 2017: $17,7062017Revenue 2018: $172,219Expenses 2018: $161,587Net Income 2018: $10,6322018Revenue 2019: $153,456Expenses 2019: $173,606Net Income 2019: -$20,1502019Revenue 2020: $153,451Expenses 2020: $142,196Net Income 2020: $11,2552020Revenue 2021: $217,712Expenses 2021: $155,969Net Income 2021: $61,7432021Revenue 2022: $160,387Expenses 2022: $177,503Net Income 2022: -$17,1162022Revenue 2023: $198,990Expenses 2023: $213,273Net Income 2023: -$14,2832023Revenue 2024: $211,466Expenses 2024: $200,227Net Income 2024: $11,2392024Revenue 2025: $186,671Expenses 2025: $211,516Net Income 2025: -$24,8452025

Highlighted filing

2025

Revenue$186,671
Expenses$211,516
Net Income-$24,845
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$330,937
Liabilities
$4,909
Net assets
$326,028
Revenue
$186,671
Expenses
$211,516
Net income
-$24,845
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$3.31$0.05$3.26$1.87$2.12$0.25
2024Detailed filing. Detailed filing data is available for this year.$3.44$0.03$3.40$2.11$2.00$0.11
2023Detailed filing. Detailed filing data is available for this year.$3.33$0.04$3.29$1.99$2.13$0.14
2022Detailed filing. Detailed filing data is available for this year.$3.48$0.01$3.47$1.60$1.78$0.17
2021Detailed filing. Detailed filing data is available for this year.$3.66$0.03$3.62$2.18$1.56$0.62
2020Detailed filing. Detailed filing data is available for this year.$3.22$0.21$3.01$1.53$1.42$0.11
2019Detailed filing. Detailed filing data is available for this year.$2.93$0.04$2.89$1.53$1.74$0.20
2018Detailed filing. Detailed filing data is available for this year.$3.12$0.03$3.09$1.72$1.62$0.11
2017Detailed filing. Detailed filing data is available for this year.$3.03$0.04$2.99$1.68$1.51$0.18
2016Detailed filing. Detailed filing data is available for this year.$2.83$0.02$2.81$1.76$1.50$0.26
2015Detailed filing. Detailed filing data is available for this year.$2.57$0.02$2.55$1.69$1.83$0.13
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Jan 28, 2026
Return Version
2024v5.2
Gross Receipts
$216,254
Mission and Program Overview

Mission

Acquiring, creating, preserving interpreting, and disseminating historic information and assisting others to do the same.

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$129,365$190,843▲ $61,478
Land, Buildings, and Equipment, Net$96,440$93,460▼ $2,980
Inventories for Sale or Use$25,197$28,768▲ $3,571
Cash and Non-Interest-Bearing Accounts$91,026$15,546▼ $75,480
Accounts Receivable$7,734$2,320▼ $5,414
Other Notes and Loans Receivable, Net-$0-
Pledges and Grants Receivable-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Investments in Publicly Traded Securities-$0-
Intangible Assets-$0-
Prepaid Expenses and Deferred Charges-$0-
Total Assets$349,762$330,937▼ $18,825
Other Assets Total-$0-
Liabilities
Accounts Payable and Accrued Expenses$3,673$4,909▲ $1,236
Total Liabilities$3,673$4,909▲ $1,236
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$346,089$326,028▼ $20,061
Total Net Assets Fund Balance$346,089$326,028▼ $20,061
Total Liabilities and Net Assets / Fund Balance$349,762$330,937▼ $18,825

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$88,557$194,915$283,472
Equipment$4,903$3,270$8,173

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2024$75,048$50,000▲ $12,261-$136,171
2023$65,873-▲ $10,213-$75,048
Compensation and Service Providers
Top Officer Pay81st percentile

Board Members and Trustees

NameTitle
Dr Alexandra ServicePast President
James GarrisonPresident
Mark CastroVice President
Catherine AlexanderDirector
Jackie FarringtonDirector
Lara GarrisonDirector
Nick AngeloffDirector
Paul GeckDirector
Robert CliverDirector
Royal B McCarthyDirector
Sile BauriedelDirector
Susan MaschineierDirector
Alyssa EllisSecretary
Jack IrvineTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$156,958
Program Service Revenue
$442
Investment Income
$14,757
Other Revenue
$14,514
All Other Contributions
$90,907
Change in Net Assets
$-24,845
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$114,818
Salaries, Compensation, and Employee Benefits$96,698
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$53,698$34,332-$88,030
Occupancy$12,975$1,442-$14,417
All Other Expenses$5,472$2,712-$8,184
Depreciation Depletion$7,186$798-$7,984
Payroll Taxes$4,571$2,922-$7,493
Insurance$2,434$1,673-$4,107
Other Expenses$3,129$348-$3,477
Office Expenses-$2,667-$2,667
Fees for Services Accounting-$1,585-$1,585
Other Employee Benefits$717$458-$1,175
Advertising$48--$48
Total Functional Expenses$158,961$52,555$0$211,516
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Direct Expenses$18,098
Fundraising Gross Income$15,473
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Annual Banquet & Beerfest$16,473$15,473$6,110$9,363
Total Events$16,473$15,473$18,098$-2,625
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Receivables from Disqualified Persons-$0-
Receivables from Officers, Directors, Trustees, and Key Employees-$0-
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

“The 990 is made available to the board for review before it is filed.”

Form 990, Part VI, Section C, Line 19

“Upon request.”

Filing and Contact Details

Filer

Filer Name
Humboldt Historical Society
EIN
23-7335930
Phone
7074454342
Address
703 8th Street, Eureka, CA 95501

Signing Officer

Name
Jack Irvine
Title
Treasurer
Signed
2026-01-28
Discuss with paid preparer
Yes

Organization Details

Formed
1975
Legal Domicile
CA
Voting Board Members
14
Independent Board Members
14
Employees
6

Preparer

Firm
Roy E Corsetti CPA an Accountancy Corporation
Address
134 D Street Suite 201, Eureka, CA 95501
Preparer
Roy E Corsetti CPA
Phone
7074433168
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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt0149959
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IRS990ScheduleA/Post1975UBTIGrp/TotalAmt00
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