The Seasteading Institute

EIN: 262386590 501(c)(3) Social Science

San Francisco, CA

Total Revenue
$1,257,075
Total Expenses
$307,459
Total Assets
$1,988,637
Net Assets
$1,979,957
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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year
2008
Legal Domicile
CA
Phone
8667436660
Tax Period
2025-01-01 to 2025-12-31

The Seasteading Institute, founded in 2008, is a community nonprofit in the Social Science sector that reported $1.3M in total revenue in fiscal year 2025. Revenue surged 145% from the prior year, signaling strong growth momentum. The organization ran a surplus of $950K, a strong 76% operating margin.

Mission

Works to enable floating societies which will allow the next generation of pioneers to test new ideas for government

Program Service Accomplishments

Program 1
Expenses: $253,666

In 2025, The Seasteading Institute worked to promote floating city projects by continuing research into flagging and classification for active projects and educating our online and conference...

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In 2025, The Seasteading Institute worked to promote floating city projects by continuing research into flagging and classification for active projects and educating our online and conference audiences about the progress of our partners who are designing and building structures for life on the ocean.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2025)

Revenue Breakdown

Contributions & Grants $553,875
Program Service Revenue $0
Investment Income $703,200
Other Revenue $0
TOTAL REVENUE $1,257,075

Expense Breakdown

Grants Paid $0
Salaries & Benefits $222,411
Fundraising Expenses $15,065
Program Expenses $253,666
Other Expenses $85,048
TOTAL EXPENSES $307,459

Year-over-Year Comparison

2025 2024 Change
Revenue $1,257,075 $512,352 +1.5%
Expenses $307,459 $366,398 -0.2%
Net Income $949,616 $145,954 +5.5%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

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Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
4
Independent Members
4
Employees
2
Volunteers
25

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
3
$122,849
Total Directors
4
$122,849
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
Joe Quirk President 43.00
Officer Director
$97,161 $25,688 $122,849
Michael Strong Board Member 1.00
Director
$0 $0 $0
OShane Balloun Secretary 1.00
Officer Director
$0 $0 $0
James Von Ehr Board Member 1.00
Director
$0 $0 $0
Katie Chowne Treasurer 1.00
Officer
$0 $0 $0
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $1,257,075 $307,459 $1,988,637 $949,616
2024 $512,352 $366,398 $635,037 $145,954
2023 $337,348 $519,781 $488,414 $-182,433
2022 $666,268 $470,492 $721,499 $195,776
2021 $279,515 $286,863 $951,532 $-7,348
2020 $433,707 $236,230 $737,743 $197,477
2018 $374,148 $325,850 $439,030 $48,298
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