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Port Townsend Marine Science Center

The port townsend marine science center inspires conservation of the salish sea.

Science & Technology Port Townsend, WA EIN: 911193699 (IRS) Sign up to see website
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77
Integrity Assessment
Strong transparency
77/100 · methodology

About Port Townsend Marine Science Center

PTMSC inspires the conservation of the Salish Sea and welcomes people to discover and delight in the incredible biodiversity of the Salish Sea.

Founded
Headquarters
Port Townsend, WA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
U21Z
IRS subsection
501(c)(c3)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1983

Mission

The port townsend marine science center inspires conservation of the salish sea.

Focus areas & reach

· What they work on and where
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 6 similar science & technology in United States
Program spending This charity: 67%
Peer average: 87%
CEO comp as % of revenue This charity: 7.71%
Peer average: 0.48%
Integrity Assessment This charity: 77
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.67
Program$0.67

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

GiveRadar's verified records show Port Townsend Marine Science Center with a complete profile, cross-referenced across 3 independent sources including the IRS.

  • It is one of the better-documented science & technology charities in the United States GiveRadar currently tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
  • It has more complete governance disclosure than nearly all similar organizations, because GiveRadar has verified leadership, executive compensation, a mission statement and a founding date. See national comparisons
  • GiveRadar holds 5 years of financial filings for this organization, the most recent for fiscal year 2024. See the filings
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
  • a donation page
  • third-party accreditation
Not yet verified by GiveRadar
  • a contact email
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Port Townsend Marine Science Center is a registered science & technology nonprofit based in Port Townsend, WA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1982 and has been operating for 44 years. Its EIN is 911193699. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 77/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $910K in annual revenue. 40 officers and directors are publicly disclosed. No red flags have been detected.

Port Townsend Marine Science Center's EIN (Employer Identification Number) is 911193699. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Port Townsend Marine Science Center has a GiveRadar Integrity Assessment of 77/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 77 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Port Townsend Marine Science Center is located in Port Townsend, WA, United States. The organization was established in 1982 and has been active for 44 years.

Based on official tax filings, Port Townsend Marine Science Center has $910K in annual revenue. It allocates 67% of expenses to programs and services. This is below the average of 87% for science & technology charities in United States. Its revenue is below the peer average of $15M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Port Townsend Marine Science Center is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a medium organization. It has $910K in annual revenue. The organization has 40 disclosed officers and directors.

No red flags have been detected for Port Townsend Marine Science Center. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Port Townsend Marine Science Center holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 67% of expenses go to programs (the peer average is 87%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

PTMSC inspires the conservation of the Salish Sea and welcomes people to discover and delight in the incredible biodiversity of the Salish Sea. Port Townsend Marine Science Center is classified as a science & technology organization registered in United States. The organization was founded in 1982.

Among science & technology charities registered in United States: It allocates 67% of expenses to programs, below the peer average of 87%. Its annual revenue of $910K is below the peer average of $15M.

Yes, donations to Port Townsend Marine Science Center are generally tax-deductible in the United States. Its EIN is 911193699, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$100K-$1M
67% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
20

Leadership

From FY2024 filing

DI
Diane Q••••
Executive Director

Officers & trustees (14)

Source: Public filings

See full names, roles, and stories

14 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

10 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Activity timeline

Filings and press mentions, merged

Form filed
$0.9M revenue
FY2024
IRS 990
‘Iconic’ aquarium set to close in December - Port Townsend & Jefferson County Leader
Nov 2024
ptleader.com
Port of Port Townsend, Northwest Maritime trying to discourage sea lions - Peninsula Daily News
Jun 2024
www.peninsuladailynews.com
Form filed
$1.1M revenue
FY2023
IRS 990
Port Townsend Marine Science Center changes leadership - Peninsula Daily News
May 2023
www.peninsuladailynews.com
Sylvia, Port Townsend's giant Pacific octopus, to return to the Salish Sea - KOMO
Jan 2023
komonews.com
Form filed
$0.9M revenue
FY2022
IRS 990
Port Townsend Marine Science Center launches kelp forest exhibit - Peninsula Daily News
Dec 2022
www.peninsuladailynews.com
New marine science center leader to begin Friday - Miami University
Dec 2022
miamioh.edu
10 Amazing Experiences In Quaint Port Townsend, Washington - TravelAwaits
May 2022
www.travelawaits.com
Form filed
$1.5M revenue
FY2021
IRS 990
Port Townsend Marine Science Center to move downtown - Peninsula Daily News
Aug 2021
www.peninsuladailynews.com
Form filed
$0.7M revenue
FY2020
IRS 990
Port Townsend Marine Science Center – Review - Condé Nast Traveler
Sep 2020
www.cntraveler.com
Public asked to comment on Fort Worden pier, boat launch - Port Townsend & Jefferson County Leader
Jun 2019
ptleader.com

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Science & Technology this charity 7,612
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 40 disclosed in the public registry.
News and media coverage
GDELT Project + Google News

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2024 on record
  • Named leadership · 40 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1982
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Port Townsend Marine Science Center

What is Port Townsend Marine Science Center?
Port Townsend Marine Science Center is a science & technology publicly-supported charity (509(a)(2)) based in Port Townsend, United States. PTMSC inspires the conservation of the Salish Sea and welcomes people to discover and delight in the incredible biodiversity of the Salish Sea.
When was Port Townsend Marine Science Center founded?
Port Townsend Marine Science Center was founded in 1982.
Who leads Port Townsend Marine Science Center?
Diane Quinn serves as Executive Director.
Where is Port Townsend Marine Science Center located?
Headquartered in Port Townsend, WA, United States.
What is Port Townsend Marine Science Center's annual budget?
Annual revenue for fiscal year 2024 is approximately $100K-$1M. 67% of expenses go to program services.
Is Port Townsend Marine Science Center trustworthy?
Port Townsend Marine Science Center has a GiveRadar Integrity Assessment of 77 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Port Townsend Marine Science Center's registration number?
IRS EIN: 911193699.
What is Port Townsend Marine Science Center's website?
https://ptmsc.org/