EIN 84-2800368

Seattle Universal Math Museum

IRS 501(c) type
501(c)(3)
Num. employees
15
Year formed
2019
Most recent tax filings
2024-06-01
Description
Seattle Universal Math Museum's mission is to spark a love of math in everyone. The museum fosters positive connections to math and boosts confidence through creative opportunities for exploration, learning, and discovery. A donation of $125,000 from an individual donor has funded several prototype exhibit design projects, demonstrating the museum's dedication to immersive and interactive math experiences. In partnership with Zeno and funded by the Simons Foundation, SUMM + Zeno Family Fun engages 45 families with children in math play through a series of 20 sessions over six months.
Total revenues
$836,268
2024
Total expenses
$844,833
2024
Total assets
$475,171
2024
Num. employees
15
2024

Program areas at Seattle Universal Math Museum

SUMM continued to develop, collaborate on and participate in multiple free math community outreach programs and activities to promote positive experiences, engaging with our local and broader communities. Expenses include staff, consultants, advertising and promotion, conferences, travel and association memberships to further our mission, and support the organization to provide creative, dynamic and research-supported math education programming. Grant for $10,000 included for support for our future educational outreach van.
SUMM continued to develop potential prototype exhibits to be included in future programming and exhibit spaces, including future travel to schools, libraries, and community centers in our local communities. These prototype exhibits demonstrate our dedication to immersive and interactive math experiences, and may be further developed into more permanent exhibits at our future museum space. Staff, consultants and various project expenses are included in this fiscal year's expenses, and funding came from a $125,000 grant in a previous year.
SUMM continued with multiple math education programming in partnership with multiple organizations, schools, libraries, community centers and other museums to facilitate learning math in a fun, hands-on way for all ages of participants. In FY24 we hosted more than two hundred events and reached over ten thousand participants at various sites, many with partner organizations. We received grants and donations to cover about 70% of expenses, and 75% of our events were held in "communities of opportunity" with highly diverse populations.
Studio Infinity started three projects in the latter half of the fiscal year, sponsored by Seattle Universal Math Museum, and following the mission to spark each and every person to love math. Projects were displayed in diverse venues around the United States.

Who funds Seattle Universal Math Museum

Grants from foundations and other nonprofits
GrantmakerDescriptionAmount
The Mathenaeum FoundationDirector's Compensation Fund, Studio Infinity Programs, and General Support$222,500
Simons FoundationSumm + Zeno Family Math Fun Gift$72,000
American Online Giving FoundationGeneral Support$35,787
...and 11 more grants received

Financials for Seattle Universal Math Museum

RevenuesFYE 06/2024
Total grants, contributions, etc.$792,665
Program services$26,601
Investment income and dividends$15,672
Tax-exempt bond proceeds$0
Royalty revenue$0
Net rental income$0
Net gain from sale of non-inventory assets$0
Net income from fundraising events$0
Net income from gaming activities$0
Net income from sales of inventory$0
Miscellaneous revenues$1,330
Total revenues$836,268

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Data update history
August 18, 2025
Updated personnel
Identified 16 new personnel
July 6, 2025
Received grants
Identified 3 new grant, including a grant for $13,302 from Pitch Your Peers Seattle
March 26, 2025
Received grants
Identified 2 new grant, including a grant for $35,787 from American Online Giving Foundation
February 18, 2025
Posted financials
Added Form 990 for fiscal year 2024
January 29, 2025
Updated personnel
Identified 1 new personnel
Nonprofit Types
Arts, culture, and humanities nonprofitsMuseumsCharities
Issues
Arts, cultural, and humanities
Characteristics
Partially liquidatedFundraising eventsState / local levelReceives government fundingTax deductible donationsAccepts online donations
General information
Address
2100 24th Ave S Suite 120
Seattle, WA 98144
Metro area
Seattle-Tacoma-Bellevue, WA
County
King County, WA
Website URL
seattlemathmuseum.org/ 
Phone
(206) 208-2002
IRS details
EIN
84-2800368
Fiscal year end
June
Taxreturn type
Form 990
Year formed
2019
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
A56: Natural History, Natural Science Museums
NAICS code, primary
7121: Museums, Historical Sites, and Similar Institutions
Parent/child status
Independent
California AB-488 details
AB 488 status
May Operate or Solicit for Charitable Purposes
Charity Registration status
Current
FTB status revoked
Not revoked
AG Registration Number
CT0297185
FTB Entity ID
6159370
AB 488 data last updated ("as-of") date
2025-10-01
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