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Nonprofit · EIN 46-3909427

SUNNYVALE SISTER CITY ASSOCIATION

Tax-exempt · SUNNYVALE, CA 94085

Financials

$166K$162K2023$253K$231K2024
Revenue Expenses · by fiscal year end
Financials of SUNNYVALE SISTER CITY ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$253,210$230,624$22,586$34,093$0$34,093
December 31, 2023990-EZ$166,477$162,386$4,091$36,790$21,192$15,598
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$13,250
Program service revenue
$239,918
Investment income
$42
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Occupancy
$3,000
Travel
$215,502
Program services (functional)
$215,363
Management and general (functional)
$15,261

Balance sheet and other

Total assets, start of year
$32,699
Total assets, end of year
$34,093
Total liabilities, end of year
$0
Net assets, end of year
$34,093
Gross receipts
$253,210
Employees
0
Volunteers
40
Year formed
2013
State of legal domicile
CA

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 December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
RONZIELINSKI
Trustee or director
10$0
JAYYAMANAGA
Trustee or director
10$0
NICOLENISHIMOTO
Trustee or director
10$0
MELISSAWRIGHT
Trustee or director
10$0
990-EZ for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
Makoto Mark KatoFounder5$0
Ron ZielinskiPresident5$0
Jay YamanagaVice President1$0
Nicole NishimotoCreative Director1$0
Yushi HotakaTreasurer0.5$0

Address and contacts

Address (IRS master file)
440 NORTH WOLFE ROAD 197, SUNNYVALE, CA 94085-3869
In care of
% MAKOTO MARK KATO
Mailing address (990-N for 2022)
440 North Wolfe Road 197, Sunnyvale CA 94085
Principal officer (990 for 2024)
RON ZIELINSKI, 440 North Wolfe Road Suite 197, Sunnyvale, CA 94085
Principal officer (990-N for 2022)
Mark Makoto Kato, 440 North Wolfe Road 197, Sunnyvale CA 94085
Signed the 990
Yushi Hotaka, Treasurer
Phone
(669) 206-8525

California records

California keeps its own records of charities and corporations. Search them by EIN 46-3909427 or by the name SUNNYVALE SISTER CITY ASSOCIATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

SSCA promotes immersive cross-cultural exchanges for residents of all ages in Sunnyvale and Iizuka, Japan through virtual and in-person engagements. These exchanges build community, broaden minds, broaden relationships, and broaden horizons, creating diverse ties between our cities for a better future together.

990 for the year ended December 31, 2024

Program accomplishments

  • 1. Iizuka-to-Sunnyvale (I2S) Student Exchange Program Since 2014, the organization has partnered with the Iizuka Friendship Network and Iizuka City to promote international cultural exchange between Sunnyvale and Iizuka students. Each March, SSCA hosts middle and high school students from Iizuka for homestays with local families in Sunnyvale, allowing participants to experience daily American life, attend school activities, and participate in cultural and educational programs. To date, the program has connected more than 300 students from both communities and continues to strengthen cross-cultural understanding and sister-city relations. 2. Sunnyvale-to-Iizuka (S2I) Student Exchange Program Each June, SSCA sends Sunnyvale students to Iizuka, Japan, for a homestay and cultural immersion experience. Participants stay with local host families, attend school and community events, and engage in activities highlighting Japanese history, culture, and daily life. The program provides Sunnyvale youth with a meaningful international experience that fosters global awareness, independence, and long-term relationships with partner families in Iizuka. SSCA coordinates travel, orientation, supervision, and cultural activities in collaboration with its sister-city partners. 3. Sunnyvale-to-Japan Adult and Family Cultural Tour SSCA administers an annual adult and family cultural tour to Japan, typically a two-week program beginning in Tokyo and concluding with a three-day stay in the sister city of Iizuka. Participants experience traditional and modern Japanese culture through activities such as hot spring visits, sake brewery tours, World Heritage sites, scenic gardens, and stays at traditional inns (ryokans). The program includes roundtrip airfare from San Francisco, domestic travel in Japan, guided English-language tours, and an optional homestay with Iizuka community members. This program strengthens international friendships and promotes cultural understanding for adults and families.
    Expenses $215,363 · revenue $239,918

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

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
46-3909427
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
2014
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Unknown (Z99)
Assets (IRS master file)
$34,093
Income (IRS master file)
$253,210

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$253,210$230,624$34,093XML
990-EZDecember 2023$166,477$162,386$36,790XML
990-N for 2022
Officer: Mark Makoto Kato
December 31, 2022≤ $50,000 receipts––e-Postcard
990-EZDecember 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 46-3909427).

Questions about SUNNYVALE SISTER CITY ASSOCIATION

What is the EIN of SUNNYVALE SISTER CITY ASSOCIATION?
The employer identification number (EIN) of SUNNYVALE SISTER CITY ASSOCIATION is 46-3909427.
Is SUNNYVALE SISTER CITY ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Are donations to SUNNYVALE SISTER CITY ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SUNNYVALE SISTER CITY ASSOCIATION 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 SUNNYVALE SISTER CITY ASSOCIATION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SUNNYVALE SISTER CITY ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of SUNNYVALE SISTER CITY ASSOCIATION?
The 990 for the year ended December 31, 2024 names RON ZIELINSKI.
Who are the officers and directors of SUNNYVALE SISTER CITY ASSOCIATION?
The 990 for the year ended December 31, 2024 lists 4 people; 0 received compensation from the organization.
How much revenue does SUNNYVALE SISTER CITY ASSOCIATION have?
On its 990 for the year ended December 31, 2024 it reported revenue of $253,210, expenses of $230,624 and total assets of $34,093 at year end.

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