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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 33-3093334

KEYSTONE NETWORK

Tax-exempt · CLAREMONT, CA 91711

Financials

$12K$12K2025
Revenue Expenses · by fiscal year end
Financials of KEYSTONE NETWORK by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$12,040$12,040$0$0–$0
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$12,040

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$11,294
Occupancy
$236
Printing, publications and postage
$510
Program services (functional)
$12,040

Balance sheet and other

Total assets, start of year
$0
Total assets, end of year
$0
Total liabilities, end of year
–
Net assets, end of year
$0
Gross receipts
$1,204

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Monica ArgandonaExecutive Director25$0

Address and contacts

Address (IRS master file)
1443 N MOUNTAIN AVE, CLAREMONT, CA 91711-3438
In care of
% MONICA ARGANDONA
Signed the 990-EZ
Monica Argandona, Executive Director
Phone
(626) 763-6533

Mission

The specific purpose of this corporation is to provide individualized coaching, mentorship, and resources to empower first-generation and low-income high school and college students and other students and graduates to explore post-high school opportunities, build professional networks, and achieve lifelong academic and career success.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • We currently have nine students in the program and have paired them up with their own mentors. We continue to recruit more students and more mentors. Our expenses are associated with printing and website design and maintenance.
    Expenses $12,040

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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, 2026990-EZ on file
2024December 31, 2024May 15, 2025No data
2023December 31, 2023May 15, 2024No data

File the 2026 990-N for KEYSTONE NETWORK

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
33-3093334
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
2025
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B99)
Assets (IRS master file)
$1
Income (IRS master file)
$12,040

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about KEYSTONE NETWORK

What is the EIN of KEYSTONE NETWORK?
The employer identification number (EIN) of KEYSTONE NETWORK is 33-3093334.
Is KEYSTONE NETWORK tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
Are donations to KEYSTONE NETWORK tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does KEYSTONE NETWORK file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of KEYSTONE NETWORK due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did KEYSTONE NETWORK last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of KEYSTONE NETWORK?
The 990-EZ for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
How much revenue does KEYSTONE NETWORK have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $12,040, expenses of $12,040 and total assets of $0 at year end.

Other nonprofits in CLAREMONT

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