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Nonprofit · EIN 93-4819152

COSTA-OLSON FAMILY FOUNDATION

Tax-exempt · MODESTO, CA 95356

Financials

$5M$10K2023$274K$293K2024$201K$266K2025
Revenue Expenses · by fiscal year end
Financials of COSTA-OLSON FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$201,342$265,984-$64,642$4,924,579$0$4,924,579
December 31, 2024990-PF$274,091$292,750-$18,659$4,989,227$0$4,989,227
December 31, 2023990-PF$5,017,656$9,770$5,007,886$5,007,886$0$5,007,886
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$201,331
Interest
$11

Expenses

Grants and similar amounts paid
$255,100
Disbursements for charitable purposes
$255,100
Excise tax on investment income
$2,799

Balance sheet and other

Total assets, start of year
$4,989,227
Total assets, end of year
$4,924,579
Total liabilities, end of year
$0
Net assets, end of year
$4,924,579
Qualifying distributions
$255,100
Net investment income
$201,342

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

NameTitleHours / weekCompensation
KELSIE COSTA
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
President/Direc1$0
CHRISTOPHER OLSON
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
Secretary/Direc1$0
JEFFREY R HAMILTON
4285 SPYRES WAY, MODESTO, CA 95356
Treasurer/Direc1$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
KELSIE COSTA
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
President/Direc1$0
CHRISTOPHER OLSON
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
Secretary/Direc1$0
JEFFREY R HAMILTON
4285 SPYRES WAY, MODESTO, CA 95356
Treasurer/Direc1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
KELSIE COSTA
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
President/Direc1$0
CHRISTOPHER OLSON
2917 LAGUNA ST, SAN FRANCISCO, CA 94123
Secretary/Direc1$0
JEFFREY R HAMILTON
4285 SPYRES WAY, MODESTO, CA 95356
Treasurer/Direc1$0

Address and contacts

Address (IRS master file)
4285 SPYRES WAY, MODESTO, CA 95356-9270
Signed the 990-PF
JEFFREY R HAMILTON, Treasurer/Direc
Phone
(209) 603-9005
Return prepared by
Sierra View Tax & Consulting

California records

California keeps its own records of charities and corporations. Search them by EIN 93-4819152 or by the name COSTA-OLSON FAMILY FOUNDATION.

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

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
93-4819152
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
2024
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$4,924,579
Income (IRS master file)
$201,342

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$201,342$265,984$4,924,579IRS
990-PFDecember 2024$274,091$292,750$4,989,227XML
990-PFDecember 2023$5,017,656$9,770$5,007,886XML

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 93-4819152).

Questions about COSTA-OLSON FAMILY FOUNDATION

What is the EIN of COSTA-OLSON FAMILY FOUNDATION?
The employer identification number (EIN) of COSTA-OLSON FAMILY FOUNDATION is 93-4819152.
Is COSTA-OLSON FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to COSTA-OLSON FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does COSTA-OLSON FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of COSTA-OLSON FAMILY FOUNDATION 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 COSTA-OLSON FAMILY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of COSTA-OLSON FAMILY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does COSTA-OLSON FAMILY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $201,342, expenses of $265,984 and total assets of $4,924,579 at year end.

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