William Stephen Tellam Foundation

EIN 93-1565366 • San Diego, CA

Pub. 78 Eligible

11072 Caminito Vista PacificaSan Diego, CA 92131

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

95%

Higher net margin than 97% of similar nonprofits.

<$500k nonprofits • Source year 2024

$2,835

Higher top officer pay than 84% of similar nonprofits.

<$500k nonprofits • Source year 2025

57%

Faster asset growth than 89% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

-46%

Faster revenue growth than 20% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets63rd percentile

Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.

Assets

$287,579

Up $103,861 (+57%) from 2023

Liabilities

Flat

Flat from 2023

Net Assets

$287,579

Up $103,861 (+57%) from 2023

Operations

Liabilities / Revenue66th percentile Net Margin97th percentile

Revenue

Down

$108,104

Down $92,488 (-46%) from 2023

Expenses

Down

$5,320

Down $11,554 (-68%) from 2023

Net Income

Down

$102,784

Down $80,934 (-44%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth89th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Latest loaded filing

2024

Assets$287,579

Liabilities$0

Net Assets$287,579

Open 2024 Filing

Operations Trend

Revenue Growth20th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Latest loaded filing

2024

Revenue$108,104

Expenses$5,320

Net Income$102,784

Open 2024 Filing

Filings

Most recent year

2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: -
Liabilities: -
Net assets: -
Revenue: -
Expenses: -
Net income: -

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.	$2.88	$0.00	$2.88	$1.08	$0.05	$1.03
2023Detailed filing. Detailed filing data is available for this year.	$1.84	$0.00	$1.84	$2.01	$0.17	$1.84

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2025 to Dec 31, 2025
Signed: Apr 15, 2026
Return Version: 2025v4.1

Compensation and Service Providers

Top Officer Pay84th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
Warren Magill	President	-	$2,835	-	$2,835
Kathryn Starr	Treasurer	-	$0	-	-
Guy Curtis	Secretary	-	$0	-	-

Grants and Assistance

Foundation Grants and Related Investments

Type	Recipient	Purpose	Status	Location	Amount
Paid Grant	Coastal Roots Farm	General Operations	-	Encinitas, CA, US	$20,000
Paid Grant	Don Diego Foundation	General Operations	-	Del Mar, CA, US	$15,000
Paid Grant	Heart & Hooves Therapy	General Operations	-	Ramona, CA, US	$10,000

Filing and Contact Details

Filer

Filer Name: William Stephen Tellam Foundation
EIN: 93-1565366
Phone: 6198905984
Address: 11072 Caminito Vista Pacifica, San Diego, CA 92131

Signing Officer

Name: Warren Magill
Title: President
Signed: 2026-04-15
Discuss with paid preparer: Yes

Preparer

Firm: Brenda Magill
Address: 11072 Caminito Vista Pacifica, San Diego, CA 92131
Preparer: Brenda Magill
Phone: 6199802992

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IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	false
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	false
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt	0	13461
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt	0	13461
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt	0	10849
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt	0	47649
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt	0	36800
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt	0	10849
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt	0	50261
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt	0	36800
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	47649
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	10849
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
LegalFeesSchedule/LegalFeesGrp/AdjustedNetIncomeAmt	0	0
LegalFeesSchedule/LegalFeesGrp/CategoryTxt	0	Legal fees
LegalFeesSchedule/LegalFeesGrp/DisbursementsCharitablePrpsAmt	0	851
LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt	0	851
LegalFeesSchedule/LegalFeesGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/AdjustedNetIncomeAmt	0	269
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	Investment Advisory Fees
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	1	State fees
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	75
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	0	269
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	269
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	1	75
TaxesSchedule/TaxesDetail/Amt	0	98
TaxesSchedule/TaxesDetail/CategoryTxt	0	Federal tax
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	true
ReturnHeader/BusinessOfficerGrp/PersonNm	0	Warren Magill
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	President
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2026-04-15
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	William Stephen Tellam Foundation
ReturnHeader/Filer/BusinessNameControlTxt	0	WILL
ReturnHeader/Filer/EIN	0	931565366
ReturnHeader/Filer/PhoneNum	0	6198905984
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	11072 Caminito Vista Pacifica
ReturnHeader/Filer/USAddress/CityNm	0	San Diego
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	CA
ReturnHeader/Filer/USAddress/ZIPCd	0	92131
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	830567861
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	Brenda Magill
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	11072 Caminito Vista Pacifica
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	San Diego
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	92131
ReturnHeader/PreparerPersonGrp/PhoneNum	0	6199802992
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	Brenda Magill
ReturnHeader/PreparerPersonGrp/SelfEmployedInd	0	X
ReturnHeader/ReturnTs	0	2026-04-15T07:43:06-07:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2025-01-01
ReturnHeader/TaxPeriodEndDt	0	2025-12-31
ReturnHeader/TaxYr	0	2025

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