Civic Intelligence

South Bay Soaring Society

EIN 39-2059945 • 501(c)7 • Sunnyvale, CA

Profile

Recreational radio control glider flying.

POBox 2012-0012Sunnyvale, CA 94087-0012

sbss.org

Siviq Scores

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

Liabilities / Assets

58th percentile

0.00x

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

501(c)7 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

59th percentile

0.00x

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

501(c)7 • <$500k nonprofits • Source year 2025

Net Margin

13th percentile

-24%

Higher net margin than 13% of similar nonprofits.

501(c)7 • <$500k nonprofits • Source year 2025

Top Officer Pay

94th percentile

$0

Higher top officer pay than 94% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)7 • <$500k nonprofits • Source year 2025

Asset Growth

33rd percentile

-7.0%

Faster asset growth than 33% of similar nonprofits.

501(c)7 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

15th percentile

-29%

Faster revenue growth than 15% of similar nonprofits.

501(c)7 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets58th percentile

Assets

Down

$9,427

Down $714 (-7.0%) from 2024

Liabilities

Flat

$0

Flat from 2024

Net Assets

Down

$9,427

Down $714 (-7.0%) from 2024

Operations
Liabilities / Revenue59th percentileNet Margin13th percentile

Revenue

Down

$3,036

Down $1,249 (-29%) from 2024

Expenses

Down

$3,750

Down $2,758 (-42%) from 2024

Net Income

Up

-$714

Up $1,509 (+68%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth33rd percentile

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

$20K$15K$10K$5.0K$0Assets 2016: $9,026Liabilities 2016: $02016Assets 2017: $8,382Liabilities 2017: $02017Assets 2018: $8,726Liabilities 2018: $02018Assets 2019: $11,217Liabilities 2019: $02019Assets 2020: $11,788Liabilities 2020: $02020Assets 2021: $12,744Liabilities 2021: $0Net Assets 2021: $12,7442021Assets 2022: $16,908Liabilities 2022: $0Net Assets 2022: $16,9082022Assets 2023: $12,114Liabilities 2023: $0Net Assets 2023: $12,3642023Assets 2024: $10,141Liabilities 2024: $0Net Assets 2024: $10,1412024Assets 2025: $9,427Liabilities 2025: $0Net Assets 2025: $9,4272025

Highlighted filing

2025

Assets$9,427
Liabilities$0
Net Assets$9,427
Open 2025 Filing

Operations Trend

Revenue Growth15th percentile

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

$20K$10K$0-$10KRevenue 2016: $3,058Expenses 2016: $4,687Net Income 2016: -$1,6292016Revenue 2017: $4,711Expenses 2017: $5,355Net Income 2017: -$6442017Revenue 2018: $5,935Expenses 2018: $5,591Net Income 2018: $3442018Revenue 2019: $7,364Expenses 2019: $4,873Net Income 2019: $2,4912019Revenue 2020: $3,692Expenses 2020: $3,121Net Income 2020: $5712020Revenue 2021: $6,377Expenses 2021: $5,421Net Income 2021: $9562021Revenue 2022: $10,885Expenses 2022: $6,721Net Income 2022: $4,1642022Revenue 2023: $10,875Expenses 2023: $15,669Net Income 2023: -$4,7942023Revenue 2024: $4,285Expenses 2024: $6,508Net Income 2024: -$2,2232024Revenue 2025: $3,036Expenses 2025: $3,750Net Income 2025: -$7142025

Highlighted filing

2025

Revenue$3,036
Expenses$3,750
Net Income-$714
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$9,427
Liabilities
$0
Net assets
$9,427
Revenue
$3,036
Expenses
$3,750
Net income
-$714
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$9.43$0.00$9.43$3.04$3.75$0.71
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$10.1$0.00$10.1$4.29$6.51$2.22
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$12.1$0.00$12.4$10.9$15.7$4.79
2022Import issue. A filing source exists for this year, but detailed import did not complete cleanly.$16.9$0.00$16.9$10.9$6.72$4.16
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$12.7$0.00$12.7$6.38$5.42$0.96
2020Summary only. Only limited summary data is available for this year.$11.8$0.00$3.69$3.12$0.57
2019Summary only. Only limited summary data is available for this year.$11.2$0.00$7.36$4.87$2.49
2018Summary only. Only limited summary data is available for this year.$8.73$0.00$5.94$5.59$0.34
2017Summary only. Only limited summary data is available for this year.$8.38$0.00$4.71$5.36$0.64
2016Summary only. Only limited summary data is available for this year.$9.03$0.00$3.06$4.69$1.63
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Feb 25, 2026
Return Version
2025v4.0
Gross Receipts
$3,036
Mission and Program Overview

Mission

Recreational radio control glider flying.

Program Services

DescriptionGrantsExpenses
The South Bay Soaring Society is an active non profit corporation of about 50 members, men, women, and youths, living principally in the southern San Francisco Bay area. We are dedicated to furthering participation in the sport and hobby of Radio Controlled soaring through activities and programs teaching scientific principles related to our soaring activities and the skills necessary to create, maintain and fly radio controlled gliders. Mentoring youth through public and private programs, encouraging participation in a science based sporting environment, emphasizing fair play, and learning while having fun are the focus of our organization. While we welcome and encourage membership from all age groups, we place special emphasis on serving youth.--
Compensation and Service Providers
Top Officer Pay94th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Robert DeMatteiPresident-$0--
Ken PeartreeVice President-$0--
Ken PeartreeSecretary-$0--
Eric EinarssonTreasurer-$0--
Filing and Contact Details

Filer

Filer Name
South Bay Soaring Society
EIN
39-2059945
Phone
4083547683
Address
POBox 2012-0012, Sunnyvale, CA 94087-0012

Signing Officer

Name
Eric Einarsson
Title
Treasurer
Phone
4083547683
Signed
2026-02-25
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 8

“Banquet attendees payments 320”

Form 990-EZ, Part I, Line 16

“Outreach 240, Club charter and insurance 300, Thank you gifts 47, Banquet 727, Envelopes 5, California Statement of Club Information 20, Winch line 269, Web hosting and privacy protection 320, Banquet over payment refund 40”

Raw XML Appendix122 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
IRS990EZ/ActivitiesNotPreviouslyRptInd00
IRS990EZ/BenefitsPaidToOrForMembersAmt00
IRS990EZ/BooksInCareOfDetail/PersonNm0Eric Einarsson
IRS990EZ/BooksInCareOfDetail/PhoneNum04083547683
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt0POBox 2012-0012
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0Sunnyvale
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CA
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd0940870012
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt010141
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt09427
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd00
IRS990EZ/ContributionsGiftsGrantsEtcAmt0810
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd00
IRS990EZ/ExcessOrDeficitForYearAmt0-714
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt00
IRS990EZ/ForeignFinancialAccountInd00
IRS990EZ/ForeignOfficeInd00
IRS990EZ/Form1120PolFiledInd00
IRS990EZ/Form990TotalAssetsGrp/BOYAmt010141
IRS990EZ/Form990TotalAssetsGrp/EOYAmt09427
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GainOrLossFromSaleOfAssetsAmt00
IRS990EZ/GamingGrossIncomeAmt00
IRS990EZ/GrantsAndSimilarAmountsPaidAmt00
IRS990EZ/GrossProfitLossSlsOfInvntryAmt00
IRS990EZ/GrossReceiptsAmt03036
IRS990EZ/GrossReceiptsForPublicUseAmt00
IRS990EZ/GrossSalesOfInventoryAmt00
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InitiationFeesAndCapContriAmt03036
IRS990EZ/InvestmentIncomeAmt00
IRS990EZ/LandAndBuildingsGrp/BOYAmt00
IRS990EZ/LandAndBuildingsGrp/EOYAmt00
IRS990EZ/MadeLoansToFromOfficersInd00
IRS990EZ/MembershipDuesAmt01906
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt010141
IRS990EZ/NetAssetsOrFundBalancesEOYAmt09427
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt010141
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt09427
IRS990EZ/OccupancyRentUtltsAndMaintAmt01700
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt01
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt11
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt22
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt31
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Robert DeMattei
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Ken Peartree
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2Ken Peartree
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3Eric Einarsson
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Vice President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Secretary
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Treasurer
IRS990EZ/OperateHospitalInd00
IRS990EZ/Organization501cInd0X
IRS990EZ/OrganizationDissolvedEtcInd00
IRS990EZ/OrganizationHadUBIInd00
IRS990EZ/OtherAssetsTotalDetail/BOYAmt00
IRS990EZ/OtherAssetsTotalDetail/EOYAmt00
IRS990EZ/OtherChangesInNetAssetsAmt00
IRS990EZ/OtherExpensesTotalAmt01968
IRS990EZ/OtherRevenueTotalAmt0320
IRS990EZ/PoliticalCampaignActyInd00
IRS990EZ/PrimaryExemptPurposeTxt0Recreational radio control glider flying.
IRS990EZ/PrintingPublicationsPostageAmt082
IRS990EZ/ProgramServiceRevenueAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0The South Bay Soaring Society is an active non profit corporation of about 50 members, men, women, and youths, living principally in the southern San Francisco Bay area. We are dedicated to furthering participation in the sport and hobby of Radio Controlled soaring through activities and programs teaching scientific principles related to our soaring activities and the skills necessary to create, maintain and fly radio controlled gliders. Mentoring youth through public and private programs, encouraging participation in a science based sporting environment, emphasizing fair play, and learning while having fun are the focus of our organization. While we welcome and encourage membership from all age groups, we place special emphasis on serving youth.
IRS990EZ/ProhibitedTaxShelterTransInd00
IRS990EZ/RelatedOrganizationCtrlEntInd00
IRS990EZ/SalariesOtherCompEmplBnftAmt00
IRS990EZ/SaleOfAssetsGrossAmt00
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0CA
IRS990EZ/SubjectToProxyTaxInd00
IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt00
IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt00
IRS990EZ/TanningServicesProvidedInd00
IRS990EZ/TotalExpensesAmt03750
IRS990EZ/TotalProgramServiceExpensesAmt00
IRS990EZ/TotalRevenueAmt03036
IRS990EZ/TransactionWithControlEntInd00
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0SBSS.org
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Banquet attendees payments 320
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Outreach 240, Club charter and insurance 300, Thank you gifts 47, Banquet 727, Envelopes 5, California Statement of Club Information 20, Winch line 269, Web hosting and privacy protection 320, Banquet over payment refund 40
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 8
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part I, Line 16
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Eric Einarsson
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum04083547683
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-02-25
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0SOUTH BAY SOARING SOCIETY
ReturnHeader/Filer/BusinessNameControlTxt0SOUT
ReturnHeader/Filer/EIN0392059945
ReturnHeader/Filer/PhoneNum04083547683
ReturnHeader/Filer/USAddress/AddressLine1Txt0POBox 2012-0012
ReturnHeader/Filer/USAddress/CityNm0Sunnyvale
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd0940870012
ReturnHeader/ReturnTs02026-02-25T13:23:23-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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