Youth and community nonprofits / California / Castro Valley

Boy Scouts

Southbay Youth Maritime Foundation

A tax-exempt nonprofit in Castro Valley, California, classified by the IRS as boy scouts. For the year ending Aug 2021 it reported $128,075 in revenue and $35,787 in expenses.

Data as of November 8, 2026Markdown copyJSON data

What it says it does

“The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades.”From the organization's Form 990 for the year ending Aug 2021, as written (including spelling); all-capital text shown in normal capitalization.

IRS facts

Type: Boy Scouts (IRS activity code O41)

Mailing city (IRS): Castro Valley, California 94546

EIN: 82-3063013

Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 2019, per IRS records posted October 13, 2026.

Revenue on its latest IRS filing: $128,075 (year ending Aug 2021)

Check its status on IRS Tax Exempt Organization Search · Filings on ProPublica Nonprofit Explorer

Southbay Youth Maritime Foundation finances

From the annual returns the group files with the IRS (Form 990, or the shorter Form 990-EZ for smaller groups), 1 filed year. Net assets are what it owns minus what it owes; management and general is office, admin and insurance cost. A dash means not reported (the short form does not ask for employees or volunteers). Each figure links to that year's return. A year is left out when no return is in the IRS e-file data; that does not mean the group was inactive.

Revenue and expenses by yearAug 2021: revenue $128,075, expenses $35,787 Total revenueTotal expenses $128K$35.8KAug '21
Year endingAug 2021
Total revenue$128,075
Total expenses$35,787
Total assets$306,731
Liabilities$0
Net assets$306,731
Employees0
Volunteers50
IRS formForm 990

Where the money goes, year ending Aug 2021

Expense splitPrograms 87%, Management and general 13%

Where the money comes from, year ending Aug 2021

Revenue sourcesGifts and grants 3%, Investment income 0%, Other 97%

People: 0 employees and 50 volunteers reported for the year ending Aug 2021. Counts only; BackPR does not publish names of officers or staff.

Only one return is loaded, so we show no growth label.

Source: IRS Form 990 Series Downloads (the returns open on ProPublica Nonprofit Explorer, which republishes the IRS files). Figures are as the organization filed them. California nonprofit.

How it compares

1 of 6 youth development nonprofits in Castro Valley when sorted from largest to smallest revenue. This shows size only, not quality. Groups with no reported revenue are listed last.

Size: revenue of $218,004 is higher than roughly 50 to 60% of the 1,664 youth development nonprofits in California that report revenue to the IRS (the city count above also includes groups with none). The median is $169,823.

Revenue compared with similar groupsRevenue of $218,004 compared with youth development nonprofits in California: the middle 80% earn between $19,079 and $2,431,114, the median is $169,823. 10th pct$19.1Kmedian$170K90th pct$2.4M This group $218K

Our analysis of the IRS Business Master File (posted October 13, 2026), using each group's latest reported revenue. Groups are sorted by revenue and split into ten equal bands, using all California groups of this type (Youth development, which covers several IRS activity codes). Size only, not a rating.

Around Castro Valley and its county

Alameda County, California: the Census Bureau estimates about 316,637 children under 18 (July 1, 2024). This directory lists 818 youth and community nonprofits with a mailing ZIP code in the county, about 2.6 per 1,000 children. The count includes PTAs, arts and day care groups, so it is not a measure of places for kids.

This group's ZIP code is matched to the county that holds most of its area, so counts are approximate. County figures come from the Census Bureau's Vintage 2024 population estimates.

Licensed programs in Castro Valley

14 licensed child care centers, 11 school-age programs are in state licensing records and listed in the BackPR finder. The examples below are not related to this organization.

licensed child care center

ABC PRESCHOOL & DAYCARE

Castro Valley, CA

State record

school-age program

ABC PRESCHOOL & DAYCARE

Castro Valley, CA

State record

licensed child care center

ACHIEVERS

Castro Valley, CA

State record

school-age program

ADVENTURE TIME - INDEPENDENT

Castro Valley, CA

State record

school-age program

ADVENTURE TIME - JENSEN RANCH

Castro Valley, CA

State record

school-age program

ADVENTURE TIME - PROCTOR

Castro Valley, CA

State record

California background check rules for youth programs · How BackPR works for youth development nonprofits

Questions about Southbay Youth Maritime Foundation

What is Southbay Youth Maritime Foundation's EIN?

Southbay Youth Maritime Foundation's EIN (Employer Identification Number) is 82-3063013. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

Is Southbay Youth Maritime Foundation a nonprofit?

Yes. The IRS lists Southbay Youth Maritime Foundation in Castro Valley, California as tax-exempt under section 501(c)(3), recognized since 2019. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

Are donations to Southbay Youth Maritime Foundation tax-deductible?

Yes, the IRS lists gifts to Southbay Youth Maritime Foundation as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

What does Southbay Youth Maritime Foundation do?

In its own words on its Form 990 for the year ending Aug 2021: "The primary purpose of Southbay Youth Maritime Foundation is to support Sea Scouts and Mariner Scouts programs, primarily in the greater San Francisco Bay Area and Delta, to promote maritime youth activities, to promote the core values of the scouts, and to support young adults seeking post-secondary education in maritime trades." The IRS classifies it as: Boy Scouts.

How much money does Southbay Youth Maritime Foundation take in?

For the year ending Aug 2021, Southbay Youth Maritime Foundation reported total revenue of $128,075 and total expenses of $35,787 on its Form 990 (IRS Form 990 e-file data).

Do you run this organization?

You can add your programs, season dates, ages, prices, registration link and logo to this page, or ask us to remove it. BackPR's free plan for 501(c)(3)s handles online registration, payments, waivers and attendance. No subscription and no BackPR fee on what families pay (card processing fees from Stripe still apply).

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All youth and community nonprofits in Castro Valley

Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.

Data as of November 8, 2026. Sources: IRS Business Master File (posted October 13, 2026), IRS Form 990 series e-file data, U.S. Census Bureau population estimates (July 1, 2024), state child care licensing records in the BackPR finder. Growth labels, ranks and percentiles are BackPR's own calculations.

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