Youth and community nonprofits / Texas / Seguin

Baseball and softball

Open Diamond Foundation

A tax-exempt baseball and softball nonprofit with a mailing address in Seguin, Texas, IRS-recognized as tax-exempt since 2025.

Data as of November 8, 2026Markdown copyJSON data

IRS facts

Type: Baseball and softball (IRS activity code N63)

Mailing city (IRS): Seguin, Texas 78155

EIN: 39-2250699

Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 2025, per IRS records posted October 13, 2026.

Revenue on its latest IRS filing: Not reported. Groups with under $50,000 in receipts usually file the e-Postcard (Form 990-N), which shows no revenue.

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

Around Seguin and its county

Guadalupe County, Texas: the Census Bureau estimates about 46,162 children under 18 (July 1, 2024). This directory lists 87 youth and community nonprofits with a mailing ZIP code in the county, about 1.9 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 Seguin

12 licensed child care centers, 1 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

Community Child Development Center

Seguin, TX

State record

licensed child care center

Emanuel's Lutheran Day School

Seguin, TX

State record

licensed child care center

Faith Lutheran Preschool

Seguin, TX

State record

licensed child care center

First Methodist Weekday School

Seguin, TX

State record

licensed child care center

Friedens Early Learning Academy

Seguin, TX

State record

licensed child care center

Jumping Kangaroos Daycare LLC

Seguin, TX

State record

Texas background check rules for youth programs · How BackPR works for amateur sports nonprofits

Questions about Open Diamond Foundation

What is Open Diamond Foundation's EIN?

Open Diamond Foundation's EIN (Employer Identification Number) is 39-2250699. 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 Open Diamond Foundation a nonprofit?

Yes. The IRS lists Open Diamond Foundation in Seguin, Texas as tax-exempt under section 501(c)(3), recognized since 2025. 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 Open Diamond Foundation tax-deductible?

Yes, the IRS lists gifts to Open Diamond 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 Open Diamond Foundation do?

The IRS classifies Open Diamond Foundation as: Baseball and softball. It has not filed a Form 990 or 990-EZ with a mission statement that we have loaded.

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).

Add details to this page · Remove this page · About the free plan

Free forms for amateur sports nonprofits

More amateur sports nonprofits in Seguin

Sports associations and training

Beast Athletics

Seguin, TX 78155

Tax-exempt since 2022 · EIN 87-3885530

Racquet sports

Legacy Sliders

Seguin, TX 78155

Tax-exempt since 2025 · EIN 41-2854075

Football

Nb Crusaders

Seguin, TX 78155

Tax-exempt since 2026 · EIN 41-5251254

All youth and community nonprofits in Seguin

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), 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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