IRS organization
CURIOSITY SERVICE FOUNDATION INC
This listing describes a nonprofit organization. Tax classification is separate from state registration and operating status.
Record reference date: October 13, 2026. Details may be incomplete or outdated.
- Record type
- IRS organization
- Record identifier
- 510402621
- Status
- Unconditional Exemption
- City
- Seaford
- State or territory
- Delaware
- Address
- 1100 MIDDLEFORD RD
- Postal code
- 19973-3608
- Record date
- Not reported
- EIN
- 510402621
- IRS subsection code
- 03
- IRS ruling month (YYYYMM)
- 200102
- NTEE classification
- P29
Names and reported roles
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- IRS organization name
- CURIOSITY SERVICE FOUNDATION INC
Other reported names
- In-care-of name
- % DOLORES J SLATCHER
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Directory details
Identifiers
- Ein
- 51-0402621
Names
- Legal
- CURIOSITY SERVICE FOUNDATION INC
- In Care Of
- % DOLORES J SLATCHER
Addresses
- Mailing · Street 1
- 1100 MIDDLEFORD RD
- Mailing · City
- Seaford
- Mailing · Region
- DE
- Mailing · Postal Code
- 19973-3608
Tax
- Group Exemption Number
- 0000
- Subsection
- 501(c)(3)
- Affiliation
- Independent organization
- Classification Codes
- 1000
- Deductibility
- Contributions deductible
- Foundation Classification
- Publicly supported organization under 170(b)(1)(A)(vi)
- Activity Codes
- 000000000
- Irs Status
- Unconditional Exemption
- Return Filing Requirement
- Form 990 or 990-EZ
- Private Foundation Filing Requirement
- No Form 990-PF required
- Accounting Period Month
- 6
Dates
- Irs Ruling Month
- 2001-02
- Tax Period
- 2025-06
Entity
- Irs Organization Form
- Corporation
Financial
- Asset Band
- $500,000–$999,999
- Income Band
- $100,000–$499,999
- Assets Usd
- 510894
- Income Usd
- 375572
- Revenue Usd
- 375572
Industry
- Ntee Code
- P29
All reported fields
Other reported details
- EIN
- 510402621
- STATUS
- 01
Names and reported roles
- IRS organization name
- CURIOSITY SERVICE FOUNDATION INC
Mailing information
- In-care-of name
- % DOLORES J SLATCHER
- IRS mailing street
- 1100 MIDDLEFORD RD
- IRS mailing city
- SEAFORD
- IRS mailing state
- DE
- IRS mailing postal code
- 19973-3608
IRS reported fields and codes
- GROUP
- 0000
- SUBSECTION
- 03
- AFFILIATION
- 3
- CLASSIFICATION
- 1000
- IRS ruling month (YYYYMM)
- 200102
- DEDUCTIBILITY
- 1
- FOUNDATION
- 15
- ORGANIZATION
- 1
- IRS tax period (YYYYMM)
- 202506
- ASSET CD
- 5
- INCOME CD
- 4
- FILING REQ CD
- 01
- PF FILING REQ CD
- 0
- ACCT PD
- 06
- Reported assets (USD)
- 510894
- Reported income (USD)
- 375572
- Reported revenue (USD)
- 375572
Industry and classification
- ACTIVITY
- 000000000
- NTEE classification
- P29