Nonprofit · EIN 87-3420125
TIDELINE FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94111
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $79,455 | $427,916 | -$348,461 | $5,022,934 | $6,200 | $5,016,734 |
| September 30, 2024 | 990 | $422,248 | $159,920 | $262,328 | $4,707,831 | $0 | $4,707,831 |
| September 30, 2023 | 990 | $97,517 | $53,635 | $43,882 | $3,887,251 | $9,000 | $3,878,251 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $0
- Investment income
- $79,455
- Net gain from sales of assets
- -$688
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $262,000
- Compensation of officers, directors and key employees
- $89,940
- Salaries, compensation and benefits (total)
- $94,419
- Professional fundraising fees
- $0
- Legal fees
- $1,425
- Accounting fees
- $18,625
- Program services (functional)
- $262,000
- Management and general (functional)
- $165,916
Balance sheet and other
- Total assets, start of year
- $4,707,831
- Total assets, end of year
- $5,022,934
- Total liabilities, end of year
- $6,200
- Net assets, end of year
- $5,016,734
- Publicly traded securities
- $4,769,156
- Gross receipts
- $528,721
- Employees
- 2
- Volunteers
- 0
- Year formed
- 2021
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RONALD EPSTEIN | PRESIDENT Trustee or director, Officer | 15 | $0 |
| THERESA EPSTEIN | SECRETARY Trustee or director, Officer | 15 | $0 |
| CINDY HOANG | TREASURER Trustee or director, Officer | 15 | $0 |
990 for the year ended September 30, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RONALD EPSTEIN | PRESIDENT Trustee or director, Officer | 15 | $0 |
| THERESA EPSTEIN | SECRETARY Trustee or director, Officer | 15 | $0 |
| CINDY HOANG | TREASURER Trustee or director, Officer | 15 | $0 |
990 for the year ended September 30, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RONALD EPSTEIN | PRESIDENT Trustee or director, Officer | 15 | $0 |
| THERESA EPSTEIN | SECRETARY Trustee or director, Officer | 15 | $0 |
| CINDY HOANG | TREASURER Trustee or director, Officer | 15 | $0 |
Address and contacts
- Address (IRS master file)
- 100 PINE ST STE 1250, SAN FRANCISCO, CA 94111-5235
- Principal officer (990 for 2024)
- RONALD EPSTEIN, 100 PINE STREET SUITE 1250, SAN FRANCISCO, CA 94111
- Signed the 990
- RONALD EPSTEIN, PRESIDENT
- Phone
- (650) 218-7204
- Website
- WWW.TIDELINEFOUNDATION.ORG
- Return prepared by
- ABBOTT STRINGHAM & LYNCH
California records
California keeps its own records of charities and corporations. Search them by EIN 87-3420125 or by the name TIDELINE FOUNDATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
TIDELINE FOUNDATION PROMOTES SOCIETAL WELFARE AND WORKS TO LESSEN TENSIONS AND ELIMINATE PREJUDICE AND DISCRIMINATION BY PROMOTING COHESION THROUGH BUILDING A RECOGNITION OF THE COMMONALITY OF INTEREST AMONG ALL CITIZENS THROUGH EDUCATION AND COMMUNICATION.
Program accomplishments
- RESEARCH RELATED TO EMOTIONAL COMMUNICATION AND HOW IT CAN BE USED TO CREATE COHESION RATHER THAN DIVISION TO FORM THE FOUNDATION OF EFFECTIVE COMMUNICATION AND PROMOTE COHESION, SPECIFICALLY INTO MESSAGES AND MEANS OF PROMOTING COMMONALITY OF INTEREST BETWEEN COMPETING INTEREST GROUPS, AND THEN TO PURSUE THE CREATION AND DISSEMINATION OF MATERIALS ACROSS ALL FORMS OF MEDIA AND INFORMATION DISSEMINATION PROMOTING THE MESSAGE AND MEANS.Expenses $262,000 · grants $262,000
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 87-3420125
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2022
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Public and societal benefit (W99)
- Assets (IRS master file)
- $5,022,934
- Income (IRS master file)
- $528,721
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $79,455 | $427,916 | $5,022,934 | XML |
| 990 | September 2024 | $422,248 | $159,920 | $4,707,831 | XML |
| 990 | September 2023 | $97,517 | $53,635 | $3,887,251 | XML |
| 990 | September 2022 | $4,393,440 | $23,327 | $3,333,030 | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 87-3420125).
Questions about TIDELINE FOUNDATION
- What is the EIN of TIDELINE FOUNDATION?
- The employer identification number (EIN) of TIDELINE FOUNDATION is 87-3420125.
- Is TIDELINE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to TIDELINE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TIDELINE FOUNDATION file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of TIDELINE FOUNDATION due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TIDELINE FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who is the principal officer of TIDELINE FOUNDATION?
- The 990 for the year ended September 30, 2025 names RONALD EPSTEIN.
- Who are the officers and directors of TIDELINE FOUNDATION?
- The 990 for the year ended September 30, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does TIDELINE FOUNDATION have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $79,455, expenses of $427,916 and total assets of $5,022,934 at year end.
Other nonprofits in SAN FRANCISCO
- SWORDS TO PLOWSHARES VETERANS RIGHTS ORGANIZATION EIN 94-2260626 · last filed 990 for 2025
- THE CENTER FOR INVESTIGATIVE REPORTING EIN 94-2282759 · last filed 990 for 2025
- CENIC CALIFORNIA MIDDLE MILE BROADBAND INITIATIVE LLC EIN 87-2397970 · last filed 990 for 2025
- FUSE CORPS EIN 27-5469219 · last filed 990 for 2025
- CITY OF SAN FRANCISCO JAPAN CENTER GARAGE CORPORATION EIN 94-3346985 · last filed 990 for 2026
- CORO NORTHERN CALIFORNIA INC EIN 94-3117758 · last filed 990 for 2025
- PACIFIC PENSION & INVESTMENT INSTITUTE EIN 94-3264631 · last filed 990 for 2025
- EAT REAL CERTIFIED INC EIN 45-4482654 · last filed 990 for 2025
All nonprofits in SAN FRANCISCO · California · Public and societal benefit