Nonprofit · EIN 94-6094047
CALIFORNIA WEED SCIENCE SOCIETY
Tax-exempt · SACRAMENTO, CA 95814
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $198,470 | $158,004 | $40,466 | $455,629 | $0 | $455,629 |
| June 30, 2024 | 990 | $163,758 | $167,973 | -$4,215 | $413,499 | $0 | $413,499 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $145,165
- Investment income
- $53,305
- Net gain from sales of assets
- $43,340
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $12,300
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $1,320
- Travel
- $2,029
Balance sheet and other
- Total assets, start of year
- $413,499
- Total assets, end of year
- $455,629
- Total liabilities, end of year
- $0
- Net assets, end of year
- $455,629
- Publicly traded securities
- $430,683
- Gross receipts
- $609,833
- Employees
- 0
- Volunteers
- 10
- Year formed
- 1948
- 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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KRISTINA MADDEN | PRESIDENT Trustee or director, Officer | 2 | $0 |
| JOY HOLLINGSWORTH | VICE PRESIDE Trustee or director, Officer | 2 | $0 |
| JASON ROBBINS | SECRETARY Trustee or director, Officer | 2 | $0 |
| SCOTT STODDARD | PAST PRESIDE Trustee or director, Officer | 2 | $0 |
| DAVE BLODGET | DIRECTOR Trustee or director | 2 | $0 |
| JAMES HRUSKOCI | DIRECTOR Trustee or director | 2 | $0 |
| CLEBSON GOMES GONCALVES | DIRECTOR Trustee or director | 2 | $0 |
| JOSIE HUGIE | DIRECTOR Trustee or director | 2 | $0 |
| THOMAS GETTS | DIRECTOR Trustee or director | 2 | $0 |
| VINCENT AVILA | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KRISTINA MADDEN | PRESIDENT Trustee or director, Officer | 2 | $0 |
| JOY HOLLINGSWORTH | VICE PRESIDE Trustee or director, Officer | 2 | $0 |
| JASON ROBBINS | SECRETARY Trustee or director, Officer | 2 | $0 |
| SCOTT STODDARD | PAST PRESIDE Trustee or director, Officer | 2 | $0 |
| DAVE BLODGET | DIRECTOR Trustee or director | 2 | $0 |
| JAMES HRUSKOCI | DIRECTOR Trustee or director | 2 | $0 |
| CLEBSON GOMES GONCALVES | DIRECTOR Trustee or director | 2 | $0 |
| JOSIE HUGIE | DIRECTOR Trustee or director | 2 | $0 |
| THOMAS GETTS | DIRECTOR Trustee or director | 2 | $0 |
| VINCENT AVILA | DIRECTOR Trustee or director | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 1521 I ST, SACRAMENTO, CA 95814-2016
- In care of
- % CELESTE ELLIOTT
- Principal officer (990 for 2024)
- KRISTINA MADDEN
- Signed the 990
- CHRIS ZANOBINI, EXECUTIVE DIRECTOR
- Phone
- (916) 441-1064
- Website
- WWW.CWSS.ORG
- Return prepared by
- ROOD & DINIS LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 94-6094047 or by the name CALIFORNIA WEED SCIENCE SOCIETY.
- 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
THE SOCIETY PROVIDES THE OPPORTUNITY FOR INFORMATION EXCHANGE ON WEED SCIENCE AND TECHNOLOGY, ADVISES STAKEHOLDERS ON INDUSTRY DEVELOPMENTS, FACILITATES COOPERATION AMONG INDIVIDUALS, AGENCIES AND ORGANIZATIONS, ENCOURAGES CAREERS IN WEED SCIENCE, AND PROMOTES GROWTH AND INTERACTION FOR MEMBERS.
Program accomplishments
- THE SOCIETY PROVIDES AN ANNUAL PROFESSIONAL CONFERENCE WHERE NEW RESEARCH AND THE DIVERSE AND DYNAMIC CHALLENGES OF WEED MANAGEMENT ARE ADDRESSED.
- THE SOCIETY OFFERS SCHOLARSHIPS AND AWARDS TO QUALIFIED UNDERGRADUATE AND GRADUATE STUDENTS WITH AN INTEREST IN WEED OR INVASIVE PLANT MANAGEMENT.
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 94-6094047
- Tax-exempt status
- 501(c)(5): Labor, agricultural or horticultural organization
- Donations deductible
- No
- Exempt since
- 1965
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $455,629
- Income (IRS master file)
- $609,833
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $198,470 | $158,004 | $455,629 | XML |
| 990 | June 2024 | $163,758 | $167,973 | $413,499 | XML |
| 990 | June 2023 | $184,053 | $175,081 | $396,429 | IRS |
| 990 | June 2022 | $154,751 | $174,073 | $376,929 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | 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 94-6094047).
Questions about CALIFORNIA WEED SCIENCE SOCIETY
- What is the EIN of CALIFORNIA WEED SCIENCE SOCIETY?
- The employer identification number (EIN) of CALIFORNIA WEED SCIENCE SOCIETY is 94-6094047.
- Is CALIFORNIA WEED SCIENCE SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1965.
- Are donations to CALIFORNIA WEED SCIENCE SOCIETY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does CALIFORNIA WEED SCIENCE SOCIETY 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 CALIFORNIA WEED SCIENCE SOCIETY due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CALIFORNIA WEED SCIENCE SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of CALIFORNIA WEED SCIENCE SOCIETY?
- The 990 for the year ended June 30, 2025 names KRISTINA MADDEN.
- Who are the officers and directors of CALIFORNIA WEED SCIENCE SOCIETY?
- The 990 for the year ended June 30, 2025 lists 10 people; 0 received compensation from the organization.
- How much revenue does CALIFORNIA WEED SCIENCE SOCIETY have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $198,470, expenses of $158,004 and total assets of $455,629 at year end.
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