| 2025 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2024 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2024 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2023 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2022 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee/VP Of Agriculture | 1 | $0 | $302,831 | View return |
| 2021 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2020 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee/VP Of Agriculture | 1 | $0 | $394,920 | View return |
| 2020 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2020 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee/VP Of Agriculture | 1 | $0 | $222,670 | View return |
| 2019 | Northern California Water Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2018 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee/VP Of Agriculture | 1 | $0 | $272,305 | View return |
| 2018 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2018 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2017 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Secretary | 1 | $0 | $229,939 | View return |
| 2017 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2017 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Secretary | 1 | $0 | $209,420 | View return |
| 2016 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2016 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee | 1 | $0 | $230,214 | View return |
| 2015 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2015 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2014 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee | 1 | $0 | $277,511 | View return |
| 2014 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2014 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Wehah Farm Inc Tax Exempt Trust for Welfare Benefits | 990 | Trustee | 1 | $0 | $195,744 | View return |
| 2013 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2013 | Northern California Water Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2012 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2011 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |
| 2010 | Mabryer Foundation | 990PF | Secretary | 0.1 | $0 | $0 | View return |