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How to use or fill out estimated 2018 form with our platform
- Click ‘Get Form’ to open the estimated 2018 form in the editor.
- Begin by entering the taxable year, which is pre-filled as 2018. Ensure this is correct for your filing.
- Select the type of entity you are filing for by checking one of the boxes: Form 100, 100W, or 100S, or Form 109.
- Fill in your California corporation number and Federal Employer Identification Number (FEIN) in the designated fields.
- Complete each installment section by entering the due dates and estimated tax amounts. Make sure to check if any payment is due; if not, do not mail this form.
- Finally, review all entered information for accuracy before saving or exporting your completed form.
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We've got more versions of the estimated 2018 form form. Select the right estimated 2018 form version from the list and start editing it straight away!
| Versions | Form popularity | Fillable & printable |
|---|---|---|
| 2025 | 4.1 Satisfied (27 Votes) | |
| 2024 | 4.8 Satisfied (57 Votes) | |
| 2023 | 4.1 Satisfied (27 Votes) | |
| 2022 | 4.8 Satisfied (110 Votes) | |
| 2021 | 4.1 Satisfied (47 Votes) | |
| 2020 | 4.4 Satisfied (162 Votes) | |
| 2019 | 4.2 Satisfied (41 Votes) | |
| 2018 | 4 Satisfied (59 Votes) | |
| 2017 | 4.4 Satisfied (187 Votes) | |
| 2016 | 4.2 Satisfied (113 Votes) | |
| 2015 | 4 Satisfied (32 Votes) | |
| 2014 | 4 Satisfied (54 Votes) |
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