Corporation Depreciation and Amortization

Use the California Tax Form Calculator California Tax Form 3885 as a stand alone tax form calculator to quickly calculate specific amounts for your 2026 California state tax return. Alternatively, you can use one of our Combined Federal and State Tax Estimators to quickly calculate your salary, tax, and take-home pay.

Corporation Depreciation and Amortization
Part I Election To Expense Certain Property Under IRC Section 179
1	Maximum deduction under IRC Section 179 for California							1
2	Total cost of IRC Section 179 property placed in service							2
3	Threshold cost of IRC Section 179 property before reduction in limitation							3
4	Reduction in limitation. Subtract line 3 from line 2. If zero or less, enter -0-							4
5	Dollar limitation for taxable year. Subtract line 4 from line 1. If zero or less, enter -0-							5
(a) Description of property				(b) Cost (business use only)			(c) Elected cost
6



7	Listed property (elected IRC Section 179 cost)						7
8	Total elected cost of IRC Section 179 property. Add amounts in column (c), line 6 and line 7							8
9	Tentative deduction. Enter the smaller of line 5 or line 8							9
10	Carryover of disallowed deduction from prior taxable years							10
11	Business income limitation. Enter the smaller of business income (not less than zero) or line 5							11
12	IRC Section 179 expense deduction. Add line 9 and line 10, but do not enter more than line 11							12
13	Carryover of disallowed deduction to 2018. Add line 9 and line 10, less line 12						13
Part II Depreciation and Election of Additional First Year Depreciation Deduction Under R&TC Section 24356
(a) Description of property		(b) Date acquired (mm/dd/yyyy)	(c) Cost or other basis	(d) Depreciation allowed or allowable in earlier years	(e) Depreciation method	(f) Life or rate	(g) Depreciation for this year	(h) Additional first year depreciation
14




15	Carryover of disallowed deduction to 2018. Add line 9 and line 10, less line 12						15
Part III Summary
16	Total: If the corporation is electing: IRC Section 179 expense, add the amount on line 12 and line 15, column (g) or Additional first year depreciation under R&TC Section 24356, add the amounts on line 15, columns (g) and (h) or Depreciation (if no election is made), enter the amount from line 15, column (g)							16
17	Total depreciation claimed for federal purposes from federal Form 4562, line 22							17
18	Depreciation adjustment. If line 17 is greater than line 16, enter the difference here and on Form 100 or Form 100W, Side 1, line 6. If line 17 is less than line 16, enter the difference here and on Form 100 or Form 100W, Side 2, line 12. (If California depreciation amounts are used to determine net income before state adjustments on Form 100 or Form 100W, no adjustment is necessary .)							18
Part IV Amortization
(a) Description of property		(b) Date acquired (mm/dd/yyyy)	(c) Cost or other basis	(d) Amortization allowed or allowable in earlier years	(e) R&TC section (see instructions)		(f) Period or percentage	(g) Amortization for this year
19




20	Total. Add the amounts in column (g)							20
21	Total amortization claimed for federal purposes from federal Form 4562, line 44							21
22	Amortization adjustment. If line 21 is greater than line 20, enter the difference here and on Form 100 or Form 100W, Side 1, line 6. If line 21 is less than line 20, enter the difference here and on Form 100 or Form 100W, Side 2, line 12							22

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Frequently Asked Questions

Does California tax ESOP distributions?

Distributions are generally taxable per federal/state rules; timing/character matters.

Do I owe use tax on online purchases?

Yes—CA use tax may be due on untaxed out-of-state purchases; it’s reported on the return.

Are stock options/supplemental wages handled specially?

Employers may use supplemental withholding methods; totals still flow into CA taxable income.

What is CalEITC?

California’s Earned Income Tax Credit for low-to-moderate earners; eligibility depends on income and filing status.

I moved mid-year—how is CA tax handled?

Use part-year rules; apportion income between states and file CA as part-year resident if applicable.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.