California Tax Form 3805e | Fill in and Calculate California State Tax Online

Installment Sale Income

Use the California Tax Form Calculator California Tax Form 3805e 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.

Installment Sale Income
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2
3	Was the property sold to a related party after December 31, 1980? If "No," skip line 4	Yes No
4	Was the property you sold to a related party a marketable security?	Yes No
If you checked “Yes,” complete Part III. If you checked “No,” complete Part III for the year of sale and for 2 years after the year of sale.
Part I Gross Profit and Contract Price. Complete this part for the year of sale only.
5	Selling price including mortgages and other debts (do not include stated or unstated interest)	5
6	Mortgages and other debts the buyer assumed or took the property subject to, but not new mortgages the buyer got from a bank or other source	6
7	Subtract line 6 from line 5	7
8	Cost or other basis of property sold	8
9	Depreciation allowed or allowable. Use California amounts	9
10	Adjusted basis. Subtract line 9 from line 8	10
11	Commissions and other expenses of sale	11
12	Income recapture from Schedule D-1, Part III. See instructions	12
13	Add line 10, line 11, and line 12	13
14	Subtract line 13 from line 5. If zero or less, stop here. Do not complete the rest of this form	14
15	If the above property was your main home, using California amounts, enter your excluded gain. Otherwise, enter -0-	15
16	Gross profit. Subtract line 15 from line 14	16
17	Subtract line 13 from line 6. If zero or less, enter -0-	17
18	Contract price. Add line 7 and line 17	18
Part II Installment Sale Income. Complete this part for the year of sale and any year you receive a payment or have certain debts you must treat as payments on installment obligations.
19	Gross profit percentage. Divide line 16 by line 18. For years after the sale, see instructions	19
20	For year of sale only – Enter amount from line 17 above. Otherwise, enter -0-	20
21	Payments received during the year. (do not include stated or unstated interest)	21
22	Add line 20 and line 21	22
23	Payments received in prior years. (do not include stated or unstated interest)	23
24	Installment sale income. Multiply line 22 by line 19	24
25	Enter the part of line 24 that is ordinary income under recapture rules. See instructions	25
26	Subtract line 25 from line 24. Enter the result here and on Schedule D (540, 540NR, 541, 565, 568, or 100S) or Schedule D-1	26
Part III Related Party Installment Sale Income. Do not complete this part if you received the final installment payment this taxable year.
27	Name, address, and taxpayer identification number of related party
28	Did the related party, during this taxable year, resell or dispose of the property (“second disposition”)?	Yes No
29	If you checked “Yes,” on line 28, complete lines 30 through 37 below unless one of the following conditions is met. Check only the box that applies
a The second disposition was more than two years after the first disposition (other than dispositions of marketable securities). If this box is checked, enter the date of the disposition (mm/dd/yyyy
b The first disposition was a sale or exchange of stock to the issuing corporation.
c The second disposition was an involuntary conversion where the threat of conversion occurred after the first disposition.
d The second disposition occurred after the death of the original seller or buyer.
e It can be established to the satisfaction of the Franchise Tax Board that tax avoidance was not a principal purpose for either of the dispositions. If you check this box, attach an explanation.
30	Selling price of property sold by related party	30
31	Enter contract price from line 18 for year of first sale	31
32	Enter the smaller of line 30 or line 31	32
33	Total payments received by the end of your 2017 taxable year. Add line 22 and line 23	33
34	Subtract line 33 from line 32. If zero or less, enter -0-	34
35	Multiply line 34 by the gross profit percentage on line 19 for year of first sale	35
36	Enter the part of line 35 that is ordinary income under recapture rules. See instructions	36
37	Subtract line 36 from line 35. Enter the result here and on Schedule D (540, 540NR, 541, 565, 568, or 100S) or Schedule D-1	37

Installment Sale Income

▸

Was the property sold to a related party after December 31, 1980? If "No," skip line 4

Yes
No

Was the property you sold to a related party a marketable security?

Yes
No

If you checked “Yes,” complete Part III. If you checked “No,” complete Part III for the year of sale and for 2 years after the year of sale.

Part I Gross Profit and Contract Price. Complete this part for the year of sale only.

Selling price including mortgages and other debts (do not include stated or unstated interest)

Mortgages and other debts the buyer assumed or took the property subject to, but not new mortgages the buyer got from a bank or other source

Subtract line 6 from line 5

Cost or other basis of property sold

Depreciation allowed or allowable. Use California amounts

Adjusted basis. Subtract line 9 from line 8

Commissions and other expenses of sale

Income recapture from Schedule D-1, Part III. See instructions

Add line 10, line 11, and line 12

Subtract line 13 from line 5. If zero or less, stop here. Do not complete the rest of this form

If the above property was your main home, using California amounts, enter your excluded gain. Otherwise, enter -0-

Gross profit. Subtract line 15 from line 14

Subtract line 13 from line 6. If zero or less, enter -0-

Contract price. Add line 7 and line 17

Part II Installment Sale Income. Complete this part for the year of sale and any year you receive a payment or have certain debts you must treat as payments on installment obligations.

Gross profit percentage. Divide line 16 by line 18. For years after the sale, see instructions

For year of sale only – Enter amount from line 17 above. Otherwise, enter -0-

Payments received during the year. (do not include stated or unstated interest)

Add line 20 and line 21

Payments received in prior years. (do not include stated or unstated interest)

Installment sale income. Multiply line 22 by line 19

Enter the part of line 24 that is ordinary income under recapture rules. See instructions

Subtract line 25 from line 24. Enter the result here and on Schedule D (540, 540NR, 541, 565, 568, or 100S) or Schedule D-1

Part III Related Party Installment Sale Income. Do not complete this part if you received the final installment payment this taxable year.

Name, address, and taxpayer identification number of related party

Did the related party, during this taxable year, resell or dispose of the property (“second disposition”)?

Yes
No

If you checked “Yes,” on line 28, complete lines 30 through 37 below unless one of the following conditions is met. Check only the box that applies

a The second disposition was more than two years after the first disposition (other than dispositions of marketable securities). If this box is checked, enter the date of the disposition (mm/dd/yyyy

b The first disposition was a sale or exchange of stock to the issuing corporation.

c The second disposition was an involuntary conversion where the threat of conversion occurred after the first disposition.

d The second disposition occurred after the death of the original seller or buyer.

e It can be established to the satisfaction of the Franchise Tax Board that tax avoidance was not a principal purpose for either of the dispositions. If you check this box, attach an explanation.

Selling price of property sold by related party

Enter contract price from line 18 for year of first sale

Enter the smaller of line 30 or line 31

Total payments received by the end of your 2017 taxable year. Add line 22 and line 23

Subtract line 33 from line 32. If zero or less, enter -0-

Multiply line 34 by the gross profit percentage on line 19 for year of first sale

Enter the part of line 35 that is ordinary income under recapture rules. See instructions

Subtract line 36 from line 35. Enter the result here and on Schedule D (540, 540NR, 541, 565, 568, or 100S) or Schedule D-1

Last reviewed: : If you believe this form requires an update, please contact us.

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Frequently Asked Questions

How does community property affect my CA return?

Married/RDP filers may have community property allocation rules; see CA guidance.

Are employer retirement contributions taxed by CA?

Pre-tax 401(k)/403(b) contributions reduce federal and generally CA taxable wages.

Is there a separate Medicare surtax in CA?

Additional Medicare is federal; California PIT is separate and applies via its own brackets/credits.

Does CA tax out-of-state remote work?

CA generally taxes income earned while working in CA; non-CA work may be non-CA source—track days/location.

Can I deduct mortgage interest in CA?

Often yes, subject to CA limits/adjustments; compare standard vs itemized for CA.

Important Notes

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