California Spousal Support Calculator

Calculate Alimony Under California Family Code § 4320

Income Information

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Marriage Details

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Marriage less than 10 years?
Marriage 10+ years?
Is recipient custodial parent?

California-Specific Factors

Domestic violence involved?
Fault-based divorce?

Needs and Resources

Earning Capacity

Recipient Sacrificed Career for Marriage?
Recipient has disability?

Duration Factors

Maintain marital standard of living?
Significant separate property?
Important Tax Law Update (SB 711) – Effective January 1, 2026: For divorce or separation agreements finalized on or after January 1, 2026, spousal support payments are non-deductible for the payor and non-taxable for the recipient at both the federal and California state levels. This creates a tax-neutral transfer. For agreements finalized before 2026, the prior rules (deductible for CA state tax by payor, taxable to recipient for CA state tax) apply. This calculator provides estimates under Family Code § 4320; the tax treatment affects net financial impact but not the gross support calculation.

California Spousal Support Calculation Results

Support Type Determination

Recommended Support Type:

Primary Factors:

Monthly Support Amount

Guideline Amount:

Duration of Support

Recommended Duration:

Judicial Considerations

Likely Range:

Key Factors:

Tax Implications (SB 711): For agreements finalized on/after Jan 1, 2026, the calculated amount is a tax-neutral transfer – non-deductible for payor, non-taxable for recipient. Prior agreements may have different treatment.
Disclaimer: This calculator provides estimates only based on California statutes and case law. Not legal advice. Consult a licensed California family law attorney.

California Support Case Law Examples (Updated)

In re Marriage of Carter (2025)
Cal.App.5th

Addressed retirement and health issues in long-term marriages. The court held that a supporting spouse's voluntary early retirement without financial necessity could justify a reduction (but not termination) of support, particularly when the supported spouse has health limitations affecting employability.

In re Marriage of Lopez (2024)
Cal.App.5th

Reaffirmed that trial courts have broad discretion in determining spousal support but must provide a reasoned explanation based on the § 4320 factors. Permanent support requires individual analysis of all statutory factors beyond temporary guidelines.

In re Marriage of Shimkus (2016)
244 Cal.App.4th 1262

Addressed retirement issues, ruling that a supporting spouse's retirement may constitute a change of circumstances warranting modification.

In re Marriage of Morrison (1978)
20 Cal.3d 437

Landmark case establishing that for marriages of long duration (10+ years), the court may retain jurisdiction indefinitely rather than setting a specific termination date.

Modifying Support in California

Under California Family Code § 4320, support can be modified for material change in circumstances, remarriage, payor's retirement at reasonable age, recipient's improved earning capacity, or disability.

File a Request for Order (Form FL-300)
Serve notice on the other party
Gather evidence (tax returns, pay stubs, medical records)
Attend mediation (required in many counties)
Court hearing for unresolved cases

California Spousal Support FAQs

What factors do California courts consider for spousal support?

California courts consider all factors under Family Code § 4320, including: marital standard of living, marketable skills, needs of each party, marriage duration, ability to pay, age/health, domestic violence, tax consequences, and the goal of self-support within a reasonable time.

How long does spousal support last in California?

Marriages under 10 years: Support typically lasts half the length of the marriage. Marriages 10+ years: Support may be ordered for an indefinite period. Long-term marriages (20+ years): Support may be permanent, though subject to modification.

Are spousal support payments taxable in California after 2026?

For agreements finalized ON OR AFTER January 1, 2026 (SB 711): Spousal support is non-deductible for the payor and non-taxable for the recipient for both federal and California state tax purposes – a fully tax-neutral transfer. For agreements finalized BEFORE 2026: The prior "split" rules apply (deductible for CA state tax by payor, taxable to recipient for CA state tax). Modifications of older agreements may retain old tax treatment unless SB 711 is specifically invoked.

What is a "Gavron warning"?

A Gavron warning (from In re Marriage of Gavron, 203 Cal.App.3d 705 (1988)) informs the supported spouse of their obligation to make reasonable efforts to become self-supporting. Failure to do so may affect future modification requests.

How does domestic violence affect spousal support?

California Family Code § 4320(i) requires courts to consider documented domestic violence. Effects may include increased support for victims, reduced support for perpetrators, and extended duration for economic recovery.