Last updated: September 14, 2026|General guardianship bond information — confirm current requirements with the licensing authority.

Same statute family, two different bonds

Guardianship Bond: Minor Ward vs. Incapacitated Adult Ward

A minor’s guardianship bond and an incapacitated adult’s guardianship (or conservatorship) bond run through the identical statute in California, Texas, and Florida — same court, same penal-sum article. But the two bonds behave nothing alike in practice. A minor’s bond has a built-in exit date (the ward’s 18th birthday); an adult ward’s bond can run for decades. A minor’s estate is usually a lump sum sitting still; an adult ward more often has an active income stream that gets added into the bond math. And whether that income includes Social Security depends entirely on which state you’re in — California counts it, Texas doesn’t.

Quick answer

A minor's guardianship bond and an incapacitated adult's guardianship (or conservatorship) bond run through the same statute in California, Texas and Florida, but behave differently. A minor's bond has a built-in exit date (the ward's 18th birthday), an adult ward's bond can run for decades, and whether the ward's Social Security income counts depends on the state: California counts it, Texas does not.

Who requires it: The court that appoints the guardian, under the state's guardianship statute (Cal. Prob. Code § 2320, Tex. Est. Code § 1105.154, Fla. Stat. § 744.351).
Amount: Page examples (corporate surety): a minor with a $150,000 settlement and no income gets a $150,000 bond; an adult ward with $300,000 in assets plus $42,000 of income and benefits gets a $342,000 bond. California doubles the figure with personal sureties.
Typical cost (estimate): Typically 0.5%-1.5% of the penal sum annually for standard credit; family guardians with credit below 600 should expect 2%-5%. The carrier sets the final price. The surety sets the final price.

Get a guardianship bond quote

18th birthday

Minor bond’s statutory exit

Indefinite

Adult ward bond’s duration

3 states

3 different formula shapes

Get Your Guardianship Bond Quote

Tell us who the ward is — the underwriting question is different for each.

Two Wards, Two Very Different Risk Pictures

Both bonds come out of the same probate/guardianship court, filed in the same case type, under the same article of the state code. The economics diverge from there.

Minor Ward

Ends automatically when the ward turns 18 — no court order needed to trigger termination
Usually a static estate — an inheritance, injury settlement, or life-insurance payout sitting in an account, generating little income
Guardian is usually a parent or relative — underwriting weighs family relationship heavily
Known bond duration at filing — carriers can price to a fixed horizon

Incapacitated Adult Ward

Runs until capacity is restored or the ward dies — no statutory exit date
Usually has active income — SSDI, a pension, investment income, or rental income layered on top of principal
Guardian can be family, an attorney, or a professional fiduciary — underwriting scrutiny is heavier
Open-ended duration — carriers price the unknown timeline into the renewal rate

How Courts Calculate the Penal Sum — And Why the Math Isn’t the Same in Every State

All three states size a guardianship bond off the ward’s property, but they build the formula differently. California and Texas both add a year of anticipated income on top of the ward’s liquid assets — they just disagree on whether Social Security counts as income. Florida’s statute is built around cash and readily-valued property rather than a separate income line at all.

Minor Ward — Typical Formula (California)

Worked Example

Given$150,000 personal property, $0 anticipated income

$150,000 + $0

Bond Amount$150,000 bond (corporate surety)

Given$150,000 personal property, $0 anticipated income

$150,000 + $0

Bond Amount$150,000 bond (corporate surety)

Cal. Prob. Code § 2320 — doubles to $300,000 if bonded through personal (individual) sureties instead of an admitted surety.

Adult Ward — Typical Formula (California)

Worked Example

Given$300,000 property + $42,000 income & benefits

$300,000 + $30,000 + $12,000

Bond Amount$342,000 bond (corporate surety)

Given$300,000 property + $42,000 income & benefits

$300,000 + $30,000 + $12,000

Bond Amount$342,000 bond (corporate surety)

Cal. Prob. Code § 2320 — California explicitly folds public benefit payments (including SSDI-type income) into the formula.

Full statute text: Cal. Prob. Code § 2320 · Tex. Est. Code ch. 1105 (§§ 1105.101, 1105.151, 1105.154) · Fla. Stat. § 744.351

Same Facts, Three States: How the Adult-Ward Bond Formula Diverges

$300,000 liquid assets · $30,000/yr SSDI · $12,000/yr pension — verified against each state's guardianship bond statute

State	Formula Basis	Social Security Counted?	Resulting Bond	Statute
California	Personal property + annual income + public benefit payments	Yes — included	$342,000	Cal. Prob. Code § 2320
Texas	Personal property + anticipated 12-month income (interest, dividends, rents)	No — expressly excluded	$312,000	Tex. Est. Code § 1105.154
Florida	Cash on hand/deposit + readily fixed-value intangible personal property	Not a separate line item	$300,000+ (principal-driven)	Fla. Stat. § 744.351

Figures are illustrative math applying each state's own statutory formula to identical facts, not a carrier quote. Real bonds also reflect real property, court-ordered adjustments, and surety-type multipliers where applicable.

Statute text verified against California Legislative Information, Texas Statutes (statutes.capitol.texas.gov), and the Florida Legislature's Online Sunshine, August 2026.

The $30,000 gap between the California and Texas results on identical facts isn’t a rounding difference — it’s a direct consequence of one clause. Texas Estates Code § 1105.154 lists the income sources that count toward a guardian’s bond (interest, dividends, collectible claims, installment payments, and rents) and explicitly carves out Social Security. California Probate Code § 2320 does the opposite, adding “the probable annual gross payments…from” welfare and public benefit programs directly into the formula. If your ward’s only income is SSDI or SSI, which state you’re filing in changes the required bond by tens of thousands of dollars on an otherwise identical estate.

Mississippi splits the person-vs-property line even more explicitly than California, Texas, or Florida do. Since its 2020 GAP Act took effect, a Mississippi guardian holds authority only over the ward’s person — custody, medical, and living decisions — while a conservator holds authority over the ward’s property, and it’s the conservator role that actually carries the bond under Miss. Code Ann. § 93-20-416, priced at the estate’s capital value plus one year’s estimated income. See our Mississippi probate bond guide for the full GAP Act conservator formula and how it runs alongside the older, unrelated executor-bond statute that still governs Mississippi estates.

The 18th Birthday Problem

A minor’s guardianship terminates by operation of law — no petition required — the moment the ward turns 18. California Probate Code § 1600 states the guardianship “terminates when the ward attains majority,” and Texas Estates Code § 1202.001 does the same for guardianship of the person. An incapacitated adult’s guardianship has no equivalent trigger: it continues until the court restores the ward’s capacity or the ward dies.

Minor guardianship closes automatically

Termination doesn’t mean the bond disappears the same day. Texas Estates Code § 1204.001 still requires the guardian to file a final settlement and accounting before the estate closes and the guardian is discharged — and the bond remains exposed to claims from that final accounting period until the court signs off. Cancel the bond too early and there’s a coverage gap on exactly the period a judge is most likely to scrutinize.

Adult guardianship has no built-in exit

Without a fixed horizon, carriers price the renewal risk differently — premiums are quoted annually and re-underwritten periodically rather than priced once against a known end date. A guardian serving a ward with a permanent condition should expect to renew this bond every year for the rest of the ward’s life, with the court able to reduce the bond on motion as assets are spent down or income changes.

The gap families miss: if a minor with a permanent disability turns 18 and still can’t manage their own affairs, the minor guardianship doesn’t convert — it simply ends under Cal. Prob. Code § 1600 or Tex. Est. Code § 1202.001, regardless of the ward’s actual capacity. A brand-new adult guardianship or conservatorship petition, with a brand-new bond, has to be filed before that birthday to avoid a period with no one legally authorized to manage the ward’s money.

Already know the ward is a minor or an incapacitated adult? Skip straight to a quote — we ask the right underwriting questions for that specific case.

Get Your Quote

When a Blocked Account Beats a Surety Bond

All three states let a court reduce or replace the bond when the ward’s funds are locked in a restricted account — no withdrawal without a signed court order. The mechanism is available to both minor and adult guardianships, and none of the three make it automatic.

California — discretionary exclusion or reduction

Under Cal. Prob. Code § 2328, when property is deposited with a trust company or an insured financial institution and a receipt is filed confirming the funds can’t be withdrawn without court authorization, the court “may” exclude that property from the bond calculation entirely, or reduce an existing bond to a “reasonable” amount. It’s the court’s call either way — not a guardian’s right.

Texas — management trust exclusion + deposit reduction

Tex. Est. Code § 1105.154(b) removes assets placed in a Chapter 1301 management trust from the bond calculation outright. Separately, the same section lets the judge reduce the bond proportionally for cash or securities the guardian deposits under court order — two distinct paths to the same result, both requiring a judge’s sign-off.

Florida — restricted depository in lieu of bond

Fla. Stat. § 744.351 lets the court order the guardian to place estate funds in a designated financial institution under the conditions set out in Fla. Stat. § 69.031, “in lieu of a bond or in addition to a lesser bond” — explicit statutory language for a full substitution, not just a discount.

Official Florida Requirements

"The court may order that the guardian place all or part of the property in a designated financial institution under the same conditions as contained in s. 69.031, in lieu of a bond or in addition to a lesser bond."

Florida Statutes • Florida Statutes § 744.351

What This Actually Costs Over Time

Guardianship bond premiums typically run 0.5%–1.5% of the penal sum annually for standard credit — the same fiduciary-bond rate band that applies to executor, administrator, and trustee bonds. Family guardians with credit below 600 should expect 2%–5% instead, per our guardianship bond overview. Duration, not the annual rate itself, is what separates the two bonds financially.

Minor ward, age 8 at filing

~$750–$1,500/yr

on a $150,000 bond at 0.5%–1% — renews for roughly 10 years until the ward turns 18

Lifetime premium: roughly $7,500–$15,000 across the guardianship, assuming a flat bond amount.

Adult ward, age 45 at filing

~$1,710–$3,420/yr

on a $342,000 bond at 0.5%–1% — renews indefinitely, with no statutory end date

A guardianship running 15+ years can exceed $25,000–$50,000 in cumulative premium, even before accounting for bond-amount increases as assets or income grow.

Illustrative math using the mid-range fiduciary-bond rate band described on our probate bond cost by state guide, applied to the worked penal-sum examples above. Actual premium depends on the applicant’s credit, the surety’s underwriting guidelines, and any court-ordered bond reductions as the estate is spent down.

Frequently Asked Questions

Does a guardianship bond for a minor really end the day the ward turns 18?

The guardianship itself terminates automatically by operation of law when the ward reaches majority — California Probate Code § 1600 and Texas Estates Code § 1202.001 both say so without requiring a petition. But the bond is not automatically released that same day. Texas Estates Code § 1204.001 requires the guardian to file a final settlement and accounting before the guardianship of the estate closes, and the bond stays legally exposed to claims arising from the guardian's conduct until the court signs off on that discharge. Don't let the surety lapse the day before the 18th birthday — claims can still be filed against a bond covering the final accounting period.

Why does an incapacitated adult's bond usually cost more per year than a minor's bond on an identical estate size?

Because the penal-sum formula in all three states folds a year of anticipated income on top of the principal — California Probate Code § 2320 adds "the probable annual gross income of all of the property of the estate," and Texas Estates Code § 1105.154 adds the ward's anticipated 12-month income from interest, dividends, and rentals. A minor sitting on an inherited lump sum in a bank account usually generates minimal income, so the bond is close to the principal alone. An incapacitated adult more often has an active income stream — Social Security disability, a pension, investment income — which pushes the bond, and the premium, above the equivalent minor’s bond even when both estates hold the same liquid assets. Carriers also price the open-ended duration of an adult case higher than a bond with a known exit date.

Can a blocked or restricted account eliminate the bond entirely, or does it just shrink it?

It depends on the state, and none of the three guarantee full elimination. California Probate Code § 2328 lets the court exclude deposited property from the bond calculation or reduce the bond — discretionary, not automatic. Texas Estates Code § 1105.154(b) excludes assets placed in a Chapter 1301 management trust from the bond calculation and lets the judge reduce the bond proportionally for cash or securities deposited under court order. Florida Statutes § 744.351 lets the court order funds into a restricted depository under the conditions in § 69.031 “in lieu of a bond or in addition to a lesser bond.” In every case the funds must be genuinely locked — no withdrawal without a signed court order — and the court retains discretion over how much bond, if any, the blocked account replaces.

Do these formulas apply to guardians of the person, or only guardians of the estate?

Only guardians of the estate — the ones who control the ward's money and property. Texas Estates Code § 1105.101 is explicit: bond is generally required for a guardian of either the person or the estate, but the court cannot waive it for a guardian of the estate even when a surviving parent's will directs otherwise, while a guardian of the person alone can serve bond-free under a parental declaration. California and Florida run the same split in practice — the penal-sum math in Cal. Prob. Code § 2320 and Fla. Stat. § 744.351 only attaches once someone is managing the ward's property. A guardian who handles only medical and living decisions, with no access to funds, typically posts no bond at all.

What happens if a minor's guardian needs to keep serving because the ward stays incapacitated past 18?

A brand-new adult guardianship or conservatorship proceeding — the minor guardianship does not roll over. Because Cal. Prob. Code § 1600 and Tex. Est. Code § 1202.001/§ 1204.001 terminate the minor guardianship automatically at 18 regardless of the ward's actual capacity, families of a minor with a developmental disability or permanent incapacity need to petition for adult guardianship before the 18th birthday. Miss that window and there's a real gap: no one has legal authority over the now-adult ward's finances until a new petition is filed, a new bond is underwritten, and new letters of guardianship issue.

Does Social Security income count toward the bond amount?

It depends on the state, and this is one of the sharpest differences between the three. Texas Estates Code § 1105.154 explicitly excludes Social Security from the anticipated-income figure added to the bond. California Probate Code § 2320 does the opposite — it explicitly adds "the probable annual gross payments…from" public welfare and benefit programs to the bond calculation. On an identical adult ward with $20,000–$30,000 a year in SSDI, that single statutory choice can move the required bond by tens of thousands of dollars between the two states. Florida’s § 744.351 formula, by contrast, is written around cash on hand and readily-valued intangible property rather than a separate income line item at all.

Ready to Bond a Guardianship?

Tell us whether the ward is a minor or an incapacitated adult and we’ll route you to the right underwriting path — family guardians with limited credit history welcome.