An indemnity bond typically costs 1% to 3% of the bond amount per year for applicants with good credit, and 8% to 15% or more when credit is poor or the bond carries unusual risk. On a $100,000 bond, that works out to roughly $1,000 to $3,000 annually at standard rates, and several times that at the high-risk end. The premium is only part of the picture though. Some bond types also require collateral, which can tie up capital equal to the full bond amount for as long as the underlying obligation lasts.
What Drives the Rate You’re Quoted
Surety companies price bonds around one question: how likely is this principal to cost us money? A bond is not insurance. If the surety pays a claim on your behalf, you owe every dollar back plus legal costs under the indemnity agreement you signed. That reimbursement right is why the surety cares so much about your credit and financial condition.
Credit Score
Your personal credit score is the starting point. A score of 700 or above signals low risk and puts you in the best pricing tier. Scores below 600 push you into high-risk pricing where rates multiply. For business bonds, underwriters also look at corporate financial statements, particularly liquidity, working capital, and debt-to-equity ratios. Strong financials can partially offset a middling personal score.
Bond Penalty Amount
The bond penalty is the maximum the surety could be forced to pay. A $500,000 bond exposes the surety to ten times the loss of a $50,000 bond, so the dollar premium scales with the penalty even when the percentage rate stays the same.
Type of Obligation
Not every bond carries the same baseline risk. A bond guaranteeing an excise tax payment is predictable and safe. A bond guaranteeing completion of a multi-year construction project is volatile. Judicial bonds, especially appeal bonds, sit at the top of the risk spectrum because a court has already established a financial loss. The surety’s historical claims data for each category shapes pricing before your individual file is even opened.
Claims History
A prior claim on any bond you’ve held is a red flag, even one resolved in your favor. Multiple claims or an unresolved claim can push you into the highest pricing tier or lead to outright denial.
Typical Premium Tiers
The math is simple: your assessed rate multiplied by the bond penalty equals your annual premium. A 2% rate on a $100,000 bond produces a $2,000 annual premium. What varies is the rate itself. Most sureties use a tiered structure:
- Preferred tier (credit score roughly 700 and above): 1% to 3% of the bond amount, sometimes below 1% for the strongest applicants.
- Standard tier: 3% to 5%, typical for decent but not outstanding credit or financials with some weakness.
- High-risk tier (poor credit, prior claims, or thin financials): 8% to 15%, and higher still at the extreme end. Some sureties simply decline these applications.
Minimums, Taxes, and Filing Fees
Every surety sets a minimum premium, typically $100 or more, that applies regardless of the percentage calculation. On small bonds, the minimum replaces the percentage entirely. A 1% rate on a $5,000 bond calculates to $50, but you’ll pay the minimum instead. For bonds under roughly $10,000 to $15,000, expect the minimum premium to be your actual cost.
Many states levy a premium tax on surety bonds, generally 1.5% to 2% of the premium, which the surety passes through to you. On a $2,000 premium, that adds $30 to $40. State agencies and courts may also charge filing or recording fees when the bond is submitted, usually under $100. Neither cost is large alone, but they accumulate over a multi-year bond obligation.
When Collateral Enters the Picture
For high-risk bonds, the annual premium is not your only outlay. The surety may require collateral, usually cash, marketable securities, or a letter of credit, deposited in an escrow account before the bond issues. Collateral directly reduces the surety’s exposure if you default.
Requirements vary widely. Moderate-risk bonds might require 25% to 50% of the bond penalty in collateral. The highest-risk bonds, particularly appeal bonds and large commercial obligations, routinely require collateral equal to the full bond amount. A $1 million appeal bond with 100% collateral means parking $1 million with the surety on top of paying the annual premium.
That capital stays locked up until the underlying obligation is fully satisfied and the obligee formally releases the surety. For an appeal bond, that can mean years while the appellate process plays out. The opportunity cost of tied-up capital is real money that doesn’t show up on the premium invoice.
Cost by Bond Type
Lost Instrument Bonds
Issued when you need to replace a lost stock certificate, cashier’s check, or similar document, these are among the cheapest bonds to obtain. Rates run 1% to 2% of the instrument’s face value with minimums around $100. Collateral is rare unless the face value is unusually large.
Probate and Fiduciary Bonds
Courts require these from executors, administrators, guardians, and conservators. Because the principal operates under court supervision, risk is moderate. Premiums typically run 0.5% to 1% of the estate or asset value for qualified applicants with good credit. Poor credit can push the rate to 2% to 5%. The bond amount is usually set by the court based on the assets under management.
Appeal Bonds (Supersedeas Bonds)
These are the most expensive indemnity bonds. A court has already ruled against you and set a dollar amount you owe, and appeals fail more often than they succeed. Rates generally run 0.3% to 4% of the bond amount, but the collateral requirement is where the real cost lives. Full collateral equal to the bond amount is standard practice. Some sureties will consider issuing an appeal bond without collateral if the appellant’s financial strength substantially exceeds the judgment, but those situations are the exception.
Attachment Bonds
These allow a plaintiff to seize a defendant’s assets before final judgment. Because the plaintiff is asking for an extraordinary remedy with real downside risk if the seizure is later found wrongful, sureties treat these as high-risk. Collateral of 50% to 100% is typical, with premium rates similar to other judicial bonds.
How to Pay Less
Bond pricing is not fixed. Several practical steps can meaningfully reduce what you pay.
Pull your credit reports from all three bureaus before you apply and dispute any errors. Debts already paid, accounts that aren’t yours, and outdated balances are common issues that artificially depress your score. Fixing them before the surety pulls your credit can shift you into a lower tier.
If your bond need isn’t urgent, spend six months to a year paying down revolving debt, making every payment on time, and avoiding new credit applications. Score improvement over that window can save you thousands annually on premiums.
For business bonds, submit clean and well-organized financial statements. Solid liquidity and working capital ratios reassure underwriters. If your ratios are weak, consider refinancing short-term debt into long-term obligations or liquidating unnecessary assets before applying.
Ask about multi-year terms. Some sureties offer discounts of 15% to 30% when you commit to a two- or three-year term instead of renewing annually. Not every bond type qualifies.
A co-signer with stronger credit can also lower your rate, because the surety may average the credit profiles. The co-signer takes on real liability, so this isn’t a favor to ask lightly.
Get quotes from three or four sureties. Pricing varies across companies, and some specialize in particular bond types or risk profiles.
Renewals and Cancellations
Many indemnity bonds are not one-time expenses. Continuous bonds renew automatically each year until canceled, and you’ll pay a renewal premium each cycle. Your rate is not locked in. Improved credit or a clean claims history can drop it. Financial setbacks, new claims, or broader shifts in industry risk can raise it. Treating your bond premium as a fixed cost is a budgeting mistake.
Getting a refund on a canceled bond is difficult. Most sureties consider the premium fully earned for the first term, usually one year. Mid-term cancellation rarely produces a refund unless you never submitted the bond to the obligee and can return the original. After the first term, if you’ve already paid for a renewal period and cancel partway through, some sureties will issue a pro-rata refund. Others use a short-rate calculation that keeps a larger share as a penalty. Many bond agreements also include a minimum earned premium that sets a floor on what the surety keeps regardless of timing.
The SBA Option for Small Contractors
Small businesses that can’t qualify for surety bonds on their own may be able to use the SBA’s Surety Bond Guarantee Program. The SBA doesn’t issue bonds directly but guarantees a portion of the surety’s losses, which encourages surety companies to write bonds for businesses they would otherwise decline.
The program covers bid, performance, payment, and ancillary bonds for contracts up to $9 million on non-federal work and up to $14 million on federal contracts where a contracting officer certifies the guarantee is necessary. The SBA typically guarantees 80% of the surety’s losses, rising to 90% for contracts up to $100,000 and for businesses owned by veterans, service-disabled veterans, and socially or economically disadvantaged individuals. Your cost is a guarantee fee of 0.6% of the contract price, on top of whatever premium the surety charges.1U.S. Small Business Administration. Surety Bonds
The program only covers contract bonds. Commercial, judicial, and fiduciary bonds are not eligible.