How to read a contractor's certificate of insurance
A certificate of insurance (COI) is a one-page summary of a contractor's policies — usually an ACORD 25 form. It lists the insurer, policy numbers, coverage types, limits, and expiration dates. It is evidence that coverage existed on the date it was issued; it is not the policy itself and it does not guarantee the policy is still in force today.
Last updated August 19, 2026
The fields that actually matter
- Insured
- The legal business name covered by the policy. It should match the business you are hiring — not a parent company, a personal name, or a different DBA.
- Insurer / carrier
- The company that issued the policy. You can confirm a carrier is licensed in your state through your state's department of insurance.
- Policy number and policy period
- The effective and expiration dates define the window of coverage. A certificate issued last year tells you nothing about today.
- Commercial general liability
- Covers third-party bodily injury and property damage. Certificates typically show both a per-occurrence limit and a general aggregate limit for the whole policy period.
- Workers' compensation
- Covers injuries to the contractor's employees. Requirements vary by state and by employee count; a sole proprietor may be legally exempt.
- Commercial auto
- Covers vehicles used for the business. Relevant when work involves hauling, towing, or parking equipment at your property.
- Certificate holder
- Who the certificate was issued to. This is informational; being listed as certificate holder does not give you rights under the policy.
- Additional insured
- A policy endorsement that extends certain protections to another party. A checkbox on a certificate does not create it — the endorsement itself does.
How to confirm a certificate is real and current
- Ask for the certificate to be sent directly from the insurance agency named on it, not forwarded as a scan.
- Check the expiration date against the dates your work is scheduled — including any likely delay.
- Confirm the insured name matches the entity named on your contract and invoice.
- Call the agent or carrier listed on the form to confirm the policy is in force. The producer's phone number is on the certificate.
- If your job warrants it, ask to be added as an additional insured and request a copy of the endorsement, not just an updated checkbox.
Common red flags
- The insured name does not match the business you are hiring.
- The policy period has already ended, or ends before your project would finish.
- No producer contact details, or a contact number that goes to the contractor rather than an agency.
- Refusal to have the agency send the certificate directly.
- Handwritten edits, mismatched fonts, or a form that will not open as a clean PDF.
How Kuldesac uses certificates
Every published Kuldesac business submits a certificate of insurance during verification. Our team reviews the carrier, policy identifier, and expiration date, and the expiration is tracked so a lapse gets flagged. We do not ask to be named as an additional insured, and we do not evaluate whether the limits are right for your particular job — that judgment stays with you.
Is a certificate proof I am covered?
No. It is proof a policy existed when the certificate was issued. It does not name you as a beneficiary unless a separate additional-insured endorsement says so.
What limits should I ask for?
It depends on the size and risk of the work, and there is no universal number. Compare the per-occurrence limit against the realistic worst-case damage to your property, and ask the contractor's agent what is standard for that trade in your state.
The contractor is a sole proprietor with no workers' comp. Is that legal?
Often yes — many states exempt owners with no employees. Confirm the rule with your state's workers' compensation agency, and understand who is responsible if someone is injured on your property.