Certificate of insurance for a one-day event
You get one of two ways. If your business already carries general liability, your agent issues a certificate from that policy with the event organizer or venue as holder, plus an additional insured endorsement if they ask for one. If you have no policy, you buy a one-day special event policy and the certificate comes with it; Insureon reports its customers pay $182 to $278 for one day. Either way, the event's written requirement decides what the certificate has to show, and some set a deadline days before the event; Salt Lake City's is 14 days.
Updated . Written by Andre Beukers, principal at Redoubt, a commercial insurance agency in Salt Lake City, not a government office.
How do I get a certificate of insurance for a one-day event?
Start with whether your business already has a general liability policy. If it does, and the event is the kind of work the policy describes, the event organizer, market, or venue can be named as the certificate holder. The certificate itself changes nothing on the policy: ACORD 25 states that it "confers no rights upon the certificate holder." So naming a holder is a matter of typing their name and address in the holder box, which the agency that issues your certificates does.
If the organizer wants to be an additional insured, the policy has to say so, not just the certificate. ACORD 25, the standard liability certificate, warns that an additional insured needs the policy to "have ADDITIONAL INSURED provisions or be endorsed." Whether that takes minutes or days depends on the form. An agent writing in Insurance Journal explained that with a blanket additional insured endorsement, agencies "can often send out these endorsements without requesting permission from the insurance carriers". With a scheduled form naming one party, ask your agent whether the carrier has to approve it first.
If your business has no policy, or the event is outside what your policy covers, a one-day special event policy is the other route. The Event Helper, which sells event liability online to event holders and says vendors may need it too, says purchasing "takes only minutes" and that buyers download or email their certificates once the policy is bought. Insureon notes that vendors buy short-term event coverage too, and that depending on the venue they may need to show a certificate.
How much is event insurance for one day?
Insureon, a broker, reports two figures for its own customers, both on pages dated April 6, 2026: its special event page says they "pay an average of $182 for one day of coverage," and its cost page says $278 for one-day coverage, with 2 to 10 days averaging $250. The cost page says its figures are medians of policies sold to Insureon's customers. These are one seller's numbers, not a market price.
Insureon's cost page shows its food and beverage customers paying an average of $899 for event coverage, against $183 for construction contractors and $282 for advertising agencies. The factors Insureon lists include the type of event, its duration, the venue, the number of people attending, and coverage options such as liquor liability.
The Event Helper, which sells event liability online, publishes its own starting points: from $66 for a small wedding, around $125 for a trade show expecting 250 people, and around $400 for a concert expecting 2,500. Those are its prices for its policies, not a market average, and its standard policy does not cover injuries to athletic participants, performers, volunteers, or employees.
How much does one-day business insurance cost compared with a year?
Insureon says its customers pay an average of $45 a month for general liability insurance (page dated March 30, 2026), and $278 for one day of special event coverage (page dated April 6, 2026).
Set those two figures side by side for your own calendar: the number of events you work in a year, times the one-day price, against twelve months of an annual policy that also covers the rest of your work. Your own quotes will differ from both averages. Insureon, which sells both, writes that one-day and seasonal policies "provide savings in the short term," but "most small businesses benefit from investing in continuous coverage."
If you go the annual route and events will ask to be additional insureds, ask whether the quote includes a blanket additional insured endorsement. With one, agencies "can often send out these endorsements without requesting permission from the insurance carriers," in the words of the Insurance Journal article above.
What does a venue or city ask a one-day event certificate to show?
Whatever its written requirement says, and the requirement is the document to send your agent. Salt Lake City's special event permit instructions are a good example of a full one. They ask for $1,000,000 per occurrence and $2,000,000 aggregate; coverage dated "from set up to clean up," not just the event hours; "Special Event" written in the Description of Operations with the event name, date, and location; the applicant, the City, and any other public entity involved named as additional insureds; and a carrier rated A- or better by A.M. Best or on the Treasury's surety list. Subcontractors working the event must carry special event commercial general liability insurance in the same minimum amounts, with the City as additional insured.
A farmers market's requirement can be shorter. EatLoco, which runs markets in Northern Virginia, asks for at least $1 million of general liability, an unexpired policy, its exact name and address "as an Additional Insured (or Certificate Holder)," and a business name that matches the vendor application, DBA included. When a requirement says "or certificate holder," ask which one they will accept, because the answer decides whether an endorsement is needed.
- The named insured matches the business name on your vendor or permit application
- The holder's name and address exactly as their requirement prints it
- Policy dates that cover set-up and tear-down, not only the event hours
- The description box: event name, date, location, and any wording they specify
- Additional insured, waiver, or notice wording only if the policy actually carries it
Can the certificate promise the event 30 days' notice of cancellation?
Not by itself. Salt Lake City, for one, asks that coverage not be canceled without 30 days' written notice to the City. The cancellation box on ACORD 25 says only that notice "will be delivered in accordance with the policy provisions," and Utah law says a holder has a right to notice only if the policy or an endorsement gives it; a certificate "may not alter a term or condition of the notice." If the event requires holder notice, ask your agent whether the carrier will issue a notice endorsement, and let the event know early if it will not. Typing the promise onto the certificate does not create it.
When is a one-day event certificate due?
When the holder says, and that can be well before the event. Salt Lake City wants evidence of insurance "no less than (14) days before the event set up date" and cancels the permit if it is late. EatLoco sends vendors an upload link five to six days before their first market. Read the deadline off the requirement the day you get it, not the week of the event. If you are already past it and need the certificate today, the conditions for a same-day certificate are on our same-day certificate of insurance page.
Does my homeowner's or annual policy cover a one-day event I am working?
It depends on the policy and on what the event's requirement asks for. Send your agent the event's requirement and ask whether your current policy fits before buying a separate one.
Does a one-day event policy include liquor liability?
Check the policy. The Event Helper says host liquor liability is often included in its event liability policies. Insureon draws the line at selling: if your business is not profiting from alcohol sales, the host liquor coverage in a general liability policy may be enough; if it is, ask for liquor liability coverage. The event's requirement will say which it wants.
Who is the certificate holder for a one-day event?
Whoever asked for the certificate, such as the venue, the market organizer, or the city issuing the permit. EatLoco, for one, prints the exact name and address it wants; copy it from the written requirement rather than from memory.
Where these answers come from
Each entry carries the exact words of the source so you can check it yourself. Forms and statutes change; read the current version before acting.
- 1. Insureon, Special event insurance, cost section
“Special event insurance is an affordable, short-term policy that you pay for upfront. Insureon's customers pay an average of $182 for one day of coverage”
insureon.com, accessed October 3, 2026. A broker's statement about what its own customers pay. - 2. Insureon, Special event insurance cost (updated April 6, 2026)
“Insureon's small business customers pay an average of $278 for one-day special event insurance coverage, while a policy duration of 2 to 10 days has an average cost of $250.”
insureon.com, accessed October 3, 2026. Figures are medians of policies sold to Insureon's customers, per the same page. - 3. Insureon, Special event insurance cost, by industry
“pay an average of $899 for their coverage compared to construction contractors who pay $183 or advertising agencies that pay $282 for their special event insurance.”
insureon.com, accessed October 3, 2026. The $899 figure is for food and beverage professionals such as caterers and restaurant owners. - 4. Insureon, Special event insurance cost, on continuous coverage
“While these types of coverages provide savings in the short term, most small businesses benefit from investing in continuous coverage.”
insureon.com, accessed October 3, 2026 - 5. Insureon, Special event insurance, who needs it
“Vendors sometimes buy this coverage as well, for short-term protection while they offer their services or products at an event. Depending on the venue, businesses and vendors may need to show a certificate of insurance (COI).”
insureon.com, accessed October 3, 2026 - 6. Insureon, General liability insurance cost
“Small businesses pay an average premium of $45 per month for general liability insurance.”
insureon.com, accessed October 3, 2026. Insureon's figure for its own customers. - 7. The Event Helper (Gaslamp Insurance Services), home page FAQ on event insurance cost
“The total cost for Event Liability Insurance can start at $66 for a small wedding. The cost will go up from there depending on the type and size of the event. A trade show expecting 250 people will cost around $125.”
theeventhelper.com, accessed October 3, 2026. The same FAQ continues: a concert expecting 2,500 people "will cost around $400." - 8. The Event Helper, home page, how purchasing works
“Purchasing our insurance takes only minutes. Get your policy immediately.”
theeventhelper.com, accessed October 3, 2026. Step 3 on the same page: "Download or email your certificates of insurance." - 9. The Event Helper, home page FAQ on who needs event insurance
“Vendors, exhibitors or service providers may also be required to have Event Liability Insurance in order to be at the event.”
theeventhelper.com, accessed October 3, 2026 - 10. The Event Helper, home page FAQ on participant injuries
“The standard Event General Liability policy is not going to cover injuries to any sporting/athletic participants, performers, volunteers, employees or individuals compensated by the insured.”
theeventhelper.com, accessed October 3, 2026 - 11. The Event Helper, home page FAQ on what event insurance is
“Host Liquor liability is often included in Event Liability Insurance should the insured be liable for damage or injury be as a result of alcohol at the event.”
theeventhelper.com, accessed October 3, 2026 - 12. Insureon, Special event insurance, on alcohol at events
“If your business isn't profiting from the sale of alcohol, then the host liquor liability coverage included in your general liability policy may provide sufficient coverage.”
insureon.com, accessed October 3, 2026 - 13. Salt Lake City Corporation, Special Event Permit Instructions, insurance requirements
“Minimum coverage of $1,000,000 per occurrence with a $2,000,000 general aggregate, equaling a total aggregate of $3,000,000.”
slc.gov, accessed October 3, 2026. The same list requires a carrier licensed in Utah and rated A- or better by A.M. Best or on Treasury Circular 570, and subcontractors to carry the same coverage with the City as additional insured. - 14. Salt Lake City Corporation, Special Event Permit Instructions, event time period
“The event time period must be sufficient to cover the entirety of the event from set up to clean up.”
slc.gov, accessed October 3, 2026 - 15. Salt Lake City Corporation, Special Event Permit Instructions, description of operations
“The coverage must be indicated on the certificate of insurance as “Special Event” coverage in the “Description of Operations” or the insurance company must supply the City with the original insurance policy evidencing the “Special Event” coverage. Always include the event name, date, and location in the description block.”
slc.gov, accessed October 3, 2026 - 16. Salt Lake City Corporation, Special Event Permit Instructions, additional insured
“The policy or endorsement must name as an additional insured the applicant, Salt Lake City Corporation and its officers, employees, and agents, and any other public entity involved in the event.”
slc.gov, accessed October 3, 2026 - 17. Salt Lake City Corporation, Special Event Permit Instructions, notice of cancellation
“The certificate and policy must provide that coverage shall not be canceled or modified without providing 30 days prior written notice (10 days in the case of failure to pay premiums) to the City”
slc.gov, accessed October 3, 2026 - 18. Salt Lake City Corporation, Special Event Permit Instructions, insurance deadline
“Evidence of the required insurance must be provided to Salt Lake City no less than (14) days before the event set up date. The event permit will be cancelled if the City does not receive such evidence by that deadline.”
slc.gov, accessed October 3, 2026 - 19. EatLoco Farmers Markets, Vendor certificate of insurance requirements
“EatLoco LLC must be listed as an Additional Insured (or Certificate Holder) as follows:”
eatloco.org, accessed October 3, 2026. The same page: "EatLoco will send you a link automatically to upload your COI about 5-6 days before your first market date" and requires general liability "for at least a 1 Million dollar value." - 20. EatLoco Farmers Markets, Vendor certificate of insurance requirements, insured name
“The name you used when applying with EatLoco must match the insured business on your COI.”
eatloco.org, accessed October 3, 2026 - 21. ACORD 25 (2016/03), Certificate of Liability Insurance, blank form hosted by the New York Department of Financial Services
“THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER.”
dfs.ny.gov, accessed October 3, 2026 - 22. Dwight Kealy, Insurance Journal, 2015-06-15, on blanket versus scheduled additional insured endorsements
“A positive feature of the blanket endorsement is insurance agencies can often send out these endorsements without requesting permission from the insurance carriers. This often makes the blanket endorsements quicker to process.”
insurancejournal.com, accessed October 3, 2026 - 23. ACORD 25 (2016/03), the additional insured and waiver notice
“IMPORTANT: If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must have ADDITIONAL INSURED provisions or be endorsed.”
dfs.ny.gov, accessed October 3, 2026 - 24. ACORD 25 (2016/03), the cancellation box
“SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS.”
dfs.ny.gov, accessed October 3, 2026 - 25. Utah Code 31A-22-1706, Notice of cancellation, nonrenewal, or material change
“The terms and conditions of a notice described in Subsection (1), including the required timing of the notice, is governed by the insurance policy. A certificate of insurance may not alter a term or condition of the notice.”
le.utah.gov, accessed October 3, 2026. Subsection (1): a holder has a right to notice only if the policy, a rider, or an endorsement gives it.
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Send the event's insurance requirement
Text Redoubt the venue's or organizer's requirement and the event date. We will tell you whether a policy you already have can produce the certificate, or what you would need instead.
This is general insurance information, not legal advice or a coverage determination. The policy forms, the endorsements the carrier issues, and the holder’s written requirement control.