COI Add-Ons MN General Contractors Are Demanding in 2026 (And Why)
- Gerald Burns
- Jun 8
- 8 min read
MN general contractors are demanding more on Certificates of Insurance than they used to. Standard add-ons that were once "nice to have" are now non-negotiable on most commercial jobs.
The four most-requested add-ons in 2026: Additional Insured (AI), Waiver of Subrogation, Primary and Non-Contributory (PNC) wording, and Per-Project Aggregate.
Each one shifts liability and claim payment differently. None of them are "just paperwork."
Most can be added to your GL and Commercial Auto policies at small or no additional premium — but you need to know which to ask for and which your carrier will actually issue.
A subcontractor who can deliver a properly-endorsed COI within 24 hours of a job invitation is a sub who wins more contracts.
The call I'm getting from MN subcontractors in 2026 is the same call every week: "The GC says I need additional insured plus waiver of subrogation plus primary and non-contributory plus per-project aggregate, and they won't let me start the job without it. What does this all mean, and can my policy do it?"
The list of COI add-ons GCs demand has gotten longer over the last few years. This post walks through the four that matter most, the ones starting to show up next, why GCs are demanding more, and what to do BEFORE the next job invitation hits your inbox.
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1. What a COI actually is — quick refresh
A Certificate of Insurance (COI) is proof that you have an active insurance policy with specific coverages and limits. It's not the policy itself — it's a one-page summary document of what's inside the policy.
The GC needs the COI to:
Verify you actually have insurance
See your coverage limits
Confirm the specific endorsements they require
Maintain a paper trail for risk transfer
Get themselves added as a protected party (via the Additional Insured endorsement)
If you don't have a current, properly-endorsed COI when the GC asks, you don't start the job. Full stop.
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2. The Big Four COI add-ons MN GCs are requiring
These four come up on almost every commercial job in MN in 2026:
A. Additional Insured (AI) endorsement
Adds the GC as a protected party on YOUR General Liability policy. If something happens on the job and someone sues both you and the GC, your policy defends both of you. Two main forms:
CG 20 10 — Owners, Lessees, or Contractors — Scheduled Person or Organization
CG 20 33 — Automatic Status — Subcontractor's Work
CG 20 10 names a specific GC; CG 20 33 automatically covers any GC you work under. Most carriers can issue either. Cost: usually a small or no additional premium.
B. Waiver of Subrogation
Subrogation is when your insurance carrier — after paying a claim — turns around and sues a third party (like the GC) to recover what they paid. In construction, this creates messy cross-carrier disputes. The Waiver of Subrogation endorsement makes your carrier give up that right against the GC, eliminating the cross-suing problem. Cost: usually a small or no additional premium.
C. Primary and Non-Contributory (PNC) wording
When both your policy and the GC's policy could respond to a claim, this wording requires YOUR coverage to pay first AND in full — the GC's policy becomes "excess" and only kicks in after yours is exhausted. Without PNC, the carriers fight over who pays first, often leaving you in the middle. Cost: typically a modest additional premium.
D. Per-Project Aggregate
Standard commercial GL policies have one combined aggregate limit covering all claims in the policy year (commonly $2M total). Per-project aggregate gives each job its own separate aggregate. If you have a major claim on one project, your protection on every other ongoing project stays intact. Cost: a modest additional premium, often worthwhile for subs running multiple commercial jobs.
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3. Other endorsements MN GCs are starting to demand
Showing up more frequently in 2026:
30-day notice of cancellation / non-renewal to the certificate holder
Specific limit requirements — many GCs now require $2M per occurrence / $4M aggregate, plus a $5M Commercial Umbrella on larger projects
Completed Operations specifically named on the COI
Pollution Liability for trades that touch anything environmental (HVAC, paint, fuel handling)
Professional Liability (E&O) for design-build or design-assist subs
Tools & Equipment floater (Inland Marine) listed for equipment-heavy trades
Workers' Compensation policy listed with limits
If you see any of these on a GC's requirements list, that's a serious commercial GC. Treat the project accordingly.
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Did You Know
The "primary and non-contributory" wording grew out of construction industry disputes in the late 1990s, when insurance carriers began adding "other insurance" clauses that allowed them to share claim costs with the GC's policy. Construction risk managers responded by demanding the "primary" wording specifically to require the subcontractor's insurance to pay first, eliminating the contribution dispute entirely. By 2010 it was standard on most commercial construction contracts. By 2026 it's standard on most residential subcontracts too.
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4. Why MN GCs are demanding more in 2026
Three converging forces are driving this:
1. Construction litigation in MN is climbing. Slip-and-falls on job sites, tenant and visitor injuries during construction, post-completion defect claims, and OSHA-related disputes have all increased. Every one of those involves multi-party defense — GCs want clearer risk transfer to the responsible sub.
2. Commercial insurance market hardening. Carriers are raising premiums and tightening underwriting across the board. GCs' own commercial GL costs are climbing, and they push protection downstream to subs to keep their own profile clean.
3. Big-project requirements trickling down. Coverage and endorsement requirements that started on $50M+ commercial projects have become the default on smaller commercial jobs and even on larger residential builds. "Industry standard" has shifted.
What was extraordinary five years ago is now the floor.
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5. What happens when you can't deliver a properly-endorsed COI
Realistic outcomes I've seen with MN subs who couldn't deliver:
Lose the contract. GC moves on to a sub who CAN deliver the required COI on schedule.
Delayed job start. GC refuses to let you on the site until the COI is updated — often at a cost of days or weeks.
Mid-project payment hold. GC discovers a COI gap mid-job and freezes your payments until you fix it.
Lawsuit naming. When a claim happens and you didn't have the AI endorsement, your coverage doesn't defend the GC — and the GC sues you directly for not protecting them.
The financial cost of adding the required endorsements is usually small. The cost of NOT having them when a GC asks is lost contracts, delayed payments, and reputation damage that follows you through the MN commercial trades network.
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Want me to look at your current GL policy and tell you which COI add-ons you can already issue vs. which ones you'd need to add? Send me your declarations page and a sample GC requirements list. I'll match them up and tell you what's missing. No obligation. Call (763) 582-1888 or request a review at https://www.cityinsurancemn.com/contact. Licensed in MN, AR, WI, TX, NC, FL.
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6. How carriers handle COI add-ons — the variable that matters
Not all commercial carriers handle COI requests the same way. This matters more than most subs realize.
Fast-issuing carriers:
Online COI portals — immediate issuance
Pre-loaded standard add-ons (AI, Waiver of Subro, PNC) ready to apply
24-hour turnaround on customized COI requests
Direct agent access for quick adjustments
Slow-issuing carriers:
Email-only request systems
3 to 7 business day turnaround
Standard add-ons may require underwriting approval each time
Limited customization without re-quoting
In MN's commercial construction market, having a fast-issuing carrier has become a real competitive advantage. A sub who can deliver a properly-endorsed COI within 24 hours of being asked wins jobs over subs who can't — even when the slower sub had a slightly lower bid.
When you shop your commercial GL, ask the question directly: "How fast does your carrier issue COIs with custom endorsements?" The answer matters more than 5–10% premium differences.
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7. The pre-emptive setup every MN subcontractor should have
Don't wait until the GC asks. Set this up now:
Talk to your agent about standard add-ons available on your current GL policy. Find out what's already on it and what would need to be added.
Get a blanket Additional Insured form (CG 20 38 or similar) added if available — covers all current and future GCs without re-issuing the COI each time.
Add Waiver of Subrogation and Primary/Non-Contributory by endorsement, if not already on the policy.
Confirm your GL limits meet typical MN GC requirements — $1M/$2M is the floor for residential subs; $2M/$4M is becoming the floor for commercial work; bigger commercial projects expect $5M+ via Umbrella.
Know your carrier's COI turnaround time. If it's more than 48 hours, you're at a competitive disadvantage.
Save your agent's email, phone, and after-hours contact in your contractor contacts — and label it clearly so you can text it from a job site at 4 PM on a Friday.
If you can deliver a fully-endorsed COI within 24 hours of being asked, you're already in the top half of MN subs.
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Did You Know
The two most common Additional Insured forms in commercial construction are ISO CG 20 10 (Owners, Lessees, or Contractors — Scheduled Person or Organization) and CG 20 33 (Automatic Status When Required in Construction Agreement). CG 20 10 lists specific named GCs you're working under. CG 20 33 automatically covers any GC where you're contractually required to provide additional insured status. CG 20 33 is more flexible and is increasingly the form MN GCs request by name.
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8. Q&A: What MN subcontractors ask me most about COI add-ons
Q: My GC wants $5M aggregate. I only have $2M. What now?
A: Three options. (1) Buy higher GL limits — modest premium increase. (2) Add a Commercial Umbrella to bring effective limits to $5M+ — typically a modest additional annual premium and gives you flexibility for future jobs. (3) Lose the contract. Most subs who get a $5M requirement once start carrying that limit going forward, because it'll come up again.
Q: My carrier won't add Primary and Non-Contributory wording. Can I still work the job?
A: Maybe, but it depends how strict the GC is. Some accept the standard ISO Additional Insured endorsement without specific PNC language. Others require PNC explicitly. The cleanest path: shop carriers that issue PNC easily. The carriers willing to issue it are usually pricing competitively for contractor business.
Q: I have AR projects too. Will my MN-based GL cover me there?
A: Yes, in almost all cases. Commercial GL is typically written "anywhere in the U.S. and its territories." But the GC may want a COI reissued with AR jurisdiction language. Confirm with your agent that your policy can be reissued with state-specific language if requested.
Q: What's "per project aggregate" and do I really need it?
A: Standard commercial GL has ONE combined aggregate limit for all claims in a policy year (commonly $2M). Per-project aggregate gives each job its own separate aggregate. If you're running 5 commercial projects at once, a major claim on one project won't exhaust your protection on the other four. For MN subs with multiple simultaneous commercial jobs, it's increasingly worth the small additional premium.
Q: My GC wants my Workers' Comp policy listed on the COI. Why?
A: Standard practice now. The GC wants assurance that if your employee is injured on the job site, your Workers' Comp policy pays — not theirs. Listing WC on the COI confirms you have it and shows the limits. If you're a MN sole proprietor without WC, this is the moment you start that conversation — many MN GCs now require it from sole proprietors too as a condition of work.
Q: How fast can my agent actually issue a COI?
A: Depends on the carrier. Modern commercial carriers with online COI portals — often within hours, sometimes within minutes. Older carriers using email-only systems — 1 to 3 business days. Ask your agent NOW about turnaround time. Don't wait until a GC is breathing down your neck on a Tuesday afternoon to find out.
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About City Insurance MN. City Insurance & Financial Service Inc. is an independent insurance agency based in Plymouth, MN, licensed in MN, AR, WI, TX, NC, and FL. Agent Gerald Burns writes contractor GL, commercial auto, and Workers' Comp coverage for MN subcontractors across all trades — and works with fast-issuing carriers that handle COI add-ons in hours, not days. Call (763) 582-1888 or visit https://www.cityinsurancemn.com to review your current GL or get a quote.
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