Mold is the one peril most policies are written to exclude.
Mold remediation is the job where the exposure and the exclusion are the same thing. A standard general liability policy carries a mold or fungi exclusion, and mold is your entire operation, so the coverage has to be built to put mold back in rather than assumed from a generic contractor policy. On top of that sits a professional exposure: a failed clearance is a claim about your work, not a slip and fall. We are independent and based in Eugene, so we build the program around the work you actually do.
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The industry standard for mold work is ANSI/IICRC S520, which sets the protocol for assessment, containment, removal, and post-remediation verification (IICRC S520). Insurers and expert witnesses treat it as the standard of care, so a job that departs from it is often exactly what a mold claim is built on.
Why the exposure and the exclusion are the same thing
On a water or fire job, mold is a possible complication. On a mold job, it is the entire operation. That is what makes mold remediation different: the peril you are hired to remove is the peril your base general liability policy is written to exclude. A mold or fungi exclusion in the GL means a claim in your core work can be denied unless mold coverage has been deliberately built back in, at a real limit, on a form that actually responds.
The coverages that fit the work
Mold coverage can live as a mold liability policy, a mold endorsement, or a sublimit inside a contractors pollution form, and where it lives decides whether a claim is paid. Professional liability answers for failed clearances and disputed verifications, which general liability never covers. Care, custody, and control responds to damage to the property you contain and remove. Equipment and inland marine covers the negative-air machines, air scrubbers, and HEPA gear. General liability, workers compensation, and commercial auto make up the base.
What it costs, and what moves the number
Mold remediation is priced off payroll, revenue, the share of mold work, and loss history, not a flat rate. As a reference point, restoration general liability commonly runs about $500 to $3,000 a year on its own, and a program that adds $1 million of contractors pollution liability with mold coverage often starts around $3,500 a year for the combined coverage (industry ranges; your number depends on the operation). A heavy mold book reads as higher exposure, and adding professional liability for clearance work adds to the number, but both are small next to a denied mold claim.
Clearances, verification, and the professional exposure
The mold claims that hurt are rarely a bodily injury. They are a post-remediation verification that fails, a clearance test the customer disputes, or a recurrence months later. Each of those is a claim about whether your work met the standard, which is a professional exposure, not a general liability one. Following S520 protects you, and carrying professional liability is what answers when the dispute happens anyway.
Licensing and standards, Oregon first
We are based in Eugene, so Oregon is where we start. Oregon does not license mold work separately, so it runs under your CCB license, bond, and general liability. Some states, Texas among them, license mold assessment and remediation and require the assessor and remediator on a job to be separate parties. If a mold job disturbs lead paint or asbestos, the CCB lead certification and DEQ asbestos rules apply. Your state page has the local detail.
Questions worth asking before you sign
Ask where mold is covered on your program and at what limit. Ask whether professional liability is in place for clearance and verification disputes. Ask whether the mold limit meets what your referral partners require on a certificate. Ask how mold coverage in the pollution form coordinates with any standalone mold policy. If mold is not clearly addressed with a stated limit, the coverage is not there.
Coverages this work needs
The lines that make up a mold remediation program. Each has its own page with what it does, how it applies, and where the gaps hide.
Mold Liability
The peril standard forms are written to exclude. This is the line that actually answers a mold claim.
Mold liability →Contractors Pollution Liability
Mold is often written into or alongside the pollution form. Where it lives decides whether it is covered.
Pollution liability →Professional Liability (E&O)
For a failed clearance or a post-remediation verification the customer disputes.
Professional liability →Care, Custody & Control
Damage to the building and contents you contain, remove, and store.
Care, custody & control →Equipment & Inland Marine
Negative-air machines, air scrubbers, and HEPA gear at the loss and in transit.
Equipment coverage →General Liability
The base, read carefully, because the mold exclusion usually lives right inside it.
General liability →Restoration insurance by state
Mold licensing, the EPA lead rule, and construction licensing change at the state line. Pick yours for the local rules and what we can place there.
Go deeper in the Learning Center
Plain-language articles on the exact coverage questions restoration runs into. Straight answers, not sales pitches.
Mold remediation insurance questions
Does general liability cover mold remediation?
Where does mold coverage actually live on my policy?
What is the IICRC S520 standard and why does it matter to my insurance?
Do I need professional liability for mold work?
How much does mold remediation insurance cost?
Does Oregon license mold remediation?
Should the same company assess and remediate?
Will referral networks require certificates?
Reviewed for insurance accuracy by Richard Sweet, Vantage Point Risk. Last reviewed July 16, 2026. How we review this.
Is mold actually covered, and at what limit?
Mold is the peril most forms exclude. We find where it lives on your program and confirm the limit before a claim does.
Put mold back into a program that is written to exclude it.
Tell us about your mold operation and we will place it with the right market, confirm the mold limit, and add the professional cover clearance work needs.