Insurance Companies Are Cancelling Roof Coverage Over Moss, Mold, Algae & Lichen — Before You Replace Your Roof, Read This

Insurance Companies Are Cancelling Roof Coverage Over Moss, Mold, Algae & Lichen — Before You Replace Your Roof, Read This

Jun 08, 2026John Redihan

Insurance Companies Are Sending Roof Notices: Before You Replace Your Roof, Read This

Every year, homeowners across the country open letters they never expected to receive:

"Your homeowner's insurance policy may be cancelled, non-renewed, or modified unless roof-related concerns are addressed."

For many homeowners, the reaction is immediate panic.

We understand why.

When you're given 30, 60, or 90 days to resolve an issue, it's easy to assume you're facing a roof replacement that could cost $20,000, $30,000, or even more.

But before you commit to replacing your roof, it's important to understand exactly what your insurance company is concerned about—and whether replacement is actually necessary.

Important Note About Insurance Regulations

Wash Safe's service division is based in Massachusetts, and some of the information in this article references guidance issued by Massachusetts regulators regarding roof-related insurance notices.

Insurance laws, regulations, and underwriting practices vary by state and by insurance carrier. Homeowners should always consult their insurance company, insurance agent, and state insurance department for guidance specific to their policy and location.

The purpose of this article is to help homeowners understand common roof-related insurance concerns and explore potential solutions before making a major financial decision.

Why Insurance Companies Are Paying More Attention to Roofs

Over the last several years, insurance companies have become increasingly aggressive about evaluating roof conditions.

Many carriers now utilize:

  • Aerial imagery
  • Satellite photography
  • Drone inspections
  • Third-party property inspection services
  • AI-assisted image analysis
  • Underwriting review programs

As a result, many homeowners are receiving notices even when they have never filed a claim and have not experienced any active leaks.

Common reasons insurance companies may flag a roof include:

  • Roof age
  • Missing shingles
  • Curling or deteriorated shingles
  • Visible wear and tear
  • Moss growth
  • Algae staining
  • Mold growth
  • Lichen buildup
  • Tree-related hazards
  • Signs of deferred maintenance

Not every notice means your roof is failing.

In many cases, the insurance company is simply identifying a condition they believe may increase future claim risk.

Before You Panic, Take These Steps First

If you receive a roof-related insurance notice, don't immediately assume replacement is your only option.

Take a step back and gather information.

1. Verify the Notice

Massachusetts regulators have warned homeowners to be cautious of third-party mailers that resemble insurance notices but are actually marketing materials from contractors or lead-generation companies.

Before taking action, verify that the notice actually came from your insurance carrier or agent.

2. Ask for Specific Details

Contact your insurance company or insurance agent and ask:

  • What specific condition triggered the notice?
  • Is the concern roof age?
  • Missing shingles?
  • Moss or algae growth?
  • Visible deterioration?
  • Structural concerns?

Understanding the actual issue is critical.

Different problems require different solutions.

3. Request Additional Time

Depending on the carrier and situation, homeowners may be able to receive additional time to address the issue.

If you're actively working toward a solution, many carriers are willing to discuss reasonable timelines.

4. Verify the Assessment

Mistakes happen.

Insurance companies increasingly rely on aerial photography, drone imagery, and AI-assisted property evaluations.

Occasionally:

  • Images may be outdated
  • Roof conditions may be misidentified
  • A neighboring property may be confused with yours
  • Cosmetic staining may be mistaken for deterioration

If your roof was recently repaired or replaced, provide documentation, invoices, photographs, and inspection reports to your insurance company.

Sometimes the Issue Isn't Moss—It's Roof Age

One of the most common reasons homeowners receive roof-related insurance notices has nothing to do with moss, algae, mold, or lichen.

It's simply age.

Many insurance carriers have become increasingly cautious about roofs approaching 15 to 20 years old.

That doesn't automatically mean the roof has failed.

It simply means the carrier may want additional information about its condition.

Depending on the company, homeowners may be asked to provide:

  • Proof of roof age
  • Inspection reports
  • Maintenance records
  • Photographs
  • Repair documentation

If your roof is older but remains structurally sound, documentation may be an important part of the process.

What Massachusetts Says About Aerial Roof Inspections

Massachusetts regulators have issued guidance regarding insurance underwriting decisions based on aerial imagery and similar technologies.

The guidance recognizes that insurers may use aerial photographs, satellite imagery, and related tools when evaluating properties.

At the same time, regulators have emphasized the importance of accurate assessments and appropriate review procedures when making underwriting decisions.

For homeowners, this means that if you believe an insurer's assessment is inaccurate, it may be worth providing additional information such as:

  • Current photographs
  • Inspection reports
  • Maintenance records
  • Contractor evaluations
  • Roof replacement invoices

Documentation matters.

When Organic Growth Is the Real Issue

This is where Wash Safe comes in. In our experience, many homeowners receive notices because of visible organic growth on the roof.

This often includes:

  • Moss
  • Algae
  • Mold
  • Lichen
  • Black roof streaking
  • Green staining

From an insurance company's perspective, these conditions may suggest:

  • Moisture retention
  • Reduced roof maintenance
  • Accelerated deterioration
  • Potential future claims

The challenge is that organic growth can make a roof appear much worse than it actually is!

A roof covered in algae or moss may look like it's failing from the ground while still having years of useful service life remaining.

That's why it's important to determine whether the issue is cosmetic and maintenance-related or whether the roofing system itself has actually reached the end of its useful life.

Why Cleaning May Be Worth Exploring Before Replacement

At Wash Safe, we've spent years helping homeowners and contractors address roofs affected by moss, algae, mold, and lichen.

While every roof condition is different and no company can guarantee how an insurance carrier will respond, we've seen many situations where proper roof cleaning significantly improved the appearance and condition of a roof that had been flagged for organic growth.

In some cases, homeowners have successfully submitted updated photographs and maintenance documentation after cleaning to demonstrate that the roof was being properly maintained.

Again, every carrier, policy, and situation is different.

But before investing tens of thousands of dollars in replacement, it's often worth determining whether cleaning is an appropriate first step.

Not every roof needs replacement.

Sometimes it needs maintenance.

Cleaning Isn't Always the Answer

We want to be clear about something.

Not every roof can or should be saved through cleaning.

If a roof has:

  • Significant shingle loss
  • Structural damage
  • Active leaks
  • Severe deterioration
  • Widespread failure
  • Reached the end of its useful life

replacement may be necessary.

Roof cleaning is most effective when the primary concern involves:

  • Moss
  • Algae
  • Mold
  • Lichen
  • Organic staining
  • Cosmetic appearance issues

Cleaning is not a substitute for replacing a failed roofing system.

The key is understanding which problem you're actually dealing with.

Why Homeowners and Contractors Choose Roof Wash

When cleaning is appropriate, many homeowners and contractors choose Roof Wash because it was specifically developed to help remove roof contaminants such as algae, moss, mold, and lichen while helping users protect surrounding landscaping when applied according to label directions.

Homeowners and contractors appreciate Roof Wash because it offers:

Effective Organic Growth Removal

The goal isn't simply improving appearance.

The goal is addressing the organic growth that may be contributing to insurance concerns.

A More Economical Alternative

When the issue is organic growth rather than structural failure, cleaning may cost substantially less than replacement.

DIY or Professional Options

Homeowners can choose the approach that works best for them.

Some homeowners prefer handling the project themselves.

Others prefer hiring a professional roof cleaning contractor.

Need Professional Help?

Not every homeowner wants to climb on a roof.

And not every homeowner should.

That's why we offer two options.

Option 1: Do It Yourself

Roof Wash is available directly from Wash Safe for homeowners who are comfortable handling the project and following all safety precautions.

Before getting started, we recommend reviewing our Roof Cleaning Guide to determine whether the project is appropriate for your situation.

Option 2: Hire a Professional

If you'd rather leave the work to an experienced contractor, our Contractor Directory can help connect you with professionals familiar with safe roof cleaning practices and Roof Wash applications.

Many of these contractors understand:

  • Insurance-related deadlines
  • Soft washing techniques
  • Plant protection
  • Proper treatment procedures
  • Before-and-after documentation
  • Moss and algae removal

When insurance timelines are involved, working with an experienced professional can be beneficial.

The Bottom Line

If your insurance company is questioning the condition of your roof:

Don't panic.

Don't immediately assume replacement is your only option.

And don't make a major financial decision until you understand exactly what issue the insurance company is identifying.

Sometimes the solution is cleaning.

Sometimes it's repairs.

Sometimes it's documentation.

And sometimes replacement truly is necessary.

The important thing is understanding the actual problem before investing thousands—or tens of thousands—of dollars.

A roof covered with moss, algae, mold, or lichen is not automatically a failed roof.

In many cases, the best first step is obtaining accurate information, evaluating all available options, and determining whether maintenance can resolve the issue before considering full replacement.

Final Disclaimer

Insurance regulations, underwriting practices, and policy requirements vary by state and by insurance carrier.

The information in this article is intended for educational purposes only and should not be considered insurance, legal, or financial advice.

Homeowners should consult their insurance carrier, licensed insurance professional, and state insurance department regarding questions specific to their policy and situation.

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