Why Illinois Homeowners Need Insurance for Additional Structures on Their Property
Sheds, fences, and detached garages may not be fully covered. Learn how other structures coverage protects Illinois homeowners and how much you need.
2 min read
Dave Rysavy
:
Updated on October 22, 2026
Quick Answer: Common homeowners insurance myths include believing a standard policy covers every event, that flood damage is included, that market value equals rebuild cost, and that filing claims always saves money. Each can leave Illinois homeowners with dangerous coverage gaps. Knowing the facts helps you choose a policy that actually protects your home.
When shopping for insurance, misinformation can be as costly as having no coverage at all. Believing common myths about homeowners insurance leads to gaps that fail to account for everyday or unexpected damage. We have gathered the most common myths and misconceptions so Illinois homeowners can avoid serious financial losses from inadequate or misunderstood policies.
Is your home properly covered?
We compare your homeowners coverage across 20+ A-rated carriers and make sure it meets your lender's requirements. No agency fees, ever.
Get My Free Home QuoteHomeowners policies cover many catastrophic events such as fire, theft, and certain weather damage, but they also contain numerous exclusions. Failing to recognize these gaps can lead to a denied claim and an expensive bill you must pay yourself.
Common exclusions include flood, mold, and sewage backup. Understand what is left out in what is not covered by homeowners insurance and explore Illinois home insurance.
Standard homeowners policies do not cover flood damage. Given Illinois weather and the flood risk near rivers and after heavy storms in Kane and McHenry Counties, this is one of the most dangerous misconceptions a homeowner can hold.
Flood protection usually requires a separate policy. Learn how to prepare in how to prepare your home for a natural disaster and review the water damage that is covered.
Many homeowners insure their home for its market or purchase price, but insurance should reflect the cost to rebuild, which can be higher or lower. Underinsuring the rebuild can leave you short after a total loss.
Reviewing your coverage limits regularly keeps you protected. See how Illinois homeowners can avoid coverage gaps.
Filing small claims can raise your premium and may not be worth it once you weigh the deductible. Strategic homeowners reserve claims for larger losses and handle minor repairs themselves.
Understanding this helps you manage long-term cost. Read how to lower your home insurance rates without reducing coverage.
The best defense is an annual policy review with an agent who knows Illinois risks. Confirm your exclusions, check your rebuild limits, and add coverage for flood or sewer backup where needed.
For more myth-busting, see the top five home insurance myths and common myths about homeowner insurance in Illinois.
Pro Insurance Group is an independent insurance broker based in Elgin, IL, serving clients across Illinois and 40+ states. Because we shop 20+ A-rated carriers, we put the whole market to work on your rate, and we re-shop every renewal so your premium never quietly creeps up. No agency fees, ever.
Prefer to talk it through? Call 833-776-4671.
No. Flood damage is excluded from standard policies and requires separate flood coverage, which matters in flood-prone parts of Illinois.
No. Insure for the cost to rebuild, which can differ from market value, so you are not underinsured after a major loss.
It can, especially for small or frequent claims. Reserve claims for larger losses and weigh the deductible first.
Usually not by default. It often requires a specific endorsement, which is worth adding in many Illinois homes.

Reviewed by Dave Rysavy, VP Personal Lines
Licensed in Illinois since 1990, and ran his own agency for nearly 30 years before going independent.
Illinois licensed insurance producer #2121123
Sheds, fences, and detached garages may not be fully covered. Learn how other structures coverage protects Illinois homeowners and how much you need.
There are 8 types of homeowners insurance, from basic HO-1 to HO-8 for older homes. Learn what each covers to pick the right policy in Illinois.
An annual homeowners insurance review catches coverage gaps before a claim does. Learn what to check each year to keep your Illinois home protected.