Commercial property insurance in Chicago

What a Chicago underwriter asks first

• Exterior wall reportsOwners of high-rise buildings must obtain and file written condition reports on the exterior envelope. An underwriter may ask for the latest one.
• Pre-1975 high-risesThe Life Safety and High Rise Ordinance put sprinkler or life safety evaluation duties on older towers. Sprinklered or not is the first property question.
• VacancyA vacant building, and now a vacant storefront, has to be registered, secured and insured under city rules.
• Hail, wind and coldLarge hail, derecho winds and stretches far below zero all show up in the National Weather Service record for this area.
• Water from belowThe City says intense storms fill the sewer mains and push water into basements through private drains.

Exterior wall reports on high-rise buildings

Section 14A-6-603.2 of the Municipal Code requires the owner of a high-rise building to obtain and submit written condition assessment reports on the exterior envelope. The section names the roof, exterior walls, windows and doors, balconies, fire escapes, chimneys, canopies, signs and window-washing systems. The building official can require a critical examination, which the code describes as a close-up visual examination of the entire envelope under a registered design professional, and periodic ongoing inspections between those. The Department of Buildings lists November 1 as the due date for short forms and December 1 for critical exams.

Two parts of that section matter for insurance. If the design professional finds a condition that needs repair, reinforcement or removal to prevent imminent harm, the building official must be told in writing within 24 hours. And the owner has to keep the most recent critical examination report and the later inspection and repair reports on file at the premises. Falling masonry or terra cotta is a liability claim, so an underwriter may ask to see those reports and what was repaired. A separate provision covers exposed metal structures such as fire escapes, marquees and sign frames, which must be examined within two years of installation and at least every five years after.

Towers built before 1975: sprinklers and the life safety evaluation

The City’s summary of its Life Safety and High Rise Ordinance counts about 1,700 existing high-rises, roughly 1,300 of them built before the 1975 fire ordinance, and about 200 of those commercial. Under the ordinance as the City summarized it, pre-1975 commercial high-rises had to install sprinklers in phases from 2005 to 2017, with landmarked buildings generally exempt. High-rises exempt from sprinklers had to file a Life Safety Evaluation prepared by an architect or professional engineer, and pre-1975 towers needed voice communication systems. The Department of Buildings posts a Life Safety Evaluation building status list.

For an older office tower or a loft conversion, I ask whether the building is fully sprinklered, partly sprinklered or relying on a passed evaluation, and I put the answer in the submission with the paperwork. If part of an older building is damaged and has to be rebuilt to current code, the added cost falls under ordinance or law coverage, which is limited unless you buy more. How ordinance or law coverage works.

Vacant buildings, empty storefronts and energy reports

The Department of Buildings tells owners of vacant buildings to secure all openings, insure the property and show proof of liability insurance at registration, post a sign with the owner’s contact details and the registration number, and renew every six months. A building left vacant by fire still has to be registered until repairs begin under a permit, even if you are waiting on an insurance payment. In June 2024 the City Council extended registration, maintenance and insurance duties to buildings with vacant storefronts and similar ground-level spaces. A storefront in habitable condition with legible for-sale or for-rent signage and contact information is not treated as vacant.

Vacancy also changes the policy itself. Commercial property forms commonly cut back or remove coverage for theft, vandalism, sprinkler leakage and water damage once most of a building has sat empty for a stated period, so tell me before the last tenant leaves. Vacant building insurance is a separate placement.

One more city filing: under the Building Energy Use Benchmarking Ordinance, covered buildings of 50,000 square feet and above report energy use to the City by June 1 each year and verify the data every three years. Buildings averaging under 50 percent occupancy for the year are among those the City lists as exempt. It is not an insurance filing, but the City publishes building-specific data.

Hail, derechos and deep cold

The National Weather Service office for Chicago recorded hail of two to locally four inches in diameter across Bolingbrook, Woodridge, Downers Grove, Westmont and Darien on March 10, 2026, the same day a 6.6-inch stone fell at Kankakee and was later confirmed as the Illinois state record. On July 15, 2024 a derecho brought winds of 60 to locally 100 miles per hour and 32 confirmed tornadoes in the office’s forecast area, four of them inside the Chicago city limits. On January 30, 2019 O’Hare recorded 23 degrees below zero, the coldest reading in Chicago in 34 years.

• Roof: age, type and last replacement for each building, and whether roof damage is settled at replacement cost or actual cash value.
• Wind and hail deductible: it may be a percentage of the building limit, not a flat amount. Ask me to point to it on the quote. Wind and hail coverage.
• Freeze: who keeps the heat on in vacant suites, how sprinkler lines in unheated docks and stair towers are protected, and whether anyone checks the building in a cold snap.
• Boilers and rooftop units: mechanical breakdown is outside standard property coverage. Equipment breakdown fills that gap.

Basements, sewer backup and flood

Chicago’s Department of Water Management says storms can now drop two inches or more of rain in an hour on a single neighborhood, onto a sewer system designed decades ago. When the mains fill, the extra water pushes into basements through private sewer drains. The City describes its sewers as an interconnected system carrying both storm runoff and sanitary waste.

That matters because many Chicago commercial buildings keep electrical switchgear, boilers, elevator pits and tenant storage below grade. Water that backs up through a drain is typically excluded from a commercial property policy unless a sewer backup endorsement is added, and the endorsement has its own limit. Water that comes in from the street or a river is flood, which is always a separate policy, through the National Flood Insurance Program or a private flood insurer. I quote both next to the property policy so you can see what the basement is actually insured for. Commercial flood insurance and the Illinois flood guide explain the details.

Hard-to-place buildings and terrorism coverage

When the standard market will not write a building, the Illinois FAIR Plan is the fallback, and its commercial program is narrow. The Plan’s producer summary lists apartment buildings of five or more units, mercantile and service properties as eligible, with a maximum building limit of one million dollars, on a standard property policy that pays actual cash value for limited named perils. Vacant or unoccupied properties and manufacturing risks are listed as ineligible, and the Plan says earthquake coverage is not available under its commercial policy. For most downtown buildings that limit is too low, so the answer is usually the surplus lines market, sometimes with the limit split into layers.

On terrorism: the U.S. Treasury states that the Terrorism Risk Insurance Program was extended through December 31, 2027 by the 2019 reauthorization. Commercial property quotes normally arrive with a terrorism offer you can accept or reject, and lenders on Loop and River North buildings often require it. How terrorism insurance works.

What to send me

• Address, year built, stories, square footage and construction type, with occupancy by floor.
• Sprinkler status: full, partial or none, and any Life Safety Evaluation paperwork for a pre-1975 high-rise.
• The latest exterior wall report for a high-rise, with what was repaired.
• Rent roll or tenant list, noting vacant suites, vacant storefronts and any vacancy registration.
• Roof, HVAC, boiler, plumbing and electrical updates, with years.
• What sits below grade, plus any backflow valves, sump pumps and past water losses.
• Current declarations pages and five years of loss runs.

I am an independent broker and I work with building owners in Illinois from my office in California. More about commercial property coverage, and lessor’s risk if you lease the whole building to tenants.

Common questions

General information about insuring commercial buildings in the City of Chicago as of November 2026, not legal advice. Exterior wall, life safety, vacancy and energy benchmarking rules are set by city ordinance and department rules and change; confirm your building’s obligations with the Chicago Department of Buildings and Department of Environment. Coverage depends on the policy issued. Coverage depends on underwriting and the terms, conditions and exclusions of the policy actually issued.