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How Much Condo Insurance Do I Need? Sizing an HO-6 Against Your Building's Master Policy

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Two owners on the same floor, identical 1,400-square-foot floor plans, both correctly insured. One carries $18,000 of building coverage. The other carries $190,000. Neither is wrong, because they bought in different buildings with different master policies.

That is the whole answer to how much condo insurance do i need: there is no standard number, and any quote generated before someone reads your building's master policy is a guess. What follows is how to size each limit on an HO-6 from the specific document that governs your unit, coverage part by coverage part.

Leevli EditorialLast updated 2026-09-17

Start with the master policy, not with a quote

Your HO-6 is designed to cover what the association's policy does not. So the first input is not your square footage or your ZIP code. It is the point where the association's coverage stops.

Washington State's insurance regulator describes the three common arrangements plainly. An all-in master covers exterior plus interior finishes including doors, windows, shower and tub, vanity and cabinets, paint, baseboards and trim, light fixtures and floor coverings. An all-in excluding improvements or betterments master covers the original finishes only, so any upgrade you or a prior owner made is yours. A bare walls master covers damage up to the uncovered sheetrock and subfloor and no further.

The difference between the first and third of those is roughly the cost of a full interior. Get the declarations page and the recorded declaration before you get a quote. How to read a master policy line by line walks through which fields to pull. And if the general division of labor between the two policies is still fuzzy, the overview of condo association insurance sets it out.

Coverage A: the building gap, in dollars

Coverage A on an HO-6 is often called dwelling or building property coverage. It pays for the parts of the physical unit you are responsible for.

The default limit should worry anyone who accepted it. The standard unendorsed HO-6 form carries a Coverage A limit of $5,000, written on named perils. Filed rate material shows how low these floors can run. A Florida HO-6 coverage worksheet on file with the state's insurance regulator lists a Coverage A minimum of $1,000 against a maximum of $300,000. Those are the rails of the form, not a recommendation. In a bare walls building, $5,000 does not replace one bathroom.

How to build the real number

The method insurance professionals use is a takeoff, not a rule of thumb. IRMI's guidance for HO-6 policies is to pull the association's declaration, list every interior building item the owner is responsible for, typically everything inside the bare walls and bare floor, then estimate replacement cost for each category including labor, and then add roughly 20% for estimating error. Its worked example for a mid-range unit totals about $196,000 of owner-responsible interior items.

Your list will usually include: interior wall surfaces and paint, flooring throughout, kitchen cabinetry and counters, all appliances that are attached, bathroom vanities, tubs, showers, tile and fixtures, interior doors and trim, light fixtures, built-in shelving and closet systems, and in many declarations the interior side of windows and entry doors, plumbing fixtures and portions of HVAC serving only your unit. What is on the list is determined by the declaration, not by what feels like yours.

The floor your lender imposes

There is also a minimum you do not get to argue with. Fannie Mae requires an individual unit policy whenever any portion of the interior or improvements to the unit are not covered by the master policy, or whenever the master carries a per-unit deductible. The required limit is the greater of an amount sufficient to restore the unit to its condition before the loss, or the per-unit deductible amount. The policy has to be written on a special coverage form or equivalent, on a replacement cost basis, and the deductible on it may not exceed the greater of 5% of the coverage amount or $2,500.

So if the master shows a $25,000 per-unit deductible, $25,000 is your floor before you have insured a single cabinet. Practical order of operations: take the takeoff number, compare it to the per-unit deductible, and carry the larger one.

Coverage C: personal property, and the settlement basis nobody reads

Coverage C is everything not attached to the building. The common shortcut of insuring at 50% to 70% of dwelling coverage is borrowed from single-family policies and does not transfer, because on a condo the dwelling figure is a gap, not a house.

Do a room-by-room inventory instead, including the categories people systematically undercount: clothing, kitchenware, linens, tools, sports equipment, and anything stored in a garage or a deeded storage cage.

Then check two settings on the quote. First, settlement basis. Many condo forms default to actual cash value on contents, with replacement cost available as an option. The Florida worksheet cited above shows that structure, with a Coverage C minimum of $6,000 and a maximum of $300,000. Actual cash value depreciates a seven-year-old sofa to what a seven-year-old sofa is worth. Replacement cost pays to buy a new one. On a total loss the difference is routinely tens of thousands of dollars.

Second, special limits. Standard forms cap categories such as jewelry, furs, firearms, silverware and cash at low sublimits regardless of your overall Coverage C amount. If you own a $9,000 ring, the base policy is not covering it; that needs a scheduled endorsement.

Coverage D: loss of use

Loss of use pays additional living expenses while the unit is uninhabitable. On many condo forms the limit is derived rather than chosen. The Florida filing sets it at 20% of Coverage C, with no option to change it.

That derivation matters in a specific way: in a building displaced for months after a major loss, low contents coverage produces low loss-of-use coverage at the exact moment you are paying two housing costs. If the building has a history of long repair timelines, buy contents coverage with that relationship in mind.

Coverage E and F: liability and medical payments

Defaults here are low. The same state filing shows a default liability limit of $100,000, increasable to $300,000, and medical payments defaulting to $2,000 with an option at $5,000.

For most owners, $300,000 of personal liability is the sensible floor and $500,000 is better where the carrier offers it. If your net worth or income is meaningfully above the liability limit, an umbrella policy is usually the efficient instrument, costing far less per dollar of coverage than raising the underlying limit. Liability follows you, not the unit: a dog bite at the pool and a guest's fall in your entryway both land here.

Loss assessment: the line almost everyone leaves at default

This is where the largest unexpected bills come from, and it is the cheapest thing on the quote to fix.

Loss assessment coverage responds when the association assesses owners for a covered loss it could not fully pay, such as damage exceeding the master policy limit or the master deductible spread across the membership. Washington's regulator gives the textbook case: wind damages roofs across multiple units, the loss runs past the master policy's limits, and owners are assessed for the shortfall.

Built-in limits are small. An unendorsed HO-6 typically carries only about $1,000 to $2,000 of loss assessment coverage; IRMI puts the basic figure at $2,000 and notes it can be increased through the supplemental loss assessment endorsement, form HO 04 35, with recommended limits in the range of $50,000 to $100,000.

Now put that next to the arithmetic on the other side. Master property deductibles can run as high as 5% of the coverage amount per occurrence under agency rules. On a building insured at $40 million, that is a $2 million deductible the association must absorb before its carrier pays, and in most states the association can allocate that cost to owners. Spread across 120 units, it is roughly $16,700 each. Against a $2,000 default limit.

Two specific things to ask your agent for: raise loss assessment to a limit that reflects your building's actual deductible math, and confirm whether the policy includes coverage for an assessment arising from the master policy deductible specifically, which some carriers treat separately from other assessments. IRMI advises selecting the higher authorized amount where a deductible assessment option exists. Also ask whether the endorsement covers assessments from perils such as sewer backup, which are often excluded unless added.

Deductibles: yours, and the building's

Your own deductible is a straightforward trade between premium and out-of-pocket exposure, bounded by the lender rule above. On a financed unit it cannot exceed the greater of 5% of the coverage amount or $2,500.

The building's deductible is the one that can hurt. Find it in dollars, not percent, and find out whether the declaration or state law lets the association charge it back to owners. Where a loss originates in your unit, some associations charge the full master deductible to the responsible owner. IRMI notes that a unit owner's negligence can make the association's deductible that owner's sole responsibility, and master deductibles of $5,000 or $10,000 are common even in small buildings. The mechanics of how a deductible becomes a special assessment are worth understanding before you set your limits.

What an HO-6 does not cover at all

Flood and earthquake are separate purchases. This is not a gap you can close by raising a limit.

On flood, the structure of the NFIP's condo coverage creates a trap. The Residential Condominium Building Association Policy is bought by the association, covers the building at up to $250,000 times the number of units, and explicitly excludes contents. Personal property coverage is not included with residential condominium building property coverage. FEMA's own summary tells individual owners they may want their own contents policies. A building can carry perfect flood coverage while every owner inside it has none for their belongings. Ground-floor and coastal units should treat this as a separate line item, not an afterthought, and that goes double in markets like Fort Lauderdale where a lot of stock sits at low elevation.

If you are still untangling what the structural side of coverage means and why a lender demands it, what hazard insurance is and what it actually covers handle those questions directly.

How much condo insurance do I need? A worked example

A 1,300-square-foot unit in a 120-unit mid-rise. The master is bare walls with a $25,000 per-unit deductible and a 5% per-occurrence deductible on a $40 million limit.

  • Coverage A: interior takeoff comes to $140,000; add 20% for estimating error, so $168,000. That exceeds the $25,000 per-unit deductible floor, so $168,000 governs.
  • Coverage C: room-by-room inventory of $85,000, written on replacement cost rather than actual cash value.
  • Coverage D: derived at 20% of contents, about $17,000.
  • Coverage E: $300,000 minimum, with an umbrella if assets warrant it.
  • Loss assessment: the per-occurrence master deductible is $2 million; across 120 units that is roughly $16,700 per owner, so a $50,000 limit is defensible rather than generous.
  • Deductible: keep it at or under the greater of 5% of Coverage A or $2,500 to stay inside the lender rule.

For scale, California's insurance regulator reported average annual written premium per condo unit rising from $236 in 2001 to $501 in 2017. That is historical and state-specific; premiums have moved considerably since, so price your own market.

Re-run the math when the building's policy changes

An HO-6 sized correctly in 2022 can be badly undersized now. Two things move: construction costs, which raise your Coverage A takeoff, and the association's renewal, which can shift the deductible, the limit, or the walls-in boundary itself. Ask the management company to send the new declarations page every year and spend twenty minutes on it. If the master deductible doubled, your loss assessment limit should follow.

One more check that no document gives you: how the building behaves after a loss. Whether claims get filed, how fast repairs happen, whether owners were assessed last time and for how much. Those answers come from people, so pull the declarations page, size your limits against it, and then ask a resident of the building what the last claim actually cost them. If the building's financing status is also in question, the project review rules behind a non-warrantable condo use many of the same documents.

Questions to ask a current resident

The declarations page sets your limits. An owner who has been through a claim in the same building tells you whether those limits held.

  • Were owners ever assessed for a master policy deductible or a shortfall, and what was your share?
  • When you filed on your own HO-6, what did the carrier say the master policy should have covered?
  • Did anyone here find out mid-claim that their upgrades were not covered by the association's policy?
  • How long were displaced owners out of their units after the last major loss?
  • Has the board charged a deductible back to an owner whose unit caused the damage?
  • Does management send the new declarations page at renewal without being asked?
  • Did anyone in this building learn the hard way that the flood policy pays nothing toward contents?
  • What did your HO-6 premium do at the last renewal, and did the building's claim history come up?

The short version

  • No standard HO-6 limit exists, because your coverage has to fill the gap your building's master policy leaves.
  • Build Coverage A from an interior takeoff plus roughly 20% for estimating error, and carry the higher of that number and the master's per-unit deductible.
  • A financed unit cannot carry a deductible above the greater of 5% of the coverage amount or $2,500.
  • Loss assessment is the cheapest line to fix and the most commonly left at a $1,000 to $2,000 default.
  • Flood and earthquake sit outside the HO-6 entirely, and the association's flood policy covers no contents at all.

How Leevli closes the information gap

Listings show the property, but they rarely explain the lived reality around it. On Leevli, a mover can explore the city, review neighborhood and building information, and ask a verified resident the specific questions that remain unanswered. That human layer helps readers know what to investigate before signing a lease, making an offer, or choosing between two addresses.

Frequently asked questions

Enough to rebuild everything inside your unit that the master policy leaves to you. Pull the recorded declaration, list every interior item you are responsible for, price replacement cost by category including labor, then add about 20% for estimating error. Compare that total to the master policy's per-unit deductible and carry whichever is larger. IRMI's worked example for a mid-range unit reached roughly $196,000.

A calculator can price a quote, but it cannot read your building's master policy, and that document decides where your responsibility starts. Two identical floor plans in different buildings can need $18,000 and $190,000 of building coverage. Get the declarations page and the declaration first, do the interior takeoff, then use a calculator or an agent to price the limits you already know you need.

More than the default. An unendorsed HO-6 typically carries only about $1,000 to $2,000, and IRMI recommends increasing it through the supplemental loss assessment endorsement, form HO 04 35, with limits in the range of $50,000 to $100,000. Size it against your building's own math: a 5% deductible on a $40 million limit is $2 million, which across 120 units is roughly $16,700 per owner.

Replacement cost, where the carrier offers it. Many condo forms default to actual cash value on contents, which depreciates a seven-year-old sofa to what a seven-year-old sofa is worth today. Replacement cost pays to buy a new one. On a total loss the difference routinely runs into tens of thousands of dollars, and the upgrade is an option on the quote rather than a separate policy.

Do a room-by-room inventory instead of borrowing the single-family shortcut of 50% to 70% of dwelling coverage, which does not transfer because a condo's dwelling figure is a gap rather than a house. Count the categories people undercount: clothing, kitchenware, linens, tools, sports equipment and anything in a storage cage. Then check the special sublimits on jewelry, furs, firearms, silverware and cash.

In many buildings, yes, depending on the declaration and state law. Where a loss starts in your unit, some associations charge the full master deductible to the responsible owner, and IRMI notes that an owner's negligence can make that deductible the owner's sole responsibility. Master deductibles of $5,000 or $10,000 are common even in small buildings. Find yours in dollars, then set your own limits against it.

No. Flood and earthquake are separate purchases and cannot be added by raising a limit. The association's NFIP policy for the building covers up to $250,000 times the number of units and excludes contents entirely, which is why FEMA's summary tells individual owners they may want their own contents policies. Ground-floor and coastal owners should price a personal flood contents policy as its own line item.

Fannie Mae limits the deductible on an individual unit policy to the greater of 5% of the coverage amount or $2,500, and requires the policy to be written on a special coverage form or equivalent, on a replacement cost basis. A higher deductible lowers the premium but can put a financed unit out of compliance, so confirm the number with your lender before you choose it.

It varies too much by state, building and limits for a national figure to mean anything. For scale, California's insurance regulator reported average annual written premium per condo unit rising from $236 in 2001 to $501 in 2017. Those numbers are historical and specific to one state, and premiums have moved considerably since, so price your own market rather than budgeting from them.

Every year, when the association renews. Two things move underneath you: construction costs, which raise the interior takeoff behind Coverage A, and the master policy renewal, which can change the deductible, the limit or the walls-in boundary itself. Ask the management company for the new declarations page each year and spend twenty minutes on it. If the master deductible doubled, your loss assessment limit should move too.

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Sources

Editorial review: verify current federal and state law, insurance regulations, HOA and condominium statutes, and lender guidelines before relying on any single claim. This article is informational and does not constitute legal, financial, tax or insurance advice.