3.2 Dwelling Coverages A-E and Other Coverages

The Five Lettered Coverages

Every ISO dwelling form uses the same lettered structure for property limits. Unlike Homeowners policies, dwelling forms stop at Coverage E for property — Coverages L and M (liability and medical payments) exist only when added by endorsement. Understanding how each letter relates to Coverage A is essential because raising or lowering the dwelling limit automatically resizes most derived coverages.

On DP-1, Coverage B is often a percentage within Coverage A rather than an additional amount; on DP-2 and DP-3, Coverage B is an additional amount of insurance on top of A. That distinction matters when a detached structure is damaged.

Coverage A — Dwelling

Coverage A insures the dwelling at the described location, structures attached to it (such as an attached garage or carport), and building materials and supplies on or next to the premises used to construct, alter, or repair the dwelling. It does not insure land, even if a covered loss damages soil or landscaping attached to the ground.

Settlement depends on the form: DP-1 pays ACV; DP-2 and DP-3 pay replacement cost when the 80% coinsurance requirement is met. Permanently installed outdoor equipment — a central air-conditioning unit, for example — is part of Coverage A, not Coverage C.

Exam trap: Excavation, grading, and stabilization of land are never part of Coverage A, even when a covered peril damages the soil. Only the building and attached fixtures qualify.

Coverage B — Other Structures

Coverage B insures structures separated from the dwelling by clear space: a detached garage, tool shed, fence, or gazebo. The default limit is 10% of Coverage A, and on DP-2/DP-3 this amount is additive — it does not reduce Coverage A.

Example: A DP-3 with $350,000 Coverage A automatically provides $35,000 of Coverage B in addition to the $350,000 dwelling limit. A windstorm destroys a $28,000 detached garage. The insurer pays up to $28,000 from Coverage B (less deductible); the full $350,000 remains available for the main house.

Exclusions from Coverage B:

• Structures used for business (unless used solely as a private garage)
• Structures rented or held for rental to anyone not a tenant of the dwelling
• Structures being built, altered, or repaired (may need a builders-risk or under-construction endorsement)

Coverage C — Personal Property

Coverage C insures the named insured's household personal property. On an owner-occupied DP-3, the default may be 50% of Coverage A or a stated dollar limit. On a rental dwelling, the landlord often carries a small Coverage C limit for appliances, lawn equipment, and maintenance supplies left on site — not the tenant's furniture and clothing.

Property is covered worldwide when Coverage C applies, subject to sublimits for property usually kept at another residence. Certain categories carry internal sublimits:

Excluded from Coverage C: property of roomers and boarders not related to the insured; animals, birds, and fish; motor vehicles (except those used solely to service the residence, like a riding mower); aircraft and hovercraft.

Coverage D Versus Coverage E — The Classic Confusion

These two coverages respond to the same event — a covered peril makes the dwelling uninhabitable — but they serve different insureds and pay different economic losses.

Coverage D — Fair Rental Value applies when a landlord loses rent because a rented portion of the premises cannot be occupied after a covered loss. It pays the fair rental value of the rented portion minus continuing expenses that do not accrue during the shutdown (the landlord does not get paid for expenses that stop, like certain utilities the tenant normally reimburses).

Coverage E — Additional Living Expense applies when an owner-occupant must live elsewhere. It pays the increase in living costs necessary to maintain the insured's normal standard of living — not the full hotel bill if part of that bill replaces normal housing costs.

Both D and E:

• Respond only to a covered peril that makes the dwelling uninhabitable
• Are limited to the time reasonably required to repair or replace the dwelling (not an arbitrary calendar cap)
• Are not subject to the property deductible on standard forms

Worked example — Coverage D

A Las Vegas landlord collects $2,200/month rent on one half of a duplex. A fire in the tenant's unit makes it uninhabitable for four months. Repairs take four months — a reasonable period. The landlord still owes $300/month in property taxes and insurance that continue regardless of occupancy.

• Gross lost rent: $2,200 × 4 = $8,800
• Continuing expenses that do not stop: $300 × 4 = $1,200 (these reduce the recovery if they would have been netted from rent)
• Coverage D pays the net fair rental value lost: approximately $8,800 in lost rent for the period, subject to the Coverage D limit (20% of A on DP-2/DP-3)

Worked example — Coverage E

An owner-occupant's normal monthly household expenses total $4,500 (mortgage, food, utilities). While displaced after a covered fire, monthly costs rise to $7,000 (temporary rental, restaurant meals above normal). Coverage E pays only the increase:

• Monthly increase: $7,000 − $4,500 = $2,500/month
• On a DP-3 with $300,000 Coverage A, the Coverage E ceiling is 20% × $300,000 = $60,000 total for the entire displacement period

Exam trap: A tenant forced out of a rental collects nothing under the landlord's Coverage D or E — the tenant's renters policy may cover their additional living expense. Coverage D pays the landlord, not the tenant.

Other Coverages — Automatic Extensions

Beyond the lettered coverages, dwelling forms grant Other Coverages that extend protection, usually without increasing the Coverage A limit:

Trees, shrubs, and plants are not covered for windstorm, hail, or disease — a frequent exam detail in wind-exposed states like Nevada.

Worked example — trees and per-item cap

A DP-3 carries $280,000 Coverage A. A vehicle crashes into the yard, destroying three ornamental trees valued at $900, $1,100, and $700 ($2,700 total).

• Aggregate Other Coverage limit for plants: 5% × $280,000 = $14,000 (not the constraint here)
• Per-item cap: $500 each tree
• Payment: $500 + $500 + $500 = $1,500, not $2,700

The per-item sublimit, not the aggregate, controls small landscaping claims.

Reading the Percentages on Exam Day

When a question gives Coverage A and asks for automatic limits, anchor everything to A:

• Coverage B = 10% of A, additional on DP-2/DP-3
• Coverage D = 20% of A on DP-2/DP-3 (10% on some DP-1 versions)
• Coverage E = 20% of A on DP-2/DP-3

Numeric drill: $250,000 Coverage A on a DP-3 → $25,000 Coverage B, $50,000 Coverage D, $50,000 Coverage E. These are defaults; the insured may buy higher limits for additional premium, but exam questions without other instructions use the standard percentages.

Rental Versus Owner-Occupied — Coverage Allocation

Producers should verify that Coverage D is on the declarations page for every rental and that Coverage E is adequate for any owner-occupant written on a dwelling form instead of HO.