What Is Dwelling Coverage (Coverage A)?

 

What Is Dwelling Coverage (Coverage A)?




Dwelling coverage — Coverage A on your declarations page — pays to rebuild your home's structure after a covered loss like fire, wind, or hail. One of the most common questions homeowners ask when reviewing a policy is why this one number drives almost every other limit on the page: it does, by percentage. Get Coverage A wrong, and B, C, and D are wrong too.


How the Limit Is Set — And Why B, C, and D Ride on It

Insurers set Coverage A to your home's estimated replacement cost — the cost to rebuild with today's materials and labor, not its market value. Lenders usually require just 80% of that figure, but that's a co-insurance floor, not a safety target; most guidance points toward 100% instead.

The other coverages ride on this number: Coverage B (other structures) typically 10% of A, Coverage C (personal property) commonly 50%–70%, and Coverage D (loss of use) around 20%. Underinsure the dwelling, and all three shrink with it.

The Point Everyone Gets Wrong: Market Value vs. Replacement Cost

Market value reflects land and neighborhood demand, not rebuild cost, and is usually higher than replacement cost — though not always, in areas with pricier materials or strict codes. One related wrinkle: actual cash value pays replacement cost minus depreciation, while replacement cost value pays the full rebuild with nothing deducted — RCV is the safer pick (related read: Actual Cash Value vs. Replacement Cost). A majority of U.S. homes are estimated underinsured here, as building costs climb and limits go stale.

A Real Scenario: Rebuilding After a Total Loss

A total loss — a wildfire is the clearest example — hurts most when the limit is wrong, since there's no partial repair to soften the gap. Two add-ons matter: extended replacement cost, a 10%–50% buffer where rebuild costs spike after a disaster, and ordinance-or-law coverage, which pays the extra cost of meeting current code, including fire-hardening rules some wildfire-prone areas now require.

Bottom Line

  • Coverage A should match replacement cost, not market value.
  • B, C, and D are percentages of A — get A wrong and all three shrink.
  • In wildfire-prone areas, ask about extended replacement cost and ordinance-or-law coverage before you need them.

Run a replacement-cost calculator, then confirm the number against your declarations page.

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