Most coverage mistakes trace back to one misunderstanding: confusing replacement cost with market value. Getting this right is the foundation of a homeowners policy that actually protects you.
What replacement cost is
Replacement cost is what it would take to rebuild your home with materials of similar kind and quality at today’s local construction prices. It does not include the land — land doesn’t burn down, so it isn’t insured. Your dwelling coverage (Coverage A) should equal your replacement cost. (Full comparison: replacement cost vs market value.)
| Figure | What it is | Sets your coverage? |
|---|---|---|
| Replacement cost | Cost to rebuild today | Yes — Coverage A |
| Market value | What a buyer would pay (incl. land) | No |
| Assessed value | County tax figure | No |
| Mortgage balance | What you owe | No |
RCV vs ACV: how a claim pays out
Two homes with the same coverage can be paid very differently depending on the settlement basis:
- Replacement cost value (RCV) — pays what it costs to repair or rebuild today, no depreciation. Better for you.
- Actual cash value (ACV) — pays RCV minus depreciation for age and wear, so you receive less.
Many policies settle the structure at RCV but personal property at ACV unless you add replacement-cost coverage. Aging roofs are frequently moved to ACV, which is why roof age matters so much to your premium and your payout.
Estimating your number — and protecting against spikes
Ask your insurer to run a replacement-cost estimator at quote time, or estimate it from square footage x a local rebuild cost-per-square-foot, adding finishes and code-upgrade (ordinance-or-law) costs. Then:
- Insure to 100% of replacement cost — the 80% coinsurance rule penalizes under-insuring.
- Add extended (e.g. +25%) or guaranteed replacement-cost coverage so you’re protected if rebuilding costs surge after a widespread disaster.
- Re-check the figure yearly; inflation guard helps but can lag.
See how the coverage amount changes price on the premium by coverage page, and estimate yours with the premium estimator.
General information, not advice or a quote. Settlement terms and endorsements vary by policy and state. Confirm your replacement cost and coverage with a licensed insurer.