Oregon replacement cost calculator

Whether the dwelling coverage on your policy would actually rebuild your house — and what a shortfall costs you at claim time. Planning estimate only, not an appraisal.

Oregon guide

Making sure you have enough coverage

From Home Insurance in Oregon: What It Costs and What Actually Covers You

The most consequential number on your policy is your Coverage A limit, and the most common way it goes wrong is setting it to your home's market value or your mortgage balance.

Neither is correct. Dwelling coverage should equal the cost to rebuild your home from the foundation up at today's construction prices. Market value includes land, and land does not burn. Your mortgage balance is a financing number with no relationship to construction cost.

Oregon's median home price is about $521,368 — high, and heavily influenced by land values in the Portland metro and desirable valley and coastal towns. Rebuild cost on an 1,800 square foot home, worked below, is about $468,000. Those two numbers happen to sit reasonably close together statewide, and that proximity is a coincidence rather than a rule. On a small lot in a high-land-value neighborhood, market value substantially overstates rebuild cost. On rural acreage in eastern or southern Oregon, it can understate it.

The only number that matters is construction cost.

Working a real Oregon example

Rebuilding in Oregon runs roughly $260 per square foot — the midpoint of a published $190 to $330 band covering materials, labor, and general contractor overhead and profit, excluding land.

On an 1,800 square foot home:

  • 1,800 x $260 = $468,000 to rebuild

That is $168,000 above the $300,000 reference tier the premium comparisons in Section 1 use.

The band:

  • At $190/sq ft: $342,000
  • At $330/sq ft: $594,000

Even the bottom of the range is well above $300,000. If you carry the reference limit because that is the number you saw in a rate comparison, the gap is substantial.

On the reliability of this figure. Oregon shares its exact $190-$330 band with Delaware, which makes it a regional construction-cost band applied to Oregon rather than an Oregon-specific survey — read it as a range, not a point. That said, one independent cross-check puts Oregon construction at $188 per square foot, very close to the band's $190 floor, which is one of the better agreements in this dataset. A second cross-check reads $161, but both cross-check series measure a narrower quantity that excludes general contractor overhead and profit, which a real rebuild does not get to exclude.

No Oregon building department or insurance regulator publishes a competing rebuild-cost figure, so get an actual replacement-cost estimate for your specific home.

The wildfire-specific reason this matters more here

In most states, underinsurance shows up as a proportional reduction on a partial claim. In wildfire country, the losses that matter are total losses, and on a total loss there is no proration to argue about — the policy pays its limit and the gap is entirely yours.

If your home costs $468,000 to rebuild and your limit is $300,000, a total wildfire loss leaves you $168,000 short, with a $1,000 deductible that is, at that point, beside the point. Oregon's friendly deductible structure protects you against a large out-of-pocket on a covered claim. It does nothing about a limit that is too low.

The 80% coinsurance rule, and what a shortfall does to a partial claim

Most homeowners policies contain a coinsurance provision requiring you to insure the dwelling to at least 80% of its full replacement cost. Fall below that and the insurer does not merely cap your payout at your limit — it reduces every partial claim proportionally.

Work it. Full replacement cost $468,000, so the 80% threshold is $374,400. Suppose you carry the $300,000 reference limit and a fire does $100,000 of damage. Your limit is three times the loss, so it feels safe:

  • $300,000 carried / $374,400 required = 0.8013
  • 0.8013 x $100,000 = $80,128
  • Minus your $1,000 deductible
  • Net payment: $79,128 on a $100,000 loss

Roughly $21,000 short on a claim well inside your policy limit, purely because Coverage A was set too low.

Two endorsements worth asking about by name

  • Extended replacement cost — pays a stated percentage above your Coverage A limit, commonly 25% to 50%, when rebuilding costs more than estimated. This is the highest-value endorsement in a wildfire state, because a fire that destroys hundreds of homes at once creates a local labor and materials shortage that drives rebuild costs far above any pre-loss estimate. That effect is called demand surge, and Oregon's interface communities have small contractor bases that it overwhelms quickly.
  • Ordinance or law coverage — as above, and unusually valuable given post-fire code requirements.

Read the full Oregon guide →19 min read · Updated 2026-08-28