Home Replacement Cost Estimator
Free calculator · Rebuild cost by state · 80% rule checker · What's covered explained
Your home's replacement cost is what it would cost to rebuild it from the ground up at today's prices — not its market value or sale price. The national average is $153 per square foot, ranging from $100 in low-cost Midwest states to $400+ in coastal California or Hawaii. Use the calculator below to estimate your specific number and check whether your current dwelling coverage is adequate.
Most homeowners set their dwelling coverage once — when they buy the house — and never revisit it. Construction costs have moved sharply since 2020. The average national rebuild cost rose by $39 per square foot between 2020 and 2022 alone. If you haven't reviewed your coverage recently, there's a real chance you'd be short in a major loss.
A Federal Reserve Bank of Philadelphia study of the 2021 Marshall Fire in Boulder County, Colorado found that 74% of affected homeowners were underinsured, with average coverage of $591,100 against actual rebuild costs of $757,100. Over a year later, only 30% had filed a rebuild permit.
🏠 Home Replacement Cost Calculator
Enter your home details below. Takes about 60 seconds. Results are estimates — see a licensed agent for coverage-grade accuracy.
The Formula Behind Every Insurer's Calculation
Every insurance company's proprietary software starts with this same core equation, then adjusts for home-specific features:
= (2,000 × $195 × 1.0 × 1.0) + (2,000 × 0.7 × $35) + $0
= $390,000 + $49,000 = $439,000 estimated RCV
Recommended coverage (+ 15% buffer for inflation + permits): $505,000
Rebuild Cost Per Square Foot by State
Labor costs, material prices, and local building codes create meaningful differences across states. These figures are for standard-quality construction — the baseline most insurers use.
| State | Standard $/sq ft | 2,000 sq ft home | Key driver |
|---|---|---|---|
| Iowa, Kansas, Nebraska | $100–$125 | $200,000–$250,000 | Lowest labor costs nationally |
| Ohio, Indiana, Missouri | $110–$135 | $220,000–$270,000 | Competitive contractor market |
| Texas | $130–$158 | $260,000–$316,000 | High post-storm rebuild demand |
| Florida | $148–$178 | $296,000–$356,000 | Hurricane-resistant requirements |
| Michigan, Wisconsin | $132–$160 | $264,000–$320,000 | Winter construction premium |
| Georgia, North Carolina | $122–$148 | $244,000–$296,000 | Competitive market, lower wages |
| Colorado | $155–$195 | $310,000–$390,000 | Post-Marshall Fire rebuild surge; $350/sq ft in Boulder |
| Arizona, Nevada | $148–$178 | $296,000–$356,000 | Desert build premium; cooling systems |
| New York | $188–$228 | $376,000–$456,000 | Highest labor rates; strict code compliance |
| New Jersey, Connecticut | $178–$218 | $356,000–$436,000 | Dense metro labor market |
| Massachusetts | $195–$238 | $390,000–$476,000 | High skilled labor costs statewide |
| Louisiana | $305–$360 | $610,000–$720,000 | Highest in South — flood/hurricane engineering |
| California (inland) | $205–$248 | $410,000–$496,000 | Seismic requirements; high labor |
| California (coastal) | $248–$320 | $496,000–$640,000 | Wildfire zones; premium materials |
| Washington State | $208–$248 | $416,000–$496,000 | Seismic codes; high labor |
| Hawaii | $310–$420 | $620,000–$840,000 | All materials shipped; highest in US |
Which Coverage Type Do You Have?
Check your declarations page under "Coverage A — Dwelling." These three options pay out very differently after a major loss:
The 80% Rule — and What Happens if You Violate It
Most policies include a coinsurance clause. If your coverage falls below 80% of your home's replacement cost, your insurer will only pay a proportional share of any partial claim:
$120,000 water damage claim → Payout = ($300,000 ÷ $400,000) × $120,000 = $90,000
You're out $30,000 — not because you weren't insured, but because you were underinsured.
Features That Raise Your Replacement Cost Above Average
- Finished basement: Add $50–$105/sq ft of basement area
- Custom cabinetry: +$5,000–$30,000 vs standard
- Natural stone countertops: +$50–$200/sq ft vs laminate at $8–$20
- Hardwood or luxury tile floors: +$5–$20/sq ft over basic vinyl
- Historic / Craftsman details: Crown molding, plaster walls, hand-crafted trim — 3–5x more than modern equivalents
- Solar panel system: +$15,000–$40,000 installed — often excluded from standard estimates
- Vaulted or coffered ceilings: Significant added framing and labor cost
- Gourmet kitchen: +$30,000–$100,000 over a basic kitchen rebuild
3 Ways to Get Your Replacement Cost — Least to Most Accurate
- Square footage formula (this calculator): Fast ballpark, typically within 15–25% for standard homes. Misses custom features and special finishes.
- Your insurer's calculation: Request that they run a replacement cost estimate at renewal — most use Verisk 360Value or Marshall & Swift. More detailed than the formula. Ask your agent to do this annually.
- Professional appraisal ($300–$500): Licensed residential appraiser inspects your home, measures every room, documents all finishes. Most accurate option — worth it for homes over $500,000 or with significant custom features.
A finished basement adds $50–$105/sq ft to your rebuild cost. A kitchen remodel can add $30,000–$100,000. After any major renovation, notify your insurer within 30–60 days. See our Garage Door Replacement Cost and Roof Replacement Cost guides for component-level rebuild costs.
Not Sure Your Coverage Is Adequate?
Compare home insurance quotes from top carriers and confirm your dwelling limit is accurate before your next renewal.
Frequently Asked Questions
* 74% underinsurance statistic: Federal Reserve Bank of Philadelphia analysis of Marshall Fire, Boulder County, Colorado. Avg rebuild cost $757,100 vs avg coverage $591,100 across 3,000 policyholders.