Home Inspection Cost Estimator
ANA›Life Services Authority›National Calculator Authority›Home Inspection Cost Estimator
.calc-container { max-width: 640px; margin: 2rem 0; padding: 1.5rem; background: #fff; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); font-family: system-ui, -apple-system, sans-serif; } .calc-container h3 { font-family: Georgia, serif; font-size: 1.15rem; color: #1a1a1a; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; } .calc-row label { min-width: 160px; font-size: 0.9rem; color: #333; font-weight: 500; } .calc-row input[type="number"], .calc-row select { flex: 1; min-width: 120px; max-width: 200px; padding: 0.5rem 0.6rem; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9rem; font-family: system-ui, sans-serif; color: #1a1a1a; background: #fafaf8; } .calc-row input:focus, .calc-row select:focus { outline: none; border-color: var(--ac, #3d5a80); box-shadow: 0 0 0 2px rgba(26,74,138,0.12); } .calc-row .unit { font-size: 0.82rem; color: #888; min-width: 30px; } .calc-btn { display: inline-block; margin-top: 0.5rem; padding: 0.55rem 1.5rem; background: var(--ac, #3d5a80); color: #fff; border: none; border-radius: 4px; font-size: 0.9rem; font-weight: 600; cursor: pointer; font-family: system-ui, sans-serif; } .calc-btn:hover { opacity: 0.9; } .calc-result { margin-top: 1.25rem; padding: 1rem 1.25rem; background: #f0f6fc; border-left: 3px solid var(--ac, #3d5a80); border-radius: 0 6px 6px 0; display: none; } .calc-result.visible { display: block; } .calc-result-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: #666; margin-bottom: 0.25rem; } .calc-result-value { font-size: 1.6rem; font-weight: 700; color: var(--ac, #3d5a80); } .calc-result-detail { font-size: 0.85rem; color: #555; margin-top: 0.5rem; line-height: 1.5; } .calc-note { margin-top: 1rem; font-size: 0.8rem; color: #888; font-style: italic; } .calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem; } .calc-grid-item { padding: 0.6rem 0.8rem; background: #f8f9fa; border-radius: 4px; border: 1px solid #eee; } .calc-grid-item .label { font-size: 0.75rem; color: #888; text-transform: uppercase; letter-spacing: 0.04em; } .calc-grid-item .value { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; } @media (max-width: 720px) { .calc-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; } .calc-row label { min-width: auto; } .calc-row input[type="number"], .calc-row select { max-width: 100%; width: 100%; } .calc-grid { grid-template-columns: 1fr; } } .calc-chart { margin: 1rem 0; text-align: center; } .calc-chart svg { max-width: 100%; height: auto; } .calc-chart-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.2rem; margin-top: 0.6rem; font-size: 0.8rem; color: #555; } .calc-chart-legend span { display: inline-flex; align-items: center; gap: 0.3rem; } .calc-chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; font-style: normal; } .calc-related { max-width: 640px; margin: 2rem 0 1rem; padding: 1.25rem 1.5rem; background: #f8f9fa; border: 1px solid #e8e8e8; border-radius: 8px; } .calc-related h3 { font-family: Georgia, serif; font-size: 1rem; color: #1a1a1a; margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-related-list { list-style: none; padding: 0; margin: 0 0 0.75rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 1.5rem; } .calc-related-list li a { font-size: 0.88rem; color: var(--ac, #3d5a80); text-decoration: none; } .calc-related-list li a:hover { text-decoration: underline; } .calc-browse-all { margin: 0.5rem 0 0; font-size: 0.9rem; font-weight: 600; } .calc-browse-all a { color: var(--ac, #3d5a80); text-decoration: none; } .calc-browse-all a:hover { text-decoration: underline; } @media (max-width: 720px) { .calc-related-list { grid-template-columns: 1fr; } }
Home Inspection Cost Estimator
Estimate your home inspection cost based on square footage, property age, home type, and optional add-on inspections.
Home Size (Square Feet)
Home Age (Years)
Property Type
Single-Family Home Condo / Townhouse Multi-Family (2–4 Units) Mobile / Manufactured Home
Number of Stories
1 Story 2 Stories 3+ Stories
Additional Inspections (select all that apply)
Radon Testing (+$150) Mold Inspection (+$200) Sewer Scope (+$175) Termite / WDO Inspection (+$100) Pool / Spa Inspection (+$125) Roof Certification (+$150)
Estimate Cost
function homCalc() { var resultDiv = document.getElementById('hom-result'); resultDiv.style.display = 'none'; resultDiv.innerHTML = '';
// --- Inputs --- var sqft = parseFloat(document.getElementById('hom-sqft').value); var age = parseFloat(document.getElementById('hom-age').value); var type = document.getElementById('hom-type').value; var stories = parseInt(document.getElementById('hom-stories').value);
// --- Validation --- var errors = []; if (isNaN(sqft) || sqft 20000) errors.push('Home size must be between 200 and 20,000 sq ft.'); if (isNaN(age) || age 200) errors.push('Home age must be between 0 and 200 years.');
if (errors.length > 0) { resultDiv.style.display = 'block'; resultDiv.innerHTML = 'Please fix the following:' + errors.map(function(e){ return ''; }).join('') + ''; return; }
// --- Base Rate by Square Footage --- // Industry standard: ~$0.10–$0.17 per sq ft, minimum ~$300 var baseRate; if (sqft $' + low.toLocaleString() + ' – $' + high.toLocaleString() + ''; html += 'Midpoint estimate: $' + total.toLocaleString() + '
';
html += ''; html += 'Base Inspection (' + sqft.toLocaleString() + ' sq ft × $' + baseRate.toFixed(3) + ')$' + Math.round(baseCost).toLocaleString() + ''; html += 'Property Type Adjustment (' + typeLabel + ', ×' + typeMultiplier.toFixed(2) + ')$' + Math.round(baseCost * typeMultiplier).toLocaleString() + ''; if (ageSurcharge > 0) html += 'Age Surcharge (' + age + ' yrs)+$' + ageSurcharge + ''; if (storiesSurcharge > 0) html += 'Stories Surcharge (' + stories + ' stories)+$' + storiesSurcharge + ''; html += 'Base Subtotal$' + subtotal.toLocaleString() + '';
if (addOns > 0) { html += 'Add-On Inspections'; if (radon) html += 'Radon Testing+$150'; if (mold) html += 'Mold Inspection+$200'; if (sewer) html += 'Sewer Scope+$175'; if (termite) html += 'Termite / WDO+$100'; if (pool) html += 'Pool / Spa+$125'; if (roof) html += 'Roof Certification+$150'; html += 'Add-Ons Subtotal+$' + addOns + ''; }
html += 'Total Estimate$' + total.toLocaleString() + ''; html += '';
html += 'Range reflects regional price variation (±15%). Prices are national averages for 2024.
';
resultDiv.style.display = 'block'; resultDiv.innerHTML = html; }
#### Formula
Base Cost = max($300, Square Footage × Base Rate per sq ft) Base Rate: $0.10–$0.17/sq ft (decreases as size increases) Subtotal = (Base Cost × Property Type Multiplier) + Age Surcharge + Stories Surcharge Total = Subtotal + Sum of Selected Add-On Inspections Estimated Range = Total × 0.85 to Total × 1.15
Property Type Multipliers: Single-Family ×1.00 | Condo ×0.80 | Multi-Family ×1.35 | Mobile ×0.90
Age Surcharges: 0–5 yrs: $0 | 6–15 yrs: $25 | 16–30 yrs: $50 | 31–50 yrs: $100 | 51–75 yrs: $175 | 75+ yrs: $250
Stories Surcharges: 1 story: $0 | 2 stories: +$50 | 3+ stories: +$100
#### Assumptions & References
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