Home Inspection Cost Calculator
Last updated: October 15, 2026
Estimate a home-inspection budget including base inspection, size, age, radon, sewer scope, mold, pool and other add-ons.
Starting figures illustrate this model. Enter your own measurements, quoted costs and applicable terms; this page does not retrieve live prices or provider rates.
Estimated home inspection cost
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- Base inspection fee: —
- Size and age surcharges: —
- Environmental and sewer add-ons: —
- Specialty inspection add-ons: —
On this page
Quick summary: Estimate a home-inspection budget including base inspection, size, age, radon, sewer scope, mold, pool and other add-ons.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate a home-inspection budget including base inspection, size, age, radon, sewer scope, mold, pool and other add-ons.
How to use it
Enter Base home inspection fee ($); Property size (square feet); Square feet included in base fee; Surcharge per extra square foot ($); Older-home or complexity surcharge ($); Radon test ($); Sewer scope ($); Mold or air-quality testing ($); Pool, spa or other specialty inspection ($). Select Calculate to update the results.
How the calculation works
The estimate combines the base inspection fee with size and age surcharges plus selected environmental, sewer and specialty add-ons.
Worked example: starting scenario
| Base home inspection fee ($) | 425 |
|---|---|
| Property size (square feet) | 2500 |
| Square feet included in base fee | 2000 |
| Surcharge per extra square foot ($) | 0.12 |
| Older-home or complexity surcharge ($) | 125 |
| Radon test ($) | 175 |
| Sewer scope ($) | 275 |
| Mold or air-quality testing ($) | 250 |
| Pool, spa or other specialty inspection ($) | 225 |
| Estimated home inspection cost | $1,535.00 |
|---|---|
| Base inspection fee | $425.00 |
| Size and age surcharges | $185.00 |
| Environmental and sewer add-ons | $700.00 |
| Specialty inspection add-ons | $225.00 |
Important limitations
Inspection scope, property type, location, age, outbuildings, systems, certifications, travel and local pricing vary. An inspection does not guarantee future condition.