Whole-home
What does it cost to fully upgrade a home in Hattiesburg, MS? (2026)
Hattiesburg · full-home upgrade
$29,400 – $74,000
Estimated total to modernize the major systems of a typical Hattiesburg home, localized to your area.
Few homeowners do everything at once — but if you're planning a full modernization in Hattiesburg, here's how the major projects add up. Each line is a localized 2026 estimate; click any project for the full breakdown.
| Project | Hattiesburg 2026 range |
|---|---|
| HVACFurnace Replacement | $3,550 – $6,400 |
| RoofingAsphalt Shingle Roof Replacement | $5,700 – $11,700 |
| Water HeatersTank Water Heater Replacement | $1,150 – $3,000 |
| WindowsVinyl Window Replacement | $4,900 – $14,450 |
| PaintingInterior House Painting | $3,700 – $11,100 |
| FlooringHardwood Flooring Installation | $5,600 – $14,000 |
| PlumbingWhole House Repipe | $3,350 – $7,600 |
| InsulationAttic Insulation | $1,450 – $5,750 |
| Complete home upgrade | $29,400 – $74,000 |
Totals sum one representative project per category, localized to Hattiesburg (hot climate) using local labor price levels and permit fees. Most homeowners phase these over years — use it for planning, not a quote.