What does it cost to fully upgrade a home in Great Falls, MT? (2026)
Ballpark total for modernizing the major systems of a Great Falls home, adjusted for local conditions.
Most homeowners spread this out rather than doing it all at once. Here's how the major projects add up for a full modernization in Great Falls — each line is a localized 2026 estimate, and you can click any project for the full breakdown.
| Project | Great Falls 2026 range |
|---|---|
| HVACFurnace Replacement | $4,100 – $7,350 |
| RoofingAsphalt Shingle Roof Replacement | $5,900 – $12,150 |
| Water HeatersTank Water Heater Replacement | $1,200 – $3,150 |
| WindowsVinyl Window Replacement | $5,050 – $14,950 |
| PaintingInterior House Painting | $3,750 – $11,250 |
| FlooringHardwood Flooring Installation | $5,700 – $14,200 |
| PlumbingWhole House Repipe | $3,550 – $8,000 |
| InsulationAttic Insulation | $1,550 – $6,150 |
| Complete home upgrade | $30,800 – $77,200 |
Renovating a home in Great Falls
How much does it cost to fully renovate a home in Great Falls?
Great Falls homeowners tackling a full renovation should budget $30,800–$77,200 in 2026, covering one representative project per major category, localized for local labor, climate and permits.
Which home upgrade is most expensive in Great Falls?
Budget the most for Vinyl Window Replacement ($5,050–$14,950) — the smallest line is Tank Water Heater Replacement at $1,200–$3,150.
Should I do every upgrade at once in Great Falls?
Most homeowners don't do it all in one go. Start with the systems that are failing or matter most — in Great Falls, that's often windows — then spread the remaining projects over several years to avoid one disruptive, expensive stretch.
Complete home costs in nearby Montana cities
Totals sum one representative project per category, localized to Great Falls (cold climate) using local labor price levels and permit fees. Most homeowners phase these over years — use it for planning, not a quote.