Whole-home
What does it cost to fully upgrade a home in Sunnyvale, CA? (2026)
Sunnyvale · full-home upgrade
$39,150 – $98,400
Estimated total to modernize the major systems of a typical Sunnyvale home, localized to your area.
Few homeowners do everything at once — but if you're planning a full modernization in Sunnyvale, here's how the major projects add up. Each line is a localized 2026 estimate; click any project for the full breakdown.
| Project | Sunnyvale 2026 range |
|---|---|
| HVACFurnace Replacement | $5,000 – $8,950 |
| RoofingAsphalt Shingle Roof Replacement | $7,400 – $15,250 |
| Water HeatersTank Water Heater Replacement | $1,500 – $3,950 |
| WindowsVinyl Window Replacement | $6,250 – $18,500 |
| PaintingInterior House Painting | $5,150 – $15,450 |
| FlooringHardwood Flooring Installation | $7,450 – $18,700 |
| PlumbingWhole House Repipe | $4,550 – $10,250 |
| InsulationAttic Insulation | $1,850 – $7,350 |
| Complete home upgrade | $39,150 – $98,400 |
Totals sum one representative project per category, localized to Sunnyvale (mixed climate) using local labor price levels and permit fees. Most homeowners phase these over years — use it for planning, not a quote.