Whole-home
What does it cost to fully upgrade a home in Union City, CA? (2026)
Union City · full-home upgrade
$35,000 – $87,700
Estimated total to modernize the major systems of a typical Union City home, localized to your area.
Few homeowners do everything at once — but if you're planning a full modernization in Union City, here's how the major projects add up. Each line is a localized 2026 estimate; click any project for the full breakdown.
| Project | Union City 2026 range |
|---|---|
| HVACFurnace Replacement | $4,450 – $8,000 |
| RoofingAsphalt Shingle Roof Replacement | $6,650 – $13,600 |
| Water HeatersTank Water Heater Replacement | $1,400 – $3,600 |
| WindowsVinyl Window Replacement | $5,650 – $16,650 |
| PaintingInterior House Painting | $4,500 – $13,500 |
| FlooringHardwood Flooring Installation | $6,650 – $16,600 |
| PlumbingWhole House Repipe | $4,050 – $9,150 |
| InsulationAttic Insulation | $1,650 – $6,600 |
| Complete home upgrade | $35,000 – $87,700 |
Totals sum one representative project per category, localized to Union City (mixed climate) using local labor price levels and permit fees. Most homeowners phase these over years — use it for planning, not a quote.