What does it cost to fully upgrade a home in Altadena, CA? (2026)
A localized estimate to bring a typical Altadena home's major systems up to date.
If you're mapping out a full modernization in Altadena, here's how the pieces add up — localized 2026 estimates for each major project, with a full breakdown one click away.
| Project | Altadena 2026 range |
|---|---|
| HVACFurnace Replacement | $4,400 – $7,900 |
| RoofingAsphalt Shingle Roof Replacement | $6,550 – $13,400 |
| Water HeatersTank Water Heater Replacement | $1,350 – $3,550 |
| WindowsVinyl Window Replacement | $5,550 – $16,400 |
| PaintingInterior House Painting | $4,450 – $13,300 |
| FlooringHardwood Flooring Installation | $6,550 – $16,350 |
| PlumbingWhole House Repipe | $4,000 – $9,000 |
| InsulationAttic Insulation | $1,650 – $6,500 |
| Complete home upgrade | $34,500 – $86,400 |
Renovating a home in Altadena
How much does it cost to fully renovate a home in Altadena?
Altadena homeowners tackling a full renovation should budget $34,500–$86,400 in 2026, covering one representative project per major category, localized for local labor, climate and permits.
Which home upgrade is most expensive in Altadena?
Budget the most for Hardwood Flooring Installation ($6,550–$16,350) — the smallest line is Tank Water Heater Replacement at $1,350–$3,550.
Should I do every upgrade at once in Altadena?
Phasing is the norm — prioritize failing or high-impact systems first (flooring tends to be the biggest line in Altadena), then tackle the rest over a few years. It's easier on the budget and lets you get competitive local quotes for each job.
Complete home costs in nearby California cities
Figures here sum one representative project per category, adjusted for Altadena's mixed climate and local labor/permit costs. It's a planning estimate, not a quote — expect to phase this over several years.