# Home renovation costs in Hawaii (2026)

> Hawaii runs about 48% above the national average for construction in 2026 (cost index 1.48, ranked #1 of 51 US states + DC).

**Quick answer:** A bathroom remodel in Hawaii costs $13,300–$26,600 in 2026. Everything ships in — Hawaii is the most expensive state to build in by a wide margin.

## 2026 cost table for Hawaii
| Project | Range in HI | Typical |
| --- | --- | --- |
| Bathroom remodel | $13,300 – $26,600 | $20,000 |
| Kitchen remodel | $21,500 – $62,200 | $41,800 |
| Roof replacement | $11,800 – $29,600 | $20,700 |
| Deck / patio | $6,700 – $17,800 | $12,200 |
| Solar install | $22,200 – $41,400 | $31,800 |
| Room addition | $71,000 – $162,800 | $116,900 |
| Interior painting | $3,300 – $9,600 | $6,400 |

Method: national mid-range cost bands × the Hawaii cost-of-construction index (1.48). Illustrative ranges, not quotes — see https://raftercost.com/how-we-price.

## West comparison (cost index)
- California: 1.32 — https://raftercost.com/costs/california
- Alaska: 1.27 — https://raftercost.com/costs/alaska
- Washington: 1.19 — https://raftercost.com/costs/washington
- Oregon: 1.14 — https://raftercost.com/costs/oregon

## Get an exact price
- Up to 3 free quotes from vetted Hawaii pros: https://raftercost.com/quotes
- Adjust any project for size and finish: https://raftercost.com/calculators

Source: https://raftercost.com/costs/hawaii