HomeCostGuideHome Improvement Costs in Hawaii
Labor and material costs in Hawaii run 10% above the national average, based on our regional cost index.
Updated August 2026
Hawaii-adjusted cost ranges
| Project | National range | HI estimate |
|---|---|---|
| Bathroom Remodel | $6,500–$25,000 | $7,150–$27,500 |
| Kitchen Remodel | $14,000–$48,000 | $15,400–$52,800 |
| Roof Replacement | $9,200–$18,500 | $10,100–$20,350 |
| AC Replacement | $4,800–$12,500 | $5,300–$13,750 |
| Water Heater Replacement | $1,300–$4,200 | $1,450–$4,600 |
| Flooring Installation | $2,800–$11,000 | $3,100–$12,100 |
Labor market
Among the highest-cost labor markets in the country, driven by the cost of shipping materials to the islands and a limited contractor pool.
Climate considerations
Year-round humidity, salt air, and UV exposure accelerate wear on roofing and exterior materials; hurricane exposure is a consideration in coastal construction.
Permitting
Permitting varies by county (Honolulu, Maui, Hawaii, Kauai) and can be slower than mainland jurisdictions due to import-dependent inspection scheduling.