Home Improvement Costs in Hawaii | All Projects (2026)
Planning a home improvement project in Hawaii? Below is a complete breakdown of estimated costs for 13 common projects, based on 2026 data. The most expensive typical project is Solar Panel at $20,040, while Home Security System comes in at $300.
Hawaii Cost Snapshot
Projects Covered
13
Avg. Typical Cost
$9,306
Renovation Estimate
$9,957
All Home Improvement Costs in Hawaii
Sorted by typical cost, most expensive first. Click any project to see a detailed breakdown for Hawaii.
| Project | Low | Typical | High |
|---|---|---|---|
| Solar Panel | $13,360 | $20,040 | $33,400 |
| Siding Replacement | $8,125 | $18,997 | $40,805 |
| Deck Building | $6,697 | $13,394 | $26,788 |
| Roof Replacement | $10,360 | $13,320 | $17,760 |
| Childcare | $7,402 | $11,632 | $24,115 |
| Window Replacement | $6,794 | $10,596 | $19,641 |
| HVAC Replacement | $6,674 | $9,382 | $12,544 |
| Garage Door Replacement | $2,291 | $5,833 | $7,035 |
| Flooring Installation | $2,053 | $5,132 | $10,263 |
| Interior Painting | $1,527 | $4,825 | $9,769 |
| Exterior Painting | $1,704 | $4,780 | $9,437 |
| Water Heater Replacement | $2,276 | $2,751 | $8,056 |
| Home Security System | $120 | $300 | $480 |
Full Renovation Estimate for Hawaii
If you are planning a major renovation that includes a kitchen remodel, bathroom remodel, new flooring, and interior painting, here is the combined estimate for Hawaii:
Low End
$3,580
Typical
$9,957
High End
$20,032
| Included Project | Low | Typical | High |
|---|---|---|---|
| Flooring Installation | $2,053 | $5,132 | $10,263 |
| Interior Painting | $1,527 | $4,825 | $9,769 |
| Total | $3,580 | $9,957 | $20,032 |
This estimate combines kitchen remodel, bathroom remodel, flooring, and interior painting. Actual costs depend on scope, materials, and contractor pricing.
How these costs were calculated
Data sources: Bureau of Labor Statistics (OEWS), Craftsman National Estimator, NAHB permit data
Granularity: State-level averages; metro areas may vary 20–30%
See our full methodology. Report an error.