Typical project costs for Hawaii.
Renovation costs in Hawaii run about 150% of the national average. A mid-range kitchen runs ~$37,500, a bathroom ~$18,000, and a full remodel ~$165/sqft.
Labor is the biggest local variable. Price your specific project in the renovation cost calculator, kitchen, bathroom or roof calculators.
Reserve ~15% for surprises, get at least three local quotes, and keep plumbing/structural layouts where possible to control cost.