Calculator
True Monthly Homeownership Cost
Combine the mortgage with property tax, insurance, association fees, utilities, maintenance, pest control, and a repair reserve.
Open calculator →No login · practical Hawaiʻi planning
Tools for the decisions around the calculator.
Estimate complete ownership costs, organize due diligence, compare contractor scopes, and maintain the systems that make Hawaiʻi homes different.
Calculator
Hawaiʻi Home Closing-Cost Calculator
Estimate the down payment, lender and escrow costs, inspections, appraisal, prepaids, and total cash needed at closing.
Open calculator →Checklist
Hawaiʻi Homebuyer Due-Diligence Checklist
Work through title, permits, hazards, insurance, utilities, cesspool or septic, catchment, roads, and inspection documents.
Open checklist →Guide
Buying a Catchment Home in Hawaiʻi
Inspect the tank, roof, gutters, filtration, disinfection, pump, pressure system, water quality, and maintenance records.
Open guide →Guide
Hawaiʻi Cesspool Conversion Homeowner Guide
Understand the planning sequence, site questions, written-scope comparisons, cost uncertainty, and records to collect.
Open guide →Checklist
Before Buying Land in Hawaiʻi
Check legal access, survey, slope, rock, drainage, utilities, wastewater, setbacks, hazards, permits, and realistic sitework costs.
Open checklist →Worksheet
Contractor Quote Comparison Tool
Normalize three bids by adding allowances and owner-paid exclusions so the cheapest-looking proposal does not hide the highest risk.
Open worksheet →Calendar
Hawaiʻi Home Maintenance Calendar
Track recurring roof, gutter, termite, moisture, catchment, AC, solar, hurricane, and emergency-supply tasks throughout the year.
Open calendar →Why these exist
The expensive surprise is often outside the advertised number.
- Include recurring costs and repair reserves.
- Turn vague questions into document requests.
- Compare written scopes, not sales totals.
- Keep useful checklists in the browser without creating an account.