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.
Official-source organizer
Research a specific Hawaiʻi property
Build a county-aware checklist for parcel, permit, hazard, water, wastewater, utility, and land records without uploading the address or pretending to issue an instant report.
Open the property research launcherCalculator
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 →Resource center
Cesspool & Wastewater Planning
Plan a Hawaiʻi cesspool conversion or property review with current official support links, site questions, inspection steps, and quote tools.
Open resource center →Worksheet
Cesspool Financial Support Planner
Organize the facts and documents needed to check current Hawaiʻi cesspool loan or assistance programs without predicting eligibility.
Open worksheet →Checklist
Wastewater Buyer Inspection Checklist
Prepare for a Hawaiʻi home purchase by documenting the wastewater system, records, condition, access, service history, and open questions.
Open checklist →Resource center
Catchment Water Planning
Plan catchment storage, maintenance, treatment, testing, replacement reserves, and buyer due diligence using Hawaiʻi-specific guidance.
Open resource center →Calculator
Catchment Maintenance Cost Planner
Estimate recurring filter, ultraviolet, testing, cleaning, pump, roof, gutter, and delivered-water reserves for a Hawaiʻi catchment system.
Open calculator →Checklist
Catchment Water Testing Plan
Build a household catchment maintenance and water-testing plan while keeping health decisions tied to current Hawaiʻi guidance and test results.
Open checklist →Resource center
Condo Insurance & Assessment Planning
Organize Hawaiʻi condo master-policy deductibles, HO-6 questions, assessment exposure, association records, and insurance documents before buying.
Open resource center →Calculator
Condo Deductible Exposure Planner
Model equal-share or stated-percentage condo deductible exposure and compare it with loss-assessment coverage and available cash reserves.
Open calculator →Checklist
Condo Insurance Document Checklist
Request and review the current master policy, deductibles, HO-6 requirements, budgets, reserves, assessments, minutes, and association records.
Open checklist →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.