New Homeowner Checklist: 20 Things to Do in the First 90 Days

Safety first (Week 1)

These can't wait.

• ✓Replace all exterior door locks -- you don't know who has copies of the old keys
• ✓Locate and test every smoke detector; replace batteries
• ✓Install carbon monoxide detectors on every level if not present
• ✓Find the main water shutoff valve and test that it turns
• ✓Find the main electrical panel and label every breaker
• ✓Locate the gas shutoff valve

Understand your systems (Month 1)

Know what you have before something breaks.

• ✓Identify the age and model of your HVAC system
• ✓Check the water heater age and condition
• ✓Find the sump pump (if applicable) and test it
• ✓Locate and document all clean-outs and shutoffs
• ✓Test every GFCI outlet (bathrooms, kitchen, garage, exterior)
• ✓Change the HVAC air filter and note the size

Inspect and document (Month 2)

Create a baseline record of your home's condition.

• ✓Walk the roof after a rain and look for leaks in the attic
• ✓Inspect the basement or crawlspace for moisture and cracks
• ✓Check caulking around all tubs, showers, and windows
• ✓Test all windows and doors for proper operation
• ✓Look for signs of pest activity in basement and attic
• ✓Check that all bathroom and kitchen vents actually exhaust outside

Set up maintenance cadence (Month 3)

A little maintenance prevents major repairs.

• ✓Schedule HVAC professional tune-up if not done recently
• ✓Clean dryer vent duct (lint buildup causes fires)
• ✓Flush water heater tank to remove sediment
• ✓Set up reminders for filter changes, gutter cleaning, and seasonal checks

Bottom line

The homeowners who prevent major repairs are the ones who spend 2-3 hours per month on maintenance. Build the habit in the first 90 days and you'll spend far less on emergency repairs over the life of the home.