Mailbox: lifespan, maintenance and replacement
Typical lifespan: 15–25 years (about 20 years).
Maintenance schedule
- Inspect for rust or damage — Every 6 months
- Tighten mounting hardware — Annually
- Repaint or touch up — Every 3–5 years
- Clear vegetation around post — Seasonally
Signs it needs replacing
- Door won't close properly
- Significant rust or rot
- Post leaning or unstable
- Faded address numbers
- Doesn't meet USPS size requirements
Tips
USPS has specific height (41–45 inches) and setback requirements. Check before installing.