A high-quality residential kitchen faucet typically lasts between 15 to 20 years of normal daily use before internal mechanical parts wear out permanently or finish corrosion becomes excessive. While inexpensive builder-grade faucets may begin leaking or loosening within 5 to 10 years, premium solid brass-bodied fixtures often last for decades with occasional O-ring and cartridge replacements. Verification: Inspect faucet operational smoothness, handle resistance, and finish condition during annual home maintenance.
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