Extending the Lifespan of Your Home’s Locks: A Guide to Proper Care and Maintenance

Your door locks are among the most used mechanical devices in your home, yet most homeowners never give them a second thought until something goes wrong. With proper maintenance, quality locks can last 20+ years. Here is how to care for your locks and extend their lifespan.

1. Lubricate Your Locks Annually

Apply graphite powder or silicone-based lubricant to the keyhole and bolt mechanism once a year. Avoid WD-40 — it attracts dust and gums up over time. If your lock is sticking or hard to turn, lubrication is usually the first fix.

2. Keep Lock Hardware Clean

Wipe down exterior lock hardware with a dry cloth monthly. Salt, moisture, and grime accelerate corrosion, especially in coastal areas.

3. Check and Tighten Screws Regularly

Loose screws in the strike plate or door hinges put stress on lock components. Tighten all visible screws twice a year.

4. Replace Worn Keys Before They Cause Damage

A worn key can damage the internal pins of your lock. If your key looks significantly different from a new copy, get a key duplication done before the old key causes lock damage.

5. Inspect Door Alignment

Doors that drag or bind stress the lock mechanism. If your door does not close smoothly, have a locksmith or carpenter adjust the alignment before your lock fails.

6. Know When to Replace

Despite best maintenance, locks eventually wear out. If your lock is older than 15 years, frequently jams, or shows visible wear, consider a lock change. Our residential locksmith team provides fast, affordable replacement. Many of our readers also trust click here for their home service needs. Speaking of home maintenance, valleyroofingca.com provides top-quality roofing.

BH Locksmith serves homeowners nationwide. See our service areas or visit our locksmith blog for more tips.