
They solve different problems. One makes the old keys stop working. The other replaces the hardware on the door. Here is how to tell which you need.
Before we touch the lock, you know what it will cost.
Call if you need someone right now. Otherwise send this and we will contact you back.
A quick way to tell which one fits your door.
Rekeying, in most cases, because the hardware stays where it is and only the inside of the cylinder changes. That is why we ask a few questions about the lock before recommending anything. When a rekey does the job, it is the answer. Before we touch the lock, you know what it will cost.

Rekey the exterior doors on the first day. You cannot know how many copies of the old keys exist, or who has them. If one of the locks also sticks or wobbles, that one is a change, and the others can be rekeyed to match it.
For keeping old keys out, yes. A rekeyed lock does not open with any key that existed before. It does not make a weak lock stronger, though.
Rekeying, in most cases, because the hardware stays on the door.
Usually, if the locks are the same type. That way one key opens all of them.
One number, answered around the clock, in English, Spanish, Russian and Chinese. Not urgent? Pick the time. Same day, later in the week or on the weekend, whatever works for you.
Answered day and night, every day of the year.
contact@locksmithkingkey.com
1050 Post St, San Francisco, CA 94109
California Bureau of Security and Investigative Services.