Just moved into a new house?  Lost your house key? Then what you have to do?. Don't take a chance on that! May some people have a copy of your house keys; former tenants, realtors, contractors, or your key might be on the wrong hands in case if you lost it. Looking for the house locks to be changed is the last choice you need to think about. Not having the old key doesn't mean you have to change the locks. We at techno have advanced tools for lock re-keying, get a new key made and keeping the old lock. As we mentioned in the previous instances rekeying would be more appropriate in cost than changing the whole lock.