I get them to give me written permission to access property and then I call a locksmith.

This allows the landlord to quickly re-key the lock without needing to actually replace the lock cylinder itself.

**Make sure to rekey the door.

I'm kind of dragging this morning and kind of grumbly because I have to go to my farm to just to meet a lock smith.

What other steps needed before walking to the house with a locksmith to change locks.

s=hi&ie=UTF8&qid=1328745898&sr=1-5)I have a regular keyed entry for the main door, this one is almost a no-brainer as I don't want ex-tenants to have access to the common area after they move out and with 6 units, there could be a lot of rekeying.I'm thinking of setting it up as follows:Main door-8 unique codes -1 for each unit -1 "master code" that only I have -1 "maintenance code" that I can give out to contractorsEach apartment-3 unique codes -1 code matches tenants front door code -1 code is my master (this is on all doors) -1 code is maintenance code (also on all doors)Without doing much shopping around, this would cost me about $700 up front, $100 per lock.Here's my list of pros/cons...I'd love for somebody to add to itCons-High up-front cost $100 per lockPros-No lockouts-No rekey fees-No hassle for me to get in or give code to contractor-NO KEYSWhat do you think?

If you are worth more to yourself finding and closing the deals don't try and be the handyman, property manager, locksmith, landscaping contractor, plumber, and so on.

yes, any locksmith can rekeying them.  

Most court officers charge extra to change locks or they tell you you to get a locksmith. 

Amongst the information it contains is a call list for our various service providers (plumber, electrician, locksmith, etc.) - this list is also velcro'd to the inside of a kitchen cupboard.