For non active lots you can set the front door by doing the following.
Sims 3 lock doors mod.
Using the unlockcommunitydoors command will no longer unlock doors on tomb lots.
To lock an arch you must target the arch itself not the blank space in between.
Door door.
This script mod will allow you to lock doors and gates on community lots.
On residential lots with the simpicker you can choose up to 20 sims including sims who are not in the household to unlock lock the door for.
Once a lock type is set disabling and re enabling the lock will.
This mod is compatible with patches 1 66 1 67.
Im sure if you ask arond the people who make realy good sims downloads you might find a sims 3 version of it or someone willing to give it a shot.
16 september 2013 updated to v6.
This script mod will allow you to lock doors and gates on community lots.
To lock a door or gate just click on it and enable lock.
Needless to say this door is not effective in two door bathroom layouts.
The sims 2 featured a download on a unofficial site that was a 5 lock bank door were a sim with a key could lock and unlock it but people without one couldent.
Click on a door choose lock door for and select who you want to keep out.
Click on the door and navigate the menu nraas debug enabler options.
Unlock lock doors for chosen sims this little tuning mod adds a simpicker to the unlock door pie menu.
Sims can now lock their doors.
Any time you want you can use the door s menu to lock or unlock it if the sims have messed things up in this way but it s not necessary it will sort itself out when the last of the bunch leave.
Or you can unlock the door.
To change the lock style click on a locked door and select a new lock type.
Using this command will instantly unlock all doors and gates on community lots except those on tomb lots.
Set as front door you can do this on both residential and commercial lots.
The door has the additional bonus of stopping toddlers entering by.
New locks will default to locking the door for all sims.
Ever send your sims on a fabulous honey moon only to be constantly interrupted by nosy relatives and neighbors.