Just trying to get 3 security doors to have the same key

A landlord from San Leandro, CA says:
April 3, 2017
Hi,
I'm attaching the inside and outside of one of three security doors that I have. I'd like to have them all use the same key instead of three different keys. Is that possible and if so, what would I have to do to make that happen?

Thank you,

Michele S

PS - I was too afraid to remove them and not get them back together, so hope you can help me by looking at these installed pics.
User submitted photos of security door hardware.
Profile picture of Tom
Tom from SWISCO responded:
April 6, 2017
Thanks for posting. This handle set looks a lot like our 40-214, however we are not able to provide these keyed alike. I would recommend contacting a locksmith in your area. If you do decide to purchase our 40-214, tell the locksmith it uses a YALE Y-1 key.
Security Door Lever Mortise Lock Set
Security Door Lever Mortise Lock Set
40-214
$95.97
How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
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How to install the 40-214 Security Door Lever Mortise Lock Set
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