Dwarf Ilex cornuta cultivar

"Ilex cornuta 'Carissa' is popular with landscapers here. It's widely available, so that could be it.

Looks more like Ilex cornuta 'Needlepoint' or possibly 'Dwarf Burford' (but doesn't look glossy enough). Again, a closeup of leaves would help if you are seriously interested in a cultivar name. 'Carissa' rarely has a good berry set.

If interested in getting some of this kind for yourself ask at garden centers - they will have to be able to match your picture in order to be able to supply you with the desired item anyway. Unless you are willing to order off the web, take your chances on the identification and quality of what you are sent.

When shopping locally independent outlets are most likely to have any given plant. And somebody on hand who can assist you in zeroing in on the same exact variety. As opposed to the typically severely limited selection and service at warehouse store plant departments.