Dwarf hinoki. Could be an unnamed seedling or a named cultivar, what is more likely depends on the history of the gardening activity there - if everything came from garden centers or a landscape contractor was involved it will most likely be an example of a named cultivar. Rather than moving Heaven and Earth trying to discover which particular cultivar it is an example of before shopping - if buying one is the objective - it would be more practical to visit nurseries displaying assortments of dwarf hinoki, seeing if they have any you like. This is because it may turn out to be very difficult to get a precisely accurate name for this one - and really you are left with what retailers there have anyway, when it comes time to buy. Unless you buy online.

Stock found on the general market as 'Nana' - but probably in reality clones of 'Nana Gracilis' - might be fairly similar. The plant shown here looks like it has been opened up by shading.

i was going to add.. it probably would be more yellow in more sun ... which reinforces embos last thought .. ken

Yeah, I knew dwarf Hinoki- was hoping for a variety. But the 'Nana Gracilis' photos look close enough, so I'm happy. Thank you! Yes, it was in a very shady spot. Owner was primarily focused on her cutting garden and used sprigs of this as filler in her bouquets. Eek.

"it would be more practical to visit nurseries displaying assortments of dwarf hinoki, seeing if they have any you like."

Ha- this is rural eastern Kentucky- nurseries here have Green Giants, Smaragds, Blue Point junipers, and dwarf Albertas :) If one is lucky you might find a Blue Rug or (gasp!) Hick's Yew. Yes, I exaggerate, but not by much. The thought of finding any dwarf Chamaecyparis locally is laughable.

Nearly everything I have- conifers, shrubs, trees, perennials, hostas, Japanese Maples, at least a good 95% of everything- was purchased online. I'll find one.

Looks very much like a 'Kosteri' to me.

I thought of that one also. But the habit of example shown is shade influenced. Questions like this often need in person comparison with labeled examples to be resolved, with variations in growth resulting from planting site conditions, positions of cuttings or scions on stock plants, and vigor of root-stocks used being known to occur.