CalPolygardener said: to the site Luka!
The picture is really too fuzzy to know for sure, but it looks like a Purple-leaf Plum, Prunus ceracifera.
If ou could get a close-up of the foliage and stems it would make it easier to be certain.
sallyg said: Once you take over, closer photos will do it. They might take some thinning and pruning up at least.
CalPolygardener said: Pruning is not "required" for good tree health and should be done for a purpose other than "it's time to prune".