Though it is hard to tell from this image (you don't have anything closer do you?). It's possible that this is Podarcis muralis, European Wall Lizard. They are introduced and have established themselves in areas in Canada and in other places in North America.
Here is some info:
http://www.bcreptiles.ca/lizards/eurowall.htm
Some images:
http://3.bp.blogspot.com/-HYGrMXJyXqk/UG9QFB56enI/AAAAAAAAU0c/6AnH3zsZRSc/s1600/European+Wall+Lizard,+Podarcis+muralis+4953.jpg
http://www.parnitha-np.gr/photo_gallery/panida/Podarcis_muralis.JPG
See what you think.
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