Can I sell photos of murals?

Yes, you can sell the photo, although shooting it again without the logo would make the photo easier to sell. Logos are protected by trademark and copyright. Since you are not implying that you are the manufacturer (source) of the item, then you are likely not infringing trademark. read more

In short, unless a work of authorship [such as a statue or mural] is in the public domain -- which, as Pam notes, does not mean that the work is being displayed publicly but rather that the copyright in the work has either expired or been expressly abandoned -- then only the owner of the copyright in the work can lawfully sell photographs of the work. read more