Please call the hotline if you see graffiti on walls, curbs, signs, etc.
The city usually responds pretty quickly.
877-786-7824
(714) 245-8665
Also, you can now make a police report online on their E-Police Reporting, check out the website for more details and guidelines: http://www.ci.santa-ana.ca.us/pd/epolice.asp
To report on any unsightly exterior conditions such as: poor landscaping, overcrowding, broken windows, overgrown yards, inoperable vehicles, etc.
Phone: 714-667-2780
More info at: http://www.ci.santa-ana.ca.us/pba/ResidentialEnforcement.asp