The City has published a list of numbers to call for various issues, such as abandoned property, bees, housing assistance, and so on:
Master Reference Guide
More information from the 1/13/16 Quicklook:
Making good Customer Connections is now even easier with the introduction of the Master Reference Guide - the latest tool to put information about “all things Chandler” right at your fingertips!
The Master Reference Guide is an alphabetical listing of common issues. The guide lets you look up information by topic, in a variety of ways.
Find the guide on the "Find It Fast" page on Chanweb (in the Links box on the right side of the home page).