Research Neighborhoods 

www.portlandmaps.com  -City of Portland sponsored site.Find property tax info, schools,crime maps, permit information on specific properties. A must see site for any property you are considering buying within PDX city limits.
www.deq.state.or.us/lq/tanks/hot  -Find information on underground oil
oil tanks, decomissioning and more.Department of Environmental Quality site.
www.portlandconnected.com - Learn about neighborhoods, how the city is laid out, and much more.
www.walkscore.com - Rates "walkability" of local neighborhoods by property address ; scores based on available shopping, parks, schools & services.