Permits

City of Portland…http://www.portlandoregon.gov/bds/article/92685

Zoning

City of Portland…http://www.portlandoregon.gov/bds/article/411745

Setbacks, Coverage, Lot Size

City of Portland…http://www.portlandoregon.gov/bps/article/64609

Hazardous materials

lead…http://www2.epa.gov/lead/renovation-repair-and-painting-program
asbestos…http://www.deq.state.or.us/aq/asbestos/house.htm
mold…http://public.health.oregon.gov/healthyenvironments/environmentalexposures/
toxicsubstances/pages/mold.aspx

Tax lots, prior permits, water/sewer, urban growth boundary,…

www.portlandmaps.com/

Historic and Conservation Districts

City of Portland…https://www.portlandoregon.gov/bps/article/133983