Do your neighbors have satellite and/or internet antennas? If so an outdoor antenna solution could be the Tripleplay antenna,
www.tripleplayantenna.com.
This is a real antenna that has the electrical characteristcs similar to the DB4 inside an all fiberglass panel that resembles a small dish or internet antenna, just 10 1/2" X 12". Many have been installed in areas with strict HOA with no problem.