I could not find ANYTHING concerning weapons in Brentwood other than what concerns their discharge. Maybe someone else could help.
I did, however, find this gem:
So....there will be absolutely NO visions of the future allowed.Sec. 13-206. Fortunetelling.
The practice of fortunetelling by palmistry, astrology, phrenology, clairvoyance or other methods is hereby prohibited.
(Code 1969, Â§ 25-19)