Sacramento County Zoning Code § 404-12 Uses Permitted

a. Publicly owned and operated libraries, museums, art galleries and similar publicly owned and operated cultural uses.
b. Guest house or separate living quarters for domestic workers employed on the premises.
c. Parks, playgrounds, community centers, swimming clubs, tennis clubs and similar facilities owned or operated by a nonprofit corporation or similar entity, provided the lot area is not less than three (3) acres.
d. Golf courses.
e. Churches.
f. Colleges and universities.
g. Federal, State, County and municipally owned and operated buildings.
h. Buildings owned and operated by local agencies except as otherwise provided in this Article.
i. One (1) mobilehome or travel trailer may be used as an accessory dwelling where there is a need for close supervision of the occupants of the mobilehome or travel trailer by the occupants of the principal dwelling subject to conditions of section 3.10.3.H., 'Temporary Uses of Mobilhomes and Commercial Coaches' of this Code.
j. ON-SITE IDENTIFICATION SIGN. The Planning Commission, when granting a Conditional Use Permit, shall determine the number of on-site signs and the size, location and type of lighting

for each sign. In making this determination, the Board, in addition to other provisions relating to Conditional Use Permit, shall consider the effect any sign shall have on the general purposes of the rural Estate zones as set forth in Article 1 of this Chapter, and shall not approve any sign which exceeds twenty-four (24) square feet.