Earlier editions: 2026-09
Title 15 — Buildings and Construction
Sonora Municipal Code § 15.20 Building Numbers
Sonora Municipal Code · 2026-10 edition · updated 2026-10-04 · Sonora
Cite as: Sonora Municipal Code § 15.20 · Text as of 2026-10-04
15.20.010 - Placement and Size¶
A. All entrances from public streets to buildings or separate apartments in buildings shall be numbered as provided in this chapter.
B. The number of any entrance shall be placed upon, alongside or immediately above the entrance doorway visible from the street. Numbers displayed shall be a minimum height of three inches, shall not exceed a maximum height of one foot unless approved by the city council, and shall be of a contrasting color from the basic background. Where the entrance doorway is not visible from the street, such numbers shall be placed at the streetline near the driveway or entrance walkway in a position which will clearly identify the path of travel to the building entrance from the streets. The number shall correspond to the number assigned by the fire chief, or some other city official or citizen who may be appointed by a motion of the city council and authorized by them to assign such numbers in accordance with the system described in this chapter.
(Ord. 611 § 1, 1985: Ord. 239 § 1, 1952.)
15.20.020 - Placement Required; Time Limit¶
Upon any building hereafter erected, the appropriate number to any entrance shall be placed in the proper position thereon within two weeks after the building to which it belongs has been completed.
(Ord. 239 § 2, 1952.)
15.20.030 - House Numbering System; Accordance with Map¶
A. Buildings or houses in the city shall be numbered in general accordance with the map of the city, dated July, 1952, and entitled "house numbering system, City of Sonora, California," and with the lot and parcel numbers shown in the copy of the block book of the city, in two volumes entitled "house numbers, City of Sonora."
B. For those blocks, lots and parcels within the city which shall be subdivided after the ordinance codified in this chapter goes into effect, and for those streets and parcels not shown on referenced maps, the house numbers shall be assigned in general accordance with the provisions of Sections 15.20.040 through 15.20.060.
(Ord. 239 § 3, 1952.)
15.20.040 - House Numbering System; Starting Points¶
The starting point for the house numbering system of the city is the intersection of the centerlines of Washington and Jackson Streets. The centerline of Washington Street shall be known as the Washington Street base line; the centerline of Jackson Street shall, with the extension thereof in a westerly direction, be known as the Jackson Street base line.
The Jackson Street base line shall be the starting point for the numbering of all houses on streets parallel, or approximately parallel, to the Washington Street base line. Those streets or portions of streets, extending north from the Jackson Street base line shall have street names prefixed by the designation "north." Those streets or portions of streets extending south from the Jackson Street base line shall have street names prefixed by the designation "south."
The Washington Street base line shall be the starting point for the numbering of all houses on streets parallel, or approximately parallel, to the Jackson Street base line. Those streets or portions of streets extending east from the Washington Street base line shall have street names prefixed by the designation "east." Those streets or portions of streets extending west from the Washington Street base line shall have street names prefixed by the designation "west."
(Ord. 239 § 4, 1952.)
15.20.050 - House Numbering System; Even and Odd Numbers¶
On all streets, the numbers on the north side and the west side shall be even numbers, and the numbers on the south side and east side shall be odd numbers.
(Ord. 239 § 5, 1952.)
15.20.060 - Assignment of Numbers¶
One thousand numbers shall be assigned uniformly to each mile, starting with number one at the base lines. Numbering shall proceed outward from the respective base lines in each direction. For streets that do not start at the base lines, numbers shall be assigned in accordance with the actual distance, at right angles, to the appropriate base line. Numbers along curved streets, circles and diagonal streets, which are impractical to assign in general with the systems described in this chapter, shall be as determined by the city engineer with the approval of the city council.
(Ord. 239 § 6, 1952.)
15.20.070 - Violation; Penalty¶
Any person, firm or corporation failing to comply with the provisions of this chapter in numbering or causing their respective building to be numbered is guilty of a misdemeanor, and upon conviction thereof shall be fined in a sum not to exceed ten dollars.
(Ord. 239 § 7, 1952.)
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