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Chapter 30 — ADDRESS NUMBERING SYSTEM

Solano County Municipal Code Art. II Numbering System

Solano County Municipal Code · 2026-09 edition · updated 2026-10-04 · Solano County

Cite as: Solano County Municipal Code Article II · Text as of 2026-10-04

30-20 Assignment of numbers

(a) The director of environmental management shall determine and assign all address numbers to single-family dwellings, duplex residences, properties and business establishments and issue the same to property owners and occupants in accordance with the provisions of this chapter. A record of all numbers assigned pursuant to this chapter shall be maintained by the director of environmental management and open for inspection by the public during business hours.

(b) Multiple units within a residential or commercial building shall be identified with an alphabetical or numerical suffix and shall be classified: apartment, suite, unit or other classification as determined to be appropriate by the director of environmental management.

(c) An address number for a particular location shall be assigned to the principal access based on the incremental distance between index grid lines as determined by the director of environmental management.

(d) Odd numbers shall be assigned to the westerly and northerly sides of all roads and even numbers assigned to the easterly and southerly sides of all roads.

(e) The predominant direction of curving and diagonal roads and applicable index increments shall be determined by the director of environmental management.

(f) Address numbering exceptions may be granted where general and existing numbering integrity is otherwise preserved and numbering confusion is not likely to result.

(Ord. No. 1064, §1; Ord. No. 1182, §2; Ord. No. 1508, §4.)

30-21 Display of numbers

(a) Upon receipt of the address number from the director of environmental management, the occupant or owner of the property or building shall cause the number to be displayed upon the building or land in such a manner as to be visible from the road upon which the land or building fronts, and shall remove or obscure from public view any old or obsolete number not in accordance with the system.

(b) In areas where buildings and/or properties front upon roads where mail delivery is provided, the number shall be displayed upon mailboxes or receptacles designed for receipt of mail.

(c) Where residences and/or properties front upon roads not receiving mail delivery, the number and road name upon which the building and/or property fronts shall be displayed to the satisfaction of the director of environmental management.

(d) Where residences and/or property are not clearly visible from the road, access identification other than mailboxes shall be on 4" x 4" wood posts, metal stakes or equivalent markers elevated at least three feet for clear visibility and rapid directional identification to the satisfaction of the director of environmental management.

(e) Residence and/or building address number shall be conspicuous to insure positive identification and placed at front doors, on lamp posts, near garage doors, at driveway entrances or other areas of similar proximity and visibility to the satisfaction of the director of environmental management.

(f) All address numbers shall be a minimum height of three inches, reflective and/or a color contrasting with the surface where placed.

(Ord. No. 1064, §1; Ord. No. 1182, §3; Ord. No. 1508, §5.)

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