Chapter 30 — ADDRESS NUMBERING SYSTEM
Solano County Municipal Code Art. I General Provisions and System Descriptions
Solano County Municipal Code · 2026-09 edition · updated 2026-10-04 · Solano County
Cite as: Solano County Municipal Code Article I · Text as of 2026-10-04
30-10 Purpose
This chapter is adopted to provide a county-wide comprehensive address numbering system to enable emergency vehicles from fire, sheriff and ambulance service to respond quickly to calls and to facilitate postal and other delivery service. A positive identification system that eliminates error and confusion and aids prompt response is deemed to be in the public interest and necessary to protect the public health, general welfare and safety of the citizens of Solano County and is authorized pursuant to Sections 65450 and 65451(b) of the Government Code.
30-11 System description
The Solano County master address numbering system shall consist of index lines corresponding to the California Plan Grid (C.P.G.) within Solano County. The C.P.G. point identified as 147,000N 1,939,000E is established as the point of origin of the Solano County master address numbering system and assigned the grid reference number 1000. Fifty numbers shall be located sequentially for each 1,000-foot C.P.G. increment to the north and to the east from the point of origin.
(Ord. No. 1064, §1; Ord. No. 1508, §1.)
30-12 System maps
The Solano County master address numbering system shall be delineated on a series of maps at a scale of 1" = 1000'. The maps shall show the one-thousand-foot grid index system and the address numbers assigned residences, buildings, or parcels of land. Maps at a scale other than 1" = 1000' may be substituted in areas requiring greater precision or graphic clarity. Copies of the maps shall be kept at the office of the Solano County department of environmental management.
(Ord. No. 1064, §1; 1508, §2.)
30-13 Administration
The system shall be implemented within the unincorporated areas of Solano County by the director of environmental management for address numbering and the initial naming of new roads, and by the director of transportation for the installation of road name signs and for the renaming of existing roads. Technical assistance and information shall be mutually exchanged among all county departments as may be required in carrying out the provisions of this chapter. Funds collected from fees for road sign installation pursuant to this chapter, shall be maintained in the road fund by the department of transportation.
(Ord. No. 1064, §1; Ord. No. 1069, §1; Ord. No. 1182, §1; Ord. No. 1508, §§1, 2, 3.; Ord. 1508, §3)
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