Earlier editions: 2026-09
Chapter 6 — BUILDING REGULATIONS.
Colusa Municipal Code Art. I In General
Colusa Municipal Code · 2026-10 edition · updated 2026-10-04 · Colusa
Cite as: Colusa Municipal Code Article I · Text as of 2026-10-04
Sec. 6-1. - Fire zones designated.¶
(a) Generally. For the purpose of decreasing the hazard from fire and for the protection of property therefrom the entire city is hereby declared to be, and is hereby established as, a fire district, and such fire district is divided into zones designated fire zones one, two and three.
(b) Fire Zone One. Fire zone one shall include all areas in the city designated C-2 central business district and C-3 general commercial district as such districts are defined and specified in the zoning regulations of the city.*
(c) Fire Zone Two. Fire zone two shall include all areas in the city designated R-3 neighborhood apartment district, R-4 general apartment district, C-1 neighborhood business district, C-2-F central business district (special highway frontage district), C-3-F general commercial district (special highway frontage district), and M-1 light industrial district, as such districts are defined and specified in the zoning regulations of the city.
(d) Fire Zone Three. Fire zone three shall include all areas in the city designated as R-1 single-family residence district and R-2 two-family residence district, as such districts are defined and specified in the zoning regulations of the city.
(e) Applicability. Buildings or structures hereafter erected, constructed, moved within or into any of such fire zones shall be subject to the provisions and restrictions set forth in Chapter 16 of Part IV of the Uniform Building Code, as adopted by this chapter.
(Ord. No. 235, §§ 1 to 5.)
* See Appendix A to this Volume.
Sec. 6-2. - Height of building foundations above curb—Generally.¶
No residential building shall be constructed on any property within the city with a foundation, the top of which is less than twelve inches above the curb of the street in front of such property. Where no curbs exist, the elevation that the top of the curb will have when curbs and gutters are installed in the future shall be obtained from the city engineer and no building shall be constructed with a foundation, the top of which is less than twelve inches above such elevation.
(Ord. No. 230, § 1.)
Sec. 6-3. - Same—Residential buildings with slab floors.¶
In cases where slab floors are to be constructed as the foundation of a residential building, no residential building shall be constructed on any property within the city with the top of such slab floor being less than seven inches above the top of the curb of the street in front of such property. Where no curbs exist, then the elevation the top of the curb will have when curbs and gutters are installed in the future shall be obtained from the city engineer, and no slab floor shall be constructed the top of which is less than seven inches above such elevation. In the case of garages or carports which are to be entered from an alley, no garage or carport shall be constructed having a slab floor the top of which is less than three inches above the finish grade of the alley designated by the city engineer.
(Ord. No. 230, § 2.)
Sec. 6-4. - Same—Commercial buildings with slab floors.¶
In cases where slab floors are to be constructed as the foundation of a commercial building, the elevation of the slab floor above the curb of the street in front of the property on which such commercial building is being constructed shall be an elevation determined by the following formula:
One-fourth inch of elevation above the curb for each foot of distance between the curb and the property line and one-eighth inch of elevation for each foot of distance between the property line and edge of the slab floor.
In no case shall the slab floor be constructed less than four inches above the top of the curb. Where no curbs exist, the location and elevation shall be obtained from the city engineer, and such location and elevation shall be used to determine the elevation of the floor slab.
(Ord. No. 230, § 3.)
Sec. 6-4.1. - Repealed.¶
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