Chapter 17.38


17.38.010    Intent.

17.38.020    Permitted uses.

17.38.030    Conditional uses.

17.38.040    Minimum property development standards.

17.38.050    Landscaping requirements.

17.38.060    Accessory structures.

17.38.070    Walls and fences.

17.38.080    Property abutting/across a street from a residential zone.

17.38.010 Intent.

The intent of the I-1 light industrial zone is to provide for wholesale and warehousing uses as well as those industrial uses that include fabrication, manufacturing, assembly or processing of materials that are in refined form and that do not in their transformation create smoke, gas, odor, dust, noise, vibration of earth, soot or lighting to a degree that is offensive when measured at the property line of subject property. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.020 Permitted uses.

Permitted uses allowed in the I-1 zone are set forth in Table 17.38-1. Any retail sales portion of such uses shall be conducted entirely within an enclosed building. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.030 Conditional uses.

Conditional uses allowed in the I-1 zone, subject to the conditional use permit regulations, are set forth in Table 17.38-1.

Table 17.38-1

I-1 Light Industrial Zone
– Permitted and Conditional Uses 


Permitted Use1

Conditional Use2

Agricultural processing plants




Building material and lumber storage


Cabinetmaking and carpenter shops


Distributing plants (except petroleum products with flash point below 70 degrees Fahrenheit)


Electric power transformer substations


Food processing (except fish, dairy, poultry and meat products, sauerkraut, vinegar, yeast and rendering of fats and oils)


Fruit or vegetable packing plants


Ice and cold storage


Kennels, dog and cat pounds


Laboratories for research and development


Light manufacturing and assembly


Machine shops


Mechanized equipment storage and sale


Municipal waterworks


Nonhazardous material, bulk storage and related uses


Railroad yards and freight stations


Sheet metal shops


Storage building for household goods


Tractor repair shops


Trucking yard or terminal


Wholesale and warehouse uses


Towing yards and vehicle storage


Chemical manufacturing plants


Concrete products manufacturing plants


Grain milling


Treatment of wastewater


Uses involving handling, storage, or shipping


1    Other similar uses shall be allowed subject to a recommendation by the planning commission and adopted by the city council.

2    These uses shall be permitted subject to a conditional use permit.

(Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.040 Minimum property development standards.

The property development standards set forth in Table 17.38-2 and HMC 17.38.050 through 17.38.080 shall apply to all land and buildings in the light industrial zone, except that any lot shown on an official subdivision map duly approved and recorded, or any lot for which a bona fide deed has been duly recorded prior to November 15, 1977, may be used as a building site as provided in HMC 17.10.060.

Table 17.38-2

I-1 Light Industrial Zone
– Minimum Property Development Standards 

Development Standards

I-1 Light Industrial Zone

Minimum lot area

10,000 square feet

Maximum lot coverage

80 percent

Maximum building height

35 feet

Minimum lot width

100 feet

Minimum lot depth

120 feet

Minimum front yard requirement

10 feet

Minimum side yard requirement


Minimum rear yard requirement


(Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.050 Landscaping requirements.

Required front and street yards shall be landscaped to a depth of not less than 10 feet. Remaining front and street side yard areas or setbacks may be used for required off-street parking. Such landscaping shall consist predominantly of plant materials, except for necessary walks and drives. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.060 Accessory structures.

A. Accessory structures shall not be located in front of the main building.

B. Accessory structures shall meet all of the setback requirements for main buildings.

C. Porches, steps, architectural features such as canopies and eaves, and chimneys, balconies or stairways may project not more than four feet into any required yard area.

D. Accessory structures used for the selling of agricultural products shall be reviewed by the planning commission. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.070 Walls and fences.

A. All improved property shall be fenced with chain link, block wall or other type fence as may be approved by the city.

B. In any required rear or interior side yard area, a wall or fence shall not exceed six feet in height as measured from the highest grade.

C. A wall or fence adjacent to a driveway providing vehicular access to an abutting lot shall not exceed 30 inches in height within 15 feet of the intersection of said driveway and street right-of-way.

D. A solid masonry wall not less than six feet in height shall be erected along the property line (side and rear) that forms a common boundary with any residential or any commercial zone.

E. The provisions of this section shall not apply to a wall or fence required by any law or regulation of the state of California or any agency thereof. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).

17.38.080 Property abutting/across a street from a residential zone.

When an I-1 zone abuts or is situated across a street from a property in any residential zone, a minimum building setback of 100 feet shall be required from such residential zone; provided, that the 25 feet of said setback nearest the street or zone boundary line shall be landscaped, and the remainder may be used for off-street parking purposes. A three-foot-high wall or berm shall be constructed in back of the landscaped area along street setbacks. Along all other lot lines adjacent to residential zones, a six-foot-high wall shall be constructed. (Ord. 472 § 3, 2010; Ord. 441 § 1, 2000).