Section 11-25-1. General. Industrial zones shall be zones classified I-1 and I-2.

[Source: Ord. 179, 1973]

Section 11-25-2. Restrictions. Every use, unless expressly exempted by these regulations, shall be so operated as to comply with the following standards:



[Source: Ord. 922, 1988]


Vibration. Every use shall be so operated that the ground vibration generated is not perceptible at any point on the boundary lines of the zone where the use is situated.


Outside Storage. Materials stored outside shall be enclosed and concealed by an opaque fence, which shall be at least six feet high and no more than eight feet in height. Materials stored shall not be visible above the height of the fence. Outside storage shall not be allowed within the required front setback.


No artificial or imitation trees, shrubs, or plants, wholly or partially made or constructed of plastic, metal, or paper, shall be erected, placed or implanted upon any property between the street and the front setback, between the street and the side setback, or, when there is no applicable setback requirement, within 100 feet of any street or highway in the City of Northglenn.

[Source: Ord. 179, 1973]


The storage or disposal of any friable asbestos material is prohibited. For purposes of this prohibition, "storage" and "friable asbestos material" shall have the meanings assigned to them in Section 10-12-3 of this Municipal Code.

[Source: Ord. 882, 1987]

Section 11-25-3. Exclusions.


The following uses and the basic production, manufacturing, or processing of the following items are excluded:


Animal byproducts.


Bone black.


Carbon black and lamp black.






Coal and coke.




Explosives, both manufacture and storage.


Fertilizers, chemical and organic.




Glue and size.


Gypsum and other forms of plaster base.






Insulation materials.








Metals, both extraction and smelting.


Milling and smelting of ores.


Paints and like products.


Paper pulp and cellulose.




Petroleum and petroleum products.


Preserving by creosoting or other pressure impregnation of wood.


Rubber, including reclaiming.


Sawmills and planing mills.


Slaughterhouses, packing houses, stockyards, and feed lots.


Sugars and starches.






Wax and wax products.


In addition to the above-listed exclusions, residences shall not be allowed except as otherwise provided herein.

[Source: Ord. 179, 1973]

Section 11-25-4. Uses-by-Right.


Warehousing and wholesaling establishments, excluding explosives.




Living quarters for custodians, guards or maintenance personnel only in connection with an industrial use being conducted on the same premises.

[Source: Ord. 179, 1973]

Section 11-25-5. Lot Requirements in Industrial Zones.


Exceptions. The following setbacks for uses allowed in all industrial zones shall apply, except where such use abuts a major arterial street or where such use abuts any other zone. In these cases, all buildings and structures shall have a front setback of 75 feet. All sides of a lot which abut a major arterial street shall be treated as frontage, and front setback requirements shall apply.

[Source: Ord. 393, 1975]


Minimum Front Setback. 50 feet.


Minimum Side Setback. None, provided that walls are located on property lines, otherwise five feet; provided, however, if rear access to the property is not available, then a 12-foot setback shall be required on one side; provided, further, that on corner lots, front setback requirements shall apply on the side street.


Minimum Rear Setback. 15 feet, which may include one-half the width of an alley.

[Source: Ord. 179, 1973]

Section 11-25-6. Architectural and Site Design Standards, Industrial Zones.


Architectural Standards, Industrial Zones.


Building Mass. Exterior walls shall be broken by recessed or projected entryways, recessed windows, use of more than one finish material, use of more than one color, use of architectural details, or such other technique or combinations of techniques so as to prevent the appearance of massive and featureless walls.


Exterior finish materials. A variety of exterior finish materials are encouraged. No material designed or manufactured as an exterior wall surface is prohibited. Smooth face concrete block, concrete panels, and metal siding may be the primary or predominant finish materials but should be used in conjunction with other materials. At least 25 % of building elevations facing public streets should be of materials other than the predominant finish material.


Accessory buildings. Accessory building visible from a public street or residential area shall be finished in the same materials as the principal building.


Building additions. These standards shall apply to additions to existing buildings. The exterior treatment of any building addition shall, as a minimum, be of the same materials as the existing structure.


Exterior Remodel. These standards shall apply to any modification to the exterior of existing buildings.


Exterior Building Lighting. Exterior building lighting shall be adequate to provide for safety and security on site. Building lighting shall be provided at all entryways and on all sides of the building. All light sources shall be screened from view of adjacent properties and public rights-of-way. A plan to reduce unnecessary lighting after business hours shall be provided.


Site standards, Industrial Zones.


Parking lots. Parking lots are preferred to the side or rear of the principle building. All areas used for the parking or storage of vehicles shall be paved with asphalt, concrete, or approved hard surface paving.


Delivery areas. Delivery areas and loading areas are preferred to the side and rear of the principle building. Where delivery and loading areas are located adjacent to a public street, their visual impact should be mitigated by use of opaque fences, walls or landscaped buffers, berms or other screens as approved.


Landscaped areas. The use of drought tolerant, water efficient landscaping is encouraged. Drip irrigation is preferred to spray irrigation. Drought tolerant turf is preferred to bluegrass. Use of native trees, shrubs and ground covers are encouraged.


Outside storage. Outside storage areas shall be located to the side or rear of the principle building.


Area Lighting. Area lighting shall be adequate to provide for safety and security on site. All light sources shall be screened from view of adjacent properties and public rights-of-way. A plan to reduce unnecessary lighting after business hours shall be provided.

[Source: Ord. 1371, 2004]