CHAPTER 11
CITY OF NORTHGLENN ZONING ORDINANCE

ARTICLE 7
RESIDENTIAL ZONES

Section 11-7-1. General. Residential zones shall be zones classified R-1, R-1-A, R-1-B, R-1-C, R-2, R-3, R-3-A, and R-4.

[Source: Ord. 179, 1973]

Section 11-7-2. Restrictions. The following restrictions shall apply in all residential zones of the City:

(a)

No junk shall be stored outdoors.

(b)

Reserved. (Ord. 1734, 2017)

(c)

On corner lots, no shrub, tree, flower, other plant, fence, or structure more than thirty (30) inches above the level of the flow line or the roadway or street shall be permitted within a triangle measured from the point of intersection of the flow lines abutting the streets a distance of twenty-five (25) feet along each such flow line.

(d)

Storage of fireworks is prohibited.

(e)

Reserved. (Ord. 1734, 2017)

(f)

No more than thirty (30) percent of the area to the rear of the principal building may be occupied by accessory buildings.

(g)

The keeping of ducks, geese and other poultry (excluding chickens), cattle, horses, mules, goats, sheep, pigs, hooved animals and other domestic or bovine animals, other than birds kept indoors as pets is prohibited. The keeping of dogs, cats, rabbits, chickens, bees and certain other pets is permitted and is governed by Chapter 14 of this Code.

(h)

Garages and carports, attached and detached, shall have a Portland Cement concrete or paving stone, driveway for vehicle access from the adjacent public street. Asphalt shall not be used as a hard surface material for single-family residential driveways or parking surfaces. The required driveway shall be completed before the final building inspection is performed. In no event shall any vehicles, materials, tools or equipment be stored inside a garage or under a carport until the required driveway is completed.

(i)

Those tree species prohibited in section 11-6-13 (b) (1) shall not be planted or allowed to propagate in any residential areas.

(j)

Reserved. (Ord. 1734, 2017)

[Source: Ord. 823, 1986; 1337, 2003; 1411, 2005; 1423, 2006; 1488, 2007; 1547, 2009; 1734, 2017]

Section 11-7-3. Restrictions -- Vehicles. The following restrictions shall apply in all residential zones of the City:

(a)

Reserved. (Ord. 1734, 2017)

(b)

Reserved. (Ord. 1734, 2017)

(c)

Reserved. (Ord. 1734, 2017)

(d)

Reserved. (Ord. 1734, 2017)

(e)

Reserved. (Ord. 1734, 2017)

(f)

Reserved. (Ord. 1734, 2017)

(g)

Reserved. (Ord. 1734, 2017)

(h)

No more than forty percent (40%) of the area in front of the front line of the principal building shall be hard surfaced as defined in Section 11-5-2(b)(67) and used for the purpose of parking or storing any vehicle.

(i)

Reserved. (Ord. 1734, 2017)

(j)

The prohibition contained in Subsection 9-11-28.5(a)(2) shall not apply to vehicles parking on driveways existing on May 1, 2003. However, anyone replacing an existing driveway or hard surfaced area must comply with the definition of hard surfaced in Section 11-5-2(b)(67) and as to driveways the requirements of Section 11-7-2(h).

(k)

Reserved. (Ord. 1734, 2017)

[Source: Ord. 1337, 2003; 1411, 2005; 1474, 2007; 1487, 2007; 1734, 2017]

Section 11-7-4. Exceptions to Restrictions. The restrictions provided by Section 11-7-2 and 11-7-3 of this Article shall be subject to the following exceptions:

(a)

(a) Reserved. (Ord. 1734, 2017)

(b)

A school bus or church bus may be stored or parked on property used for school or church purposes.

(c)

A school bus may be parked near the residence of an authorized driver between the hours of 8:00 a.m. and 5:00 p.m. provided that the bus is parked in such a position that it does not create a traffic hazard by obstructing the vision of motorists or otherwise interfering with the flow of traffic.

(d)

REPEALED.

(e)

REPEALED.

[Source: Ord. 583, 1980; 1307, 2002; 1337, 2003; 1734, 2017]

Section 11-7-5. Definitions of Parking and Storage. For the purposes of this Article:

(a)

The term "parked" shall mean placed or left standing for any period of time.

(b)

The term "stored" shall mean parked for a period in excess of five (5) consecutive days.

[Source: Ord. 357, 1975]

Section 11-7-6. Uses-by-Right. The following uses shall be uses-by-right in all residential zones:

(a)

Single-family dwellings.

(b)

Gardening and other cultivation of land.

(c)

Foster family care.

(d)

Daycare homes as defined in Section 11-5-2(b)(43.1) of the Municipal Code of the City of Northglenn, and family care homes as defined in Section 11-5-2(b)(58.2) of the Municipal Code of the City of Northglenn, provided such homes are licensed according to State regulations or statutes as now in effect or hereafter amended.

(e)

Care homes for elderly persons, as defined in Section 11-5-2(b)(24) of this Chapter.

(f)

Occasional care of children, with or without compensation.

(g)

Home occupations as defined in Section 11-5-2(b)(69) and meeting the following criteria:

(1)

No more than one employee allowed. A home occupation shall be conducted by family members residing in the home. No more than one non-family member may be employed in a home occupation.

(2)

Not visible to neighborhood. No evidence of a home occupation shall be visible outside the principal building except for one wall or window sign no larger than one (1) square foot in size.

(3)

Use of motor vehicles and trailers. Only one (1) motor vehicle used to conduct a home occupation may be kept at the home. A motor vehicle used to conduct a home occupation shall not exceed ten thousand (10,000) pounds carrying capacity. When not being loaded or unloaded, any trailer(s) used to conduct a home occupation shall be stored in a garage or behind an opaque fence not less than six (6) feet in height so as not to be visible from any other public or private property.

(4)

Detached sheds or garages. A home occupation shall be conducted entirely within the principal building on the site (dwelling unit and attached garages). Detached structures such as garages or sheds may be used only for the storage of tools, materials, supplies, trailers or vehicles. No manufacturing, construction, fabrication, or assembly related to a home occupation shall occur within any detached structure. A detached structure shall not be used as an office, meeting room, display area, or to provide any service related to a home occupation.

(5)

No activity outside. No activity or storage related to the home occupation shall be allowed outside. The principal building except for the one (1) motor vehicle and trailer as described above in section (g)(3).

(6)

Customer hours limited. Customers or clients of a home occupation may come to the home only between the hours of 7:00 a.m. and 10:00 p.m.

(7)

Customer parking restrictions. Vehicle parking for customers or clients of a home occupation shall be provided on the site of the home occupation or on that portion of the street adjacent to the lot used for the home occupation.

(8)

Delivery vehicles limited. Deliveries to the home associated with a home occupation may only be made between the hours of 7:00 a.m. to 7:00 p.m., and may only be made by vehicles which weigh less than 7000 pounds gross vehicle weight, and have no more than one (1) rear axle.

(9)

Noise disturbance prohibited. Any noise caused or generated by conduct of a home occupation shall not create a noise disturbance, as defined in the City's Noise Control Ordinance. Nor shall such noise be audible at any time beyond the property boundary of the residence where the home occupation is conducted.

(10)

Public nuisance prohibited. No home occupation shall create a public nuisance as defined in the Northglenn Nuisance Ordinance.

(11)

Hazardous materials restricted. No hazardous material, as listed in the Uniform Fire Code as that code may be amended from time to time, may be used or stored in conjunction with a home occupation except with the prior approval of both the Fire Marshall of the North Metro Fire Rescue District and the Chief Building Official of the City of Northglenn.

(12)

Sale of merchandise restricted. A home occupation shall not include sale of goods or merchandise, either wholesale or retail, at the residence in which the home occupation is conducted, except for home crafts and art works created at the home, items which are provided in support of the provision of a home occupation service, and eggs and honey from the licensed keeping of chickens and bees, in accordance with the Colorado Cottage Foods Act.

(13)

Tax license required. A sales and use tax license is required for all home occupations.

(14)

Other regulation. Home occupations shall be conducted in compliance with all other applicable regulations of the State of Colorado, City of Northglenn, North Metro Fire Rescue District, and the Tri-County Health Department.

(15)

Motor vehicle service prohibited. No motor vehicle service, repair, maintenance, reconstruction, restoration, cleaning, sale, or storage shall be conducted as a home occupation. This restriction shall not be interpreted to preclude any of these activities for vehicles owned and used by the residents of the home as their personal automobiles.

(16)

Other home occupations. Other home occupations which cannot be conducted in conformance with these limitations may be permitted with a special use permit as provided in Section 11-31-3.

(17)

If the home occupation is not permitted in the zone where it is located, the use shall be deemed a nuisance and abated pursuant to Section 9-11.

(h)

Yard or garage sales as defined in Section 11-5-2(b)(192) of the Municipal Code of the City of Northglenn, subject to the following conditions:

(1)

No more than two (2) yard sales shall be held at the same property in any calendar year.

(2)

No such sale shall last more than three (3) consecutive days.

(2)

Posted, outdoor advertising for such sale shall conform to the criteria for special event signs as contained in Section 21-1-5(2) of the Municipal Code of the City of Northglenn.

(3)

If a yard sale is conducted in violation of this section, the officer charged with enforcing this section, may issue a summons and complaint.

[Source: Ord. 817, 1986; 1244, 1999; 1734, 2017]

Section 11-7-7. Special Variance: REPEALED.

[Source: Ord. 1076, 1993]

Section 11-7-8. Architectural and Site Design Standards, Apartments and Condominiums.

(a)

Architectural Standards, Apartments and Condominiums.

(1)

Building Mass. Exterior walls shall be broken by variations in height, offsets in wall plane, 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.

(2)

Roof Line Sloping Roofs. Roof planes visible from ground level should include a variety of planes, be staggered horizontally, provide variable overhangs, hip roofs, dormer windows, or other architectural devices to provide visual relief.

(3)

Roof Line Flat Roofs. On building of three stories or less, flat roofs are discouraged.

(4)

Exterior finish materials. A variety of exterior finish materials are preferred. No material designed or manufactured as an exterior wall surface is prohibited. Brick, stone or other masonry, not including concrete block, should be used on at least 30 percent of all exterior wall surfaces. Concrete block, concrete panels, and metal siding are discouraged.

(5)

Stairways. Stairways shall not be located outside of the building envelope.

(6)

Lighting. Exterior building lighting should be used to provide safety and security and to highlight architectural features. All exterior doorways shall be lighted all night.

(7)

Accessory buildings. Accessory building shall be finished in the same materials as the principal building and should be located to the side or rear of the principal building.

(8)

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 and colors as the existing structure.

(9)

Exterior Remodel. These standards shall apply to any modification to the exterior of existing buildings which requires a building permit.

(b)

Site Standards, Apartments and Condominiums.

(1)

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 in areas not subjected to heavy use. Use of native trees, shrubs and ground covers are encouraged.

(2)

Exterior lighting. Area lighting shall be provided for all roadways, playgrounds, open spaces, and common areas. Area lighting shall remain on all night.

(3)

Playgrounds. One playground tot-lot, including commercial grade play apparatus and seating for parents, should be provided for every forty dwelling units or fraction thereof. In developments of more than 40 units, one multi-purpose hard surface court should be provided for each hundred dwelling units or fraction thereof.

(4)

Fencing. The location and design of all fencing to be constructed in apartment and condominium developments shall be shown on the final site. No fencing will be allowed except as has been approved by the Planning Commission on the final site plan or subsequent amendments of the final site plan.

[Source: Ord. 1371, 2004]

Section 11-7-9. Architectural and Site Design Standards, Townhouses.

(a)

Architectural Standards, Townhouses.

(1)

Building Mass. No more than eight units shall be attached in a row. Individual units should be offset. Variable front setback is preferred. Adjacent units should not have the same exterior facade. No more than half the units in any attached group should have the same exterior facade.

(2)

Roof Line. Flat roofs should be avoided. Roof should include a variety of planes, be staggered horizontally, provide variable overhangs, dormer windows, or other architectural devices to provide visual relief. Piping, venting, and other rooftop penetrations should be painted to match the color of the roof.

(3)

Exterior finish materials. A variety of exterior finish materials are preferred. No material designed or manufactured as an exterior wall surface is prohibited. Brick, stone or other masonry, not including concrete block, should be used on at least 30 percent of the front elevation of each unit. Concrete block, concrete panels, and metal siding are discouraged.

(4)

Accessory buildings. Detached garages should be finished in the same materials as the principal building. Overhead garage doors should face the rear or side of the unit. Accessory building should be located to the rear or side of the principle building.

(5)

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

(6)

Exterior Remodel. These standards shall apply to any modification to the exterior of existing buildings which requires a building permit.

(7)

Mechanical equipment. Roof mounted mechanical equipment should be avoided. Ground mounted mechanical equipment should be located to the rear of the dwelling unit.

(b)

Site Standards, Townhouses.

(1)

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 in areas not subjected to heavy use. Use of native trees, shrubs and ground covers are encouraged.

(2)

Exterior lighting. Area lighting shall be provided for all common roadways, alleyways, playgrounds, open spaces, and common areas.

(3)

Playgrounds. One playground tot-lot, including commercial grade play apparatus and seating for parents, should be provided for every forty dwelling units or fraction thereof. In townhouse developments of more than 40 units, one multi-purpose hard surface court should be provided for each hundred dwelling units or fraction thereof.

(4)

Fencing. The location and design of all fencing to be constructed in townhouse developments shall be shown on the final site. No fencing will be allowed except as has been approved by the Planning Commission on the final site plan or subsequent amendments of the final site plan.

[Source: Ord. 1371, 2004]

Section 11-7-10. Architectural Design Standards, Single-Family Detached Houses, Architectural Standards. For the purpose of this Article, all new and existing single-family detached dwellings shall strive to meet the following architectural design standards.

(a)

Single- Family Detached, New Developments.

(1)

Building Models. In new subdivisions of three dwelling units or fewer each model shall have a distinct front elevation. In developments of three to ten dwelling units, three different models with distinct front elevations shall be required. In developments with more than ten dwelling units five different models with distinct front elevations are required and no more than 30 percent of the units constructed shall have the same front elevation. No two models with the same front elevation shall be constructed side by side or directly across the street from one another. "Distinct elevation" shall mean a different roof line, different wall planes, and use of different finish materials.

(2)

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

(3)

Exterior Finish Materials. To achieve an overall aesthetic appearance and add economic value for the community, a variety of exterior finish materials are required. Brick, stone, stucco, or other approved masonry materials shall be used on an area of at least 30% of the facade elevation abutting public streets, open space, or greenway trail. Said materials shall wrap around to the adjacent facades a minimum of three feet.

(b)

Single-Family Detached, Existing Dwellings.

(1)

General Guidelines. Building additions, repair, remodeling, and accessory buildings in single-family zones shall create a visual interest in ways that complement the architectural character of the existing dwelling and surrounding neighborhood. Design elements such as building and roof-line articulation, choice of materials and colors, window and doorway design, and other architectural details shall be used to achieve an overall aesthetic appearance. It is recommended that with the addition and/or replacement of windows and doors, an effort shall be made to maintain the continuity of the exterior trim detail with that of the principal building.

(2)

Repair or Remodeling. In an effort to achieve an overall aesthetic appearance, an effort shall be made to use similar building materials which match the principal dwelling in type and color and complement the surrounding neighborhood.

(3)

Building Additions. Building additions to existing single-family dwellings shall use finish materials which complement or match, in type and color, the materials used on the principal dwelling. In addition, the use of more than one finish material, use of architectural details or other such techniques or combination of techniques shall be used to prevent the appearance of featureless walls. Roofing materials used on additions to existing dwellings shall, if possible, match, in type and color, the material used on the existing dwelling. The roof-line of a new addition should complement the principal building and the surrounding neighborhood. Facades abutting public streets, open space, or greenway trail where the principal dwelling is brick, stone, stucco, or other masonry materials shall require use of same materials on an area of at least 30% of the proposed facade elevation or 100% of the facade wall area, whichever is less. Said materials shall wrap around to any adjacent facade of dissimilar material a minimum of three feet. Additions where two dissimilar materials abut one another shall require overlap of the existing material on the principal building a minimum of three feet into the proposed addition.

Building additions shall not occupy more than thirty percent (30%) of the rear yard area that existed at the time of initial construction of the residence. Additions which exist at the time of adoption of these standards and which occupy more than thirty percent (30%) of the original rear yard area shall be allowed to remain but no further additions will be allowed which increase the building footprint.

(4)

Accessory Buildings. Accessory buildings larger than 144 square feet shall have a building foundation. To achieve an overall aesthetic appearance and add economic value to the neighborhood, accessory buildings shall use exterior wall finish materials which complement or match, in type and color, the materials used on the principal dwelling. Roofing materials used on accessory buildings shall, if possible, match, in type and color, the material used on the principal dwelling. Facades abutting public streets, open space, or greenway trail where the principal dwelling is brick, stone, stucco, or other masonry materials shall require use of same materials on an area of at least 30% of the facade elevation or 100% of the facade wall area, whichever is less. Said materials shall wrap around to any adjacent facade of dissimilar material a minimum of three feet.

(5)

Sheds. The height of a shed shall be limited to 9-feet to the top of the ridge. A shed with an area greater than 144 square feet shall comply with the design guidelines for an accessory building. The maximum size of a shed shall be 200-square-feet.

(6)

Carports and Patio Covers. Carports and patio covers shall use materials which complement in type and color, the materials used on the principal building. Roofing materials used on carports and patio covers shall match, if possible, in type and color, the material used on the existing dwelling.

(7)

Front Porches. Open and covered front porches, as defined in Section 11-5-2(b)(125) of the Zoning Ordinance may encroach into the minimum front set-back area for a distance not to exceed eight (8) feet. Eaves on said cover porch may extend into the front setback area an additional distance equal to the width of the existing eaves on the front of the residence, or two (2) feet, whichever is greater.

(c)

Reconstruction or Replacement of Existing Structures.

The reconstruction or replacement of an existing structure shall be treated as new construction.

[Source: Ord. 1415, 2005]