The R-1 Single-Family Dwelling District (hereinafter known in this article as the R-1 District) is the most restrictive form of residential land use in the City of Jennings, allowing for only single-family dwellings and intended to maintain high standards for quality residential living. This district also allows for non-residential land uses which provides services to the R-1 District on a conditional use permit basis.

The uses permitted by right and by conditional use permit are listed in the table of permitted uses found at the end of this article. If "P" (permitted by right) or a "C" (permitted by conditional use permit) is not indicated for a use in this table, or a use is not included in the table, it is prohibited.

The maximum building height in the R-1 District is two and one-half (2½) stories or thirty-five (35) feet above grade, whichever is less.

The minimum width for lots in the R-1 District shall be sixty (60) feet. Modifications may be allowed subject to section 4.6.

The minimum lot area per family in the R-1 District shall be seven thousand five hundred (7,500) square feet. Modifications may be allowed subject to section 4.6.

The condition whereby a lot of record established prior to the passage of this zoning ordinance has less width, or less area, than herein required.

No more than forty-five (45) percent of the required front yard setback may be covered by impervious material. No more than fifty-five (55) percent of the total lot may be covered by impervious material.

The following are the setback requirements for a primary building located in an R-1 District, and the modifications to those requirements when certain conditions exist.

4.8.1 Front yard setbacks. The setback must be a minimum of thirty (30) feet from the front building facade to the front property line, although these regulations do not preclude a deeper setback at the discretion of the property owner. Modifications to the required front yard setback are permitted/required under the following conditions:

(a)

Where fifty (50) percent or more of the frontage along a street has existing structures that are setback less than thirty (30) feet from the front building facade to the front property line, the average of those setbacks shall be used, and no building shall project beyond the average front yard already established.

(b)

Where lots have double frontages (usually on corner lots), the required front yard setback provision shall be provided on both streets.

(c)

An open uncovered porch or paved terrace may project into a required front yard a distance up to ten (10) feet, provided that the floor level is at or below the first floor of the primary building.

(d)

No planting shall be maintained higher than three and one-half (3½) feet above the established street grades within twenty (20) feet of any street intersection.

(e)

Roof eaves may project into the front yard setback up to three (3) feet beyond the face of the wall.

(f)

Windowsills, bay windows, belt courses and similar architectural features, as well as rain leaders and chimneys, may project up to two (2) feet into the front yard setback beyond the face of the wall.

(g)

Front yard masonry garden walls, planting boxes, retaining walls, or ornamental or decorative fences may be erected as part of new construction, up to four (4) feet above the grade level in the front yard, provided such structure is an integral part of the architectural feature of the primary building and is approved by the architectural review board in accordance with Article 28 of this appendix.

(h)

Any accessory building that is not part of the primary building shall be located not less than sixty (60) feet from the front lot line.

(i)

Lots in excess of 15,000 square feet and having 100 or more linear feet of frontage may install two drive approaches to accommodate a turn around, with the written approval from the director of public works, and subject to architectural review board approval in accordance with Article 28 of this appendix (all other lots shall be limited to one drive approach).

4.8.2 Rear yard setbacks. The required setback in an R-1 District is twenty-five (25) percent of the depth of the lot, measured from the front to the rear property line. The setback must be a minimum of forty (40) feet from the furthest rear wall of the primary building to the rear property line. The rear yard setback is not required to exceed a maximum of seventy (70) feet, although these regulations do not preclude a deeper than maximum setback at the discretion of the property owner. Modifications to the required rear yard setback are permitted/required under the following conditions:

(a)

Open, uncovered porches, patios and aboveground decks may project up to twelve (12) feet into a required rear yard, provided that the floor level is at or below the level of the first floor of the primary building. Balconies may project into the required rear yard a maximum distance of five (5) feet.

(b)

Lots which have grade slopes of more than five (5) feet measured across the lot width at the curb line or calculated from the finished grade between the side property lines shall maintain a rear yard setback of not less than twenty-five (25) percent of the lot depth with a thirty-foot minimum.

(c)

Where a corner lot exists, and thereby two (2) front yards, the property line opposite the front yard line with the greater street frontage shall be considered the side yard and the property line opposite the front yard line with the lesser street shall be considered the rear yard.

(d)

An accessory building not exceeding twenty (20) feet in height may occupy no more than thirty (30) percent of the area of a required rear yard but no accessory building shall be closer than ten (10) feet to the primary building nor closer than five (5) feet to any rear property line.

(e)

Outside stairways, tower balconies or fire escapes may project no more than four (4) feet beyond the face of the wall.

(f)

Roof eaves may project no more than three (3) feet beyond the face of the wall.

(g)

Windowsills, bay windows, belt courses and similar architectural features, as well as rain leaders and chimneys, may project no more than two (2) feet beyond the face of the wall.

4.8.3 Side yard setbacks. The required setback in an R-1 District is ten (10) percent of the width of the total lot. The setback must be a minimum of six (6) feet up to a maximum of fifteen (15) feet, although these regulations do not preclude a wider than maximum setback at the discretion of the property owner. Modifications to the required side yard setback are permitted/required under the following conditions.

(a)

Lots which have grade slopes of more than five (5) feet measured across the lot width at the curb line or calculated from the finished grade between the side property lines shall maintain a side yard setback of at least ten (10) feet on the low side. Such side yards shall be improved with retaining walls or planters to provide grade elevation.

(b)

Where a lot of record at the time of the effective date of this appendix is less than sixty (60) feet in width, the required side yard may be reduced to less than the required ten (10) percent of the width of the lot, provided, however, that no side yard shall be less than five (5) feet from the structure to the side property line.

(c)

On a corner lot, the side yard facing the street shall be setback in conformance with the required front yard on that street; provided, however that the buildable width of such lot shall not be reduced to less than thirty (30) feet.

(d)

No accessory building shall be closer than ten (10) feet to the primary building nor closer than five (5) feet to any side property line.

(e)

An unenclosed porte-cochere or canopy may project into a required side yard but may not encroach further than five (5) feet from the side property line.

(f)

Outside stairways, tower balconies or fire escapes may project no more than four (4) feet beyond the face of the wall.

(g)

Roof eaves may project no more than three (3) feet beyond the face of the wall.

(h)

Windowsills, bay windows, belt courses and similar architectural features, as well as rain leaders and chimneys, may project no more than two (2) feet beyond the face of the wall.

Those buildings or parts of buildings that are a legal nonconforming use of the setback provisions may be repaired and remodeled, but not reconstructed or structurally altered, unless made to conform with the regulations of this zoning ordinance.

Site plan review, pursuant to the procedures and standards outlined in Articles 14 or 16 of this appendix, is required for any new development in the City of Jennings.

In applying the requirements of a site plan review, the city plan commission shall have the discretion to consider alternatives and modifications if their strict application will result in unusual practical difficulties or particular hardship, or if the plan commission determines that such alternatives or modifications to these guidelines will serve the best interests of the city.

Every primary building in the R-1 District must provide a minimum of two (2) off-street parking spaces. For parking regulations in the R-1 District, see Article 20 of this appendix.

No existing lot of record within the R-1 District shall be resubdivided unless the resubdivided lot conforms to the area and frontage requirements of this zoning district, and in addition be consistent with the lots located in the immediate neighborhood with regard to size, frontage and arrangement so as to provide an orderly pattern of development. No flag lot shall be created as a result of any resubdivision.

P = Permitted by right
C = Permitted with conditional use permit

NOTE: Uses not appearing in the table are prohibited.

(Ord. No. 2308, § 1(A)(2), 1-27-14)