The purpose of the single-family residential district is to provide a sound and attractive residential neighborhood.

(Ord. 557 § 3 (part), 1985)

The following are principal permitted uses:

A.

One and two-family dwellings, and twin house dwellings;

B.

Public parks and playgrounds.

(Ord. 557 § 3 (part), 1985)

The following are permitted accessory uses in these districts:

A.

Private garages and required off-street parking;

B.

Greenhouses and tool sheds;

C.

Detached accessory dwelling per section 19.56.090;

D.

Uses and structures which are customarily accessory and clearly subordinate to permitted uses.

(Ord. 557 § 3(part), 1985; Ord. No. 2022-12, § 3B.II., 10-3-2022)

The following are uses that may be permitted by action of the commission under the conditions and procedures specified in Chapter 19.72 of this title:

A.

Home occupation;

B.

Trailers used for construction purposes;

C.

Public and private schools;

D.

Children's nursery;

E.

Churches;

F.

Public buildings and structures;

G.

Noncommercial radio and television transmitters or towers;

H.

Private docks, moorage, boathouses and net houses;

I.

Required essential services.

(Ord. 557 § 3 (part), 1985)

The following minimum lot requirements shall apply in these districts:

A.

Lot Area.

1.

The minimum lot area shall be eight thousand square feet;

2.

The minimum lot frontage shall be eighty feet. On lots containing frontage on more than one side, this requirement can be met on any one side. Irregularly shaped lots (triangular, trapezoidal, etc.) shall have a minimum lot frontage of sixty feet and contain a minimum rectangular buildable area of two thousand five hundred square feet with a minimum of fifty feet on all sides.

B.

Yard Setbacks. The minimum yard requirements shall be:

1.

Front yard depth shall be twenty feet;

2.

Side yard width shall be ten feet;

3.

Rear yard depth shall be twenty feet; rear yard depth on lots abutting tidelands may be reduced to zero feet.

C.

Maximum Lot Coverage. The maximum lot coverage, including all accessory buildings, shall not exceed thirty-five percent.

D.

Height, Off-street Parking—Other Requirements.

1.

Buildings shall be limited to three stories, but not to exceed thirty feet in height;

2.

Off-street parking shall be two spaces per unit;

3.

Other development requirements shall be as stated in Chapters 19.56, 19.60 and 19.64 of this title.

(Ord. 837 § 3 (part), 2000; Ord. 772 § 3 (part), 1996; Ord. 621 § 3 (part), 1988; Ord. 600 § 3 (part), 1987; Ord. 557 § 3 (part), 1985)

A.

Twin house dwellings in S-F districts shall be limited to two stories, but not to exceed thirty feet in height.

B.

Each dwelling shall be located on a lot not less than five thousand square feet in area and with not less than forty feet of frontage.

C.

All buildings, including accessory buildings, shall not cover more than thirty-five percent of the lot.

D.

Yards in S-F twin house dwellings shall be as follows:

1.

The front yard depth shall not be less than twenty feet;

2.

The side yard width for the common property lines is reduced to zero feet, and the remaining side yard setback is ten feet;

3.

The rear yard depth shall not be less than twenty feet; rear yard depths on lots abutting tidelands may be reduced to zero feet.

E.

Each dwelling must be serviced by separate and independent community sewer, water and electrical systems.

F.

Each dwelling must be provided a minimum of two off-street parking spaces.

G.

One twin house dwelling unit side wall shall be located along the zero setback lot line, and this wall shall be shared as a common wall with an attached similar twin house dwelling unit.

H.

The common wall shall have a minimum fire rating of two hours.

I.

No portion of the twin house dwelling unit shall project over any lot line.

J.

Each twin house dwelling lot shall be paired with only one other lot, and both lots shall be held under the same ownership at the time of construction of both twin houses. Both attached twin house dwelling units shall be constructed as a single unit and project during the same construction time period.

K.

A declaration of covenants, conditions and restrictions, or an agreement regarding maintenance and other matters, shall, if any new lots are created, be submitted with the preliminary plat to the planning commission. Such declaration or agreement shall be in such form as required by the planning commission and shall include, but not be limited to, provisions providing for the maintenance and repair of the common wall and for decoration and maintenance of the exterior, including the roof, of the attached twin house dwelling unit. The declaration or agreement shall be recorded.

L.

In the event any twin house is damaged or destroyed, any reconstruction or repair thereof shall comply with all the locational and other development requirements set forth in this section.

M.

An application for approval of a preliminary plat for subdivision shall be filed concurrently with the zoning permit application for construction of the attached twin house dwelling units if new lots are to be created. Approval of the final subdivision plat shall not be granted until the construction of the proposed twin house dwelling units has been completed.

N.

Conversion of existing one or two-family dwellings to twin house dwelling are subject to the requirements listed in this subsection and the following additional requirements:

1.

A site plan clearly depicting the location of the common wall, existing and proposed buildings and structures, existing and proposed lot lines, proposed method of providing access to each lot, proposed method of providing water supply and sewage disposal services, and the proposed on-lot parking, shall be submitted with the conditional use permit application.

2.

Drawings of all exterior elevations of the proposed twin house dwellings, professionally prepared, shall be submitted with the conditional use permit application. The drawings shall contain sufficient detail and information to enable the planning commission to confirm and establish that the proposed two attached dwellings will be compatible both in design and outward appearance. If no changes in the exterior of the existing building are proposed, color photographs of the building may be substituted for the drawings. The proposed roofing and siding materials to be used shall also be specified in the application or supporting documentation.

3.

Unless there are practical difficulties related to the provision of separate services to each twin house dwelling lot which cannot be reasonably overcome, as determined by the planning commission, each twin house dwelling lot shall be served by separate water, sewer and electrical systems. All such facilities shall be provided in accordance with all applicable state, local and federal laws, ordinances, rules and regulations, including those of the Alaska Department of Environmental Conservation and the city of Petersburg.

4.

An application for approval of preliminary plat for subdivision shall be filed concurrently with the conditional use permit application to allow the conversion of an existing dwelling to a twin house dwelling.

(Ord. 557 § 3 (part), 1985)