1040.040: - RSF-1 (SINGLE FAMILY RESIDENTIAL) ZONING DISTRICT — Corcoran Zoning Code

Subd. 1. Purpose. The purpose of the RSF-1 district is to provide large, urban lots for single family homes and directly related complementary uses. The district includes existing neighborhoods that are currently served by private wells and septic systems. New development within this district will be allowed only when a full range of municipal services and facilities are available to serve the area. New development is intended to create low-density residential areas and to preserve and enhance transitional residential areas between lower and higher densities in areas served by public utilities. Areas zoned RSF-1 are guided Conservation Residential or Low Density Residential on the City's 2040 Comprehensive Plan.

Subd. 2. Permitted Uses.

A. Day Care Facilities, Home.
B. Dwelling, Single Family Detached.
C. Parks, playgrounds, trails, other recreational facilities of a non-commercial nature and directly related buildings and structures.
D. Residential Facility in a single family detached dwelling, serving 6 or fewer individuals and licensed by the State.

Subd. 3. Accessory Uses.

A. Accessory structures as regulated by Section 1030.020 of this Chapter.
B. Accessory uses incidental and customary to uses allowed in this Section.
C. Day Care Facilities, County licensed, 12 or fewer individuals.
D. Fences as regulated by Section 1060 (Performance Standards) of this Chapter.
E. Allowed Home Occupations as regulated by Section 1030.100 (Home Occupations) of this Chapter.
F. Keeping of Animals, subject to Chapter 81 (Animals) of the City Code.
G. Play and recreational facilities, including swimming pools and tennis courts, for use of the property owner and guests.
H. Signs as regulated by the City Code.
I.

Temporary trailers and construction equipment for the duration of construction only where temporary lavatories are provided in compliance with City and State requirements.

Subd. 4. Conditional Uses. The following are conditional uses, subject to the conditions outlined in Section 1070.020 of this Ordinance and the specific standards and criteria that may be cited below for a specific use:

A. Educational facilities, K-12, and Places of Worship, subject to the following:
1. Setbacks.
  - a. A minimum 50-foot setback from all property lines is required for all structures, parking spaces, drive aisles, and loading areas. The setback on all property lines will increase up to 200-feet based on the building footprint as described below:

Building Footprint Square Footage	Minimum Setback	Building Footprint Square Footage	Minimum Setback	Building Footprint Square Footage	Minimum Setback
Up to 15,000	50 feet	25,001 - 26,000	105 feet	36,001 - 37,000	160 feet
15,001 - 16,000	55 feet	26,001 - 27,000	110 feet	37,001 - 38,000	165 feet
16,001 - 17,000	60 feet	27,001 - 28,000	115 feet	38,001 - 39,000	170 feet
17,001 - 18,000	65 feet	28,001 - 29,000	120 feet	39,001 - 40,000	175 feet
18,001 - 19,000	70 feet	29,001 - 30,000	125 feet	40,001 - 41,000	180 feet
19,001 - 20,000	75 feet	30,001 - 31,000	130 feet	41,001 - 42,000	185 feet
20,001 - 21,000	80 feet	31,001 - 32,000	135 feet	42,001 - 43,000	190 feet
21,001 - 22,000	85 feet	32,001 - 33,000	140 feet	43,001 - 44,000	195 feet
22,001 - 23,000	90 feet	33,001 - 34,000	145 feet	At or above	200 feet
23,001 - 24,000	95 feet	34,001 - 35,000	150 feet	44,001
24,001 - 25,000	100 feet	35,001 - 36,000	155 feet

b. Any property lines fronting a county road shall require a minimum setback of 100 feet when the building footprint is 24,000 square feet or less.
c. Educational facilities and Places of Worship are not eligible for building and parking setback flexibility through additional landscaping as provided in Section 1060.070, Subd. 2., (K) - (J).

Maximum Building Height. The maximum structure height is 35 feet, except as allowed by Section 1030.080.
Maximum Impervious Surface.
- a. The total impervious surface coverage shall not exceed 50% of the site.
- b. The rest of the site shall be landscaped or left in a natural state.
Landscaping Zone.
- a. In addition to meeting the landscaping standards in Section 1060.070, Subd. 2 (A) - (I) of the City Code, any portions of the site that abut a residential area shall contain a landscaping zone along the shared property line with a minimum width of the applicable setback established in Section 1040.040, Subd. 4., (A), (1).
- b. The landscaping zone will consist of evergreen and/or deciduous trees and shrubs with a sufficient density to provide visual buffering to a minimum height of 8 feet. The grade for determining height shall be the grade elevation of the building or use for which the buffering is providing protection. Earth mounding or berms may be used but shall not be used to achieve more than three feet of the required buffer. A fence may also be installed, but not in lieu of the planted landscaping zone. Existing trees, shrubs, and vegetation may be used to meet the landscaping zone requirement when the intent to provide buffering is accomplished.
Parking Lot Screening and Landscaping.
- a. Any lighting used to illuminate an off-street parking area shall be so arranged as to reflect glare away from adjoining property, adjacent residential uses, and public rightsof-way and be in compliance with Section 1060.040 of this Chapter.

b. Parking areas shall be screened from properties guided or zoned residential and from public streets. Screening to a height of at least 3 feet shall be provided to screen vehicle headlights.
- c. Parking areas which are 3,000 square feet or greater shall have no less than 350 square feet of land devoted to internal landscaping islands (in addition to required traffic safety islands). The minimum square footage of land devoted to internal

landscaping islands shall increase by 100 square feet for each additional 1,000 square feet of additional parking space. Such islands shall be bound by concrete curbing or comparable curbing as approved by the City Engineer.

Site Access. The primary site access shall comply with one of the following:
- a. The site shall have direct access onto a Major Roadway, which is defined as a Principal Arterial, Minor Reliever, Minor Expander, and Minor Connector roadways; or
- b. The site will have direct access onto a Major Collector or Minor Collector roadway no more than 1,000 square feet from an intersection with a Major Roadway as identified in the Comprehensive Plan.
Noise. Exterior bells or loudspeakers are permitted between the hours of 9 a.m. and 10 p.m.
Additional Requirements.
- a. The City Council may attach additional conditions to the granting of the conditional use permit for the primary use as well as any accessory uses of the site as deemed necessary to protect the residential character of the neighborhood.
- b. As provided for in federal statue 42 U.S.C. 2000cc-3 (e), the City Council may avoid the preemptive force of any provision of Chapter 21C (Protection of Religious Exercise in Land Use and By Institutionalized Person) by changing the policy or practice that results in a substantial burden on religious exercise, by retaining the policy or practice and exempting the substantially burdened religious exercise, by providing exemptions for the policy or practice for applications that substantially burden religious exercise, or by any other means that eliminates the substantial burden.

B. Residential Facility with seven to sixteen individuals, licensed by the State.

Subd. 5. Interim Uses. The following are interim uses, subject to the conditions outlined in Section 1070.030 of this Ordinance and the specific standards and criteria that may be cited below for a specific use:

A. Greenhouses and Nurseries, subject to the following:
1. When abutting a residential use or district, the property shall be screened and landscaped in accordance with this Chapter. All structures shall be set back at least 100 feet from any residential property line.
2. On-site storage and use of pesticides and fertilizers shall meet the standards of the Minnesota Department of Agriculture.
3. Adequate off-street parking is provided on an improved surface as required by this Ordinance.
4. Adequate parking, loading and maneuvering areas shall be provided.
5. Loading areas are screened from adjacent residential uses.
6. Not more than 30 percent of the site area shall be covered with buildings or other structures.

Hours for retail sale of product to customers shall be limited to 7:00 a.m. to 9:00 p.m.
1. Lighting shall comply with all ordinance requirements. If more than 25 percent of the greenhouse spaces are to be lit at night, they shall be screened from residential properties by use of a retractable curtain, landscaping, buildings or other methods to prevent light pollution, including sky glow.
2. The site complies with the minimum lot area standards for the district.
3. Sale of accessory items shall be permitted, provided they do not generate more than 20 percent of the sales (measured by retail value or sales volume) for the business nor cover more than 10 percent of the site area.
4. At least 50 percent of the nursery stock to be sold on site must be grown on site.
5. The provisions of Section 1070.020 of this Ordinance are considered and satisfactorily met.

B. Conditional Home Occupation License (CHOL) as allowed by Section 1030.100 (Home Occupations) of the Zoning Ordinance.
C. Seasonal Produce Stands.
D. Temporary structures, subject to the standards in Section 1030.040 (Temporary Structures) of the Zoning Ordinance.

Subd. 6. Uses by Administrative Permit.

A. Accessory Dwelling Unit, subject to the following standards:
1. Not more than one accessory dwelling unit shall be allowed on a single-family detached lot.
2. An attached or detached unit shall comply with the same minimum building setback requirements as required for the living portion of the principal dwelling unit.
3. An accessory dwelling unit shall be a clearly incidental and subordinate use, the gross floor area of which shall not exceed the gross floor area of the principal dwelling unit or 960 square feet, whichever is less.
4. Unless otherwise specified in this Subdivision, a detached accessory dwelling unit shall be subject to the same regulations as provided for under Section 1030 of this Chapter. In evaluating how a detached accessory dwelling unit fits within the size limitations outlined in Section 1030, only the footprint of the accessory dwelling unit is subject to the accessory structure size limit provided for all zoning districts.
5. The exterior design of an accessory dwelling unit shall incorporate a similar architectural style, colors, and materials as the principal building on the lot.
6. The owner of the property shall reside in the principal dwelling unit or in the accessory dwelling unit.
7. There shall be no separate ownership of the accessory dwelling unit.
8. In addition to the parking spaces required for the principal dwelling unit on the lot, 2 offstreet parking spaces shall be provided for an accessory dwelling unit. Such accessory dwelling unit parking spaces shall not conflict with the principal dwelling unit parking spaces and shall comply with the requirements of this Chapter.

An accessory dwelling unit shall use the same street number as the principal dwelling unit but must include a unique identifier that is consistent with the City's Street Naming and Addressing Policy to ensure compatibility with Hennepin County, the U.S. Postal Service, and emergency service providers. The entryway to an accessory dwelling unit shall include identifying signage and be connected to the driveway with an improved walkway.
1. Accessory dwelling units are subject to the same height restriction for principal structures as determined by the zoning district but must not exceed the existing height of the principal structure.

B. Essential Services, as allowed by Section 1030.090.
C. Special Home Occupations as allowed by Section 1030.100 of this Chapter.
D. Temporary real estate offices.

Subd. 7. Area Requirements. The following minimum requirements shall be met in the RSF-1 district. Properties may be subject to special requirements for overlay districts as noted in Section 1050 (Overlay Districts):

Minimum Lot Area	20,000 square feet
Minimum lot width	100 feet
Minimum Principal Structure Setbacks:
Front, From Major Roadways*	100 feet
Front, From all other streets	40 feet
Front Porch (:5 120 square feet)	30 feet

Side (living)	10 feet
Side (garage)**	5 feet
Rear	30 feet
Maximum Principal Building Height	35 feet

*Major Roadways are state highways and county roads.

**Minimum separation between structures on adjacent parcels shall be 15 feet.

Subd. 8. Design Requirements. Newly constructed single family homes shall be constructed with the following design elements:

A. Front Elevation:
1. Definition:
  - i. For the purpose of this Section, front elevation shall be the elevation facing the front lot line on the street of the mailing address for the property when the property has more than one front lot line.
2. Materials Used:
  - i. The front elevation shall have material consisting of brick, stone, stucco, fiber cement board, redwood, cedar or other similar materials. A minimum of two different materials is required, except that brick may be used on the entire elevation
  - ii. Vinyl siding is permitted when combined with the materials listed in Subd. 8.A.2.i of this Section. A minimum of 3 different variations in color, style and/or material is required. For example, if vinyl siding is used, the home shall have combination of each lap, shake or board and batten plus brick or stone. The percentage of each used material/style of materials used shall be shown on the plans.
  - iii. Except for brick, stucco and/or natural or artificial stone, the front elevation shall have no more than 75% of one type of exterior finish. The percentage of materials used shall be shown on the plans.
3. Architectural Elements:
  - i. The front elevation façade shall consist of doors, windows and variations of the wall face with the use of pilasters or columns, wainscots, canopies or other architectural elements.

4. Design:

i. Front elevations shall be varied with a minimum of five different styles provided in the development.
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   - ii. Homes in proximity to each other shall not look alike in terms of the combination of color of siding, accent and roofing materials. The home under consideration will be compared to the two homes on each side and to the three homes directly facing it. 
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- B. Garages:
  1. The garage shall not comprise more than 55 percent of the viewable ground floor streetfacing linear building frontage. This standard is based on the measurement of the entire garage structure and not on a measurement of the garage door or doors only. Corner lots are exempt from this requirement on one street elevation.
  2. Garage doors shall be architecturally styled (this includes details such as raised panels, accent color, windows, etc.) to match the exterior design of the home.
- C. Roof:
  1. Roofing materials including asphalt shingles, wood shingles (including shake), concrete, clay, ceramic tile roofs or residential steel roofing material (with hidden fasteners) are required on all roofs.
  2. Overhangs must be a minimum of 12 inches.
- D. Other Elevations:
  1. Equal architectural treatment on all sides of the building (materials, articulation, etc.) shall be used for all new residential construction when located on or visible from a street or public park. Each elevation facing a street or public park should use a minimum of 2 different materials and/or styles compatible with the front elevation as described in this Section. All other elevations shall make a good faith effort to demonstrate that elements of the front elevation have been considered for incorporation on these elevations.
  2. Each side elevation shall have at least one window or door opening.
  3. A maximum of 18 inches of the foundation wall may be exposed on any elevation.
(Ord. 338, passed 11-21-16, Ord. 348, passed 05-25-17, Ord. 445, passed 12-22-21, Ord. 472, passed 12-2222)