§ 155.141 RESIDENTIAL LOT AND BUILDING REQUIREMENTS.

   All uses in the Residential Zoning Districts shall comply with the lot and building requirements set forth in the following table and all other applicable regulations set forth in this code:

TABLE RESIDENTIAL ZONING DISTRICT REQUIREMENTS
FEATURE	RR	R-1a	R-1	R-2	R-3	R-4
Maximum Density
Dwelling Units (DU) per Developable Area (excluding wetlands, floodplains, etc.)
-   Standard Dev.	0.25 (10 DU per 40 acres)	2.0	2.0	1.0	6.0	12.0
-   Open Space Dev.	0.50 (20 DU per 40 acres)	Not applicable (NA)	NA	NA	NA	NA
Minimum Lot Features
Lot Size -    Detached Residential Dwelling Units	Standard Dev: 2 acres, excluding wetlands and slopes steeper than 18% Open Space Dev: 1 acre, excluding wetlands and slopes steeper than 18%	8,450 s.f.	11,250 s.f	20,000 s.f	7,000 s.f.	N/A
-    Two-family, Townhome or Quadraminium Dwelling Units	N/A	N/A	N/A	N/A	7,000 s.f.	5,000 s.f.
-    Multiple-family Dwelling Units	N/A	N/A	N/A	N/A	4,500 s.f	3,500 s.f.
Setbacks    Principal Building
Front	30 feet	25 feet	30 feet1		30 feet
Side (garage)	10 feet	7.5 feet	7.5 feet attached garages not abutting the public ROW		7.5 feet
Side (non- garage)	10 feet	7.5 feet	10 feet		10 feet
Side (attached product)	N/A	N/A	N/A		10 feet
Rear	30 feet	30 feet	30 feet2, 3		30 feet
Lot Width, Minimum	Standard Dev: 150 ft. Open Space Dev: 100 ft.	Interior: 65 ft. Corner: 82.5 ft.	Interior: 90 ft. Corner: 100 ft.		50 ft., detached 32 ft. attached
Lot Depth, Minimum	150 ft., but no more than 6 times the Lot Width	130 ft. (150 ft. double frontage)	125 ft. (145 ft. double frontage)		100 ft.
Other
Floor/Unit Area Ratio, Minimum (excluding garages)	1,000 s.f.	850 s.f.	1,000 s.f		850 s.f
					Apartments and Condominiums Efficiency: 525 s.f 1 Bedroom: 600 s.f 2 Bedroom: 720 s.f
Unit Width at its Narrowest Point	24 ft.				24 ft., detached
Unit Type Ratio					The number of efficiency apartments in a multiple dwelling shall not exceed 5% of the total number of apartments, except in the case of elderly (senior citizen) housing where efficiency apartments shall not exceed 20% of the total number of apartments.
Maximum Lot Hard Surface Coverage	25% - House/ accessory structures	35% - House/accessory structures 50% - Total combination of house/accessory structures and impervious surfacing (driveways, sidewalks and patios)			N/A
Minimum Usable Open Space (per dwelling unit)	N/A	N/A	500 s.f.
Height (Maximum)	2½ stories or 35 ft., whichever is less	2½ stories or 35 ft., whichever is less	Attached: Three stories or 35 feet, whichever is less Detached: Two stories or 25 feet, whichever is less
Roof Pitch (Minimum)	4:12	4:12			N/A
Grade Elevation		As described in the city Engineering Guidelines - Minimum Requirements for Lot Surveys
Public Sewer/Water	Required for non-residential uses requiring wastewater disposal	Required
Attached Enclosed Garage	440 s.f. in area5				Detached and Attached Townhomes: 440 s.f. in area5 Apartments and Condominiums6
Garage Frontage	Maximum garage width7				Maximum garage width for detached and attached townhomes7
Notes:
1   RR, R-1a, R-1 and R-2: Cul-de-sac lots shall be allowed a front yard setback of 25 feet for the portion of the lot fronting on the outside curve of the cul-de-sac if:    (a)   The right-of-way has a minimum radius of 55 feet; and    (b)   The boulevard (the street right-of-way area between the edge of the curb/pavement and the front property line) is a minimum of 12 feet in width.
2   R1 and R2: Lots platted prior to February 23, 1999 shall be allowed a rear yard setback of 15 feet if the depth of the parcel at the building pad is less than 110 feet. Decks may be setback 15 feet to a rear property line, provided they are not within an easement. Accessory buildings 120 square feet or less in size may have a rear yard setback of 10 feet.
3   R1 and R2: Irregular Shaped Lots, the measurement of the rear yard setback is taken from a line drawn from side lot line(s) to side lot line(s) equal in length to the required side yard setbacks, parallel to and at a maximum distance from the front property line.
4   R3 and R4: Side yard setback: 30 feet when abutting public street or single-family residential district. Side yard setback is not applicable where a structure has shared walls as in the case of two-family and quadraminiums.
5   One enclosed garage at least 440 s.f. in size, with a minimum interior width of 18 ft., or at least two single stall garages with each stall at least 220 s.f. in area with a minimum width of 10 feet, excluding stairways, landings and utility areas, shall be provided for each dwelling unit.
6   One enclosed, attached garage or parking space at least 220 s.f. in size, with a minimum interior width of 10 ft., excluding stairways, landings and utility areas, shall be provided for each dwelling unit. The garage or parking space shall be accessible from the interior of the principal building.
7   The maximum amount of garage width facing a public right-of-way shall not exceed 45 ft., with the first-floor living area of the principal structure facing the front yard at least 50% of the width of the attached garage. Portions of an attached garage may be excluded from the garage frontage calculation if designed to appear as living area and is not directly accessible to the outside, as reviewed and approved by the Zoning Administrator.
Other Regulations to consult (not all inclusive): § 155.009, Definitions § 155.030, Fences Generally § 155.031, Required Landscaping and Screening § 155.045, General Requirements § 155.050, Driveways and Parking in Residential Districts § 155.490, Signage

 

(Ord. 1401, passed 1-28-14; Am. Ord. 1605, passed 8-9-16; Am. Ord. 1704, passed 10-24-17; Am. Ord. 1705, passed 12-12-17; Am. Ord. 1804, passed 8-14-18; Am. Ord. 1806, passed 10-23-18; Am. Ord. 1901, passed 1-8-19; Am. Ord. 2001, passed 7-14-20; Am. Ord. 2103, passed 12-14-21)