[Amended 5-7-1985 by Ord. No. 142; 10-7-1997 by Ord. No. 218; 1-2-2001 by Ord. No. 255; 5-1-2007 by Ord. No. 310]
The purpose of this zoning district is to preserve existing residential developments of medium density and to encourage the future development of designated areas as similar medium-density single-family residential areas.
A building may be erected, altered or used, and a lot or premises may be used for any of the purposes set forth in this section and for no other, provided that the demolition of or special exception or conditional use for a historic resource shown on the Historic Resources Map or any subdivision, land development or construction activity within 300 feet of a historic resource shown on the Historic Resources Map shall be subject to the provisions of Article XIXA relating to historic preservation, and further provided that development shall be in accordance with the Design Guidelines of Article XIII for the Concordville Village Overlay District.
A. 
Uses by right.
(1) 
Single-family detached dwelling.
(2) 
Agriculture and horticulture, including the keeping of livestock, animals and poultry customarily incidental thereto, and permitting:
(a) 
Private garden.
(b) 
The keeping of two small household animals for each dwelling unit and one additional small household animal for each 1/2 acre of lot size.
(3) 
Accessory use on the same lot with and customarily incidental to any of the above-permitted uses. The term "accessory use" shall not include a business but shall include:
(a) 
Home professional office or studio, as defined in § 210-4, and subject to the following special requirements in addition to all other applicable requirements of this chapter for the residential district in which the use is located.
[1] 
Such office shall be located in the dwelling in which the practitioner resides.
[2] 
Not more than one person shall be employed by the practitioner of the professional occupation, such as a secretary, Cclerk, professional or technical assistant, except that two members of a recognized profession related to each other by blood, marriage or legal adoption shall be permitted to practice together.
[3] 
The area used for the practice of a profession shall occupy no more than 25% of the total floor area.
[4] 
The profession shall be clearly incidental to the residential use of the dwelling or dwelling unit and shall not change the essential residential character of a dwelling.
[5] 
No external alterations inconsistent with the residential use of the dwelling shall be permitted.
[6] 
No display of products and no window or other sign shall be visible from outside the building, except for a name or accessory use sign as permitted outside a dwelling in the sign regulations (Article XXIII).
[7] 
Three off-street parking spaces, located to the side or rear of the premises and not in the front yard, shall be required in addition to those otherwise required in this chapter for a single-family dwelling.
[8] 
The home professional office of a physician shall not include a biological or other medical testing laboratory.
(b) 
Home occupation, as defined in § 210-4, and subject to the following special requirements in addition to all other applicable requirements of this chapter for the residential district in which the use is located.
[1] 
Such office shall be located in the dwelling in which the practitioner resides or within a building accessory thereto.
[2] 
Not more than one person shall be engaged or employed in such practice or home occupation who is not a resident of the dwelling.
[3] 
The area used for the practice of a profession or a home occupation shall not exceed 25% of the total floor area.
[4] 
The occupation shall be clearly incidental to the residential use of the dwelling and dwelling unit.
[5] 
No external alterations inconsistent with the residential use of the dwelling shall be permitted.
[6] 
There shall be no display of products, storage of goods or materials or window or other sign visible from outside the building (except for a name or accessory use sign or a professional office as permitted outside a dwelling in the sign regulations, and no accessory use shall have any other external evidence for a secondary use).
[7] 
No goods or services shall be offered for sale or lease to the general public on the premises except that business conducted primarily by mail or telephone shall be permitted.
[8] 
No traffic shall be generated by such home occupation in greater volumes than would normally be expected in a residential neighborhood, and any need for parking generated by the conduct of such home occupation shall be met off the street and other than in a required front yard.
[9] 
No equipment or process shall be used in such home occupation which creates noise, vibration, glare, fumes, odors or electrical interference detectable to the normal senses off the lot, if the occupation is conducted in a single-family residence. In the case of electrical interference, no equipment or process shall be used which creates visual or audible interference in any radio or television receivers off the premises or which causes fluctuations in line voltage off the premises.
B. 
Conditional uses. (Reserved)
C. 
Uses by special exception, subject to the provisions of Article XXVIII.
(1) 
Utility installation, subject to the exemptions of § 210-221, provided that:
(a) 
No public business office is operated.
(b) 
Any storage of parts and equipment is incidental to the primary use and is enclosed in a building.
(2) 
A cellular telecommunications facility with antennas attached to a nonresidential building or a structure of a permitted church, municipal or governmental building or facility and a building or structure owned by a public utility regulated by the Pennsylvania Public Utility Commission, subject to the applicable provisions of Articles XXA and XXVIII.
[Added 11-5-2008 by Ord. No. 325]
A. 
Single-family detached dwelling constructed, altered, renovated and/or added to pursuant to Township approval of a development plan prior to May 11, 1959, in any R-3 Residence District.
(1) 
Lot area. A lot area not less than 15,000 square feet per family shall be provided for every building hereafter erected, altered or used in whole or in part as a dwelling.
(2) 
Lot width. The lot for each dwelling hereafter erected or altered shall have a width at the building line of not less than 75 feet.
(3) 
Building area. The building area shall not exceed 25% of the lot area.
(4) 
Minimum structure setback.
(a) 
Front yard: 30 feet from each street right-of-way on which the lot abuts.
(b) 
Side yards, either side: 15 feet; total of 30 feet for both.
(c) 
Rear yard: 25 feet.
B. 
Single-family detached dwelling constructed, altered, renovated and/or added to pursuant to Township approval of a development plan subsequent to May 11, 1959, in any R-3 Residence District.
(1) 
Lot area. A lot area not less than 30,000 square feet per family shall be provided for every building hereafter erected, altered or used in whole or in part as a dwelling.
(2) 
Lot width. The lot for each dwelling hereafter erected or altered shall have a width at the building line of not less than 100 feet.
(3) 
Building area. The building area shall not exceed 25% of the lot area.
(4) 
Minimum structure setback.
(a) 
Front yard: 50 feet from each street right-of-way on which the lot abuts.
(b) 
Side yards, either side: 25 feet; total of 50 feet for both.
(c) 
Rear yard: 30 feet.
C. 
Other permitted uses. Yard and area regulations shall be the same as for such uses in R-1 Residence District.
See design guidelines of Article XIII for the Concordville Village Overlay District.
See Article XXI.
See Article XXIII.
See Article XXII.
See the Subdivision and Land Development Ordinance.[1]
[1]
Editor's Note: See Ch. 160, Subdivision and Land Development.