[Amended 2-28-2005 by Ord. No. 04-190Z]
In expansion of the purpose and community development objectives contained in Article I, § 230-2, of this chapter, as amended, the primary intent of this District is to provide low-density residential land use in accordance with the Future Land Use Plan of the Montgomery Township Comprehensive Plan, as amended from time to time.
[Amended 7-1-1991 by Ord. No. 17-063; 2-28-2005 by Ord. No. 04-190Z]
A building may be erected, altered or used and a lot may be used or occupied for any one of the following principal purposes and no other, unless specifically provided for herein, i.e., home occupations.
A. 
One single-family detached dwelling.
B. 
Municipal parks and municipal recreation facilities.
C. 
Agriculture I uses, provided that such uses are located on a lot of 10 acres or larger in size.
[Amended 12-17-2007 by Ord. No. 07-226Z]
D. 
Passenger shelter for local stops of public transportation.
E. 
Any of the following purposes when authorized as a special exception:
(1) 
Educational and/or religious use, provided that such use is located on a lot five acres or larger in size, buildings are set back at least 100 feet from all property lines, impervious lot coverage shall not exceed 30% of the total lot area, parking areas are set back at least 30 feet from all property lines and all other regulations of the R-1 Residential District are met.
(2) 
Day camp, provided that such use is located on a lot 10 acres or larger in size, impervious lot coverage does not exceed 30% of the total lot area, buildings are set back at least 100 feet from all property lines, parking areas are set back at least 30 feet from all property lines, and all other regulations of the R-1 Residential District are met.
(3) 
(Reserved)
(4) 
Golf course, athletic field, riding academy, or other outdoor recreational use with less than 5% impervious lot coverage.
(5) 
Cemetery, provided that the parcel devoted to this use shall contain not less than 10 acres.
(6) 
Group day-care home, subject to the provisions of Article XXI herein.
F. 
Signs, subject to the provisions of Article XVIII.
G. 
Accessory use on the same lot with and customarily incidental to any of the foregoing uses.
H. 
Family day-care home, subject to the provisions of Article XXI, § 230-156.1, herein.
[Added 7-1-1991 by Ord. No. 17-063]
I. 
Such wireless telecommunications facilities as permitted by right, special exception or conditional use, depending on the type of facility, in compliance with Article XXX herein.
[Added 1-11-1999 by Ord. No. 98-97Z]
J. 
Open space design overlay option.
[Added 10-22-2012 by Ord. No. 12-264Z; amended 4-8-2013 by Ord. No. 13-273Z]
(1) 
For an applicant seeking a lot size reduction, the open space design option may be used only on property designated as open space design overlay option eligible on the Montgomery Township Zoning Map, and only after obtaining a conditional use approval from the Board of Supervisors, which shall be subject to the following criteria:
(a) 
Tract size. Any tract of land to be developed shall be a minimum of eight acres in area. Subsequently, an adjoining tract of land of any size may be added to the initial tract and become subject to the open space design overlay option criteria set forth herein, when approved as a conditional use and subject to a revised Master Plan.
(b) 
Ownership. Land proposed for this option shall be under single and separate ownership or be subject to a unified application.
(c) 
Common open space. At least 20% of the area of the tract, or 1,500 square feet per dwelling unit, whichever is greater, shall be set aside as common open space. Common open space areas shall be contiguous with open space areas on adjacent tracts wherever possible, and shall be designed in a manner acceptable to the Board of Supervisors. Common open space areas shall be deed restricted to allow public use and to prevent further development.
(d) 
Required transportation improvements. Applicants seeking to develop property under the open space design overlay option shall dedicate any land necessary for the construction and right-of-way of new public roads (or extensions of existing public roads) which are an essential element of Montgomery Township-supported roadway or signalization improvements. In addition to providing the required dedication, the applicant shall design, obtain necessary approvals, construct and dedicate required improvements.
(e) 
Master Plan. Applicants seeking to develop property under the open space design overlay option must submit a Master Plan indicating how interior roadway access will be provided to adjacent parcels in conjunction with its application.
(f) 
Utilities. The tract shall be served by public sewer and public water facilities.
(2) 
Development regulations.
(a) 
Density. The maximum number of dwelling units permitted shall be two dwelling units per developable acre.
(b) 
Dimensional standards.
[1] 
Minimum lot frontage: 70 feet.
[2] 
Open space preservation easements. On land not dedicated as open space, open space easements to the Township shall be placed on all floodplains, wetlands and watercourses for environmental preservation and passive recreation purposes, including trails.
[3] 
Minimum lot size: 10,000 square feet (exclusive of areas within utility easements, steep slopes, floodplain and wetlands).
[4] 
Minimum front yard setback: 30 feet.
[5] 
Minimum rear yard setback: 30 feet.
[6] 
Minimum side yard setback: 10 feet.
[7] 
Maximum building height: 35 feet.
[8] 
Maximum building coverage per lot: 25%.
[9] 
Maximum impervious coverage per lot: 35%.
[10] 
Minimum parking requirements per dwelling unit: two off-street spaces plus garage.
[11] 
Minimum guest parking requirements: 0.75 off-street space per unit.
(3) 
Permitted uses. All allowed uses in the R-1 Zone and such other accessory uses which are permitted in the underlying zone are consistent with an approved master site plan.
(4) 
Additional dimensional and development regulations. For reasons of traffic safety and congestion, vehicular access from existing streets shall be limited to a minimal number of major access locations. These intersections shall be justified by a traffic impact analysis that complies with the Township's requirements. Otherwise, all new development shall be internalized so that access occurs from new internal streets.
The maximum height of buildings and other structures erected or enlarged in the district shall be:
A. 
For any dwelling: 35 feet, not exceeding 2 1/2 stories.
B. 
For any nondwelling, farm building or other structure: 35 feet, except that such height may be increased to a maximum of 65 feet, provided that for every foot of height in excess of 35 feet there shall be added to each yard requirement one corresponding foot of width or depth.
A. 
Minimum lot area and width. A lot area of not less than 40,000 square feet and a lot width of not less than 200 feet at the building line shall be provided.
B. 
Front yard. There shall be a front yard on each lot which shall be not less than 60 feet in depth.
C. 
Side yards.
(1) 
On each interior lot there shall be two side yards having an aggregate width of not less than 60 feet, neither side yard having a width of less than 15 feet.
(2) 
On each corner lot there shall be two side yards, the side yard abutting the street having a width of not less than 60 feet and the side yard not abutting the street having a width of not less than 20 feet.
D. 
Rear yard. There shall be a rear yard on each lot, the depth of which shall be not less than 30 feet.
E. 
Building coverage. Not more than 10% of the area of any lot shall be occupied by buildings.
F. 
Landscaping and screening. All landscaping, screening and buffering shall be installed in accordance with the provisions of the Montgomery Township Subdivision Ordinance No. 18, Chapter 205, Article VI.
[Added 8-3-1987 by Ord. No. 17-033]
G. 
Impervious surface ratio.
[Added 7-23-2007 by Ord. No. 07-219Z]
(1) 
The maximum impervious surface ratio permitted on a lot used for a single-family detached dwelling or agriculture shall be 30%.
(2) 
The maximum impervious surface ratio permitted on a lot used for any other purpose permitted in the district shall comply with the provisions of § 230-26E or, if not specifically regulated, shall not exceed 30%.
[Added 7-28-1986 by Ord. No. 17-037]
See Article XXI of this Zoning Ordinance for general provisions that may also relate to this District.