[Ord. No. 77-1, § 2.]
In R3 districts, land and buildings may be used only for the purpose set forth in sections 17A-241 through 17A-244.
[Ord. No. 81-39, § 2]
The following uses are permitted as of right, subject to the bulk regulations, parking requirements and other regulation set forth or referred to below:
(a) 
Residential uses.
(1) 
One-family dwellings.
(2) 
Two-family dwellings.
(b) 
Nonresidential uses.
(1) 
Public parks and playgrounds.
(c) 
Accessory uses.
(1) 
Accessory signs as permitted in division 6, subdivision I, sections 17A-367 through 17A-372 of this chapter.
(2) 
Accessory parking spaces and other accessory uses as permitted in the R1 district including secondary residences, subject to the limitations set forth in R1 districts, section 17A-228: except that within a dwelling other than a one-family dwelling, only one room may be rented for residential purposes, for occupancy by not more than two persons; and no secondary residence shall be permitted.
[Ord. No. 77-1, § 2; Ord. No. 95-21, § I; Ord. No. 98-9, § I]
The following additional uses may be authorized as conditional uses, subject to the provisions of section 17A-208 and to the bulk regulations set forth or referred to below:
(a) 
Residential uses.
(1) 
Attached dwellings or multiple dwellings, on lots of three acres or more; provided, that no building length shall exceed 120 feet.
(b) 
Nonresidential uses.
(1) 
Churches and other places of worship.
(2) 
Public schools, and private schools not operated for profit.
(3) 
Private parks and playgrounds.
(4) 
Public buildings, libraries, philanthropic institutions, nursing homes and buildings for the exclusive use of an educational institution or for the exclusive use of a nonprofit organization serving the interests of such educational institution.
(5) 
Clubhouses, except for clubs whose principal activity is usually carried on as a business.
(6) 
Railroad and public utility buildings, installations and rights-of-way needed to serve the general welfare of all or a significant part of the community; provided, that the board of adjustment determines that no other reasonable location in a less restricted district can be used for the purpose contemplated.
(7) 
Amateur radio receiving and transmitting towers more than 15 feet but less than 50 feet in height; provided, that any such tower shall not be located closer to any lot line or street line than its height, and in no event within a front yard or side yard.
(8) 
Personal wireless telecommunications facilities and personal wireless telecommunications equipment facilities, as defined in section 17A-201 shall be permitted as a conditional use, subject to the provisions of section 17A-208.
[Ord. No. 77-1, § 2; Ord. No. 83-38, § 3]
All uses permitted under the provisions of Sections 17A-242 and 17A-243 shall be subject to the additional use regulations set forth in sections 17A-364, 17A-365, 17A-366, and 17A-373.
[Ord. No. 77-1, § 2]
The bulk regulations contained in sections 17A-245 through 17A-248 apply to all buildings and land in R3 districts.
[Ord. No. 77-1, § 2; Ord. No. 2006-07, § 4; Ord. No. 2018-24 § 10]
One-Family Dwellings
Two-Family Dwellings
Attached Dwellings
Multiple Dwellings
Maximum permitted:
Height
Feet
35
40
40
40
Stories
3
3
3
3
Coverage (percent)
n/a
n/a
25
30
FAR (percent)
40
45
45
45
Minimum required:
Total lot area
Square feet
130,680
130,680
For each dwelling unit (sq. ft.)
Lot area
7,200
5,000
4,000*
Lot area per number of habitable rooms
One or two
3,600
Three
4,000
Four
4,200
Each additional
200
Usable open space per number of habitable rooms
600*
One or two
200
Each additional
200
Lot width
60
60
End lot
40**
Interior lot
20**
Lot depth
100
100
80**
Front yard***
25
25
20**
20
Side yards
Combined side yard
20
20
40
Smaller side yard
8
8
20
End lot, one side yard
20**
Rear yard
35
35
25**
35
Building height to setback ratio (maximum)
3.0:1
3.0:1
n/a
na
Maximum number of units per structure
3
3
* For attached dwellings, part of this area may be provided as common land, directly accessible from the lot of each individual dwelling unit, provided that the lot of each individual dwelling unit shall have not less than the minimum lot width and lot depth
** For lot of individual dwelling unit
*** See section 17A-376.1
Dimensions in feet unless otherwise noted
[Ord. No. 77-1, § 2]
For churches and other places or worship, public and private schools, libraries, public buildings, philanthropic institutions, hospitals, nursing homes, clubhouses, railroad and public utilities installations and buildings for the exclusive use of an educational institution or for the exclusive use of a nonprofit organization serving the interests of such educational institution:
(a) 
The height shall not exceed four stories or 50 feet.
(b) 
The coverage shall not exceed 30%.
(c) 
No building shall be erected less than 50 feet from any street line or lot line.
[Ord. No. 77-1, § 2; Ord. No. 83-38, § 3]
The additional bulk regulations set forth in division 6, subdivision II of this chapter and in section 17A-403 shall also apply in R3 districts.
[Ord. No. 77-1, § 2]
In R3 districts, accessory off-street parking spaces, open or enclosed, shall be provided for all new construction and for conversions, and accessory off-street loading berths, open or enclosed, shall be provided for new permitted nonresidential uses, in accordance with the regulations set forth and referred to in sections 17A-249 through 17A-252. All such parking spaces and loading berths shall be subject to the provisions of division 6, subdivision III of this chapter.
[Ord. No. 77-1, § 2.]
One-Family Dwellings
Two-Family Dwellings
Attached Dwellings
Multiple Dwellings
Required parking spaces
Per dwelling unit
1
1 1/2
1
1 1/2
For accessory uses
Per rented room
1
1
1
Per accessory professional office
1
1
1
1
[Ord. No. 77-1, § 2]
At least one parking space for each:
Public and private secondary schools
6 seats or students
Public and private elementary schools
12 seats or students
Places of worship, libraries
200 square feet of floor area, but not less than one space for each 5 seats
Hospitals
1 bed
Nursing homes and philanthropic institutions
3 beds
For any other permitted buildings and uses for which no requirements are set forth above, appropriate and comparable off-street parking requirements shall be determined by the planning board; taking into consideration the amount of traffic to be generated thereby, the likelihood of all day or short term use of parking spaces, the location and the availability of other means of access and other factors affecting the amount of traffic likely to be generated and the need for parking.
[Ord. No. 77-1, § 2]
Accessory loading berths, open or enclosed, shall be provided for non-residential uses, except churches, as follows:
(a) 
For floor area of 10,000 to 25,000 square feet: one berth
(b) 
For each additional 75,000 square feet of floor area or fraction thereof: one additional berth