The purpose of the R-1 (single-family residential) zone is to provide areas for three-and-one-half dwelling units per gross acre and areas of different lot sizes through the use of the R-1-6, R-1-8, R-1-10 and R-1-12 subzones and the specific regulations for each subzone as specified in this chapter.
(Ord. 408, 1987)
The following uses are permitted in the R-1 zone:
A. 
Those uses which are permitted uses within the R-1-E (single-family residential estate) zone;
B. 
Single-family dwelling units not exceeding a density of three-and-one-half dwelling units per gross acre;
C. 
ADUs subject to Chapter 17.715;
D. 
JADUs subject to Chapter 17.715.
(Ord. 408, 1987; Ord. 1083, 2/25/2025)
The following uses require special consideration and approval of a conditional use permit in accordance with Chapter 17.830:
A. 
Those conditionally permitted uses within the R-1-E (ranchette estate) zone;
B. 
Residential projects with a density exceeding three-and-one-half dwelling units per gross acre, however, no project shall exceed the maximum density of six dwelling units per gross acre;
C. 
Subdivisions having a reduced lot size, patio houses, row houses, apartments and similar housing developments provided as follows:
1. 
The entire parcel or a group of parcels are master planned,
2. 
Any increases in density are offset by lessor densities or greater lot sizes within the development or through the provision of permanent open space so that the overall density is within the range of 1.1 to six dwelling units per gross acre.
(Ord. 408, 1987)
The following regulations shall apply to the R-1 zone and subzones:
A. 
Minimum lot area: for each subzone as follows:
1. 
R-1-6 zone: six thousand square feet,
2. 
R-l-8 zone: eight thousand square feet,
3. 
R-1-10 zone: ten thousand square feet,
4. 
R-1-12 zone: twelve thousand square feet;
B. 
Minimum lot width: for each subzone as follows except as provided for in H-1:
1. 
R-1-6 zone: sixty feet,
2. 
R-1-8 zone: seventy feet,
3. 
R-1-10 zone: eighty feet,
4. 
R-1-12 zone: ninety feet;
C. 
Maximum lot depth: one hundred fifty feet;
D. 
Minimum front yard: twenty feet;
E. 
Minimum lot frontage: one-half the required lot width;
F. 
Minimum side yards: for each subzone as follows except as provided for in H-2 and H-3:
1. 
R-1-6 zone: minimum—five feet, sum of both sides—fifteen feet,
2. 
R-1-8 zone: minimum—seven feet, sum of both sides—twenty feet,
3. 
R-1-10 zone: minimum—nine feet, sum of both sides—twenty-five feet,
4. 
R-1-12 zone: minimum—twelve feet, sum of both sides—thirty feet;
G. 
Minimum rear yard: twenty feet;
H. 
Exceptions.
1. 
The lot width for lots on culs-de-sac, curvilinear streets, etc. shall be measured thirty feet from the front property line,
2. 
Lots having no direct vehicular access to the rear yard from a public street or alley shall provide such by maintaining a side yard having a width with unobstructed vertical and horizontal clearance of ten feet,
3. 
Corner lots shall maintain a minimum side yard on the street side of ten feet;
I. 
Maximum Building Height Limit. No main building shall exceed the height of two stories and thirty feet.
(Ord. 408, 1987)
A. 
Design and site development review shall be required for all housing units pursuant to Sections 17.100.003 and 17.100.004.
B. 
Off-street parking shall be provided pursuant to Chapter 17.620 and Section 17.100.004H.
C. 
The parking and storage of boats, trailers and similar vehicles and equipment shall be subject to the provisions of Section 17.620.016.
D. 
Accessory buildings and structures shall be permitted pursuant to the provisions of Chapter 17.660.
E. 
Architectural features may project into any required yard pursuant to the provisions of Chapter 17.660.
(Ord. 408, 1987)