The Low Density Residential Zone is intended for areas which
are physically isolated from the developed portions of the City, and
for which extension of sewer and water services would be prohibitively
expensive; however, all new sewer and water connections for a proposed
development shall comply with all City regulations. Lands in this
zone must be able to support development with on-site sewage disposal
systems, and comply with all local, state and federal requirements.
Agriculture, open space and residential uses will be permitted in
this zone subject to wetlands, weak foundation soils, and active dune
constraints.
The following uses and their accessory uses are permitted in the R-40 zone if the Community Development Director determines that the uses conform to the standards in Sections
16.24.040 through
16.24.050, applicable Development Code standards, and other City laws:
A. Single-family
detached dwelling.
C. Manufactured home subject to the standards in Chapter
16.168.
E. Residential
(care) facility.
G. Farming,
grazing, truck gardening, orchards and production of nursery stock.
H. A temporary
dwelling for no more than six months while building a permanent residence.
I. Accessory structure, no larger than 1,200 square feet, in conjunction with an existing residence on the same property, and subject to standards of Chapter
16.180.
J. Transportation facilities and improvements subject to the standards of Section
16.20.040.
K. Similar
uses as stated above.
L. Community
garden(s) (see definitions).
M. Incidental
sales of firewood, cut flowers, produce grown on the premises, lemonade,
and similar items.
O. Accessory dwelling that complies with Section
16.180.040.
P. Homestay lodging subject to the standards in Chapter
8.24.
(Ord. 1175-A § 2, 2013; Ord. 1221 § 2, 2018; Ord. 1248 § 2, 2021)
The following uses and their accessory uses may be permitted in the R-40 zone when approved under Chapter
16.220:
B. Public
utility structure.
D. Parks,
playground and community center.
F. Church,
synagogue, or other place of worship.
G. Master planned development with a minimum lot size of three contiguous acres, subject to the provisions in Chapter
16.224.
H. Accessory dwelling that complies with Section
16.180.040.
J. Similar
uses as stated above.
(Ord. 1175-A § 3, 2013)
The following development standards are applicable in the R-40
zone:
A. Density
Provisions.
1. Minimum
lot area for residences with on-site sewage disposal systems: 40,000
square feet.
2. Minimum
lot area for residences connected to the City of Warrenton sewer system:
10,000 square feet.
3. Minimum
lot width at the front building line: 50 feet.
4. Minimum
lot depth: 80 feet.
5. Not
more than 35% of lot area shall be covered by buildings or other impervious
surfaces, except as may be permitted by conditional use permit or
variance.
6. Maximum
building height: 30 feet.
7. Maximum
building height for agricultural buildings, solar collectors, wind
energy systems and radio receivers: 40 feet.
B. Setback
Requirements.
1. Minimum
front yard setback:
a. Lots of 40,000 square feet: 20 feet;
b. Lots of 10,000 square feet: 15 feet.
2. Minimum
side yard setback: 10 feet.
3. Corner
lot minimum street side, side yard setback: 10 feet.
4. Minimum rear yard setback: 10,000 square foot lot, 15 feet; except accessory structures that meet the criteria of Section
16.280.020, may extend to within five feet of the rear property line; and for 40,000 square foot lots the dwelling and any accessory structure must maintain a 15-foot setback.
5. Corner
lot minimum rear yard setback: 10 feet.
C. Government
Building. The following development standards are applicable:
1. Density
provisions:
a. Minimum lot size, government building/uses: none.
b. Minimum lot width, government building/uses: none.
c. Minimum lot depth, government building/uses: none.
d. Maximum building height: 45 feet.
e. Maximum lot coverage, government building/uses: none.
2. Setback
requirements:
a. Minimum front and rear yard setback, government building: 15 feet.
b. Minimum side yard setbacks, government building: 10 feet.
3. Landscaping requirements shall comply with Chapter
16.124 of the Development Code.
4. Any government building shall comply with Chapter
16.116 of the Development Code.