ADU2021-00010 NOTICE OF TYPE I DECISION
ACCESSORY DWELLING UNIT ADU2021-00010
POLYGON AT ROSHAK RIDGE LOT 204
120 DAYS = May 21, 2021
SECTION I. APPLICATION SUMMARY
FILE NAME: POLYGON AT ROSHAK RIDGE LOT 204
CASE NO.: Accessory Dwelling Unit(ADU) ADU2021-00010
PROPOSAL: The applicant proposes to construct a new single detached house with one (1)
attached accessory dwelling unit(ADU).
APPLICANT: Pacific Community Design,Inc.
Atm:Stacy Connery
12564 SW Main Street
Tigard,OR 97223
OWNER: Taylor Morrison
Attn: Chris Walther
703 Broadway Street, Suite 510
Vancouver,WA 98660
LOCATION: 16574 SW Darwin Loop;WCTM 2S107AA,Tax Lot 20400
BASE ZONE: R-7: Medium-Density Residential Zone
APPLICABLE
REVIEW
CRITERIA: Community Development Code(CDC) Chapter 18.220
SECTION II. DECISION
Notice is hereby given that the City of Tigard Community Development Director's designee has
APPROVED the above request.The findings and conclusions on which the decision is based are noted in
Section IV.
ADU2021-00010 POLYGON AT ROSHAK RIDGE LOT 204 1
SECTION III BACKGROUND INFORMATION
Site Information:
The subject property was originally approved as part of the Polygon at Roshak Ridge Planned Development
in 2015 (Master Case No. PDR2015-00002), which is located at the northeast intersection of SW Bull
Mountain Road and SW Roy Rogers Road. The subject lot is currently vacant and undeveloped, and it is
located in the Medium-Density Residential Zone (R-') and the River Terrace Plan District.
SECTION IV. APPLICABLE REVIEW CRITERIA AND FINDINGS
18.220 Accessory Dwelling Units:
18.220.040 Approval Criteria
The approval authority will approve or approve with conditions an accessory dwelling unit
application when all of the standards in Section 18.220.050 are met.
18.220.050 Standards
A. Number of dwelling units.
1. A maximum of 2 accessory dwelling units are allowed per single detached house.
FINDING:The property will contain one(1) new single detached house,and the applicant proposes to
construct one (1) attached ADU.This standard is met.
2. A maximum of 1 detached accessory dwelling unit is allowed per single detached house.
A second accessory dwelling unit must be attached to the primary dwelling unit.
FINDING:The applicant is not proposing a detached ADU.This standard does not apply.
B. Size.
1. The maximum size of a detached accessory dwelling unit is 800 square feet.
FINDING:The applicant is not proposing a detached ADU.This standard does not apply.
2. The square footage of each attached accessory dwelling unit may not exceed the square
footage of the primary dwelling unit.
Unit Size
Primary Dwelling Unit 2,553 square feet
ADU 1,493 square feet
FINDING:The applicant proposes to construct a new single detached house with one(1) attached ADU.
As demonstrated in the table above,the attached ADU does not exceed the square footage of the primary
dwelling unit. This standard is met.
C. Height.
1. The maximum height of a detached accessory dwelling unit is 25 feet.
FINDING:The applicant is not proposing a detached ADU.This standard does not apply.
2. A structure containing an attached accessory dwelling unit may not exceed the
maximum height for a single detached house in the base zone.
ADU2021-00010 POLYGON A'1'ROSI IAK RIDGE LOT 204 2
FINDING:The subject property was originally approved as part of the Polygon at Roshak Ridge Planned
Development (Master Case No. PDR2015-00002),which only included a maximum height restriction for
lots located along the perimeter of the River Terrace Plan District.The subject property is not located along
the perimeter of the River Terrace Plan District;therefore,there is no maximum height restriction for this
lot. The applicant's proposed ADU will be attached to a new single detached house.The single proposed
structure containing both units will be between 26 to 27 feet in height,as shown on the applicant's elevation
drawings. This standard is met.
D. Setbacks.Accessory dwelling units must meet the setback standards for a single detached house
in the base zone, with the exception that a detached accessory dwelling unit may be located
within 5 feet of the rear property line if the accessory dwelling unit is 15 feet or less in height.
Minimum Setbacks Approved under Master Case Proposed
No. PDR2015-00002
Front 12 feet >16 feet
Front Porch 8 feet >16 feet
Street Side 8 feet N/A
Side 3 feet 1 >3 feet
Rear 10 feet 17 feet
Garage 20 feet 20 feet
FINDING:The subject property was originally approved as part of the Polygon at Roshak Ridge Planned
Development (Master Case No. PDR2015-00002) with modified setbacks for the R-7 Zone, which are
outlined in the table above. The single proposed structure containing both units will meet or exceed the
minimum setback standards as shown in the table above and on the applicant's site plan. This standard is
met.
E. Lot coverage. Accessory dwelling units must meet the lot coverage standards for a single
detached house in the base zone.
FINDING:The maximum lot coverage standard for a single detached house in the R-7 Zone is 80 percent.
The applicant's site plan confirms that the lot coverage for all structures and impervious surfaces on the
subject property will be less than 80 percent.This standard is met.
F. Entrances. Only one attached accessory dwelling unit may have an entrance on the facade
facing the front property line.The entrance to a second attached accessory dwelling unit must
be oriented to a side,street side,or rear lot line.
FINDING: The entrance to the primary dwelling unit will be on the front facade, and the entrance to
the ADU will be on the side facade. This standard is met.
G. Home occupations. Type II Home Occupations are prohibited on a lot with two accessory
dwelling units.
FINDING: City records for this property show no current home occupation permits on file. This
standard is met.
H. Accessory dwelling units in accessory structures. Accessory dwelling units may be added to
existing accessory structures such as garages, subject to the maximum square footage and
height restrictions for each,as measured using the method provided in Section 18.40.130.
ADU2021-00010 POLYGON AT ROSHAK RIDGE LOT 204 3
FINDING: The applicant is not proposing to create an ADU in an accessory structure. This standard
does not apply.
CONCLUSION: This proposal is to construct a new single detached house with one (1) attached
ADU, and is in compliance with the applicable requirements of this Title.
SECTION V. PROCEDURE AND APPEAL INFORMATION
Notice:
Notice was provided to:
X The applicant and owner
Final Decision:
An accessory dwelling unit application is processed through a Type I procedure.As such,this decision is
final for purposes of appeal on the date it is mailed or otherwise provided to the applicant, whichever
occurs first.This decision is not appealable locally, and is the final decision of the City.
THIS DECISION IS FINAL ON JANUARY 26, 2021,
AND BECOMES EFFECTIVE ON JANUARY 27, 2021.
Questions:
If you have any questions, please contact Lina Smith at(503) 718-2438 or LinaCSnae,tiWd-�or.¢ov.
January 26.2021
APPROVED BY: Lina Smith,Assistant Planner
Community Development Director's Designee
ADU2021-00010 POLYGON AT ROSHAK RIDGE LOT 204 4
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PUBLIC STREETS: 8'
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DIF-N].3 I ton FIRE
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4'r SF / ' 204 T r 4.500 SF ATTACHED SINGLE FAMILY UNR(SFU):
a / / PORCH 4.500 Sr I 05 ) (FRONT LOAD SHARED ACCESS DRIVE)
1 UNIT W/2 CAR GARAGE= 2 SPACES
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CASEFILE(S): POLYGON AT ROSHAK RIDGE
PDR 2015-00002
u
PDR 2016-0000200006 16574 SW DARWIN LOOP