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Yamhill City Zoning Code

CHAPTER 10

20 R-3 MIXED-RESIDENTIAL ZONE

§ 10.20.010 Purpose.

The purpose of the R-3 zone is to permit single-family dwellings and their accessory structures, duplex dwellings and their accessory structures, accessory dwelling units and permit the integration of multi-family dwellings. The target net density is 5.4 to 30 dwelling units per acre.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.020 Use.

Within an R-3 Mixed-Residential Zone, no building, structure or premises shall be used, arranged or designed to be used, erected, structurally altered, or enlarged except for one or more of the following uses:
(A) 
Single-family dwelling including manufactured dwellings, mobile homes, manufactured homes, or prefabricated structures meeting all lot size requirements of the zone and subject to the provisions of Section 10.80.020 (Design Standards for Manufactured Homes, Manufactured Dwellings, or Prefabricated Structures on Individual Lots).
(B) 
Duplex dwelling meeting all lot size and setback requirements of the zone.
(C) 
Multi-family dwellings (with Site Development Review as per Section 10.20.040).
(D) 
Tiny house developments (with Development Permit as per Section 10.20.040 or Planned Unit Development approval as per Chapter 10.124).
(E) 
Accessory dwelling unit subject to the provisions of Chapter 10.116.
(F) 
Affordable housing.
(G) 
Assisted living facility.
(H) 
Government assisted housing.
(I) 
Residential home.
(J) 
Residential facility.
(K) 
Single room occupancy.
(L) 
Playgrounds, parks.
(M) 
Gardens, orchards and crop cultivation, provided no stable or barn, cattle or other livestock or poultry is maintained in connection therewith, except as provided in Section 10.20.030, and provided no sales area or retail business is operated in connection therewith, and provided that all other applicable regulations are complied with, and provided further, in no instance shall goats or pigs be maintained on any lot within the City limits.
(N) 
Accessory Uses and Structures (subject to the requirements of Chapter 10.72).
(1) 
Customary residential accessory building for private use, such as pergola, greenhouse, hot house, hobby shop, or summer house, above-ground pool, patio, enclosed or covered patio, woodshed, quarters for domestic animals maintained as pets of the residents. This shall not include livestock of any kind including cattle, or other livestock or poultry, except as provided in Section 10.20.030. In no instance shall goats or pigs be maintained on any lot within the City limits;
(2) 
Fallout shelters;
(3) 
Fences;
(4) 
A private garage for not more than three motor vehicles for each single-family dwelling on the same lot with or within the dwelling to which it is accessory and in which no garage business or industry is conducted;
(5) 
Storage for a commercial vehicle with a maximum of one commercial vehicle per dwelling. No garage business or industry shall be conducted on the property;
(6) 
Swimming pools for private use that are built below grade requiring a building permit and subject to the requirements of Chapter 10.72.
(O) 
Home occupation, subject to the provisions of Chapter 10.96.
(P) 
Child care center.
(Q) 
Family child care home.
(R) 
Private parking area within 500 feet of the CBD Overlay.
(S) 
Planned unit development, subject to the provisions of Chapters 10.112 and 10.124.
(T) 
Mobile home and manufactured dwelling parks.
(U) 
Right-of-way (subject to provisions of Section 10.48.080, Underground Utility Installation) for:
(1) 
Electric service lines;
(2) 
Gas mains;
(3) 
Communications lines;
(4) 
Water lines;
(5) 
Sewer lines; and
(6) 
TV cable lines.
(Ord. 454 §2, 2000; Ord. 515 §1, 2017; Ord. 545, 7/9/2025)

§ 10.20.030 Conditional Uses.

When authorized under the procedure provided for conditional uses in this Title, the following uses will be permitted in an R-3 zone:
(A) 
Miscellaneous Uses.
(1) 
Beauty shop where no assistants are employed.
(B) 
Boat, camper, equipment and trailer storage area on a lot, subject to the provisions of Chapters 10.104 and 10.108.
(C) 
Livestock maintained on lots, subject to the provisions of Chapters 10.104 and 10.108.
(D) 
Other uses which can meet the provisions of Section 10.104.030, Circumstances for Granting Conditional Uses.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.040 Uses Requiring Site Development Review.

When authorized under the procedure provided for Site Development Review in this Title, the following uses will be permitted in an R-3 zone per Chapter 10.112:
(A) 
Semi-Public, Parochial and Private Buildings and Structures.
(1) 
Religious institutions;
(2) 
Community or neighborhood club buildings, swimming pools and other allied facilities when erected by a non-profit community club for the improvement of the zone or social recreation of the members.
(B) 
For multifamily dwellings a development plan shall be submitted to the Planning Official for its approval. Such plan shall show the location of all existing and proposed buildings and structures, parking areas, drainage facilities, utility services, access points, lighting, signs, landscaping and other such data as may have a bearing on the adjacent properties.
(C) 
Manufactured dwelling parks and mobile home parks, subject to the provisions of Chapters 10.112 and 10.120.
(D) 
Tiny house developments, subject to the provisions of Chapters 10.112 and 10.120.
(E) 
Assisted living facility.
(F) 
Residential facility.
(G) 
Child care center.
(H) 
Parks.
(I) 
Public Facilities Overlay Zone, including educational, municipal and public facilities.
(J) 
Public utility structures when they comply with all yard and setback requirements.
(K) 
Other structures/facilities which can meet the provisions of Section 10.112.030, Circumstances for Granting Site Development Review.
(Ord. 454 §2, 2000; Ord. 515 §1, 2017; Ord. 545, 7/9/2025)

§ 10.20.050 Height of Building.

No building or structure shall exceed 35 feet in height as measured using the Oregon Structural Specialty Code.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.060 Yard Setback Requirements.

In an R-3 zone, each lot shall have yards of the following size unless provided for in Section 10.76.050 (General Exceptions to Yard Requirements):
(A) 
Rear Yards. There shall be a rear yard on every lot in an R-3 zone, which rear yards shall have a minimum depth of 15, except for multi-family which shall be 20 feet.
(B) 
Side Yards. There shall be a side yard on each side of the main building on every lot in an R-3 zone in width of five feet; however, any side yard provided adjacent to a street shall not be less than 10 feet, except for multi-family which shall be 20 feet.
(C) 
Front Yard. Every building erected, constructed or altered in a zone shall have a front yard of not less than 15 to a living space and 20 feet to a garage. The setback shall be 20 feet for multi-family. When by this Title or any other regulations a greater setback or a front yard of greater depth is required than specified in this chapter, then such greater setback line or front yard depth shall apply.
(D) 
The yard width between two or more buildings, excluding duplex dwellings, but including multi-family dwellings, on the same lot shall not be less than 15 feet.
(E) 
Landscaped Yards. Multifamily dwellings shall include landscaped yards provided according to or in excess of the following:
(1) 
For each multi-family dwelling unit, 500 square feet of landscaped yard shall be provided for each unit, plus 100 square feet per each additional bedroom over three in each unit.
(2) 
All required yards adjacent to a street shall be landscaped, save that portion devoted to accessing off-street parking. Such landscaping may be counted in fulfilling the requirements of the preceding section.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.070 Lot Size, Width, and Depth.

(A) 
In an R-3 zone, except as noted in subsection (C) below, the minimum requirements for lot area shall be 6,000 square feet. The width of the lot at the building line shall be not less than 60 feet.
(B) 
The minimum requirements for lot area for multi-family dwellings shall be based on the number of dwelling units. (See table). No main building or group of main buildings shall occupy more than 60% of the lot area, and no detached accessory structure may occupy more than 25% of any side or rear yard.
Multifamily Dwelling Lot Area Requirements
No. of Dwelling Units
Lot Area (Sq. Ft.)
3
10,000
4
12,000
5
14,000
6
16,000
7
18,000
8
20,000
9
22,000
10
24,000
11 or more
4,000 + 2,000* number of dwelling units
(C) 
In an R-3 zone, a lot on which one legally established duplex dwelling exists or is being built may be divided so as to allow the duplex dwelling to be divided and have separate ownerships of each dwelling and the associated portion of the original lot in accordance with Chapter 11.14, and providing all State of Oregon Residential Structure Specialty Code requirements are met. The minimum requirements for lot area shall be no less than 50% of the minimum required lot area for a non-divided duplex dwelling. The width of each lot at the building line shall be not less than 30 feet.
(Ord. 454 §2, 2000; Ord. 515 §1, 2017; Ord. 528 §1, 2020; Ord. 545, 7/9/2025)

§ 10.20.080 Development Regulations.

(A) 
All developments shall be subject to the provisions of Chapter 10.48, General Provisions.
(B) 
All accessory structures, except accessory dwelling units, shall be subject to the provisions of Chapter 10.72, Accessory Structures.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.090 Parking Requirements.

All new developments shall require off-street parking, which shall be in accordance with Chapter 10.52, Off-Street Parking and Loading.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.100 Bicycle Requirements.

All new developments shall require bicycle parking, which shall be provided in accordance with Chapter 10.56, Bicycle Parking.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.110 Fence Regulations.

All new developments shall adhere to the fence regulations, which shall be provided in accordance with Chapter 10.60, Fence and Wall Regulations.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.120 Clear-Vision Area.

All new developments shall adhere to the clear-vision requirements which shall be provided in accordance with Chapter 10.68, Clear-Vision Area.
(Ord. 454 §2, 2000; Ord. 545, 7/9/2025)

§ 10.20.130 Sign Regulations.

All signs shall be subject to the provisions of Chapter 10.64, Sign Regulations.
(Ord. 454 §2, 2000)