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Development Services

From Concept to Construction

Phone: 503-823-7300

TTY : 503-823-6868

1900 SW 4th Ave, Portland, OR 97201

Other Zoning Requirements

In addition to the base zone standards, the overlay zone standards, and the plan district requirements, there are additional use and development regulations. Three of the more commonly used sections of the code regulate landscaping and screening, parking and loading, and nonconforming situations.

  • Other Zoning RequirementsLandscaping and Screening: See Chapter 33.248. More on Landscaping and Screening. 
  • Parking and Loading: Standards for parking, parking lots, loading areas, bicycle parking and vehicles in residential zones. Standards include minimum and maximum parking, allowed vehicle areas, and landscaping.   See Chapter 33.266 and Parking and Loading.
  • Nonconforming Situations: Regulations regarding non-conforming development, residential densities, and uses. This includes clauses regarding damage, destruction, continuance and expansion as well as documentation of a legal non-conforming situation. See Chapter 33.258.

If your use or development falls into any of the following categories, you will want to check the zoning code for other requirements.

  • Accessory Home Occupations: Standards for running a business out of a home, whether for office work only or if you have customers or an employee. Regulations include hours of operation, types of businesses allowed, and permitting procedures. See Chapter 33.203.
  • Accessory Dwelling Units: Standards for adding a small second dwelling unit to a single family home, whether it is attached or detached. Regulations include size, design, and placement of the accessory dwelling unit. See Chapter 33.205.
  • Aviation: Regulations regarding airports and seaplane ports. See Chapter 33.209.
  • Bed and Breakfast Facilities: Regulations regarding Beds and Breakfasts in Residential Zones, including size, employees, meetings and other social events, and when a Conditional Use Review is required. Note: Bed and Breakfasts in Commercial Zones are treated as Retail Sales and Service uses and are not subject to this Chapter. See Chapter 33.212.
  • Community Design Standards: Design Standards that are an alternative to Design Review. These standards may be used instead of going through Design Review under some circumstances for some districts with a “d” Design overlay zone or in historic Conservation Districts. See Chapters 33.420 and 33.445 to determine Community Design Standards are an option. See Chapter 33.218.
  • Convenience Stores: Regulations for Convenience Stores (stores that are under 4,000 square feet, carry a package liquor license and operate more than 15 hours a day) including the development of Good Neighbor Plans. See Chapter 33.219.
  • Drive-Through Facilities: Standards for Drive-Through facilities including stacking lanes, landscaping, and access. Note: Consult the base-zone standards for a property to determine if Drive-Through facilities are allowed in the zone.See Chapter 33.224.
  • Elderly and Disabled High Density Housing: Standards for gaining density increases or parking reductions for housing designated for elderly or disabled populations, including interior and exterior design standards and development of a covenant. See Chapter 33.229.
  • Floating Structures: Standards for floating structures including houseboats, restaurants, bars. See Chapter 33.236.
  • Group Living: Regulations for uses that fall into the Group Living category as described in Chapter 33.920, Use Categories, including number of residents and spacing between group living facilities. Note: Consult the base zone to determine whether Group Living Uses are allowed in the zone See Chapter 33.239.
  • Helicopter Landing Facilities: Standards for Helicopter Landing Facilities including where they are allowed, noise, safety and other standards.   See Chapter 33.243.
  • Landscaping and Screening: Standards for different types of landscaping and screening. These standards are often referred to in other parts of the Zoning Code, but the specific details of the standards are contained in this Chapter. See. Chapter 33.248.
  • Manufactured Housing and Mobile Home Parks: Standards for both Manufactured Homes on individual lots and for Mobile Home Parks, including size, design, vehicle and pedestrian circulation and outdoor area. See Chapter 33.251.
  • Mining and Waste-Related: Regulations for Mining and Waste-related uses including standards for vehicle areas, landscaping and screening, and reclamation plans for landfills.   See Chapter 33.254.
  • Nonconforming Situations: Regulations regarding non-conforming development, residential densities, and uses. This includes clauses regarding damage, destruction, continuance and expansion as well as documentation of a legal non-conforming situation.   See Chapter 33.258.
  • Off-Site Impacts: Standards for non-residential uses and their impact on uses in the commercial, residential, and open space, including standards for noise, vibration, glare, and odor.   See Chapter 33.262.
  • Parking and Loading: Standards for parking, parking lots, loading areas, bicycle parking and vehicles in residential zones. Standards include minimum and maximum parking, allowed vehicle areas, landscaping, and what types of vehicles are allowed in residential zones.   See Chapter 33.266. More on Parking and Loading.
  • Public Recreational Trails: Standards for construction, use, and maintenance of Public Recreational Trails that are noted on the official zoning maps.   See Chapter 33.272.
  • Radio Frequency Transmission Facilities: Regulations for Radio Frequency Transmission Facilities, including radio towers and cellular towers. Standards include landscaping and screening, and whether a facility requires a Conditional Use review.   See Chapter 33.274.
  • Ready Permit Houses: Regulations for Permit-Ready Houses—those houses where the construction drawings are provided by the City of Portland and are ready for permit issuance without further review. Standards include where the houses are allowed and from what standards the houses are automatically exempt.  See Chapter 33.278.
  • Schools and School Sites: Regulations for Schools including landscaping and screening, bus loading, and whether a Conditional Use review is required.   See Chapter 33.281.
  • Self-Service Storage: Standards for uses that fall in the Self-Service Storage use category as described in Chapter 33.920, Use Categories, including design standards, storage size, and internal circulation standards. Note: Consult the base zone to determine whether Uses are allowed in the zone.   See Chapter 33.284.
  • Short Term Housing and Mass Shelters: Regulations for Short-Term Housing and Mass Shelters as defined in 33.910, Definitions. Standards include where the facilities are allowed, design standards, hours of operation, and whether a Conditional Use review is required.   See Chapter 33.285.
  • Special Street Setbacks: Standards for streets with special setbacks noted on the zoning maps, such as parts of SE Powell Boulevard and SE 82nd Avenue.   See Chapter 33.288.
  • Superblocks: Standards for sites that contain a specified amount of vacated street, including pedestrian circulation and landscaping standards.  See Chapter 33.293.
  • Temporary Activities: Standards for temporary activities such as carnivals, parking lot sales, staging areas, residential sales offices and others.   See Chapter 33.296.

Questions? For further assistance with the land use and zoning regulations that apply to your site, please call us at (503) 823-7526, or visit Planning and Zoning Staff in the Development Services Center. 

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