Duplex
In Oregon City, "Duplex" means one of two things.
- Two attached dwelling units on a lot, or
- Where permitted, two detached dwelling units on a lot.
A duplex does not include a primary dwelling and an Accessory Dwelling Unit (ADU) on a lot.
Review Process
Duplexes are processed as a Type I Land Use application usually submitted along with a building permit. Applications are typically reviewed by staff within two weeks.
For more details about the recent code updates, please visit the LEG 22-01 Housing Choices Code Update- Adopted Code page.
Street & Public Improvements Requirements on Infill Lots
Pursuant to OCMC 16.12.011, public improvements including the additional dedication of property and street and sidewalk improvements may be required for new construction and additions of more than 50%, if those improvements were not already constructed to current standards as part of a new residential land division or commercial project. These requirements are subject to maximum cost limitations and constitutional limitations. Modifications to these requirements may be requested through a Type II land use process. Contact the Public Works - Development Services staff for more information about public improvement requirements before finalizing your project design!
Find out More About Your Property
The City's website has a variety of resources available including Property Reports and an online mapping system. You may also call the Planning Division at 503-722-3789.
Oregon City Municipal Code Criteria
In addition to the zoning designation and any special requests, such as Variances, the following chapters of the Oregon City Municipal Code (OCMC) are applicable to duplexes:
For more details about the recent code updates, please visit the LEG 22-01 Housing Choices Code Update- Adopted Code page.
Fees
Check the Planning Fee Schedule for current fees.
Please note: Additional applications and associated fees are required from other departments, agencies, and consultants.
Other Information
In addition to the provided forms, you may also be interested in System Development Charges.