Disclaimer: The information contained on this page is being made available as a convenience to our users, and is NOT to be considered an official citation to the King County Code. While we make every effort at accuracy, errors can and do occur, and information is subject to change without notice. Please check official publications to ensure accuracy of citations.
Base zoning codes may be modified by one of more of the following development codes:
| P: | Parcel-specific condition |
| SO: | Special district Overlay |
| DPA: | Demonstration Project Area |
"DU" stands for "Dwelling Unit"
| A-10 | Agricultural, one DU per 10 acres |
| A-35 | Agricultural, one DU per 35 acres |
| F | Forest |
| M | Mineral |
| RA-2.5 | Rural Area, one DU per 5 acres (not a typo) |
| RA-5 | Rural Area, one DU per 5 acres |
| RA-10 | Rural Area, one DU per 10 acres |
| UR | Urban Reserve, one DU per 5 acres |
| R-1 | Residential, one DU per acre |
| R-4 | Residential, four DU per acre |
| R-6 | Residential, six DU per acre |
| R-8 | Residential, eight DU per acre |
| R-12 | Residential, 12 DU per acre |
| R-18 | Residential, 18 DU per acre |
| R-24 | Residential, 24 DU per acre |
| R-48 | Residential, 48 DU per acre |
| NB | Neighborhood Business |
| CB | Community Business |
| RB | Regional Business |
| O | Office |
| I | Industrial |