The cities below have imposed annexations increasing their boundaries. Sales tax rates for businesses included in the annexation may be affected. More information can be obtained from the respective city planning departments.
| City |
Location
Code |
Annexation
Name |
Ordinance
Number |
| Bonney Lake | 2701 | Area 1-A | 1208 |
| Bonney Lake | 2701 | Area 1-B | 1218 |
| Bonney Lake | 2701 | Area 3 | 1216 |
| College Place | 3601 | | 965 |
| College Place | 3601 | Watson | 963 |
| College Place | 3601 | Kaylor-Green | 964 |
| College Place | 3601 | Farnsworth | 970 |
| Colville | 3302 | Conservation District | 1360 N.S |
| Colville | 3302 | | 1362 N.S. |
| Ellensburg | 1902 | Poole | 4445 |
| Ellensburg | 1902 | Lindsay | 4444 |
| Everett | 3105 | Clark-East | 2959-06 |
| Everett | 3105 | Silver Lake Elementary | 2961-06 |
| Everett | 3105 | Monroe Elementary | 2960-06 |
| Kennewick | 302 | Hormel | 5157 |
| Lake Stevens | 3109 | Frontier Village | 729 |
| Marysville | 3111 | Bethleham Lutheran Church | 2681 |
| Marysville | 3111 | Marysville First Assembly Of God | 2663 |
| Marysville | 3111 | Sunnyside Elementary | 2660 |
| Maryville | 3111 | Sunnyside-Whiskey Ridge | 2661 |
| Newport | 2605 | Ashton Bay | 1039 |
| Poulsbo | 1803 | Johnson Road | 2006-22 |
| Renton | 1725 | Maplewood Addition | 5243 |
| Renton | 1725 | Hudson | 5236 |
| Renton | 1725 | Querin II | 5223 |
| Vancouver | 605 | Kaiser | M-3779 |
| Vancouver | 605 | Drywall Constructors | M-3776 |
| Vancouver | 605 | Slosar | M-3775 |
| Vancouver | 605 | Peterkort | M-3773 |
| Vancouver | 605 | BP | M-3762 |
| Vancouver | 605 | Handley Farms | M-3780 |
| Vancouver | 605 | Nationwide | M-3781 |
| Vancouver | 605 | Tony’s | M-3763 |
| Vancouver | 605 | Seid | M-3454 |
| Winlock | 2109 | | 914 |
| Yakima | 3913 | Vander Houwen | 2006-52 |