Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Pacific Ranger District - Forks Office | Building | 95 | Clallam | 47 57 23 N | 124 23 02 W |
| Pacific Ranger District - Quinault Office | Building | 63 | Grays Harbor | 47 27 57 N | 123 51 05 W |
| Pantages Theater | Building | 36 | Pierce | 47 15 19 N | 122 26 24 W |
| Parkside Manor Nursing Home | Building | 240 | Chelan | 47 24 22 N | 120 18 18 W |
| Patsy Clarks House | Building | 584 | Spokane | 47 39 17 N | 117 26 28 W |
| Peter Kirk Building | Building | 43 | King | 47 40 48 N | 122 12 35 W |
| Pillar Rock Cannery | Building | 11 | Wahkiakum | 46 15 38 N | 123 35 15 W |
| Polson Museum | Building | 40 | Grays Harbor | 46 58 43 N | 123 52 49 W |
| Qwest Field Event Center | Building | | King | 47 35 36 N | 122 19 55 W |
| Rainier Club | Building | 58 | King | 47 36 19 N | 122 19 55 W |
| Raver Substation | Building | 249 | King | 47 20 11 N | 121 56 00 W |
| Remann Hall for Children | Building | 112 | Pierce | 47 15 27 N | 122 30 40 W |
| Rex Grange Hall | Building | 771 | Douglas | 48 03 37 N | 119 07 20 W |
| Rignall Hall | Building | 31 | Thurston | 47 08 58 N | 122 56 41 W |
| Roland H Hartley House | Building | 40 | Snohomish | 47 59 12 N | 122 12 41 W |
| Rucker Mansion | Building | 53 | Snohomish | 47 58 22 N | 122 13 28 W |
| Russel D Smith Powerplant | Building | 300 | Adams | 46 44 22 N | 119 06 44 W |
| Ryan House Museum | Building | 22 | Pierce | 47 12 12 N | 122 14 19 W |
| Sand Hills Grange Hall | Building | 436 | Adams | 46 46 48 N | 118 32 49 W |
| Scotch Creek Grange Hall | Building | 577 | Okanogan | 48 31 04 N | 119 41 01 W |
| Scout-A-Vista Lodge | Building | 1016 | Chelan | 47 18 46 N | 120 23 04 W |
| Seattle Aquarium | Building | 7 | King | 47 36 29 N | 122 20 35 W |
| Seattle Museum of History and Industry | Building | 7 | King | 47 38 43 N | 122 18 03 W |
| Seattle Tower | Building | 48 | King | 47 36 28 N | 122 20 09 W |
| Shafer Museum | Building | 542 | Okanogan | 48 28 43 N | 120 11 07 W |
| Sherwood Building | Building | 577 | Spokane | 47 39 32 N | 117 24 52 W |
| Slocum House | Building | 14 | Clark | 45 37 32 N | 122 40 34 W |
| Smith Tower | Building | 34 | King | 47 36 12 N | 122 19 54 W |
| Snohomish County Courthouse | Building | 42 | Snohomish | 47 58 40 N | 122 12 24 W |
| Snoqualmie Valley Recreation Area - Cherry Valley Unit | Building | 14 | King | 47 44 55 N | 121 57 49 W |
| Space Needle | Building | 35 | King | 47 37 14 N | 122 20 55 W |
| Spokane Chamber of Commerce | Building | 572 | Spokane | 47 39 33 N | 117 25 39 W |
| Spokane Club | Building | 569 | Spokane | 47 39 34 N | 117 25 39 W |
| Spokesman Review Building | Building | 573 | Spokane | 47 39 30 N | 117 25 32 W |
| Stadium Exhibition Center | Building | 48 | King | 47 35 35 N | 122 19 58 W |
| State Soldiers Home | Building | 66 | Pierce | 47 04 51 N | 122 12 37 W |
| Stevens County Courthouse | Building | 493 | Stevens | 48 32 35 N | 117 54 13 W |
| Sunny Slope Grange Hall | Building | 718 | Okanogan | 48 39 42 N | 119 11 53 W |
| Sunnyside Museum | Building | 226 | Yakima | 46 19 15 N | 120 00 54 W |
| Sunrise Visitor Center | Building | 1948 | Pierce | 46 54 53 N | 121 38 29 W |
| Tri Cities Vocational Center | Building | 156 | Franklin | 46 13 06 N | 119 12 02 W |
| Undercliffe | Building | 581 | Spokane | 47 39 58 N | 117 24 58 W |
| Veterans Administration Medical Center | Building | 273 | Walla Walla | 46 03 16 N | 118 21 26 W |
| Vincent Community Club | Building | 20 | King | 47 40 23 N | 121 58 44 W |
| Washington Corrections Center | Building | 92 | Mason | 47 14 17 N | 123 11 32 W |
| Washington State Capitol | Building | 40 | Thurston | 47 02 07 N | 122 54 23 W |
| Washington State Capitol Museum | Building | 51 | Thurston | 47 01 46 N | 122 54 08 W |
| Washington State Penitentiary | Building | 288 | Walla Walla | 46 04 49 N | 118 21 34 W |
| Watermaster Headquarters | Building | 370 | Grant | 46 54 18 N | 119 44 46 W |
| Welcome Grange Hall | Building | 118 | Whatcom | 48 50 15 N | 122 09 60 W |
| Wenatchee National Forest Supervisors Office | Building | 215 | Chelan | 47 25 14 N | 120 18 43 W |
| Wheat Ridge Grange Hall | Building | 652 | Lincoln | 47 36 43 N | 118 43 15 W |
| White River Historical Museum | Building | 32 | King | 47 17 56 N | 122 13 06 W |
| Whitman County Courthouse | Building | 642 | Whitman | 46 53 03 N | 117 21 47 W |
| Wilburton Pumping Station | Building | 8 | King | 47 36 09 N | 122 10 48 W |
| William C Butler House | Building | 33 | Snohomish | 47 59 42 N | 122 12 44 W |
| Willis Carey Historical Museum | Building | 238 | Chelan | 47 31 13 N | 120 27 24 W |
| Wynoochee Valley Grange | Building | 52 | Grays Harbor | 47 01 02 N | 123 40 48 W |
| Yakima County Department of Corrections | Building | | Yakima | 46 36 12 N | 120 30 30 W |
| Yarrow Point Town Hall | Building | 18 | King | 47 39 07 N | 122 13 01 W |
| Zylstra House | Building | 24 | Island | 48 13 07 N | 122 41 06 W |
| A P Canal | Canal | 261 | Benton | 46 10 27 N | 119 12 41 W |
| A P Lateral | Canal | 281 | Benton | 46 11 05 N | 119 12 17 W |
| Ahtanum Canal | Canal | 482 | Yakima | 46 31 08 N | 120 40 02 W |
| Amon Wasteway | Canal | 154 | Benton | 46 12 44 N | 119 14 58 W |
| Ayres Lateral | Canal | 269 | Yakima | 46 25 47 N | 120 39 41 W |
| Barney Pacific Lateral | Canal | 259 | Yakima | 46 24 12 N | 120 38 53 W |
| Big Ditch | Canal | 61 | Clark | 45 39 34 N | 122 29 46 W |
| Blooms Ditch | Canal | 40 | Thurston | 46 55 30 N | 123 00 26 W |
| Brown Lateral | Canal | 273 | Yakima | 46 27 10 N | 120 34 12 W |
| Bull Ditch | Canal | 453 | Kittitas | 46 58 15 N | 120 31 40 W |
| Burlingame Ditch | Canal | 198 | Walla Walla | 46 00 23 N | 118 30 39 W |
| Canal W 20 | Canal | 387 | Grant | 47 14 04 N | 119 29 50 W |
| Cascade Canal | Canal | 511 | Kittitas | 47 00 19 N | 120 28 07 W |
| Centralia Canal | Canal | 92 | Thurston | 46 56 54 N | 122 34 23 W |
| Chandler Canal | Canal | 193 | Benton | 46 13 30 N | 119 42 46 W |
| Chewuch Canal | Canal | 611 | Okanogan | 48 25 58 N | 120 08 26 W |
| China Ditch | Canal | 81 | Clark | 45 42 51 N | 122 29 43 W |
| Clinesmith Irrigation Ditch | Canal | 458 | Kittitas | 46 58 55 N | 120 33 37 W |
| Columbia Canal | Canal | 111 | Benton | 46 14 31 N | 119 15 47 W |
| Columbia Canal Number 1 | Canal | 121 | Benton | 46 10 38 N | 119 05 33 W |
| Columbia Canal Number 2 | Canal | 110 | Benton | 46 11 23 N | 119 03 47 W |
| Columbia Canal Number 3 | Canal | 114 | Benton | 46 09 36 N | 119 04 36 W |
| Columbia Lateral | Canal | 267 | Chelan | 47 28 41 N | 120 20 13 W |
| Congdon Canal | Canal | 378 | Yakima | 46 36 26 N | 120 33 37 W |
| Coulee Drain | Canal | 208 | Yakima | 46 18 27 N | 120 09 13 W |
| Crab Creek Lateral | Canal | 281 | Adams | 46 52 59 N | 119 26 23 W |
| Crab Creek Lateral Extension | Canal | 336 | Grant | 46 52 27 N | 119 42 54 W |
| Crab Creek Wasteway | Canal | 225 | Grant | 46 51 08 N | 119 22 50 W |
| Crown Zellerback Power Ditch | Canal | 59 | Clark | 45 35 29 N | 122 23 54 W |
| Demaris Ditch | Canal | 159 | Walla Walla | 46 00 17 N | 118 34 60 W |
| Dills Lemon Lateral | Canal | 263 | Yakima | 46 24 46 N | 120 36 58 W |
| Ditch Number Eight | Canal | 5 | Cowlitz | 46 09 47 N | 123 00 41 W |
| Ditch Number Six | Canal | 9 | Cowlitz | 46 10 47 N | 123 00 24 W |
| Ditch Number Ten | Canal | 5 | Cowlitz | 46 10 30 N | 123 00 57 W |
| Division Four Canal | Canal | 202 | Benton | 46 09 09 N | 119 07 01 W |
| Double Ditch | Canal | 35 | Whatcom | 48 58 06 N | 122 28 29 W |
| DPE Thirtynine | Canal | 227 | Franklin | 46 34 16 N | 119 06 59 W |
| Drain 2 | Canal | 263 | Yakima | 46 26 02 N | 120 28 52 W |
| Drain 215 | Canal | 209 | Yakima | 46 14 29 N | 120 08 27 W |
| Drain 3 | Canal | 252 | Yakima | 46 23 51 N | 120 27 10 W |
| Drain 4 | Canal | 242 | Yakima | 46 22 06 N | 120 27 35 W |
| Drainage Ditch Number 1 | Canal | 9 | Pacific | 46 45 19 N | 124 04 36 W |
| Durham Lateral | Canal | 215 | Yakima | 46 19 02 N | 120 12 57 W |
| East Badger Lateral | Canal | 194 | Benton | 46 14 04 N | 119 17 50 W |
| East Island Lateral | Canal | 258 | Yakima | 46 22 39 N | 120 34 32 W |
| East Lateral | Canal | 210 | Yakima | 46 17 59 N | 120 09 33 W |
| East Low Canal | Canal | 392 | Grant | 47 09 20 N | 119 10 46 W |
| East Turbine Lateral | Canal | 304 | Yakima | 46 18 18 N | 119 53 40 W |
| East Unit 1 Highline Canal | Canal | 308 | Yakima | 46 30 08 N | 120 30 25 W |