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King County Department of Assessments

Setting values, serving the community, and promoting fairness and equity.

Department of Assessments

201 South Jackson Street,
Seattle, WA 98104

Office Hours:
Mon - Fri
8:30 a.m. to 4:30 p.m.

TEL: 206-296-7300
TTY relay: 711 or 800-833-4388

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PARCEL
Parcel Number766670-3290
NameRIVERSIDE MILL LLC
Site Address3800 WEST MARGINAL WAY SW 98106
LegalSEATTLE TIDE LDS EXT # 1 LOTS 1 THRU 11 OF BLKS 412 & 413 & VAC ST ADJ LESS BNI FORMERLY NP OPERATING PROP LESS STS LESS POR OF LOTS 1, 2 & 3 OF BLK 412 DAF - BEG AT NXN OF S MGN OF SW SPOKANE ST WITH SWLY MGN OF DUWAMISH W WATERWAY TH S 41-06-02 E ALG SD SWLY MGN 83.93 FT TH S 01-08-43 W 27.80 FT TH N 88-51-17 W 53 FT TH N 59-03-00 W 167.91 FT TH N 89-29-14 W 40 FT TH N 00-30-46 E 6.91 FT TO S MGN OF SW SPOKANE ST TH ELY ALG SD S MGN 182.35 FT TO TPOB; TGW POR OF VAC INDIANA AVE PER ORD #46759 & EXC POR DESC IN ORD #112783/KCSCC #80-2-10027-1; LESS POR CONVEYED BY DEED REC #20240812000741
BUILDING
Year Built1948
Building Net Square Footage50000
Construction ClassSTRUCTURAL STEEL
Building QualityLOW COST
Lot Size266348
Present UseWarehouse
ViewsNo
WaterfrontDUWAMISH
Current Picture
TOTAL LEVY RATE DISTRIBUTION

Tax Year: 2026      Levy Code: 0010      Total Levy Rate: $9.90845      Total Senior Rate: $4.24803


57.13% Voter Approved


Click here to see levy distribution comparison by year.

TAX ROLL HISTORY

Valued YearTax YearAppraised Land Value ($)Appraised Imps Value ($)Appraised Total ($)Appraised Imps Increase ($)Taxable Land Value ($)Taxable Imps Value ($)Taxable Total ($)
2026202715,315,0003,256,60018,571,600015,315,0003,256,60018,571,600
2025202615,315,0001,666,60016,981,600015,315,0001,666,60016,981,600
2024202513,472,6002,861,00016,333,600013,472,6002,861,00016,333,600
2023202412,125,3002,404,50014,529,800012,125,3002,404,50014,529,800
202220239,494,8002,327,40011,822,20009,494,8002,327,40011,822,200
202120229,494,800645,40010,140,20009,494,800645,40010,140,200
202020219,494,800102,6009,597,40009,494,800102,6009,597,400
201920207,595,8001,722,5009,318,30007,595,8001,722,5009,318,300
201820197,053,300443,7007,497,00007,053,300443,7007,497,000
201720186,510,7001,0006,511,70006,510,7001,0006,511,700
201620175,696,9001,0005,697,90005,696,9001,0005,697,900
201520164,340,4001,176,6005,517,00004,340,4001,176,6005,517,000
201420154,340,4001,167,5005,507,90004,340,4001,167,5005,507,900
201320144,340,400689,4005,029,80004,340,400689,4005,029,800
201220134,340,400689,4005,029,80004,340,400689,4005,029,800
201120124,340,400689,4005,029,80004,340,400689,4005,029,800
201020114,340,4001,129,5005,469,90004,340,4001,129,5005,469,900
200920104,340,4001,517,3005,857,70004,340,4001,517,3005,857,700
200820094,340,4001,517,3005,857,70004,340,4001,517,3005,857,700
200720084,340,4001,505,2005,845,60004,340,4001,505,2005,845,600
200620074,340,400207,2004,547,60004,340,400207,2004,547,600
200520063,797,9001,0003,798,90003,797,9001,0003,798,900
200420052,984,00069,0003,053,00002,984,00069,0003,053,000
200320042,984,000816,0003,800,00002,984,000816,0003,800,000
200220032,712,800887,2003,600,00002,712,800887,2003,600,000
200120022,712,800490,4003,203,20002,712,800490,4003,203,200
200020012,712,800490,4003,203,20002,712,800490,4003,203,200
199920002,712,800194,2002,907,00002,712,800194,2002,907,000
199819992,441,500800,7003,242,20002,441,500800,7003,242,200
1997199800002,441,500800,7003,242,200
1996199700002,441,500800,7003,242,200
1995199600002,441,500800,7003,242,200

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Notice mailing date: 07/23/2026