King County property record for 551 S River St, Seattle, WA 98108
| Property Type | Warehouse, Storage |
|---|---|
| Details | 21,240 sqft · built 1967 |
| Lot Size | 0.759 acres (33,068 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $65,121 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 536720-3991 |
| Primary APN | 536720-3991 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 21,240 sqft Gross Area |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 33,068 sqft (0.759 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Heat Pump |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 536720399107 |
|---|---|
| Street Address | 551 S RIVER ST |
| City | SEATTLE |
| State | WA |
| Zip | 98108-3456 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Local Zoning Code | MML U/85 |
| Legal Description | MCLAUGHLINS WATER FRONT ADD WLY 8 FT M/L OF LOT 4 & ALL LOTS 5 THRU 9 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 29 |
| Legal Subdivision | MC LAUGHLINS WATER FRONT ADD |
| Legal Block | 29 |
| Legal Lot Number | 4-9 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2066 |
| Census Tract | 10900 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 570 KIRKLAND WAY, 100, KIRKLAND, WA 98033-6269 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $65,121.00 (+7.45%) | ||
| 2025 | $5,795,400 (-0.29%) Land $1,984,000 Building $3,811,400 | $5,795,400 (-0.29%) Land $1,984,000 Building $3,811,400 | |
| 2024 | $60,607.00 (+41.09%) | $5,812,400 (+28.54%) Land $1,984,000 Building $3,828,400 | $5,812,400 (+28.54%) Land $1,984,000 Building $3,828,400 |
| 2022 | $42,956.00 | $4,521,900 Land $1,653,400 Building $2,868,500 | $4,521,900 Land $1,653,400 Building $2,868,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 426 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures