King County property record for 500 S River St, Seattle, WA 98108
| Property Type | Warehouse, Storage |
|---|---|
| Details | 12,160 sqft · built 1978 |
| Lot Size | 0.424 acres (18,447 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,380,000 (Feb 2015) |
| Tax Bill | $30,435 (2026) |
| Deeds & Mortgages | Oct 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 536720-1810 |
| Primary APN | 536720-1810 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 12,160 sqft Gross Area |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design |
| Construction Type | Steel Frame |
| Fire Resistance | Special |
| Lot Area | 18,447 sqft (0.424 acres) |
| Storage Building | Storage Building |
| Heating System | Space Heater |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 536720181000 |
|---|---|
| Street Address | 500 S RIVER ST |
| City | SEATTLE |
| State | WA |
| Zip | 98108-3454 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Local Zoning Code | MML U/85 |
| Legal Description | MCLAUGHLINS WATER FRONT ADD |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 29 |
| Legal Subdivision | MC LAUGHLINS WATER FRONT ADD |
| Legal Block | 12 |
| Legal Lot Number | 15-19 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2069 |
| 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 | 6555 5TH AVE S, SEATTLE, WA 98108-3433 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 9, 2015 · Amount on Record |
| Deed Sale | Feb 9, 2015 · Amount on Record |
| Prior Sale | Mar 8, 1995 · Amount on Record |
| Deed Document Number | 20151217 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 500 S RIVER ST, SEATTLE, WA 98108-3454 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE LTD |
| Name | Verified Name |
|---|
| Document Number | 0000001593 |
|---|---|
| Date | Oct 30, 2018 |
| Instrument | 20181030001593 |
| Name | HERITAGE BANK |
|---|---|
| Type | Bank |
| Address | OLYMPIA, WA 98507 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $30,435.00 (+9.55%) | ||
| 2025 | $2,637,300 (+1.98%) Land $1,106,800 Building $1,530,500 | $2,637,300 (+1.98%) Land $1,106,800 Building $1,530,500 | |
| 2024 | $27,782.00 (+28.22%) | $2,586,000 (+15.5%) Land $1,106,800 Building $1,479,200 | $2,586,000 (+15.5%) Land $1,106,800 Building $1,479,200 |
| 2022 | $21,668.00 | $2,238,900 Land $922,300 Building $1,316,600 | $2,238,900 Land $922,300 Building $1,316,600 |
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.
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