King County property record for 600 4th Ave, Seattle, WA 98104
| Property Type | Commercial Office |
|---|---|
| Details | 213,978 sqft · built 2003 |
| Lot Size | 1.36 acres (59,280 sqft) |
| Owner | Company Name on File |
| Tax Bill | $12,833 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 094200-0810 |
| Primary APN | 094200-0810 |
|---|---|
| Alternative APN |
|
| Stories | 8 Stories |
|---|---|
| Building Area | 213,978 sqft Gross Area |
| Elevator | Elevator |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Custom Design |
| Construction Type | Steel Frame |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 59,280 sqft |
| Garage Area | 30,660 sqft |
| Parking Spaces | 97 Parking Spaces |
| Lawn Sprinklers | Lawn Sprinklers |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 094200081001 |
|---|---|
| Street Address | 600 4TH AVE |
| City | SEATTLE |
| State | WA |
| Zip | 98104-1822 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | DOC1 U/450 |
| Legal Description | BORENS C D ADD TGW VAC ALLEY LESS POR THOF FOR 4TH AVE PLAT BLOCK: 31 PLAT LOT: ALL |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 32 |
| Legal Subdivision | BORENS C D ADD |
| Legal Block | 31 |
| Legal Lot Number | ALL |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 8102 |
600 4th Ave, a commercial property, is owned by a company.
Source: King County records, as of July 7, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 94689, SEATTLE, WA 98124-4689 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| 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 |
|---|---|---|---|
| 2025 | $181,011,800 Land $94,848,000 Building $86,163,800 | $181,011,800 Land $94,848,000 Building $86,163,800 | |
| 2024 | $12,833.00 Additional exemption filed | ||
| 2022 | $11,177.00 Additional exemption filed |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 600 4th Ave in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 2 (40% premium discount) |
| Nearby Flood Policies | 3 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.
The area around 600 4th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 150 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Fiber · Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: AT&T, CenturyLink, Google Fiber, T-Mobile.
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