King County property record for 1500 4th Ave, Seattle, WA 98101
| Property Type | Office Building |
|---|---|
| Details | 66,298 sqft · built 1909 |
| Lot Size | 0.232 acres (10,120 sqft) |
| Owner | Individual Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 762875-0000 |
| Primary APN | 762875-0000 |
|---|
| Stories | 10 Stories |
|---|---|
| Building Area | 66,298 sqft Total Area |
| Basement Area | 8,058 sqft |
| Elevator | Elevator |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1994 |
| Construction Type | Concrete |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 10,120 sqft (0.232 acres) |
| View / Lot | Good |
| Lawn Sprinklers | Lawn Sprinklers |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1500 4TH AVE |
|---|---|
| City | SEATTLE |
| State | WA |
| Zip | 98101-1613 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | DRC 85-170 |
| Legal Description | DIST:SEATTLE SUBD:SEABOARD BUILDING SEC/TWN/RNG/MER:SEC 31 TWN 25 RNG 04 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 31 |
| Legal Quarter | SE |
| Legal Subdivision | SEABOARD BUILDING |
| Legal Lot Number | 9 |
| Jurisdiction | KING WA |
Source: King County records, as of December 24, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: King County assessment roll, as of May 31, 2024
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Source: FEMA National Flood Hazard Layer, effective September 23, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 149 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Google Fiber, T-Mobile, Taluslink, Verizon.
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