King County property record for 516 3rd Ave, Seattle, WA 98104
| Property Type | Government / Public Use |
|---|---|
| Details | 540,360 sqft · built 1916 |
| Lot Size | 1.31 acres (57,120 sqft) |
| Owner | Company Name on File |
| Tax Bill | $12,367 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 094200-0860 |
| Primary APN | 094200-0860 |
|---|---|
| Alternative APN |
|
| Stories | 10 Stories |
|---|---|
| Building Area | 540,360 sqft Gross Area |
| Basement Area | 57,600 sqft |
| Elevator | Elevator |
| Year Built | Built 1916 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Custom Design |
| Construction Type | Concrete |
| Lot Area | 57,120 sqft |
| Lawn Sprinklers | Lawn Sprinklers |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 094200086000 |
|---|---|
| Street Address | 516 3RD AVE |
| City | SEATTLE |
| State | WA |
| Zip | 98104-2385 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Local Zoning Code | DMC 340/29 |
| Legal Description | BORENS C D ADD LESS ST PLAT BLOCK: 33 PLAT LOT: ALL |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 05 |
| Legal Subdivision | BORENS C D ADD |
| Legal Block | 33 |
| Legal Lot Number | ALL |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2030 |
| Census Tract | 8102 |
Source: King County records · APN 094200-0860
Assessment roll updated July 7, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 500 4TH AVE, 830, SEATTLE, WA 98104-2371 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $249,778,700 Land $85,680,000 Building $164,098,700 | $249,778,700 Land $85,680,000 Building $164,098,700 | |
| 2024 | $12,367.00 (+14.82%) Additional exemption filed | ||
| 2022 | $10,771.00 Additional exemption filed |
Source: FEMA National Flood Hazard Layer as of September 23, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026
| Historic District | Within the Pioneer Square-Skid Road District (Boundary Increase) listed 1978 · 46 contributing resources · NRIS 78000341 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Radiate Holdings Fiber · Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: AT&T, Google Fiber, Lumen Technologies, T-Mobile USA.
Based on FCC filings for 150 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SEATTLE PUBLIC UTILITIES serves 1,161,961 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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