King County property record for 312 9th Ave N, Seattle, WA 98109
| Property Type | Commercial Office |
|---|---|
| Details | 7,200 sqft · built 1945 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $3,600,000 (Jan 2016) |
| Tax Bill | $69,476 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 198620-0165 |
| Primary APN | 198620-0165 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 7,200 sqft Gross Area |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 7,200 sqft (0.165 acres) |
| Heating System | Hot Water |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 198620016503 |
|---|---|
| Street Address | 312 9TH AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98109-5121 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | SM-SLU 175 |
| Legal Description | DENNYS D T 5TH ADD PLAT BLOCK: 91 PLAT LOT: 9 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 30 |
| Legal Subdivision | DENNYS D T 5TH ADD |
| Legal Block | 91 |
| Legal Lot Number | 9 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 7203 |
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 | 505 5TH AVE S, 900, SEATTLE, WA 98104-3821 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 15, 2016 · Amount on Record |
| Deed Sale | Jan 15, 2016 · Amount on Record |
| Prior Sale | Aug 1, 1997 · Amount on Record |
| Deed Document Number | 20161469 |
| 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 | $69,476.00 (+7.76%) | ||
| 2025 | $6,841,000 (-) Land $6,840,000 Building $1,000 | $6,841,000 (-) Land $6,840,000 Building $1,000 | |
| 2024 | $64,472.00 (+38.1%) | $6,841,000 (+22.58%) Land $6,840,000 Building $1,000 | $6,841,000 (+22.58%) Land $6,840,000 Building $1,000 |
| 2022 | $46,685.00 | $5,581,000 Land $5,580,000 Building $1,000 | $5,581,000 Land $5,580,000 Building $1,000 |
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
| 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 145 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, Verizon, Ziply Fiber.
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