King County property record for 1900 9th Ave, Seattle, WA 98101
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 299,070 sqft · built 2004 |
| Lot Size | 0.311 acres (13,560 sqft) |
| Owner | Individual Name on File |
| Last Sale | $13,000 (Nov 2023) |
| Tax Bill | $463,319 (2022) |
| Flood Zone | Zone X (minimal risk) |
| APN | 066000-1215 |
| Primary APN | 066000-1215 |
|---|---|
| Alternative APNs |
|
| Stories | 11 Stories |
|---|---|
| Building Area | 299,070 sqft Total Area |
| Basement Area | 10,850 sqft |
| Elevator | Elevator |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2010 |
| Construction Type | Steel Frame |
| Fire Resistance | Fireproof Steel Frame |
| Lot Area | 13,560 sqft (0.311 acres) |
| Garage Area | 68,432 sqft |
| Parking Spaces | 215 Parking Spaces |
| Lawn Sprinklers | Lawn Sprinklers |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 066000121591 |
|---|---|
| Street Address | 1900 9TH AVE |
| City | SEATTLE |
| State | WA |
| Zip | 98101-1304 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | DMC 340/290-440 |
| Legal Description | BELL HEIRS OF S A 2ND ADD LESS POR FOR ST POR EXEMPT |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 31 |
| Legal Quarter | NE |
| Legal Subdivision | BELL HEIRS OF SARAH A 2ND ADD |
| Legal Block | 35 |
| Legal Lot Number | 1-2 2 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 7302 |
1900 9th Ave, an industrial property, is owned and occupied by an individual who bought it in November 2023.
Source: King County records, as of February 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 5371, SEATTLE, WA 98145-5005 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Last Sale | Nov 9, 2023 · Amount on File |
| Deed Sale | Nov 9, 2023 · Amount on File |
| Prior Sale | Nov 23, 2004 |
| Deed Document Number | 20231226000233 |
| Prior Transfer Date | Oct 26, 2006 |
| Prior Transfer Doc | 20061026000871 |
| 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2024 | Additional exemption filed | $153,463,500 Land $13,343,000 Building $140,120,500 | $153,463,500 Land $13,343,000 Building $140,120,500 |
| 2022 | $463,319.00 | $56,750,100 Land $4,114,800 Building $52,635,300 | $56,750,100 Land $4,114,800 Building $52,635,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1900 9th Ave in Zone X, an area of minimal flood risk.
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.
The area around 1900 9th 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 181 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, Hunter Communications, T-Mobile, Verizon.
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