King County property record for 311 N 85th St, Seattle, WA 98103
| Property Type | Commercial Office |
|---|---|
| Details | 7,855 sqft · built 1960 |
| Lot Size | 0.233 acres (10,126 sqft) |
| Owner | Company Name on Record |
| Last Sale | $925,000 (Apr 2011) |
| Tax Bill | $26,633 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 643050-0356 |
| Primary APN | 643050-0356 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 7,855 sqft Gross Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 2020 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 10,126 sqft (0.233 acres) |
| Lawn Sprinklers | Lawn Sprinklers |
| Heating System | Heat Pump |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 643050035606 |
|---|---|
| Street Address | 311 N 85TH ST |
| City | SEATTLE |
| State | WA |
| Zip | 98103-3605 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | NC2P-55 (M |
| Legal Description | OSNERS 2ND ADD N 1/2 OF W 50 FT LOT 3 TGW N 1/2 OF E 43.57 FT LOT 4 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 06 |
| Legal Subdivision | OSNERS 2ND ADD |
| Legal Block | 20 |
| Legal Lot Number | 3-4 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 2800 |
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 | 1109 NW ELFORD DR, SEATTLE, WA 98177-4128 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 15, 2011 · Amount on Record |
| Deed Sale | Apr 15, 2011 · Amount on Record |
| Prior Sale | Apr 29, 1992 |
| Deed Document Number | 20111085 |
| Record Updated | Oct 29, 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 | $26,633.00 (+9.65%) | ||
| 2025 | $2,448,600 (+1.95%) Land $2,379,600 Building $69,000 | $2,448,600 (+1.95%) Land $2,379,600 Building $69,000 | |
| 2024 | $24,290.00 (+14.52%) | $2,401,800 (+1.11%) Land $2,379,600 Building $22,200 | $2,401,800 (+1.11%) Land $2,379,600 Building $22,200 |
| 2022 | $21,211.00 | $2,375,500 Land $2,328,900 Building $46,600 | $2,375,500 Land $2,328,900 Building $46,600 |
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 · 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 |
| Nearby Flood Claims | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2020 · rainfall accumulation |
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: 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 936 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 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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