King County property record for 3300 E Union St, Seattle, WA 98122
| Property Type | Commercial Office |
|---|---|
| Details | 9,540 sqft · built 1955 |
| Lot Size | 0.482 acres (21,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,050,000 (Apr 2013) |
| Tax Bill | $66,289 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 715220-0175 |
| Primary APN | 715220-0175 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 9,540 sqft Gross Area |
| Office | 9,540 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 21,000 sqft (0.482 acres) |
| Garage Type | Covered |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 715220017506 |
|---|---|
| Street Address | 3300 E UNION ST |
| City | SEATTLE |
| State | WA |
| Zip | 98122-3372 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | NC1-40 (M) |
| Legal Description | RANDELLS 2ND ADD |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 34 |
| Legal Subdivision | RANDELLS 2ND ADD |
| Legal Block | 12 |
| Legal Lot Number | 11-18 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 7800 |
Source: King County records · APN 715220-0175
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 | 121 LAKESIDE AVE, 100B, SEATTLE, WA 98122-6587 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 03, 2013 · Amount on Record |
| Deed Sale | Apr 03, 2013 · Amount on Record |
| Prior Sale | Apr 03, 2013 · Amount on Record |
| Deed Document Number | 2013590 |
| Prior Transfer Date | Jan 26, 2005 |
| Prior Transfer Doc | 0000001663 |
| 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 |
|---|---|---|---|
| 2026 | $66,289.00 (+7.74%) | ||
| 2025 | $6,196,000 (-) Land $6,195,000 Building $1,000 | $6,196,000 (-) Land $6,195,000 Building $1,000 | |
| 2024 | $61,525.00 (+23.02%) | $6,196,000 (+9.26%) Land $6,195,000 Building $1,000 | $6,196,000 (+9.26%) Land $6,195,000 Building $1,000 |
| 2022 | $50,014.00 | $5,671,000 Land $5,670,000 Building $1,000 | $5,671,000 Land $5,670,000 Building $1,000 |
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 |
| Nearby Flood Policies | 2 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Radiate Holdings, T-Mobile USA.
Based on FCC filings for 853 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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