King County property record for 1728 E Madison St, Seattle, WA 98122
| Property Type | Commercial Office |
|---|---|
| Details | 3,840 sqft · built 1905 |
| Lot Size | 0.112 acres (4,859 sqft) |
| Owner | Company Name on Record |
| Last Sale | $630,000 (Dec 2024) |
| Tax Bill | $15,635 (2026) |
| Deeds & Mortgages | Dec 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 723460-1090 |
| Primary APN | 723460-1090 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 3,840 sqft Gross Area |
| Basement Area | 940 sqft |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 4,859 sqft (0.112 acres) |
| Heating System | Hot Water |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 723460109009 |
|---|---|
| Street Address | 1728 E MADISON ST |
| City | SEATTLE |
| State | WA |
| Zip | 98122-2733 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | NC3-75 (M) |
| Legal Description | RENTONS ADD 2 & NELY 5 FT OF 3 & POR VAC ALLEY ADJ |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 33 |
| Legal Subdivision | RENTONS ADD |
| Legal Block | 21 |
| Legal Lot Number | 2-3 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 7901 |
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 | 2812 206TH TER NE, SAMMAMISH, WA 98074-4369 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 13, 2024 · Amount on Record |
| Deed Sale | Dec 13, 2024 · Amount on Record |
| Prior Sale | Nov 30, 1989 · Amount on Record |
| Deed Document Number | 2024791 |
| Prior Transfer Date | Dec 29, 2017 |
| Prior Transfer Doc | 0000001086 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Dec 29, 2017 |
| Property Address | 1728 E MADISON ST, SEATTLE, WA 98122-2733 |
| Document Number | 0000001086 |
| Instrument Date | Dec 29, 2017 |
| Instrument | 201712291086 |
| Transaction Type | Transfer |
| Record Updated | Jan 8, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
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 | $15,635.00 (+7.88%) | ||
| 2025 | $1,501,000 (-) Land $1,500,000 Building $1,000 | $1,501,000 (-) Land $1,500,000 Building $1,000 | |
| 2024 | $14,493.00 (-10.48%) | $1,501,000 (-21.84%) Land $1,500,000 Building $1,000 | $1,501,000 (-21.84%) Land $1,500,000 Building $1,000 |
| 2022 | $16,189.00 | $1,920,300 Land $1,919,300 Building $1,000 | $1,920,300 Land $1,919,300 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 878 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 Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Google Fiber.
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