King County property record for 4100 4th Ave S, Seattle, WA 98134
| Property Type | Warehouse, Storage |
|---|---|
| Details | 100,780 sqft · built 1956 |
| Lot Size | 2.91 acres (126,900 sqft) |
| Owner | Company Name on File |
| Last Sale | $9,800,000 (Mar 2007) |
| Tax Bill | $243,189 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 395890-0851 |
| Primary APN | 395890-0851 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 100,780 sqft Gross Area |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 126,900 sqft |
| Lawn Sprinklers | Lawn Sprinklers |
| Total Buildings | 2 Buildings |
| Heating System | Space Heater |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 395890085107 |
|---|---|
| Street Address | 4100 4TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98134-2310 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Local Zoning Code | MML U/85 |
| Legal Description | LADDS 1ST ADD TO S SEATTLE 1 & 12 & N 48.57 FT OF 2 & 11 BLK 21 & ALL BLKS 24 & 25 TGW VAC STS & ALLEYS ADJ LESS E 88 FT THOF & LESS POR FOR ST & BLK 1 SOUTH SEATTLE TGW VAC ST & ALLEY ADJ LESS E 88 FT & LESS ST & LOT 5 BLK 269 STL TGW POR VAC DAKOTA |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 17 |
| Legal Subdivision | LADDS 1ST ADD TO S SEATTLE |
| Legal Block | 21 |
| Legal Lot Number | 5 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3096 |
| Census Tract | 9300 |
4100 4th Ave S, an industrial property, is owned by a company that bought it in March 2007.
Source: King County records, as of July 7, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1141 RODEO RD, CLE ELUM, WA 98922-9061 |
| Owner Type | Company |
| Vesting | Company |
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 | Mar 28, 2007 · Amount on File |
| Deed Sale | Mar 28, 2007 · Amount on File |
| Prior Sale | Mar 24, 2003 · Amount on File |
| Deed Document Number | 20071070 |
| Prior Transfer Date | Mar 26, 2007 |
| Prior Transfer Doc | 0000001070 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 4100 4th Ave S was $243,189.
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 | $243,189.00 | ||
| 2025 | $21,568,200 (+4.59%) Land $7,614,000 Building $13,954,200 | $21,568,200 (+4.59%) Land $7,614,000 Building $13,954,200 | |
| 2024 | $217,055.00 | $20,622,100 Land $7,614,000 Building $13,008,100 | $20,622,100 Land $7,614,000 Building $13,008,100 |
| 2022 | $172,725.00 | $18,329,800 Land $6,345,000 Building $11,984,800 | $18,329,800 Land $6,345,000 Building $11,984,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4100 4th Ave S in Zone X, an area of minimal flood risk.
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 Policies | 1 in force |
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.
The area around 4100 4th Ave S 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 30 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: CenturyLink, T-Mobile, Verizon.
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