King County property record for 173 18th Ave, Seattle, WA 98122
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 1.5 ba · 1,030 sqft · built 2005 |
| Lot Size | 0.027 acres (1,170 sqft) |
| Owner | Individual Name on File |
| Last Sale | $310,000 (Oct 2009) |
| Tax Bill | $6,857 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193480-0192 |
| Primary APN | 193480-0192 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,030 sqft Living Area |
| Gross Area | 1,040 sqft |
| 1st Floor Area | 420 sqft |
| 2nd Floor Area | 420 sqft |
| Basement Area | 200 sqft |
| Finished Basement | 190 sqft |
| Unfinished Basement | 10 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Townhouse |
| Lot Area | 1,170 sqft (0.027 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 193480019200 |
|---|---|
| Street Address | 173 18TH AVE |
| City | SEATTLE |
| State | WA |
| Zip | 98122-5719 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | LR2 (M) |
| Legal Description | DEANS ADD LOT B SEA SP #2408814 REC #20050331900008 SD SP BEING LOT 10 BLK 5 SD PLAT PLAT BLOCK: 5 PLAT LOT: 10 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 04 |
| Legal Subdivision | DEANS ADD |
| Legal Block | 5 |
| Legal Lot Number | 10 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 8700 |
173 18th Ave, a townhouse, is owned and occupied by an individual who bought it in October 2009.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 173 18TH AVE, SEATTLE, WA 98122-5719 |
| 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 | Oct 30, 2009 · Amount on File |
| Deed Sale | Oct 30, 2009 · Amount on File |
| Prior Sale | Apr 8, 2005 · Amount on File |
| Deed Document Number | 20092833 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 173 18th Ave was $6,857.
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 | $6,857.00 | ||
| 2025 | $665,000 (-0.15%) Land $340,000 Building $325,000 | $665,000 (-0.15%) Land $340,000 Building $325,000 | |
| 2024 | $6,377.00 | $666,000 Land $334,000 Building $332,000 | $666,000 Land $334,000 Building $332,000 |
| 2022 | $5,780.00 | $683,000 Land $288,000 Building $395,000 | $683,000 Land $288,000 Building $395,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 173 18th Ave 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 173 18th 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 772 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber | 8,000 / 8,000 |
| 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: Google Fiber.
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