King County property record for 5817 18th Ave S, Seattle, WA 98108
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,210 sqft · built 1909 |
| Lot Size | 0.154 acres (6,720 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $329,500 (Aug 2005) |
| Tax Bill | $7,864 (2026) |
| Deeds & Mortgages | Aug 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 171490-0190 |
| Primary APN | 171490-0190 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 2,210 sqft Living Area |
| 1st Floor Area | 950 sqft |
| Upper Floors Area | 360 sqft |
| Basement Area | 900 sqft |
| Finished Basement | 900 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1909 |
| Lot Area | 6,720 sqft (0.154 acres) |
| Garage Type | Detached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 50 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 171490019006 |
|---|---|
| Street Address | 5817 18TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98108-2838 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | COLVINS ADD TO GEORGETOWN |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 21 |
| Legal Subdivision | COLVINS ADD TO GEORGETOWN |
| Legal Block | 2 |
| Legal Lot Number | 23-24 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 10402 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 5817 18TH AVE S, SEATTLE, WA 98108-2838 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 15, 2005 · Amount on Record |
| Deed Sale | Aug 15, 2005 · Amount on Record |
| Prior Sale | Jul 28, 1989 · Amount on Record |
| Deed Document Number | 20052892 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 5817 18TH AVE S, SEATTLE, WA 98108-2838 |
| Transaction Type | Mortgage |
| Record Updated | Sep 15, 2021 |
| Title Company | CW TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000001365 |
|---|---|
| Date | Aug 19, 2019 |
| Instrument | 20190819001365 |
| Name | HABITAT FOR HUMANITY |
|---|---|
| Type | Non-Lending Institution |
| Address | RENTON, WA 98057 |
| Amount | Amount Recorded |
|---|
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 | $7,864.00 (+10.64%) | ||
| 2025 | $693,000 (+3.43%) Land $444,000 Building $249,000 | $693,000 (+3.43%) Land $444,000 Building $249,000 | |
| 2024 | $7,108.00 (+15.39%) | $670,000 (-0.59%) Land $444,000 Building $226,000 | $670,000 (-0.59%) Land $444,000 Building $226,000 |
| 2022 | $6,160.00 | $674,000 Land $340,000 Building $334,000 | $674,000 Land $340,000 Building $334,000 |
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 779 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile, Xfinity.
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