King County property record for 9733 Arrowsmith Ave S, Seattle, WA 98118
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,740 sqft · built 1912 |
| Lot Size | 0.259 acres (11,300 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $800,000 (Jan 2026) |
| Tax Bill | $9,589 (2026) |
| Deeds & Mortgages | Jan 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 712930-1870 |
| Primary APN | 712930-1870 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,740 sqft Living Area |
| Gross Area | 2,820 sqft |
| 1st Floor Area | 1,500 sqft |
| Upper Floors Area | 600 sqft |
| Basement Area | 720 sqft |
| Finished Basement | 640 sqft |
| Unfinished Basement | 80 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1963 |
| Exterior Material | Brick |
| Lot Area | 11,300 sqft (0.259 acres) |
| View / Lot | Water View |
| Garage Type | Detached |
| Garage Area | 290 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 270 sqft |
| Deck Area | 80 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 712930187000 |
|---|---|
| Street Address | 9733 ARROWSMITH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98118-5902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | RAINIER BEACH ADD & POR VAC ST ADJ |
| Legal Range | 04 |
| Legal Township | 23 |
| Legal Section | 02 |
| Legal Subdivision | RAINIER BEACH |
| Legal Block | 36 |
| Legal Lot Number | 3-4 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 11802 |
Source: King County assessment roll, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 837 MICHAEL WAY, CAMANO ISLAND, WA 98282-7548 |
| Owner Type | Individual |
| Vesting | Married Couple |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 21, 2026 · Amount on Record |
| Deed Sale | Jan 21, 2026 · Amount on Record |
| Prior Sale | Mar 8, 1988 · Amount on Record |
| Deed Document Number | 2026775 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jan 21, 2026 |
| Property Address | 9733 ARROWSMITH AVE S, SEATTLE, WA 98118-5902 |
| Document Number | 0000000775 |
| Map Reference | VOL 8 PG 11 |
| Instrument Date | Jan 16, 2026 |
| Instrument | 20260121000775 |
| Transaction Type | Transfer |
| Record Updated | Jan 29, 2026 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN |
| Amount | Amount Recorded |
|---|---|
| Tax | $13,300.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 837 MICHAEL WAY, CAMANO ISLAND, WA 98282-7548 |
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 | $9,589.00 (+395.04%) | ||
| 2025 | $1,937.00 Senior Citizen's exemption | $855,000 (+2.03%) Land $623,000 Building $232,000 | $855,000 (+2.03%) Land $623,000 Building $232,000 |
| 2024 | $1,937.00 (+2.32%) Senior Citizen's exemption | $838,000 (+66.27%) Land $350,000 Building $488,000 | $838,000 (+0.24%) Land $350,000 Building $488,000 |
| 2022 | $1,893.00 Senior Citizen's exemption | $504,000 Land $210,000 Building $294,000 | $836,000 Land $298,000 Building $538,000 |
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 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 143 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Lumen Technologies Fiber | 8,000 / 8,000 |
| Xfinity Cable | 2,000 / 2,000 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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