King County property record for 3551 SW 99th St, Seattle, WA 98126
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,680 sqft · built 1921 |
| Lot Size | 0.122 acres (5,320 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $705,000 (Aug 2024) |
| Tax Bill | $8,218 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 003700-0345 |
| Primary APN | 003700-0345 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,680 sqft Living Area |
| 1st Floor Area | 1,110 sqft |
| Upper Floors Area | 460 sqft |
| Basement Area | 1,110 sqft |
| Finished Basement | 1,110 sqft |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Lot Area | 5,320 sqft (0.122 acres) |
| Garage Type | Detached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 120 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 003700034501 |
|---|---|
| Street Address | 3551 SW 99TH ST |
| City | SEATTLE |
| State | WA |
| Zip | 98126-4023 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | ADAMS HEIGHTS ADD PLAT BLOCK: 3 PLAT LOT: 3 |
| Legal Range | 03 |
| Legal Township | 23 |
| Legal Section | 02 |
| Legal Subdivision | ADAMS HEIGHTS |
| Legal Block | 3 |
| Legal Lot Number | 3 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 12000 |
3551 SW 99th St is owned and occupied by two individuals who bought it in August 2024.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3551 SW 99TH ST, SEATTLE, WA 98126-4023 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 23, 2024 · Amount on File |
| Deed Sale | Aug 23, 2024 · Amount on File |
| Prior Sale | Mar 31, 2010 · Amount on File |
| Deed Document Number | 2024443 |
| Prior Transfer Date | Mar 1, 1991 |
| Prior Transfer Doc | 0003130924 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 3551 SW 99th St was $8,218, up 12.3% from the year before.
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 | $8,218.00 (+12.25%) | ||
| 2025 | $7,321.00 | $756,000 (+4.85%) Land $402,000 Building $354,000 | $756,000 (+4.85%) Land $402,000 Building $354,000 |
| 2024 | $7,321.00 | $721,000 Land $382,000 Building $339,000 | $721,000 Land $382,000 Building $339,000 |
| 2022 | $6,704.00 | $741,000 Land $274,000 Building $467,000 | $741,000 Land $274,000 Building $467,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3551 SW 99th St 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 | 2 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.
Wildfire risk around 3551 SW 99th St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.4% of Washington |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 774 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 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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