King County property record for 10123 66th Ave S, Seattle, WA 98178
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,940 sqft · built 2018 |
| Lot Size | 0.118 acres (5,129 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $386,000 (Sep 2015) |
| Tax Bill | $16,551 (2026) |
| Deeds & Mortgages | Nov 2025 Second Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 713030-0195 |
| Primary APN | 713030-0195 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Stories | 2 Stories |
| Building Area | 3,940 sqft Living Area |
| Gross Area | 4,380 sqft |
| 1st Floor Area | 1,220 sqft |
| 2nd Floor Area | 1,630 sqft |
| Basement Area | 1,130 sqft |
| Finished Basement | 1,090 sqft |
| Unfinished Basement | 40 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Lot Area | 5,129 sqft (0.118 acres) |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 370 sqft |
| Deck Area | 840 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 713030019507 |
|---|---|
| Street Address | 10123 66TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98178-2512 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | RAINIER BEACH 2ND SUBDIV PCL A SEATTLE BLA #3025214 REC #20170215900001 SD BLA DAF LOTS 11-12-13 & N 15 FT OF LOT 14 BLOCK 6 OF SD ADD |
| Legal Range | 04 |
| Legal Township | 23 |
| Legal Section | 02 |
| Legal Subdivision | RAINIER BEACH 2ND SUBDIV |
| Legal Block | 6 |
| Legal Lot Number | 11 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 11902 |
10123 66th Ave S is owned and occupied by two individuals who bought it in September 2015.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 10123 66TH AVE S, SEATTLE, WA 98178-2512 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 22, 2015 · Amount on File |
| Deed Sale | Sep 22, 2015 · Amount on File |
| Deed Document Number | 2015509 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 10123 66TH AVE S, SEATTLE, WA 98178-2512 |
| Transaction Type | Mortgage |
| Record Updated | Nov 28, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0000000267 |
|---|---|
| Date | Nov 18, 2025 |
| Instrument | 20251118000267 |
| Name | BUTTON FINANCE INC |
|---|---|
| Type | Mortgage Company |
| Address | WHITE PLAINS, NY 10606 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 481 Months |
| Due | Dec 1, 2065 |
The 2026 property tax bill for 10123 66th Ave S was $16,551.
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 | $16,551.00 | ||
| 2025 | $1,597,000 (+15.39%) Land $491,000 Building $1,106,000 | $1,597,000 (+15.39%) Land $491,000 Building $1,106,000 | |
| 2024 | $13,416.00 | $1,384,000 Land $366,000 Building $1,018,000 | $1,384,000 Land $366,000 Building $1,018,000 |
| 2022 | $12,420.00 | $1,445,000 Land $312,000 Building $1,133,000 | $1,445,000 Land $312,000 Building $1,133,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10123 66th 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.
Wildfire risk around 10123 66th Ave S 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 702 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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