King County property record for 8561 129th Ave SE, Newcastle, WA 98056
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,550 sqft · built 1989 |
| Lot Size | 0.292 acres (12,698 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $806,000 (Jun 2019) |
| Tax Bill | $11,450 (2026) |
| Deeds & Mortgages | Jun 2019 Sale & Mortgage Mar 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 638890-0810 |
| Primary APN | 638890-0810 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,550 sqft Living Area |
| Gross Area | 3,140 sqft |
| 1st Floor Area | 1,430 sqft |
| 2nd Floor Area | 1,120 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 12,698 sqft (0.292 acres) |
| Garage Type | Attached |
| Garage Area | 590 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Heat Pump |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 638890081000 |
|---|---|
| Street Address | 8561 129TH AVE SE |
| City | NEWCASTLE |
| State | WA |
| Zip | 98056-1757 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-6 |
| Legal Description | OLYMPUS |
| Legal Subdivision | OLYMPUS |
| Legal Lot Number | 81 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE EAST |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 25001 |
8561 129th Ave SE is owned and occupied by two individuals who bought it in June 2019.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 8561 129TH AVE SE, NEWCASTLE, WA 98056-1757 |
| 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.
| Date | Document |
|---|---|
| Jun 4, 2019 | Warranty Deed, Transfer · Conventional Mortgage BANK OF AMERICA |
| Mar 26, 2018 | Deed of Trust, Mortgage · Line of Credit BOEING EMPS CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 4, 2019 · Amount on File |
| Deed Sale | Jun 4, 2019 · Amount on File |
| Prior Sale | Feb 25, 2002 · Amount on File |
| Deed Document Number | 2019548 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jun 4, 2019 |
| Property Address | 8561 129TH AVE SE, NEWCASTLE, WA 98056-1757 |
| Document Number | 0000000548 |
| Instrument Date | May 29, 2019 |
| Instrument | 201906040548 |
| Transaction Type | Transfer |
| Record Updated | Jun 12, 2019 |
| Title Company | WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 8561 429TH AVE SE NEWCASTLE WA 98056, NEWCASTLE, WA 98056 |
| Document Number | 549 |
|---|---|
| Date | Jun 4, 2019 |
| Instrument | 201906040549 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 3, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 8561 129TH AVE SE, NEWCASTLE, WA 98056-1757 |
| Document Number | 0000001393 |
| Instrument Date | Mar 26, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Apr 18, 2018 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 8561 129TH AVE SE NEWCASTLE WA 980561757, NEWCASTLE, WA 98056-1757 |
| Document Number | 0000001393 |
|---|---|
| Date | Apr 11, 2018 |
| Instrument | 201804111393 |
| Name | BOEING EMPS CU |
|---|---|
| Type | Credit Union |
| Address | SEATTLE, WA 98124-9750 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Apr 10, 2043 |
| Rate Type | Adjustable Rate |
|---|
The 2026 property tax bill for 8561 129th Ave SE was $11,450.
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Newcastle City |
| Unified School District | Renton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $11,450.00 | ||
| 2025 | $1,273,000 (+6.71%) Land $764,000 Building $509,000 | $1,273,000 (+6.71%) Land $764,000 Building $509,000 | |
| 2024 | $10,688.00 | $1,193,000 Land $713,000 Building $480,000 | $1,193,000 Land $713,000 Building $480,000 |
| 2022 | $10,616.00 | $1,209,000 Land $731,000 Building $478,000 | $1,209,000 Land $731,000 Building $478,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8561 129th Ave SE in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 8561 129th Ave SE is low, with 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 80% of the US · lower than 84% of Washington |
|---|---|
| Wildfire Likelihood | 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 | COAL CREEK UTILITY DISTRICT serves 15,989 people · EPA ID WA5341750 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2022 |
| 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 314 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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