Walla Walla County property record for 10189 Mill Creek Rd, Walla Walla, WA 99362
| Property Type | Seasonal / Vacation Home |
|---|---|
| Details | 1 bd · 1 ba · 576 sqft · built 1960 |
| Lot Size | 0.483 acres (21,022 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,279 (2025) |
| Deeds & Mortgages | Apr 2022 Transfer Nov 2019 Transfer |
| APN | 370612500602 |
| Primary APN | 370612500602 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 576 sqft Living Area |
| 1st Floor Area | 576 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Aluminum/Vinyl |
| Roof Material | Metal |
| Lot Area | 21,022 sqft (0.483 acres) |
| View / Lot | Mountain |
| Shed | 1 Shed |
| Shed Area | 100 sqft |
| Heating System | HVAC |
|---|
| Account Number | 31265 |
|---|---|
| Street Address | 10189 MILL CREEK RD |
| City | WALLA WALLA |
| State | WA |
| Zip | 99362 |
| Property Category | Residential |
| Property Type | Residential > Specialized > Seasonal / Vacation Home |
| Legal Description | 12-06-37 KOOSKOOSKIE CABIN TRACTS LOT 43 |
| Legal Range | 37 |
| Legal Township | 06 |
| Legal Section | 12 |
| Legal Subdivision | KOOSKOOSKIE CABIN OWNERS INC |
| Legal Block | 6 |
| Legal Lot Number | 43 |
| Jurisdiction | WALLA WALLA WA |
| Township / Civil Division | WAITSBURG |
| Census Block Group | 5 |
| Census Block | 5108 |
| Census Tract | 920100 |
10189 Mill Creek Rd, a residential property, is owned by a company.
Source: Walla Walla County records, as of March 23, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 10189 MILL CREEK RD, WALLA WALLA, WA 99362 |
| Owner Type | Company |
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 |
|---|---|
| Apr 6, 2022 | Quit Claim Deed, Transfer Quitclaim |
| Nov 14, 2019 | Quit Claim Deed, Transfer MID-COLUMBIA TITLE COMPANY, COLUMBIA TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALLA WALLA WA |
| Recording Date | Apr 6, 2022 |
| Property Address | 10189 MILL CREEK RD, WALLA WALLA, WA 99362 |
| Document Number | 0202202870 |
| Instrument Date | Mar 29, 2022 |
| Instrument | 2022-02870 |
| Transaction Type | Transfer |
| Record Updated | May 4, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2860 WILLIAMS RD, WALLA WALLA, WA 99362-9707 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALLA WALLA WA |
| Recording Date | Nov 14, 2019 |
| Property Address | 10189 MILL CREEK RD, WALLA WALLA, WA 99362 |
| Document Number | 201909389 |
| Instrument Date | Nov 14, 2019 |
| Instrument | 2019-09389 |
| Transaction Type | Transfer |
| Record Updated | Nov 2, 2021 |
| Title Company | MID-COLUMBIA TITLE COMPANY, COLUMBIA TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2860 WILLIAMS RD, WALLA WALLA, WA 99362-9707 |
The 2025 property tax bill for 10189 Mill Creek Rd was $1,279.
Source: Walla Walla County assessment roll, as of December 26, 2025
| Type | Name |
|---|---|
| State | Washington |
| County | Walla Walla County |
| Unified School District | Walla Walla Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,279.00 | $114,400 Building $114,400 | $114,400 Building $114,400 |
| 2023 | $114,400 (-) Building $114,400 | $114,400 (-) Building $114,400 | |
| 2022 | $114,400 Building $114,400 | $114,400 Building $114,400 | |
| 2021 | $1,109.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 10189 Mill Creek Rd; there have been 12 flood claims nearby since 1996.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Flood Insurance Cost | Premium on File median of 26 policies |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 12 (1996–2020) |
| Claims Outside the SFHA | 8 of 12 |
| Most Recent Claim | Feb 2020 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 10189 Mill Creek Rd is very high, ranking above 92% of the US, with a 1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Very High above 92% of the US · above 77% of Washington |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | KOOSKOOSKIE CABIN OWNERS INC. private · serves 45 people · EPA ID WA5334751 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2022 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 15 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.
Source: FCC Broadband Data Collection, based on 32 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Columbia iConnect Fixed Wireless | 100 / 20 |
May also be available: CenturyLink.
No cell data coverage reported
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