Okanogan County property record for 710 Castle Ave, Winthrop, WA 98862
| Property Type | Single Family Home |
|---|---|
| Details | 1,976 sqft · built 1940 |
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | Individual Name on File |
| Last Sale | $100,000 (May 2007) |
| Tax Bill | $3,234 (2026) |
| APN | 2820080300 |
| Primary APN | 2820080300 |
|---|---|
| Alternative APN |
|
| Plumbing Fixtures | 8 Plumbing Fixtures |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,976 sqft Living Area |
| 1st Floor Area | 988 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Bi-Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Material | Metal |
| Lot Area | 4,792 sqft (0.11 acres) |
| Garage Type | Detached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 304 sqft |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Septic |
| Street Address | 710 CASTLE AVE |
|---|---|
| City | WINTHROP |
| State | WA |
| Zip | 98862 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLK 8 HECKENDORN WINTHROP |
| Legal Range | 21 |
| Legal Township | 34 |
| Legal Section | 02 |
| Legal Subdivision | HECKENDORN WINTHROP |
| Legal Block | 8 |
| Legal Lot Number | 3 |
| Jurisdiction | OKANOGAN WA |
| Township / Civil Division | METHOW VALLEY |
| Census Block Group | 3 |
| Census Block | 3039 |
| Census Tract | 970900 |
710 Castle Ave is owned by an individual who bought it in May 2007.
Source: Okanogan County records, as of May 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 21, WINTHROP, WA 98862-0021 |
| 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 | Name on Deed |
|---|---|
| Last Sale | May 9, 2007 · Amount on File |
| Deed Sale | May 9, 2007 · Amount on File |
| Deed Document Number | 20073118044 |
| Prior Transfer Date | May 7, 2007 |
| Prior Transfer Doc | 0003118044 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 710 Castle Ave was $3,234.
Source: Okanogan County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | Okanogan County |
| Municipality | Winthrop Town |
| Unified School District | Methow Valley School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,234.00 | $412,600 Land $65,000 Building $347,600 | $412,600 Land $65,000 Building $347,600 |
| 2023 | $363,000 (+15.86%) Land $65,000 Building $298,000 | $363,000 (+15.86%) Land $65,000 Building $298,000 | |
| 2022 | $313,300 Land $65,000 Building $248,300 | $313,300 Land $65,000 Building $248,300 |
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 710 Castle Ave; there have been 1 flood claim nearby since 2018.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 1 (2018) |
| Most Recent Claim | May 2018 · Flooding |
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 710 Castle Ave 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 79% 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 | TOWN OF WINTHROP serves 1,350 people · EPA ID WA5397750 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2022 |
| Lead | 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 6 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 71 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Swift-Stream Internet Fixed Wireless | 40 / 6 |
| CenturyLink DSL | 40 / 3 |
| Methownet Fixed Wireless | 25 / 5 |
| T-Mobile Fixed Wireless | 25 / 3 |
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