Okanogan County property record for 641 Lost River Rd, Mazama, WA 98833
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 1,005 sqft · built 2006 |
| Lot Size | 0.62 acres (27,007 sqft) |
| Owner | Individual Name on File |
| Last Sale | $259,000 (Jul 2008) |
| Tax Bill | $3,586 (2026) |
| APN | 6010900001 |
| Primary APN | 6010900001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,005 sqft Living Area |
| 1st Floor Area | 600 sqft |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Material | Metal |
| Lot Area | 27,007 sqft (0.62 acres) |
| Patio Area | 144 sqft |
| Shed | 1 Shed |
| Shed Area | 32 sqft |
| Heating System | Radiant |
|---|---|
| Sewer | Septic |
| Street Address | 641 LOST RIVER RD |
|---|---|
| City | MAZAMA |
| State | WA |
| Zip | 98833 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TAX 1 LOT 90 & 91 LOST RIVER AIRPORT TR 1ST ADD |
| Legal Range | 19 |
| Legal Township | 36 |
| Legal Section | 05 |
| Legal Subdivision | LOST RIVER AIRPORT TR 1ST ADD |
| Legal Tract | 1ST |
| Legal Lot Number | 90,91 |
| Jurisdiction | OKANOGAN WA |
| Township / Civil Division | EARLY WINTERS |
| Census Block Group | 1 |
| Census Block | 1124 |
| Census Tract | 970900 |
641 Lost River Rd is owned by an individual who bought it in July 2008.
Source: Okanogan County records, as of May 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1908 E REPUBLICAN ST, B, SEATTLE, WA 98112-4001 |
| 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 | Jul 31, 2008 · Amount on File |
| Deed Sale | Jul 31, 2008 · Amount on File |
| Deed Document Number | 20083135334 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 641 Lost River Rd was $3,586.
Source: Okanogan County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | Okanogan County |
| Unified School District | Methow Valley School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,586.00 | $455,100 Land $135,000 Building $320,100 | $455,100 Land $135,000 Building $320,100 |
| 2023 | $344,100 (+21.98%) Land $75,600 Building $268,500 | $344,100 (+21.98%) Land $75,600 Building $268,500 | |
| 2022 | $282,100 Land $75,600 Building $206,500 | $282,100 Land $75,600 Building $206,500 |
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 641 Lost River Rd; there have been 8 flood claims nearby since 2006.
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 33 policies |
| Nearby Flood Policies | 33 in force |
| Nearby Flood Claims | 8 (2006–2018) |
| 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 641 Lost River Rd is very high, ranking above 93% of the US, with a 2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Very High above 93% of the US · above 80% of Washington |
|---|---|
| Wildfire Likelihood | 2% 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 | LOST RIVER AIRPORT ASSOCIATION private · serves 76 people · EPA ID WA5348348 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2021 |
| Lead | 2 ppb (2021–2023) 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.
Source: FCC Broadband Data Collection, based on 62 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| CenturyLink DSL | 40 / 3 |
4G LTE (outdoors only), no 5G reported
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