Okanogan County property record for 643B Lost River Rd, Mazama, WA 98833
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 480 sqft · built 1985 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $165,000 (Aug 2006) |
| Tax Bill | $1,915 (2026) |
| APN | 6010880000 |
| Primary APN | 6010880000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Stories | 2 Stories |
| Building Area | 480 sqft Living Area |
| 1st Floor Area | 336 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Bi-Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Foundation Type | No Foundation |
| Roof Material | Composition Shingle |
| Lot Area | 14,810 sqft (0.34 acres) |
| Deck Area | Deck Area |
| Patio Area | 232 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Baseboard |
| Heating Fuel | Electric |
| Sewer | Septic |
| Street Address | 643B LOST RIVER RD |
|---|---|
| City | MAZAMA |
| State | WA |
| Zip | 98833-9709 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 88 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 | 88 |
| Jurisdiction | OKANOGAN WA |
| Township / Civil Division | EARLY WINTERS |
| Census Block Group | 1 |
| Census Block | 1124 |
| Census Tract | 970900 |
Source: Okanogan County records, as of May 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 643A LOST RIVER RD, MAZAMA, WA 98833-9709 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 18, 2006 · Amount on File |
| Deed Sale | Aug 18, 2006 · Amount on File |
| Deed Document Number | 20063107420 |
| Record Updated | Sep 20, 2026 |
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 | $1,915.00 | $240,500 (+33.02%) Land $75,000 Building $165,500 | $240,500 (+33.02%) Land $75,000 Building $165,500 |
| 2023 | $180,800 (+21.51%) Land $42,000 Building $138,800 | $180,800 (+21.51%) Land $42,000 Building $138,800 | |
| 2022 | $148,800 Land $42,000 Building $106,800 | $148,800 Land $42,000 Building $106,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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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