Columbia County property record for 350 E Main St, Dayton, WA 99328
| Property Type | Recreational/Entertainment (General) |
|---|---|
| Details | 2 ba · 3,600 sqft · built 1906 |
| Lot Size | 0.116 acres (5,049 sqft) |
| Owner | Company Name on Record |
| Last Sale | $185,664 (Dec 2007) |
| Tax Bill | $733 (2025) |
| APN | 1-030-30-005-0003 |
| Primary APN | 1-030-30-005-0003 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Building Area | 3,600 sqft Gross Area |
| Basement Area | 3,600 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Roof Material | Other |
| Lot Area | 5,049 sqft (0.116 acres) |
| Account Number | 263625 |
|---|---|
| Street Address | 350 E MAIN ST |
| City | DAYTON |
| State | WA |
| Zip | 99328-1355 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Recreational/Entertainment (General) |
| Local Zoning Code | DC1 |
| Legal Description | DAY & MUSTARD, WLY 40 EX 8X84X30, SLY END LOT 5 BLK 30 5050 SQ. FT.; NON EXEMPT PORTION SEE 1-030-30-005-0013 (69% EXEMPT) |
| Legal Subdivision | DAY & MUSTARD |
| Legal Block | 30 |
| Legal Lot Number | 5 |
| Jurisdiction | COLUMBIA WA |
| Township / Civil Division | DAYTON |
| Census Block Group | 3 |
| Census Block | 3056 |
| Census Tract | 960200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Downtown Dayton Historic District listed 1999 · 29 contributing resources · NRIS 99000567 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Columbia County records, as of May 27, 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 | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 233, DAYTON, WA 99328-0233 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 7, 2007 · Amount on Record |
| Deed Sale | Dec 7, 2007 · Amount on Record |
| Record Updated | Sep 20, 2026 |
Source: Columbia County assessment roll, as of May 27, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | Columbia County |
| Municipality | Dayton City |
| Unified School District | Dayton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $733.00 (+15.62%) | $66,090 (+13.05%) Land $10,880 Building $55,210 | $66,090 (+13.05%) Land $10,880 Building $55,210 |
| 2023 | $634.00 | $58,460 Land $9,180 Building $49,280 | $58,460 Land $9,180 Building $49,280 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 | 4 (1996–2020) |
| Claims Outside the SFHA | 1 of 4 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | DAYTON WATER DEPARTMENT serves 3,374 people · EPA ID WA5318250 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2021 |
| Lead | Under 1 ppb (2022–2024) 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 316 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| PocketiNet Fiber | 2,000 / 2,000 |
| Columbia iConnect Fiber · Fixed Wireless | 1,000 / 1,000 |
| Spectrum Fiber | 1,000 / 1,000 |
| Inland Cellular Fiber | 1,000 / 1,000 |
May also be available: Verizon.
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