Asotin County property record for 303 Diagonal St, Clarkston, WA 99403
| Property Type | Professional Building (Legal, Insurance, Real Estate, Business) |
|---|---|
| Details | 3,860 sqft · built 1973 |
| Lot Size | 0.439 acres (19,166 sqft) |
| Tax Bill | $9,356 (2023) |
| APN | 6-001-36-014-0002 |
| Primary APN | 6-001-36-014-0002 |
|---|---|
| Alternative APNs |
|
| Building Area | 3,860 sqft Total Area |
|---|
| Year Built | Built 1973 |
|---|---|
| Lot Area | 19,166 sqft (0.439 acres) |
| Account Number | 436700 |
|---|---|
| Old Parcel Number | 10013601400020000 |
| Street Address | 303 DIAGONAL ST |
| City | CLARKSTON |
| State | WA |
| Zip | 99403-1936 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Professional Building (Legal, Insurance, Real Estate, Business) |
| Legal Description | CLARKSTON LOT 1 & PT LOTS 2 THRU 14 BLOCK 36 COMM. YB 1973-74 SQ 3860 P-B |
| Legal Subdivision | CLARKSTON |
| Legal Block | 36 |
| Legal Lot Number | 1-14 |
| Jurisdiction | ASOTIN WA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 960300 |
303 Diagonal St, a commercial property, is owned by a company.
Source: Asotin County records, as of July 12, 2023
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Mailing Address | 111 N WALL ST, SPOKANE, WA 99201-0609 |
|---|---|
| Owner Type | Company |
| Record Updated | Jun 7, 2026 |
|---|
Source: Asotin County assessment roll, as of May 31, 2023
| Type | Name |
|---|---|
| State | Washington |
| County | Asotin County |
| Municipality | Clarkston City |
| Unified School District | Clarkston School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2023 | $9,356.00 | ||
| 2022 | $809,700 Land $100,000 Building $709,700 | $809,700 Land $100,000 Building $709,700 |
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 303 Diagonal St.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 303 Diagonal St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.9% of Washington |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | PUD #1 OF ASOTIN COUNTY serves 21,930 people · EPA ID WA5393343 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | 4 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 53 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sparklight Cable | 1,000 / 50 |
May also be available: Airbridge Broadband, CenturyLink, Inland Cellular, Verizon.
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