Washington County property record for 285 S 12th Ave, Cornelius, OR 97113
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,196 sqft · built 1900 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Individual Name on File |
| Last Sale | $70,000 (Nov 2013) |
| Tax Bill | $2,433 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1S304AB-04300 |
| Primary APN | 1S304AB-04300 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Building Area | 1,196 sqft Living Area |
| 1st Floor Area | 1,196 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 12,197 sqft (0.28 acres) |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Cooling System | Wall Unit |
|---|---|
| Heating Fuel | Electric |
| Street Address | 285 S 12TH AVE |
|---|---|
| City | CORNELIUS |
| State | OR |
| Zip | 97113-7612 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | CORNELIUS, BLOCK 9, LOT 4-5 PLUS PT VACATED ALLEY |
| Legal Range | 03W |
| Legal Township | 01S |
| Legal Section | 04 |
| Legal Subdivision | CORNELIUS |
| Legal Block | 9 |
| Legal Lot Number | 4-5 |
| Jurisdiction | WASHINGTON OR |
| Township / Civil Division | FOREST GROVE-CORNELIUS |
| Census Block Group | 2 |
| Census Block | 2032 |
| Census Tract | 32904 |
285 S 12th Ave is owned by an individual who bought it in November 2013.
Source: Washington County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 414 S 12TH AVE, CORNELIUS, OR 97113-6811 |
| 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 | Nov 13, 2013 · Amount on File |
| Deed Sale | Nov 13, 2013 · Amount on File |
| Deed Document Number | 201397846 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 285 S 12th Ave was $2,433, up 2.7% from the year before.
Source: Washington County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Oregon |
| County | Washington County |
| Municipality | Cornelius City |
| Unified School District | Forest Grove School District 15 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $136,310 (+3%) | $369,990 (+3.5%) Land $368,990 Building $1,000 | |
| 2025 | $2,433.00 (+2.74%) | $132,340 (+3%) | $357,490 (+32.92%) Land $356,490 Building $1,000 |
| 2024 | $2,368.00 (+9.53%) | $128,490 (+3%) | $268,950 (+1.73%) Land $267,950 Building $1,000 |
| 2023 | $2,162.00 (+12.84%) | $124,750 (+3%) | $264,380 (+16.09%) Land $263,380 Building $1,000 |
| 2022 | $1,916.00 | $121,120 | $227,730 Land $226,730 Building $1,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 285 S 12th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 14, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 285 S 12th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 | CITY OF CORNELIUS serves 14,490 people · EPA ID OR4100218 |
|---|---|
| Water Source | Purchased surface water from CITY OF HILLSBORO |
| Last State Inspection | Sep 2025 |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 453 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ziply Fiber Fiber | 6,000 / 6,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Hunter Communications, Verizon, Whiz to Coho.
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