Washington County property record for 311 S 20th Ave, Cornelius, OR 97113
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,782 sqft · built 1979 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $3,930 (2025) |
| Deeds & Mortgages | Oct 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1S303BC-01500 |
| Primary APN | 1S303BC-01500 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Building Area | 1,782 sqft Living Area |
| Gross Area | 2,244 sqft |
| 1st Floor Area | 1,014 sqft |
| Basement Area | 768 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 2006 |
| Exterior Material | Wood |
| Construction Type | Wood |
| Foundation Type | Footing |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,841 sqft (0.18 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Driveway | Concrete Driveway |
| Driveway Area | 540 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 128 sqft |
|---|---|
| Patio Area | 192 sqft |
| Shed | 1 Shed |
| Shed Area | 243 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 311 S 20TH AVE |
|---|---|
| City | CORNELIUS |
| State | OR |
| Zip | 97113-7325 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | FERTILE VALLEY, LOT 22, ACRES 0.18 |
| Legal Range | 03W |
| Legal Township | 01S |
| Legal Section | 03 |
| Legal Subdivision | FERTILE VALLEY |
| Legal Lot Number | 22 |
| Jurisdiction | WASHINGTON OR |
| Township / Civil Division | FOREST GROVE-CORNELIUS |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 32904 |
Source: Washington County records, as of October 19, 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 Company Names on File |
|---|---|
| Mailing Address | 311 S 20TH AVE, CORNELIUS, OR 97113-7325 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WASHINGTON OR |
| Recording Date | Oct 9, 2026 |
| Property Address | 311 S 20TH AVE, CORNELIUS, OR 97113-7325 |
| Document Number | 0000047289 |
| Instrument Date | Oct 9, 2026 |
| Instrument | 202647289 |
| Transaction Type | Transfer |
| Record Updated | Oct 16, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant |
| Address | 311 S 20TH AVE, CORNELIUS, OR 97113-7325 |
| Investor | Possibly a Property Investor |
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 | $220,150 (+3%) | $446,560 (-6.19%) Land $229,900 Building $216,660 | |
| 2025 | $3,930.00 (+2.77%) | $213,740 (+3%) | $476,030 (+4.31%) Land $228,000 Building $248,030 |
| 2024 | $3,824.00 (+9.48%) | $207,520 (+3%) | $456,350 (+4.8%) Land $185,820 Building $270,530 |
| 2023 | $3,493.00 (+12.9%) | $201,480 (+3%) | $435,460 (-1.33%) Land $181,690 Building $253,770 |
| 2022 | $3,094.00 | $195,620 | $441,320 Land $157,990 Building $283,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 540 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Hunter Communications.
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