Washington County property record for 4285 SW 99th Ave, Beaverton, OR 97005
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,032 sqft · built 1939 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Individual Name on File |
| Last Sale | $439,900 (Sep 2015) |
| Tax Bill | $6,721 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1S114BA-08100 |
| Primary APN | 1S114BA-08100 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Building Area | 2,032 sqft Living Area |
| Gross Area | 2,442 sqft |
| 1st Floor Area | 1,762 sqft |
| Basement Area | 270 sqft |
| Finished Basement | 270 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1997 |
| Exterior Material | Wood |
| Construction Type | Wood |
| Foundation Type | Footing |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 10,019 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 410 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 186 sqft |
| Patio Area | 240 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Street Address | 4285 SW 99TH AVE |
|---|---|
| City | BEAVERTON |
| State | OR |
| Zip | 97005-3323 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-5 |
| Legal Description | 1997-110 PARTITION PLAT, LOT 1, ACRES 0.23 |
| Legal Range | 01W |
| Legal Township | 01S |
| Legal Section | 14 |
| Legal Subdivision | 1997-110 PARTITION PLAT |
| Legal Tract | A |
| Legal Lot Number | 1 |
| Jurisdiction | WASHINGTON OR |
| Township / Civil Division | BEAVERTON-HILLSBORO |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 31301 |
4285 SW 99th Ave is owned and occupied by an individual who bought it in September 2015.
Source: Washington County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4285 SW 99TH AVE, BEAVERTON, OR 97005-3323 |
| Occupancy | Owner Occupied |
| 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 | Sep 4, 2015 · Amount on File |
| Deed Sale | Sep 4, 2015 · Amount on File |
| Prior Sale | Oct 14, 2004 · Amount on File |
| Deed Document Number | 201575580 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4285 SW 99th Ave was $6,721, up 4.4% from the year before.
Source: Washington County assessment roll, as of May 28, 2026
| Type | Name |
|---|---|
| State | Oregon |
| County | Washington County |
| Unified School District | Beaverton School District 48J (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $366,320 (+3%) | $643,780 (-4.88%) Land $423,100 Building $220,680 | |
| 2025 | $6,721.00 (+4.36%) | $355,660 (+3%) | $676,790 (+4.32%) Land $385,820 Building $290,970 |
| 2024 | $6,440.00 (+6.48%) | $345,310 (+3%) | $648,740 (+4.83%) Land $354,150 Building $294,590 |
| 2023 | $6,048.00 (+3.35%) | $335,260 (+3%) | $618,870 (-3.89%) Land $365,530 Building $253,340 |
| 2022 | $5,852.00 | $325,500 | $643,890 Land $365,530 Building $278,360 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4285 SW 99th Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective April 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 24 policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 24 in force |
| Nearby Flood Claims | 1 (2015) |
| Most Recent Claim | Dec 2015 · Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides |
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.
Wildfire risk around 4285 SW 99th Ave is low, with less than 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 99.1% of the US · lower than 99.8% of Oregon |
|---|---|
| Wildfire Likelihood | Under 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 | WEST SLOPE WATER DISTRICT serves 11,000 people · EPA ID OR4100660 |
|---|---|
| Water Source | Purchased surface water from PORTLAND WATER BUREAU |
| Last State Inspection | May 2021 |
| Lead | 5 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead public education Mar 2018 |
| Monitoring and Reporting | 2 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 344 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 |
May also be available: AT&T, CenturyLink, T-Mobile.
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