Washington County property record for 3478 SW 173rd Ave, Beaverton, OR 97003
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,367 sqft · built 1979 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | Individual Name on File |
| Last Sale | $295,000 (Aug 2005) |
| Tax Bill | $6,317 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1S107DB-03900 |
| Primary APN | 1S107DB-03900 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Building Area | 2,367 sqft Living Area |
| Gross Area | 2,934 sqft |
| 1st Floor Area | 1,368 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1984 |
| Exterior Material | Wood |
| Construction Type | Wood |
| Foundation Type | Footing |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 8,276 sqft (0.19 acres) |
| Garage Type | Attached |
| Garage Area | 567 sqft |
| Driveway | Concrete Driveway |
| Driveway Area | 504 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 208 sqft |
| Patio Area | 200 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Street Address | 3478 SW 173RD AVE |
|---|---|
| City | BEAVERTON |
| State | OR |
| Zip | 97003-4526 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-5 |
| Legal Description | MORFORD ADDITION, LOT 4 |
| Legal Range | 01W |
| Legal Township | 01S |
| Legal Section | 07 |
| Legal Subdivision | MORFORD ADDITION |
| Legal Lot Number | 4 |
| Jurisdiction | WASHINGTON OR |
| Township / Civil Division | BEAVERTON-HILLSBORO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 31624 |
3478 SW 173rd Ave is owned and occupied by an individual who bought it in August 2005.
Source: Washington County records, as of May 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3478 SW 173RD AVE, BEAVERTON, OR 97003-4526 |
| 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 | Aug 15, 2005 · Amount on File |
| Deed Sale | Aug 15, 2005 · Amount on File |
| Deed Document Number | 200596794 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3478 SW 173rd Ave was $6,317, up 4.3% 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 | $339,150 (+3%) | $610,300 (+0.1%) Land $301,260 Building $309,040 | |
| 2025 | $6,317.00 (+4.26%) | $329,280 (+3%) | $609,720 (+2.63%) Land $306,060 Building $303,660 |
| 2024 | $6,059.00 (+6.56%) | $319,690 (+3%) | $594,110 (+0.98%) Land $283,950 Building $310,160 |
| 2023 | $5,686.00 (+3.44%) | $310,380 (+3%) | $588,330 (-1.07%) Land $254,500 Building $333,830 |
| 2022 | $5,497.00 | $301,340 | $594,720 Land $233,600 Building $361,120 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3478 SW 173rd 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 3478 SW 173rd 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 | TUALATIN VALLEY WATER DISTRICT serves 224,600 people · EPA ID OR4100665 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | 5 ppb (2026) 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 459 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 | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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