Multnomah County property record for 73 Nansen Summit, Lake Oswego, OR 97035
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 3,800 sqft · built 1981 |
| Lot Size | 0.22 acres (9,600 sqft) |
| Owner | Owner Name on File |
| Last Sale | $438,000 (May 2001) |
| Tax Bill | $14,555 (2025) |
| APN | 1S1E31DA 04200 |
| Primary APN | 1S1E31DA 04200 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 16 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 3,800 sqft Living Area |
| 1st Floor Area | 1,926 sqft |
| Basement Area | 1,874 sqft |
| Finished Basement | 1,874 sqft |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Intercom | Intercom |
| Year Built | Built 1981 |
|---|---|
| Architectural Style | Other |
| Exterior Material | Wood |
| Foundation Type | Concrete |
| Roof Material | Tile |
| Lot Area | 9,600 sqft (0.22 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 450 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Gas |
| Account Number | R222884 |
|---|---|
| Old Parcel Number | R590015160 |
| Street Address | 73 NANSEN SMT |
| City | LAKE OSWEGO |
| State | OR |
| Zip | 97035-1066 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD |
| Legal Description | MOUNTAIN PARK, BLOCK 53, LOT 12 |
| Legal Range | 01E |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | SE |
| Quarter-Quarter Section | NE |
| Legal Subdivision | MOUNTAIN PARK |
| Legal Block | 53 |
| Legal Lot Number | 12 |
| Jurisdiction | MULTNOMAH OR |
| Township / Civil Division | PORTLAND WEST |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 6404 |
The current owner of 73 Nansen Summit bought it in May 2001.
Source: Multnomah County records, as of December 15, 2025
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 | Owner Name on File |
|---|---|
| Mailing Address | 73 NANSEN SMT, LAKE OSWEGO, OR 97035-1066 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 21, 2001 · Amount on File |
| Deed Sale | May 21, 2001 · Amount on File |
| Deed Document Number | 2001-074285 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 73 Nansen Summit was $14,555, up 3.2% from the year before.
Source: Multnomah County assessment roll, as of September 30, 2025
| Type | Name |
|---|---|
| State | Oregon |
| County | Multnomah County |
| Municipality | Lake Oswego City |
| Unified School District | Portland School District 1J (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $14,555.00 (+3.15%) | $682,630 (+3%) | $920,360 (+1.05%) Land $382,500 Building $537,860 |
| 2024 | $14,110.00 (-0.11%) | $662,750 (+3%) | $910,780 (-5.43%) Land $367,500 Building $543,280 |
| 2023 | $14,125.00 (+4.14%) | $643,450 (+3%) | $963,060 (+5.36%) Land $367,500 Building $595,560 |
| 2022 | $13,564.00 | $624,710 | $914,080 Land $357,500 Building $556,580 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA's flood maps do not cover 73 Nansen Summit; 1 flood insurance policy is in force nearby.
Source: FEMA National Flood Hazard Layer, effective May 31, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not included in the FIRM |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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.
The area around 73 Nansen Summit 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 | LAKE OSWEGO MUNICIPAL WATER serves 40,000 people · EPA ID OR4100457 |
|---|---|
| Water Source | Purchased surface water from LAKE OSWEGO - TIGARD WATER SUPPLY |
| Last State Inspection | Oct 2025 |
| Lead | 2 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| 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 389 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Ziply Fiber.
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