Multnomah County property record for 3 Nansen Summit, Lake Oswego, OR 97035
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.5 ba · 3,517 sqft · built 1981 |
| Lot Size | 0.307 acres (13,359 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $17,519 (2025) |
| Deeds & Mortgages | Nov 2025 Transfer Aug 2025 Transfer + 1 more |
| APN | 1S1E31DA-04900 |
| Primary APN | 1S1E31DA-04900 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 16 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 3,517 sqft Living Area |
| Gross Area | 4,672 sqft |
| 1st Floor Area | 3,517 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Exterior Material | Block Painted |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Wood |
| Lot Area | 13,359 sqft (0.307 acres) |
| Garage Type | Attached |
| Garage Area | 1,155 sqft |
| Parking Spaces | 7 Parking Spaces |
| Deck Area | 100 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Heating Fuel | Gas |
| Sewer | Storm Sewer |
| Account Number | R590015460 |
|---|---|
| Street Address | 3 NANSEN SMT |
| City | LAKE OSWEGO |
| State | OR |
| Zip | 97035-1029 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-7.5 |
| Legal Description | MOUNTAIN PARK, BLOCK 53, LOT 27 |
| Legal Range | 01E |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Subdivision | MOUNTAIN PARK |
| Legal Block | 53 |
| Legal Lot Number | 27 |
| Jurisdiction | MULTNOMAH OR |
| Township / Civil Division | PORTLAND WEST |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 6404 |
3 Nansen Summit is held in a trust since August 2025.
Source: Multnomah County records, as of October 13, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 8448 NE 33RD DR, 200, PORTLAND, OR 97211-2105 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 6, 2025 | Intrafamily Transfer, Transfer |
| Aug 20, 2025 | Intrafamily Transfer, Transfer |
| Aug 20, 2025 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Aug 8, 2025 |
| Transfer Doc | 0000052839 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MULTNOMAH OR |
| Recording Date | Nov 6, 2025 |
| Property Address | 3 NANSEN SMT, LAKE OSWEGO, OR 97035-1029 |
| Document Number | 0000072233 |
| Instrument Date | Nov 3, 2025 |
| Instrument | 2025-072233 |
| Transaction Type | Transfer |
| Record Updated | Nov 19, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 8448 NE 33RD DR STE 200, 200, PORTLAND, OR 97211-2105 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MULTNOMAH OR |
| Recording Date | Aug 20, 2025 |
| Property Address | 3 NANSEN SMT, LAKE OSWEGO, OR 97035-1029 |
| Document Number | 0000052857 |
| Instrument Date | Aug 18, 2025 |
| Instrument | 2025-052857 |
| Transaction Type | Transfer |
| Record Updated | Nov 19, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 848 NE 33RD AVE # 200, 200, PORTLAND, OR 97232 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MULTNOMAH OR |
| Recording Date | Aug 20, 2025 |
| Property Address | 3 NANSEN SMT, LAKE OSWEGO, OR 97035-1029 |
| Document Number | 0000052839 |
| Instrument Date | Aug 16, 2025 |
| Instrument | 2025-052839 |
| Transaction Type | Transfer |
| Record Updated | Nov 19, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 848 NE 33RD AVE # 200, 200, PORTLAND, OR 97232 |
The 2025 property tax bill for 3 Nansen Summit was $17,519, up 3.1% from the year before.
Source: Multnomah County assessment roll, as of October 29, 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 | $17,519.00 (+3.07%) | $829,290 (+3%) | $1,085,570 (+0.74%) Land $313,500 Building $772,070 |
| 2024 | $16,997.00 (-2.02%) | $805,140 (+3%) | $1,077,610 (-10.75%) Land $297,750 Building $779,860 |
| 2023 | $17,347.00 (+4.32%) | $781,690 (+3%) | $1,207,390 (+5.87%) Land $352,500 Building $854,890 |
| 2022 | $16,629.00 | $758,930 | $1,140,450 Land $341,500 Building $798,950 |
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 3 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 3 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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