15 Nansen Summit, Lake Oswego, OR 97035 Property Records

Multnomah County property record for 15 Nansen Summit, Lake Oswego, OR 97035

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,098 sqft · built 1990
Lot Size	0.256 acres (11,172 sqft)
Owner	2 Individual Names on File
Last Sale	$777,000 (May 2019)
Tax Bill	$17,433 (2025)
Deeds & Mortgages	May 2019 Sale
APN	`1S1E32CB 05100`

Property Details

APN / Parcel Number

Primary APN	`1S1E32CB 05100`
Alternative APNs	`R590015340` `R222893`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	15 Plumbing Fixtures
Stories	2 Stories
Building Area	3,098 sqft Living Area
1st Floor Area	1,374 sqft
2nd Floor Area	670 sqft
Fireplaces	3 Fireplaces
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Exterior Material	Combination
Foundation Type	Concrete
Roof Material	Tile
Lot Area	11,172 sqft (0.256 acres)
Garage Type	Attached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces
Deck Area	432 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump
Heating Fuel	Gas

Location & Zoning

Account Number	R222893
Old Parcel Number	R590015340
Street Address	15 NANSEN SMT
City	LAKE OSWEGO
State	OR
Zip	97035-1066
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R7.5
Legal Description	MOUNTAIN PARK, BLOCK 53, LOT 21
Legal Range	01E
Legal Township	01S
Legal Section	32
Legal Quarter	SW
Quarter-Quarter Section	NW
Legal Subdivision	MOUNTAIN PARK
Legal Block	53
Legal Lot Number	21
Jurisdiction	MULTNOMAH OR
Township / Civil Division	PORTLAND WEST
Census Block Group	1
Census Block	1008
Census Tract	6404

Owner

Source: Multnomah County records · APN 1S1E32CB 05100

Assessment roll updated September 30, 2025 · Last verified December 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	15 NANSEN SMT, LAKE OSWEGO, OR 97035-1066
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 09, 2019 · Amount on Record
Deed Sale	May 09, 2019 · Amount on Record
Prior Sale	Jun 12, 2015 · Amount on Record
Deed Document Number	2019-046206
Record Updated	Jun 08, 2026

May 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MULTNOMAH OR
Recording Date	May 09, 2019
Property Address	15 NANSEN SMT, LAKE OSWEGO, OR 97035-1066
Document Number	0000046206
Instrument Date	May 07, 2019
Instrument	46206
Transaction Type	Transfer
Record Updated	May 20, 2019
Title Company	WFG TITLE

Transaction

Amount	Amount Recorded
Tax	$777.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	5613 SW JOSHUA ST TUALATIN OR 970629773, TUALATIN, OR 97062-9773

Tax Assessment & Valuation

Source: Multnomah County records · Assessment roll updated September 30, 2025 · Last verified December 2025

Property Jurisdictions

Type	Name
State	Oregon
County	Multnomah County
Municipality	Lake Oswego City
Unified School District	Portland School District 1J (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$17,433.00 (+4.11%)	$827,250 (+3%)	$1,074,350 (+4.01%) Land $448,500 Building $625,850
2024	$16,745.00 (+1.05%)	$803,160 (+3%)	$1,032,880 (-2.37%) Land $398,500 Building $634,380
2023	$16,571.00 (+4.27%)	$779,770 (+3%)	$1,057,930 (+5.95%) Land $398,500 Building $659,430
2022	$15,892.00	$757,060	$998,560 Land $388,500 Building $610,060

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of May 31, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Not included in the FIRM
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Lumen Technologies DSL	140 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T, Northwest Fiber.

Based on FCC filings for 389 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	LAKE OSWEGO MUNICIPAL WATER serves 40,000 people
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

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.