5 Nansen Summit, Lake Oswego, OR 97035 Property Records

Multnomah County property record for 5 Nansen Summit, Lake Oswego, OR 97035

Property Summary

Property Type	Single Family Home
Details	4 bd · 5 ba · 3,900 sqft · built 1984
Lot Size	0.311 acres (13,583 sqft)
Owner	Owner Name on Record
Last Sale	$799,000 (Jan 2005)
Tax Bill	$18,994 (2025)
Deeds & Mortgages	Apr 2021 Line of Credit Feb 2017 Mortgage
APN	`1S1E31DA 04300`

Property Details

APN / Parcel Number

Primary APN	`1S1E31DA 04300`
Alternative APNs	`R590015440` `R222898`

Interior

Bedrooms	4 Beds
Full Baths	5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	16 Plumbing Fixtures
Stories	2 Stories
Building Area	3,900 sqft Living Area
1st Floor Area	1,550 sqft
2nd Floor Area	800 sqft
Basement Area	1,550 sqft
Finished Basement	1,550 sqft
Fireplaces	2 Fireplaces
Fireplace	Fireplace
Intercom	Intercom

Exterior

Year Built	Built 1984
Architectural Style	Contemporary
Exterior Material	Wood
Foundation Type	Concrete
Roof Material	Wood
Lot Area	13,583 sqft (0.311 acres)
Garage Type	Attached
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Pool Area	600 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air
Heating Fuel	Gas

Location & Zoning

Account Number	R222898
Old Parcel Number	R590015440
Street Address	5 NANSEN SMT
City	LAKE OSWEGO
State	OR
Zip	97035-1029
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PUD
Legal Description	MOUNTAIN PARK, BLOCK 53, LOT 25&26 TL 4300
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	25-26 26
Jurisdiction	MULTNOMAH OR
Township / Civil Division	PORTLAND WEST
Census Block Group	1
Census Block	1008
Census Tract	6404

Owner

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 Record
Mailing Address	5 NANSEN SMT, LAKE OSWEGO, OR 97035-1029
Occupancy	Owner Occupied

Deeds, Mortgages & Sale History

Date	Document
Apr 23, 2021	Deed of Trust, Mortgage · Line of Credit ONPOINT COMMUNITY CU
Feb 23, 2017	Deed of Trust, Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 18, 2005 · Amount on Record
Deed Sale	Jan 18, 2005 · Amount on Record
Prior Sale	Oct 17, 2000
Deed Document Number	0000009726
Last Transfer Date	Jun 7, 2007
Transfer Doc	0000101656
Record Updated	Jun 8, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MULTNOMAH OR
Property Address	5 NANSEN SMT, LAKE OSWEGO, OR 97035-1029
Transaction Type	Mortgage
Record Updated	Apr 30, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000066020
Date	Apr 23, 2021
Instrument	2021-066020

Lender

Name	ONPOINT COMMUNITY CU
Type	Credit Union
Address	PORTLAND, OR 97208

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Apr 22, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MULTNOMAH OR
Property Address	5 NANSEN SMT, LAKE OSWEGO, OR 97035-1029
Document Number	0000026148
Instrument Date	Feb 23, 2017
Transaction Type	Mortgage
Record Updated	Aug 16, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	5 NANSEN SMT LAKE OSWEGO OR 970351029, LAKE OSWEGO, OR 97035-1029

Mortgage

Document Number	0000026148
Date	Mar 1, 2017
Instrument	26148

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Feb 28, 2047

Tax Assessment & Valuation

Source: Multnomah County assessment roll, as of September 30, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$18,994.00 (+3.74%)	$841,580 (+3%)	$1,355,580 (+0.22%) Land $413,500 Building $942,080
2024	$18,309.00 (+2.77%)	$817,070 (+3%)	$1,352,670 (-3.73%) Land $397,750 Building $954,920
2023	$17,815.00 (+3.32%)	$793,280 (+3%)	$1,405,130 (+6.46%) Land $412,500 Building $992,630
2022	$17,242.00	$770,180	$1,319,810 Land $401,500 Building $918,310

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

Flood

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.

Wildfire

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.

Drinking Water

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

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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

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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