20 Nansen Summit, Lake Oswego, OR 97035 Property Records

Multnomah County property record for 20 Nansen Summit, Lake Oswego, OR 97035

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,953 sqft · built 1988
Lot Size	0.305 acres (13,269 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,150,000 (Aug 2023)
Tax Bill	$15,019 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Sep 2023 Mortgage + 4 more
APN	`1S1E32CB-04500`

Property Details

APN / Parcel Number

Primary APN	`1S1E32CB-04500`
Alternative APNs	`R590015980` `R222919`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	15 Plumbing Fixtures
Stories	2 Stories
Building Area	2,953 sqft Living Area
Gross Area	3,841 sqft
1st Floor Area	1,777 sqft
Basement Area	888 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Exterior Material	Wood
Foundation Type	Concrete
Roof Type	Steel Frame/Truss
Roof Material	Wood
Lot Area	13,269 sqft (0.305 acres)
Garage Type	Attached
Garage Area	888 sqft
Parking Spaces	4 Parking Spaces
Deck Area	400 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	R590015980
Street Address	20 NANSEN SMT
City	LAKE OSWEGO
State	OR
Zip	97035-1043
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-0
Legal Description	MOUNTAIN PARK, BLOCK 54, LOT 4
Legal Range	01E
Legal Township	01S
Legal Section	32
Legal Subdivision	MOUNTAIN PARK
Legal Block	54
Legal Lot Number	4
Jurisdiction	MULTNOMAH OR
Township / Civil Division	PORTLAND WEST
Census Block Group	1
Census Block	1021
Census Tract	6404

Owner

Source: Multnomah County records, as of May 20, 2026

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 Record
Mailing Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Right of Survivorship

Deeds, Mortgages & Sale History

Date	Document
Mar 30, 2026	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 8, 2023	Deed of Trust, Mortgage · Conventional Mortgage DIRECTORS MORTGAGE INC
Aug 2, 2023	Warranty Deed, Transfer · Conventional Mortgage DIRECTORS MORTGAGE INC
Dec 15, 2020	Deed of Trust, Mortgage · Line of Credit ALASKA USA FCU
Dec 15, 2020	Warranty Deed, Transfer · Line of Credit ALASKA USA FCU
Jul 25, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 2, 2023 · Amount on Record
Deed Sale	Aug 2, 2023 · Amount on Record
Prior Sale	Dec 15, 2020 · Amount on Record
Deed Document Number	202348063
Record Updated	Oct 29, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MULTNOMAH OR
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Transaction Type	Mortgage
Record Updated	Apr 7, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043

Mortgage

Document Number	0000021076
Date	Mar 30, 2026
Instrument	2026-021076

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MULTNOMAH OR
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Transaction Type	Mortgage
Record Updated	Sep 14, 2023
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000056453
Date	Sep 8, 2023
Instrument	2023-056453

Lender

Name	DIRECTORS MORTGAGE INC
Type	Mortgage Company
Address	LAKE OSWEGO, OR 97035

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	6.87%
Adjustable	Adjustable Rate Rider
Type Change Date	Sep 1, 2033
Change Frequency	6 Months
Min Rate At Change	6.87%
Max Rate At Change	11.8%
Max Rate	11.8%

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MULTNOMAH OR
Recording Date	Aug 2, 2023
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Document Number	0000048063
Instrument Date	Apr 7, 2023
Instrument	2023-048063
Transaction Type	Transfer
Record Updated	Aug 10, 2023
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship

Mortgage

Document Number	0000048064
Date	Aug 2, 2023
Instrument	2023-048064

Lender

Name	DIRECTORS MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	6.87%
Adjustable	Adjustable Rate Rider
Type Change Date	Sep 1, 2033
Change Frequency	6 Months
Min Rate At Change	6.87%
Max Rate At Change	11.8%
Max Rate	11.8%

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MULTNOMAH OR
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Document Number	0000169891
Instrument Date	Dec 15, 2020
Transaction Type	Mortgage
Record Updated	Dec 22, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	3720 S BOND AVE #2508 PORTLAND OR 972394578, 2508, PORTLAND, OR 97239-4578

Mortgage

Document Number	0000169891
Date	Dec 15, 2020
Instrument	169891

Lender

Name	ALASKA USA FCU
Type	Credit Union
Address	SAN ANTONIO, TX 78269

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 14, 2050

Interest

Rate Type	Adjustable Rate

December 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	MULTNOMAH OR
Recording Date	Dec 15, 2020
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Document Number	0000169889
Instrument Date	Dec 10, 2020
Instrument	2020-169889
Transaction Type	Transfer
Record Updated	Aug 3, 2021
Title Company	FIRST AMERICAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043

Mortgage

Document Number	0000169891
Date	Dec 15, 2020
Instrument	2020-169891

Lender

Name	ALASKA USA FCU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Mortgage

Document Number	0000169890
Date	Dec 15, 2020
Instrument	2020-169890

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

July 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MULTNOMAH OR
Recording Date	Jul 25, 2019
Property Address	20 NANSEN SMT, LAKE OSWEGO, OR 97035-1043
Document Number	0000076112
Instrument Date	Jul 22, 2019
Instrument	76112
Transaction Type	Transfer
Record Updated	Aug 1, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	20 NANSEN SMT LAKE OSWEGO OR 970351043, LAKE OSWEGO, OR 97035-1043

Tax Assessment & Valuation

Source: Multnomah County assessment roll, as of October 29, 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	$15,019.00 (+4.41%)	$697,210 (+3%)	$970,680 (+4.92%) Land $456,000 Building $514,680
2024	$14,385.00 (+7.88%)	$676,911 (+10.36%)	$925,120 (+3.72%) Land $405,250 Building $519,870
2023	$13,334.00 (+3.98%)	$613,360 (+3%)	$891,920 (+4.93%) Land $420,000 Building $471,920
2022	$12,824.00	$595,500	$850,030 Land $409,000 Building $441,030

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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