18 Nansen Summit Lake Oswego, OR $ 2,595,000
18 Nansen Summit
$ 2,595,000
New Construction
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18 Nansen Summit

Lake Oswego, OR, 97035
$ 2,595,000
Bedrooms5 Baths4.1 Sq 5,640

Monthly Estimate*

$ 16,189

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Single Family Home for sale in Lake Oswego, OR for $2,595,000 with 5 bedrooms and 4 full baths, 1 half bath. This 5,640 square foot home was built in 2025 on a lot size of 0.33.

Sitting atop the highest point in Lake Oswego lies “Summit 18,” a signature home in the 2025 Street of Dreams. Built by award-winning Elite Development PNW, this 5,640-square-foot residence captures commanding views from the top of Mount Sylvania—offering a rare blend of elevation, elegance, and design excellence. From the moment you arrive, it’s clear no detail was spared. Thoughtfully designed across three levels and connected by a custom elevator, Summit 18 features five bedrooms and four and a half baths, with a layout that balances grand scale with comfortable livability. The main level hosts a gourmet kitchen equipped with a built-in refrigerator, double ovens, gas range, and a statement island—all open to light-filled living spaces with high ceilings, wide-plank hardwood floors, and a sleek gas fireplace. Every surface and finish was chosen with intention. Upstairs, the primary suite provides a retreat-like experience with large picture windows, a spa-inspired bathroom with a soaking tub, heated tile floors, and a generous walk-in closet. Additional bedrooms offer flexibility for guests, home office, or multi-generational living. The lower level adds more room to entertain or unwind—ideal for a home theater, gym, or bonus space—with full bath access and seamless flow to the outdoors. Located in the desirable Mountain Park community, residents enjoy access to a private gym, lap pool, sport courts, and scenic trails. With a gently sloping lot, three-car garage, and panoramic views stretching over the city and surrounding hills, Summit 18 is more than just a home—it’s a statement of modern luxury at elevation.

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Single Family Active

Price

$ 2,595,000

Bedrooms

5

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 6,231

Style

NWContemporary

Lot Size

0.33

Year Built

2025

Town/City

Lake Oswego

County/Region

MULTNOMAH

MLS | Web ID

614618566

Features
Interior
Interior Amenities Floor3rd CentralVacuum Elevator GarageDoorOpener HardwoodFloors HeatedTileFloor HighCeilings Laundry Quartz SoakingTub SoundSystem TileFloor VaultedCeiling WasherDryer
Basement Daylight FullBasement
Total Fireplaces 1
Fireplace Features Gas
Hot Water Gas Tank
Window Features DoublePaneWindows
Total Bathrooms 4.1
Total Bedrooms 5
Total Baths 5
1/2 Baths 1
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General
Sewer PublicSewer
Heating ForcedAir95Plus
Cooling CentralAir
Roof Composition
Appliances BuiltinOven BuiltinRange BuiltinRefrigerator ButlersPantry Cooktop Dishwasher Disposal DoubleOven GasAppliances Island Microwave Quartz RangeHood StainlessSteelAppliance Tile WineCooler
HOA Fee 612.0
Garage Spaces 3.0
Architectural Style NWContemporary
Security Features SecuritySystemOwned
Year Built 2025
Stories Count 3
Property Subtype SingleFamilyResidence
Tax Year 2025
Warranty BuilderWarranty
Parcel Number R222920
Accessibility AccessibleElevatorInstalled AccessibleHallway NaturalLighting WalkinShower
Assoc Fee Paid Per SemiAnnually
County Multnomah
Property Type Residential
Association Amenities AllLandscaping Gym LapPool Pool Trash
HOA Y
Full Baths 4
Status Active
Directions Nansen Summit
High School Ida B Wells
City LakeOswego
Disclosures Exempt
MLS Area _147
Lot Size Square Feet 14374.0
Listing Terms CallListingAgent Cash Conventional
Elementary School Stephenson
Tax Annual Amount 6231.5
Middle/Junior High School Jackson
Property Condition NewConstruction
Virtual Tour https://vimeo.com/1106050627
Standard Status Active
Accessory Dwelling Unit Y/N N
Legal Description MOUNTAIN PARK BLOCK 54 LOT 5
ADU False
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Exterior
Exterior Amenities BuiltinBarbecue CoveredPatio Deck Fenced GasHookup OnSiteStormwaterManagement Patio PublicRoad Sprinkler Yard
Parking Features Driveway OnStreet
Lot Features GentleSloping
Water Source PublicWater
Total Parking 3.0
Garage Type Attached
Exterior Description CulturedStone LapSiding
Foundation Details ConcretePerimeter
Building Area Total 5640.0
Lot Size Acres 0.33
Road Surface Type Paved
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Internal Only
Street Number 1 18
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* Excluded Features
List By
Harnish Company Realtors

Broker

harnish@harnishproperties.com

Contact

Affordability Calculator

$16,709
Per Month
97%
3%
0%
Monthly Principal & Interest
$16,189
Monthly Property Taxes
$519
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3254084 Elementary School
3254087 Middle School
Ida B Wells High School High School
Pricing History
DatePricePrice ChangeDescription
11/5/2025$2,595,000 -7.16% Price Down
9/9/2025$2,795,000 -5.89% Price Down
8/21/2025$2,970,000 -0.83% Price Down
7/1/2025$2,995,000 Listed Price

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18 Nansen Summit, Lake Oswego, OR, 97035 is a Single Family Home for sale at $2,595,000 with 5,640 sqft and a lot size of 0.33. 18 Nansen Summit has 5 bedrooms, 4.1 baths, and was built in 2025. The property's zip code is 97035 which is in Lake Oswego, OR