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16840 Alder Cir, 
Lakeoswego, OR 97034

$5,995,000


5

Beds


5

Baths


4,689

Sq Ft


Single Family

Active

Listed by

Katherine Williams

Rose City Realty Group

503-349-5511

Last updated:

March 2, 2026, 09:26 PM

MLS#

104151261

Source:

PORTLAND

About This Home

16840 Alder Cir

Experience lakefront luxury living in this very recently completed custom stunner on the main shores of Oswego Lake. With five bedrooms plus an office and a gym and four and a half bathrooms, this home was mindfully designed around extensive entertaining and everyday ease. At every turn, there is a harmonious blend of upscale finishes and light bouncing off of water outside into serene spaces inside. The expansive walls of glass dissolve the boundary between indoors and out, opening to panoramic waterscapes in every direction and a rare large, flat fully fenced back yard. The gourmet kitchen centers around an impressive island with beautiful surfaces, custom cabinetry, luxury appliances and a generous butlers pantry designed to house all the necessary kitchen accoutrements. The main level also boasts a large bedroom with ensuite bathroom, an office and a stunning bespoke powder room,a bar complete with a second ice maker and cleverly customized wine storage. Upstairs, the primary suite is a peaceful retreat with impressive scale and features that include lake views, automated blinds and absolute privacy. Its spa-inspired flow embodies relaxing extravagance with a freestanding tub, heated floors, a steam and rain shower,dual sinks with illuminated mirrors and a custom walk-in closet tailored for curated wardrobes. On this level, you'll also find two additional bedrooms, two full bathrooms,an expansive and inviting bonus entertaining room with wet bar and a dedicated fitness area with breathtaking lake views. The third floor flexible space, currently a bedroom, showcases that this residence offers beautifully designed options for every need.Returning outside, a spacious deck cascades through custom low-maintenance, natural landscaping to your private 78 feet of waterfront. The boat house is equipped with a hydraulic lift sized for the maximum length boat allowed on the lake and there is an additional dock. It's your turn to live every day as though you're on vacation!

Home Facts

Single Family

5 Baths

5 Bedrooms

Built in 2023

Price Summary

5,995,000

$1,278 per Sq. Ft.

MLS #:

104151261

Last Updated:

March 2, 2026, 09:26 PM

Added:

2 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4

Interior

Living Area:

4,689 Sq. Ft.


Structure

Structure

Architectural Style:

NW Contemporary

Building Area:

4,689 Sq. Ft.

Year Built:

2023


Finances & Disclosures

Finances

Price:

$5,995,000

Price per Sq. Ft:

$1,278 per Sq. Ft.

MLS Logo
All information provided is deemed reliable but is not guaranteed and should be independently verified. The content relating to real estate for sale on this web site comes in part from the IDX program of the RMLS of Portland Oregon. Real estate listings held by brokerage firms other than Coldwell Banker Professional Group are marked with the RMLS logo and detailed information about these properties includes the names of the listing brokers. Copyright 2026 RMLS, Portland, Oregon. Last updated: March 2, 2026

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Contact an Agent

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If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.