4431 WESTBAY RD Lake Oswego, OR $ 3,380,000
4431 WESTBAY RD
$ 3,380,000
Share Save

4431 WESTBAY RD

Lake Oswego, OR, 97035
$ 3,380,000
Bedrooms4 Baths3.0 Sq 3,102

Monthly Estimate*

$ 21,342

4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 1
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 2
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 3
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 4
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 5
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 6
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 7
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 8
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 9
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 10
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 11
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 12
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 13
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 14
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 15
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 16
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 17
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 18
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 19
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 20
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 21
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 22
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 23
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 24
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 25
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 26
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 27
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 28
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 29
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 30
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 31
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 32
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 33
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 34
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 35
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 36
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 37
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 38
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 39
4431 WESTBAY RD, Lake Oswego, OR 97035 - Image 40

Single Family Home for sale in Lake Oswego, OR

for $3,380,000 with 4 bedrooms and 3 full baths. This 3,102 square foot home was built in 1948 on a lot size of 0.21.

Lakefront Luxury on West Bay Road. Experience lake living at its finest in this beautifully updated 4-bedroom, 3-bathroom waterfront home on one of Lake Oswego’s most coveted streets. Perfectly positioned on a large, level lot with a private boat house and newly built sea wall, this West Bay gem offers the ultimate in comfort, style, and function.No detail was overlooked in the extensive renovation. The home features all-new windows, roof, exterior paint, landscaping, concrete patios and walkways. Inside, you’ll find all-new flooring, cabinetry, countertops, tile, fixtures, and designer lighting throughout. The gourmet kitchen features Thermador appliances, double ovens, a walk-in pantry with a built-in coffee maker and ice maker, and two beverage fridges — ideal for both everyday living and effortless entertaining.Walls of windows and thoughtful design ensure lake views from nearly every room. The open-concept great room and kitchen flow seamlessly out to the expansive backyard, where flat lawn space and patios create the perfect backdrop for gatherings large or small. The primary suite offers spa-level luxury with heated tile floors and a steam shower, while ample parking makes hosting a breeze.4431 West Bay Road delivers everything you need to enjoy the lake lifestyle — move-in ready with luxury finishes, rare flat waterfront, and the ideal location. This is the Lake Oswego opportunity you’ve been waiting for. Seller is licensed Oregon realtor.

See more

Single Family Active

Price

$ 3,380,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 17,873

Style

Stories2,Contemporary

Lot Size

0.21

Year Built

1948

Town/City

Lake Oswego

County/Region

Clackamas

MLS | Web ID

200107238

Features
General
Sewer PublicSewer
Heating ForcedAir
Cooling CentralAir
Roof Composition
Appliances BuiltinOven BuiltinRange BuiltinRefrigerator ConvectionOven Cooktop Dishwasher Disposal DoubleOven ENERGYSTARQualifiedAppliances InductionCooktop Island Microwave Pantry PlumbedForIceMaker Quartz Ran
Garage Spaces 1.0
Architectural Style Stories2 Contemporary
Year Built 1948
Stories Count 2
Property Subtype SingleFamilyResidence
Tax Year 2024
Parcel Number 00322760
Waterfront Features Lake
County Clackamas
Property Type Residential
HOA N
Full Baths 3
Status Active
Directions Bryant to West Bay
High School Lakeridge
City LakeOswego
Body of Water lake Oswego
Disclosures Disclosure
MLS Area _147
Lot Size Square Feet 9147.0
Listing Terms Cash Conventional
Elementary School Westridge
Tax Annual Amount 17873.13
Middle/Junior High School Lakeridge
Property Condition UpdatedRemodeled
Standard Status Active
Accessory Dwelling Unit Y/N N
Legal Description SECTION 17 TOWNSHIP 2S RANGE 1E QUARTER BB TAX LOT 01400
ADU False
See more
Interior
Basement None
Total Fireplaces 2
Fireplace Features Gas
Hot Water Gas Tank
Window Features VinylFrames
Total Bathrooms 3.0
Total Bedrooms 4
Total Baths 3
1/2 Baths 0
See more
Exterior
Exterior Amenities BoatHouse Deck Dock Patio Sprinkler
Parking Features Driveway OnStreet
Lot Features Level
Water Source PublicWater
Total Parking 1.0
Garage Type Attached
Exterior Description Cedar
Foundation Details ConcretePerimeter Slab
Building Area Total 3102.0
Lot Size Acres 0.21
Road Surface Type Paved
See more
Internal Only
Street Number 1 4431
See more
* Excluded Features
List By
Cascade Hasson Sotheby's International Realty

Broker

darren.humbert@sothebysrealty.com

Email

Affordability Calculator

$22,831
Per Month
93%
7%
0%
Monthly Principal & Interest
$21,342
Monthly Property Taxes
$1,489
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% 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.
Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
1950193 Elementary School
1950162 Middle School
Lakeridge High School High School
Pricing History
DatePricePrice ChangeDescription
7/22/2026$3,380,000 Listed Price

Map


See all

4431 WESTBAY RD, Lake Oswego, OR, 97035 is a Single Family Home for sale at $3,380,000 with 3,102 sqft and a lot size of 0.21. 4431 WESTBAY RD has 4 bedrooms, 3.0 baths, and was built in 1948. The property's zip code is 97035 which is in Lake Oswego, OR