This home's estimate is 16.5% higher than the average sale price ($1.13M) of 6 comparable homes.
Search- Overview
- Sale & tax history
- Property details
- Neighborhood
- Climate
12840 SW Alto Park Rd, Lake Oswego, OR 97034
About this home
This property is divideable into four or more lots. including existing house, property to the North is listed, see listing # total lots for both properties 7, property is being annexed into City of LO, contact listing agent for plat and preliminary cost estimates,

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Market trends in 97034, OR
Last updated September 2026
Buyer's Market
Seller's Market
Seller's market
0 days MoM
- OPEN SUN, 1PM TO 3PM$999,9003 beds3 baths2,752 sq ft1322 Glenmorrie Dr, Lake Oswego, OR 97034Susan Stohl • Eleete Real Estate
- OPEN SUN, 2PM TO 4PM$599,0003 beds3 baths1,739 sq ft1839 Boca Ratan Dr, Lake Oswego, OR 97034Ruthann Hewgley • Realty Pro Oregon LLC.
- $1,195,9004 beds3 baths3,177 sq ft17317 Brookhurst Dr, Lake Oswego, OR 97034Jason Trout • Trout Realty, Inc.
- OPEN SUN, 1:30PM TO 3PM$544,9002 beds1 bath1,135 sq ft1328 Oak St, Lake Oswego, OR 97034Christine Johnson • Century 21 North Homes Realty
- 3D & VIDEO TOUR$1,499,9004 beds4 baths3,871 sq ft18132 Westview Dr, Lake Oswego, OR 97034Kimberly Gellatly • Berkshire Hathaway HomeServices NW Real Estate
- 3D WALKTHROUGH$6,725,0006 beds6 baths6,398 sq ft15530 Diamond Head Rd, Lake Oswego, OR 97034Marisa Swenson • Modern Homes Collective
- 3D WALKTHROUGH$2,095,0004 beds4 baths3,148 sq ft210 Northshore Rd, Lake Oswego, OR 97034Amy Toyoshima • Toyoshima Realty
- VIDEO TOUR$5,195,0004 beds5 baths5,768 sq ft1933 Highlands Loop, Lake Oswego, OR 97034Justin Harnish • Harnish Company Realtors
See all
Provided by Redfin
Sale history for 12840 SW Alto Park Rd
$178/sq ft
$206/sq ft
$213/sq ft
As the MLS and public records start to fill up, we'll list the details here.
Public record
- Public record
- Zoning
- Permits
R-10
Residential-Low Density Zone
To provide lands for single-family residential development with densities ranging from 2 to 5 dwelling units per gross acre, and to provide lands for middle housing development.Include but are not limited to:
- Housing-Group
- Housing-Single unit
- Housing-Multiple units
- Infrastructure
- Communications tower
- Housing-Mobile home park
Demolish an existing structure to prepare for a new single-family home.
Demolition
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
- Parking Information
- Parking Features: Driveway
- Parking Total: 2
- Garage Information
- Garage Type: Attached
- Garage Spaces: 2
- Has Attached Garage: Yes
Interior
- Appliances
- Appliances: Built-in Oven, Cooktop, Dishwasher
- Hot Water Description: Electricity
- Interior Features
- Has Accessibility: Yes
- Accessibility Features: One Level, Parking
- Interior Features: Garage Door Opener, High Speed Internet, Laundry, Wall to Wall Carpet, Wood Floors
- Fireplace YN: Yes
- Fireplaces Total: 1
- Fireplace Features: Wood Burning
- Basement: Full Basement, Unfinished
- Bathroom Information
- Bathrooms Full: 2
- Bathrooms Full Lower Level: 1
- Bathrooms Full Main Level: 1
- Bathrooms Partial: 1
- Bathrooms Partial Main Level: 1
- Bathrooms Total Integer: 3
- Bathrooms Total Lower Level: 1
- Bathrooms Total Main Level: 1.1
- Baths Total: 2.1
- Room 4 Information
- Description: Family Room
- Level: Lower
- Room 5 Information
- Description: Workshop
- Level: Lower
- Room 7 Information
- Description: 2nd Bedroom
- Level: Main
- Room 9 Information
- Description: Dining Room
- Level: Main
- Room 10 Information
- Description: Family Room
- Level: Main
- Room 11 Information
- Description: Kitchen
- Level: Main
- Room 12 Information
- Description: Living Room
- Level: Main
- Room 13 Information
- Description: Primary Bedroom
- Level: Main
- Room 14 Information
- Description: Great Room
Exterior
- Exterior Features
- Roof: Composition
- Exterior Features: Cross Fenced, Garden, Patio, Sprinkler, Yard
- Exterior Description: Wood Siding
- Lot Information
- Lot Size Square Feet: 41,382
- Lot Size Range: 20,000 SqFt to .99 Acres
- Lot Size Dimensions: 132x315
- Lot Size Acres: 0.95
- Lot Size: 20,000 SqFt to .99 Acres
- Lot Features: Level, Trees
- Parcel Number: 00201258
- Property Information
- Property Type: Residential
- Property Sub Type: Single Family Residence
- Property Attached YN: No
- Property Condition: Approximately
- Main Level Area Total: 1,816
- Lower Level Area Total: 1,816
- View YN: Yes
- View Description: Territorial
- Building Information
- Year Built: 1976
- Building Area Total: 3,632
- Building Area Description: County
- Building Area Calculated: 1,816
Financial
- Tax Information
- Tax Legal Description: 448 ALTO PK AC LT 14
- Tax Annual Amount: $5,030.84
Utilities
- Utility Information
- Green Certification YN: No
- Energy Efficiency Features: Heat Pump
- Fuel Description: Electricity
- Water Source: Public Water
- Sewer: Cesspool
- Heating & Cooling
- Heating YN: Yes
- Heating: Forced Air
- Cooling YN: Yes
- Cooling: Heat Pump
Location
- School Information
- Elementary School: UPLANDS
- Middle Or Junior School: Lake Oswego
- High School: Lake Oswego
- Location Information
- Directions: Knauss,East to Alto Park, North Alto Park to first driveway on left.
- Unparsed Address: 12840 SW ALTO PARK RD, Lake Oswego, OR 97034
- Community Information
- Senior Community YN: No
- Zoning: R-20
Public facts
- Beds: —
- Baths: —
- Sq. Ft.: —
- Stories: —
- Lot Size: —
- Style: Single Family Residential
- Year Built: —
- Year Renovated: —
- County: Clackamas County
- APN: —
Other
- Listing Information
- MlsStatus: Sold
- Listing Price Information
- Price Type: List Price
Around this home
Schools
Public K-5 • Assigned • 1.2mi
Public 6-8 • Assigned • 0.6mi
Public 9-12 • Assigned • 0.4mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 92° expected this year, 14 days in 30 years
Minimal risk of severe winds over next 30 years
14 unhealthy days expected this year, 15 days in 30 years
Sun exposure
In this area, properties receive around 9.6 hours in June and 2 hours in December, placing it below the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 97034
Home values near 12840 SW Alto Park Rd
| Address | Redfin Estimate |
|---|---|
5 Beds | 6 Baths | 4359 Sq. Ft. | $2,381,569 |
4 Beds | 3.5 Baths | 3666 Sq. Ft. | $1,111,407 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 5 Baths | 3426 Sq. Ft. | $2,026,815 |
4 Beds | 6 Baths | 3973 Sq. Ft. | $2,000,568 |
| Address | Redfin Estimate |
|---|---|
5 Beds | 4 Baths | 3846 Sq. Ft. | $1,593,390 |
4 Beds | 5 Baths | 4200 Sq. Ft. | $1,929,116 |
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