13731 Knaus Rd is a 4,618 square foot house on a 0.65 acre lot with 4 bedrooms and 3.5 bathrooms. - it last sold on September 16, 2004 for $805,000. Based on Redfin's Lake Oswego data, we estimate the home's value is $1,770,102.
Single-familyProperty Type
2004Year Built
0.65 acresLot Size
$383Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,770,102
$965K since sold in September 2004$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.7% lower than the average sale price ($2.03M) of 6 comparable homes.
Sara Lewis • Cascade Hasson Sotheby's International Realty
See all
Provided by Redfin
Sale history for 13731 Knaus Rd
Date
Event
Price
Public Records
Sep 16, 2004
Sold
$805,000
$174/sq ft
Public Records
Mar 14, 2003
Sold
$375,000
$81/sq ft
Public Records
Jul 26, 1999
Sold
$325,000
$70/sq ft
Public Records
Nov 25, 1991
Sold
$207,700
$45/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$23,062 (+2.7%)
2024
$22,447 (+3.0%)
2023
$21,788 (+3.1%)
2022
$21,141 (+11.1%)
2021
$19,035 (+3.2%)
2020
$18,440 (+0.7%)
2019
$18,304 (+4.7%)
2018
$17,474 (+3.4%)
2017
$16,905 (+10.1%)
2016
$15,354 (+5.9%)
2015
$14,501 (+1.7%)
2014
$14,264 (+6.0%)
2013
$13,461 (+2.6%)
2012
$13,121 (+2.1%)
2011
$12,847 (−1.5%)
2010
$13,048
2009
$13,048
Tax history for 13731 Knaus Rd
Year
Property tax
Land + Additions
Assessment*
2025
$23,062 (+2.7%)
2024
$22,447 (+3.0%)
2023
$21,788 (+3.1%)
2022
$21,141 (+11.1%)
2021
$19,035 (+3.2%)
2020
$18,440 (+0.7%)
2019
$18,304 (+4.7%)
2018
$17,474 (+3.4%)
2017
$16,905 (+10.1%)
2016
$15,354 (+5.9%)
2015
$14,501 (+1.7%)
2014
$14,264 (+6.0%)
2013
$13,461 (+2.6%)
2012
$13,121 (+2.1%)
2011
$12,847 (−1.5%)
2010
$13,048
2009
$13,048
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-15
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.
Permitted uses
Include but are not limited to:
Housing-Group
Housing-Single unit
Housing-Multiple units
Infrastructure
Communications tower
Housing-Mobile home park
Aug 12, 2003 • Final
Building - electrical
Electrical
Mar 11, 2003 • Active
Building/residential/new/na
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
Interior
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air Oil
Fireplace Information
Has Fireplace
Exterior
Exterior Information
Foundation Type: Concrete
Building Construction Quality: Above Average
Exterior Wall: Clapboard
Building Type: Single Family
Property Information
Living Sq. Ft: 4,618
# of Stories: 1
Legal Description: SECTION 04 TOWNSHIP 2S RANGE 1E QUARTER CA TAX LOT 00800
Lot Information
# of Buildings: 1
Land Sq. Ft: 28,314
Legal Lot Number: 800
School Tax District: SCH LK OWSEGO
Municipality Name: LAKE OSWEGO
Acres: 0.65
Zoning Code: R-7.5
County Use Description: RESIDENTIAL PROPERTY IMPROVED
Financial
Assessor Information
Assessment Year: 2025
Tax Area: LAKE OSWEGO
Public facts
Beds: 4
Baths: 3.5
Sq. Ft.: 4,618
Stories: 1.0
Lot Size: 0.65 acres
Style: Single Family Residential
Year Built: 2004
Year Renovated: —
County: Clackamas County
APN: 00202391
Home facts updated by county records on Jun 18, 2026
Around this home
Schools
Forest Hills Elementary School
Public K-5 • Assigned • 0.8mi
9/10
Lake Oswego Junior High School
Public 6-8 • Assigned • 0.5mi
8/10
Lake Oswego Senior High School
Public 9-12 • Assigned • 0.6mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 92° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Lake Oswego, OR • 97034
Average low and high temperatures (°F)
47
36
49
38
56
43
65
45
71
50
77
54
84
59
84
62
76
57
62
48
52
43
50
41
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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.
9.6 hrs
2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.68M – $2.04M
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