504 Agren Rd is a 2,556 square foot house on a 5.21 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on May 25, 1994 for $34,900. Based on Redfin's Castle Rock data, we estimate the home's value is $596,019.
Single-familyProperty Type
1994Year Built
5.21 acresLot Size
$233Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$596,019
$561K since sold in May 1994$0 since September
Recently sold homes
Estimate history
This home's estimate is 3.1% lower than the average sale price ($615K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 11, 2025 • Final
Mechanical
Replace the existing heat pump system with a new heat pump system.
Heat pump
HVAC
Nov 21, 2023 • Final
Fire code
Install a whole house generator. Include gas piping from the existing liquid propane system to the new generator.
Gas
Generator
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: 2
Heating & Cooling
Heating Type: Heat Pump
Exterior
Exterior Information
Physical Condition: Average
Building Construction Quality: Average
Exterior Wall: Siding Sheathing
Roof Shape Type: Metal
View Information
View: River
Property Information
Living Sq. Ft: 2,556
Ground Floor Sq. Ft: 2,556
Building Sq. Ft: 3,156
# of Stories: 1
Stories Type: 1
Legal Description: 5 -10N -2W T-14G.
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 600
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 226,948
Municipality Type: AA6
Municipality Name: COWLITZ COUNTY
Acres: 5.21
Zoning Code: UZ0
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,556
Stories: 1.0
Lot Size: 5.21 acres
Style: Single Family Residential
Year Built: 1994
Year Renovated: —
County: Cowlitz County
APN: WK0514008
Home facts updated by county records on Sep 21, 2026
Around this home
Schools
Castle Rock Elementary School
Public PreK-5 • Assigned • 7.9mi
3/10
Castle Rock Middle School
Public 6-8 • Assigned • 7.8mi
4/10
Castle Rock High School
Public 9-12 • Assigned • 7.0mi
3/10
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 90° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
7 unhealthy days expected this year, 8 days in 30 years
Provided by First Street
Historical weather
Castle Rock, WA • 98611
Average low and high temperatures (°F)
44
33
46
34
53
38
62
39
67
45
74
49
79
52
78
56
73
51
59
43
49
40
46
38
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.9 hours in
June and 1.9 hours in December, placing it below the
U.S. average for solar exposure.
8.9 hrs
1.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$567,000 – $686,000
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