Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$489,700$292 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $205,000 on Apr 29, 2015

449 MONAHAN RD

CASTLE ROCK, WA 98611
2
Beds
2
Baths
1,678 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
2 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$490K
$474K low$505K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$205,000 · Apr 29, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,770 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$456,820 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$385,010
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$449,780
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$456,820

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCowlitz
Lot (acres)The size of the land the home sits on, from county records.2.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 264 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Castle Rock High SchoolC-
High · Grades 9–12 · 3.5 mi
M
Castle Rock Middle SchoolD-
Middle · Grades 6–8 · 3.9 mi
E
Castle Rock Elementary SchoolD+
Elementary · Grades PK–5 · 4.0 mi

District: Castle Rock School District

Neighborhood · ZIP 98611These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.172

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.10,313
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,543
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.61 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.35%

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

449 Monahan Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 70% of homes in Cowlitz County
  • Has a bigger lot than 68% of homes in Cowlitz County
  • Older than 76% of homes in Castle Rock 98611

What homes are worth in Castle Rock 98611

Each bar is how many homes fall in that price range. The marker is this home.

This home
$236K$936K

This home is worth more than 54% of homes in Castle Rock 98611.

How it measures up in Castle Rock 98611

The dot is this home. The mark in the middle is the typical home in Castle Rock 98611.

Estimated value$489,700
CheaperTypical $470,740Pricier

Pricier than 54% of homes nearby

Price per ft²$292
CheaperTypical $291Pricier

Pricier than 51% of homes nearby

Living area1,678 ft²
SmallerTypical 1,593 ft²Bigger

Bigger than 55% of homes nearby

Lot size2 ac
SmallerTypical 2.44 acBigger

Bigger than 43% of homes nearby

Year built1961
OlderTypical 1980Newer

Newer than 24% of homes nearby

How 449 Monahan Rd ranks against every home in each area.
MeasureThis homeCastle Rock 98611Cowlitz County
Estimated valuepricier than$489,70054% of homes70% of homes
Price per ft²pricier than$29251% of homes62% of homes
Living areabigger than1,678 ft²55% of homes60% of homes
Lot sizebigger than2 ac43% of homes68% of homes
Year builtnewer than196124% of homes34% of homes

About 449 Monahan Rd

How much is 449 Monahan Rd, Castle Rock, WA worth?

The TopHap Estimate for 449 Monahan Rd, Castle Rock, WA is $489,700 as of Oct 21, 2026. The likely range is $473,939 to $505,461. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 449 Monahan Rd, Castle Rock, WA last sell?

449 Monahan Rd, Castle Rock, WA last sold on Apr 29, 2015 for $205,000, according to the county's recorded deed.

How big is 449 Monahan Rd, Castle Rock, WA?

449 Monahan Rd, Castle Rock, WA has 2 bedrooms, 2 bathrooms, 1,678 square feet of living space and a 2.00-acre lot.

When was 449 Monahan Rd, Castle Rock, WA built?

449 Monahan Rd, Castle Rock, WA was built in 1961, making it 65 years old. The building has 1 story.

What schools serve 449 Monahan Rd, Castle Rock, WA?

449 Monahan Rd, Castle Rock, WA is assigned to Castle Rock High School (high), rated C-; Castle Rock Middle School (middle), rated D-; Castle Rock Elementary School (elementary), rated D+. All sit in Castle Rock School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 449 Monahan Rd, Castle Rock, WA compare to other homes in Castle Rock 98611?

Among the 4,409 homes in Castle Rock 98611, it is worth more than 54% of them ($489,700 against a typical $470,740), its price per square foot is higher than 51% of them ($292 against a typical $291), it is bigger than 55% of them (1,678 ft² against a typical 1,593 ft²), its lot is bigger than 43% of them (2 ac against a typical 2.44 ac) and it is newer than 24% of them (1961 against a typical 1980). Measured against all of Cowlitz County, it is worth more than 70% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 449 Monahan Rd, Castle Rock, WA?

The 2025 property tax bill for 449 Monahan Rd, Castle Rock, WA was $3,770. The county assessed it at $456,820.

More homes on Monahan Rd

Closest homes

More homes in Castle Rock 98611

Assigned schools

Explore the area

See this home in context

Open 449 Monahan Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map