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Single Family ResidenceResidential
$1,416,245$613 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

18400 NW 31ST AVE

RIDGEFIELD, WA 98642
3
Beds
2.8
Baths
2,309 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.
19 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.3M low$1.5M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,416,245
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,132,996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,643 (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.$1,255,360 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$799,932
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$455,428
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,109,676
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,255,360

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.13
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
30
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
2
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCLARK
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 588 ft²Porch · 528 ft²

Transaction History(3)

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.

E
South Ridge Elementary SchoolA-
Elementary · Grades KG–4 · 1.6 mi
M
View Ridge Middle SchoolB
Middle · Grades 7–8 · 2.4 mi
H
Ridgefield High SchoolB+
High · Grades 9–12 · 2.9 mi

District: Ridgefield School District

Neighborhood · ZIP 98642These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.180

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.25,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,817
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,934
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.35%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

18400 Nw 31st Ave 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 98% of homes in Clark County
  • Among the highest price per square foot in Clark County
  • Bigger than 75% of homes in Clark County
  • Among the largest lots in Ridgefield 98642
  • Older than 90% of homes in Ridgefield 98642

What homes are worth in Ridgefield 98642

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

This home
$389K$1.8M

This home is worth more than 95% of homes in Ridgefield 98642.

How it measures up in Ridgefield 98642

The dot is this home. The mark in the middle is the typical home in Ridgefield 98642.

Estimated value$1,416,245
CheaperTypical $670,598Pricier

Pricier than 95% of homes nearby

Price per ft²$613
CheaperTypical $307Pricier

Pricier than 97% of homes nearby

Living area2,309 ft²
SmallerTypical 2,114 ft²Bigger

Bigger than 59% of homes nearby

Lot size19 ac
SmallerTypical 0.19 acBigger

Bigger than almost all homes nearby

Year built1971
OlderTypical 2012Newer

Newer than 10% of homes nearby

How 18400 Nw 31st Ave ranks against every home in each area.
MeasureThis homeRidgefield 98642Clark County
Estimated valuepricier than$1,416,24595% of homes98% of homes
Price per ft²pricier than$61397% of homesalmost all homes
Living areabigger than2,309 ft²59% of homes75% of homes
Lot sizebigger than19 acalmost all homesalmost all homes
Year builtnewer than197110% of homes19% of homes

About 18400 Nw 31st Ave

How much is 18400 Nw 31st Ave, Ridgefield, WA worth?

The TopHap Estimate for 18400 Nw 31st Ave, Ridgefield, WA is $1,416,245 as of Jul 14, 2026. The likely range is $1,288,809 to $1,543,681. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18400 Nw 31st Ave, Ridgefield, WA last sell?

18400 Nw 31st Ave, Ridgefield, WA last sold on Jan 31, 2002, according to the county's recorded deed.

How big is 18400 Nw 31st Ave, Ridgefield, WA?

18400 Nw 31st Ave, Ridgefield, WA has 3 bedrooms, 2.8 bathrooms and 2,309 square feet of living space.

When was 18400 Nw 31st Ave, Ridgefield, WA built?

18400 Nw 31st Ave, Ridgefield, WA was built in 1971, making it 55 years old. It is a ranch home. The building has 1 story.

What schools serve 18400 Nw 31st Ave, Ridgefield, WA?

18400 Nw 31st Ave, Ridgefield, WA is assigned to South Ridge Elementary School (elementary), rated A-; View Ridge Middle School (middle), rated B; Ridgefield High School (high), rated B+. All sit in Ridgefield School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18400 Nw 31st Ave, Ridgefield, WA compare to other homes in Ridgefield 98642?

Among the 11,365 homes in Ridgefield 98642, it is worth more than 95% of them ($1,416,245 against a typical $670,598), its price per square foot is higher than 97% of them ($613 against a typical $307), it is bigger than 59% of them (2,309 ft² against a typical 2,114 ft²), its lot is bigger than almost all of them (19 ac against a typical 0.19 ac) and it is newer than 10% of them (1971 against a typical 2012). Measured against all of Clark County, it is worth more than 98% 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 18400 Nw 31st Ave, Ridgefield, WA?

The 2025 property tax bill for 18400 Nw 31st Ave, Ridgefield, WA was $4,643. The county assessed it at $1,255,360.

Closest homes

More homes in Ridgefield 98642

Assigned schools

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