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Single Family ResidenceResidential
$320,765$142 / 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 93How 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

1141 TILMUS ST

COULEE DAM, WA 99116
4
Beds
2
Baths
2,260 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$321K
$297K low$344K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,703 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$232,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$207,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$223,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$232,700

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.18
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
83
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
6
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyOKANOGAN
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Garage, Attached
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.DeckPatio · 600 ft²Porch · 334 ft²

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

M
Lake Roosevelt Jr/Sr High SchoolD-
Middle · Grades 7–12 · 0.5 mi
E
Lake Roosevelt Elementary SchoolF
Elementary · Grades PK–6 · 0.5 mi

District: Grand Coulee Dam School District

Neighborhood · ZIP 99116These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.1,628
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,179
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,686
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

1141 Tilmus St 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 81% of homes in Coulee Dam 99116
  • Costs less per square foot than 84% of homes in Okanogan County
  • Bigger than 87% of homes in Coulee Dam 99116
  • Has a bigger lot than 74% of homes in Coulee Dam 99116
  • Older than 86% of homes in Okanogan County

What homes are worth in Coulee Dam 99116

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

This home
$80K$462K

This home is worth more than 81% of homes in Coulee Dam 99116.

How it measures up in Coulee Dam 99116

The dot is this home. The mark in the middle is the typical home in Coulee Dam 99116.

Estimated value$320,765
CheaperTypical $238,707Pricier

Pricier than 81% of homes nearby

Price per ft²$142
CheaperTypical $170Pricier

Pricier than 19% of homes nearby

Living area2,260 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.3 ac
SmallerTypical 0.2 acBigger

Bigger than 74% of homes nearby

Year built1940
OlderTypical 1940Newer

Newer than 58% of homes nearby

How 1141 Tilmus St ranks against every home in each area.
MeasureThis homeCoulee Dam 99116Okanogan County
Estimated valuepricier than$320,76581% of homes52% of homes
Price per ft²pricier than$14219% of homes16% of homes
Living areabigger than2,260 ft²87% of homes87% of homes
Lot sizebigger than0.3 ac74% of homes30% of homes
Year builtnewer than194058% of homes14% of homes

About 1141 Tilmus St

How much is 1141 Tilmus St, Coulee Dam, WA worth?

The TopHap Estimate for 1141 Tilmus St, Coulee Dam, WA is $320,765 as of Oct 21, 2026. The likely range is $297,134 to $344,396. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1141 Tilmus St, Coulee Dam, WA last sell?

1141 Tilmus St, Coulee Dam, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1141 Tilmus St, Coulee Dam, WA?

1141 Tilmus St, Coulee Dam, WA has 4 bedrooms, 2 bathrooms, 2,260 square feet of living space and a 0.30-acre lot.

When was 1141 Tilmus St, Coulee Dam, WA built?

1141 Tilmus St, Coulee Dam, WA was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 1141 Tilmus St, Coulee Dam, WA?

1141 Tilmus St, Coulee Dam, WA is assigned to Lake Roosevelt Jr/Sr High School (middle), rated D-; Lake Roosevelt Elementary School (elementary), rated F. All sit in Grand Coulee Dam School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1141 Tilmus St, Coulee Dam, WA compare to other homes in Coulee Dam 99116?

Among the 591 homes in Coulee Dam 99116, it is worth more than 81% of them ($320,765 against a typical $238,707), its price per square foot is higher than 19% of them ($142 against a typical $170), it is bigger than 87% of them (2,260 ft² against a typical 1,296 ft²), its lot is bigger than 74% of them (0.3 ac against a typical 0.2 ac) and it is newer than 58% of them (1940 against a typical 1940). Measured against all of Okanogan County, it is worth more than 52% 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 1141 Tilmus St, Coulee Dam, WA?

The 2026 property tax bill for 1141 Tilmus St, Coulee Dam, WA was $1,703. The county assessed it at $232,700.

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