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Single Family ResidenceResidential
$121,266$160 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

603 HOLLY ST

COULEE DAM, WA 99116
3
Beds
1
Baths
759 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
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

$121K
$107K low$136K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$747 (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.$100,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$85,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$96,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$100,500

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.16
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
75
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.0.12
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 40 ft²Porch · 54 ft²

Transaction History(1)

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.

M
Lake Roosevelt Jr/Sr High SchoolD
Middle · Grades 7–12 · 0.4 mi
E
Lake Roosevelt Elementary SchoolD+
Elementary · Grades PK–6 · 0.4 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

603 Holly 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 less than 91% of homes in Coulee Dam 99116
  • Costs less per square foot than 75% of homes in Okanogan County
  • Smaller than 91% of homes in Coulee Dam 99116
  • Has a smaller lot than 94% of homes in Okanogan County
  • Older than 89% 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
$81K$447K

This home is worth more than 9% 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$121,266
CheaperTypical $235,105Pricier

Pricier than 9% of homes nearby

Price per ft²$160
CheaperTypical $171Pricier

Pricier than 37% of homes nearby

Living area759 ft²
SmallerTypical 1,286 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.12 ac
SmallerTypical 0.2 acBigger

Bigger than 8% of homes nearby

Year built1935
OlderTypical 1940Newer

Newer than 43% of homes nearby

How 603 Holly St ranks against every home in each area.
MeasureThis homeCoulee Dam 99116Okanogan County
Estimated valuepricier than$121,2669% of homes10% of homes
Price per ft²pricier than$16037% of homes25% of homes
Living areabigger than759 ft²9% of homes15% of homes
Lot sizebigger than0.12 ac8% of homes6% of homes
Year builtnewer than193543% of homes11% of homes

About 603 Holly St

How much is 603 Holly St, Coulee Dam, WA worth?

The TopHap Estimate for 603 Holly St, Coulee Dam, WA is $121,266 as of Aug 30, 2026. The likely range is $106,788 to $135,744. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 603 Holly St, Coulee Dam, WA last sell?

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

How big is 603 Holly St, Coulee Dam, WA?

603 Holly St, Coulee Dam, WA has 3 bedrooms, 1 bathrooms, 759 square feet of living space and a 0.12-acre lot.

When was 603 Holly St, Coulee Dam, WA built?

603 Holly St, Coulee Dam, WA was built in 1935, making it 91 years old. The building has 1 story.

What schools serve 603 Holly St, Coulee Dam, WA?

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

How does 603 Holly St, Coulee Dam, WA compare to other homes in Coulee Dam 99116?

Among the 597 homes in Coulee Dam 99116, it is worth more than 9% of them ($121,266 against a typical $235,105), its price per square foot is higher than 37% of them ($160 against a typical $171), it is bigger than 9% of them (759 ft² against a typical 1,286 ft²), its lot is bigger than 8% of them (0.12 ac against a typical 0.2 ac) and it is newer than 43% of them (1935 against a typical 1940). Measured against all of Okanogan County, it is worth more than 10% 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 603 Holly St, Coulee Dam, WA?

The 2026 property tax bill for 603 Holly St, Coulee Dam, WA was $747. The county assessed it at $100,500.

More homes on Holly St

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