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Single Family ResidenceResidential
$458,437$148 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

17551 ENDICOTT RD

DIAMOND, WA 99111
4
Beds
3
Baths
3,104 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.
323 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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

$458K
$432K low$485K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,586 (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.$329,607 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$193,727
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$135,880
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$362,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$648,412

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.49
63
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
60
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
47
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
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.109 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Conventional
CountyWHITMAN
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Endicott Elementary and ESJ Middle SchoolB-
Elementary · Grades PK–8 · 3.7 mi
H
St. John / Endicott High School
High · Grades 9–12 · 11.4 mi

District: St. John School District

Neighborhood · ZIP 99111These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.4,849
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,333
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,187
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

17551 Endicott 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 89% of homes in Colfax 99111
  • Costs less per square foot than 70% of homes in Whitman County
  • Bigger than 87% of homes in Whitman County
  • Among the largest lots in Colfax 99111
  • Newer than 70% of homes in Colfax 99111

What homes are worth in Colfax 99111

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

This home
$120K$624K

This home is worth more than 89% of homes in Colfax 99111.

How it measures up in Colfax 99111

The dot is this home. The mark in the middle is the typical home in Colfax 99111.

Estimated value$458,437
CheaperTypical $286,664Pricier

Pricier than 89% of homes nearby

Price per ft²$148
CheaperTypical $155Pricier

Pricier than 45% of homes nearby

Living area3,104 ft²
SmallerTypical 1,908 ft²Bigger

Bigger than 85% of homes nearby

Lot size323 ac
SmallerTypical 0.21 acBigger

Bigger than almost all homes nearby

Year built1967
OlderTypical 1941Newer

Newer than 70% of homes nearby

How 17551 Endicott Rd ranks against every home in each area.
MeasureThis homeColfax 99111Whitman County
Estimated valuepricier than$458,43789% of homes84% of homes
Price per ft²pricier than$14845% of homes30% of homes
Living areabigger than3,104 ft²85% of homes87% of homes
Lot sizebigger than323 acalmost all homesalmost all homes
Year builtnewer than196770% of homes52% of homes

About 17551 Endicott Rd

How much is 17551 Endicott Rd, Diamond, WA worth?

The TopHap Estimate for 17551 Endicott Rd, Diamond, WA is $458,437 as of Sep 24, 2026. The likely range is $431,959 to $484,915. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17551 Endicott Rd, Diamond, WA last sell?

17551 Endicott Rd, Diamond, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17551 Endicott Rd, Diamond, WA?

17551 Endicott Rd, Diamond, WA has 4 bedrooms, 3 bathrooms and 3,104 square feet of living space.

When was 17551 Endicott Rd, Diamond, WA built?

17551 Endicott Rd, Diamond, WA was built in 1967, making it 59 years old. It is a conventional home. The building has 1 story.

What schools serve 17551 Endicott Rd, Diamond, WA?

17551 Endicott Rd, Diamond, WA is assigned to Endicott Elementary and ESJ Middle School (elementary), rated B-; St. John / Endicott High School (high). All sit in St. John School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17551 Endicott Rd, Diamond, WA compare to other homes in Colfax 99111?

Among the 1,803 homes in Colfax 99111, it is worth more than 89% of them ($458,437 against a typical $286,664), its price per square foot is higher than 45% of them ($148 against a typical $155), it is bigger than 85% of them (3,104 ft² against a typical 1,908 ft²), its lot is bigger than almost all of them (323 ac against a typical 0.21 ac) and it is newer than 70% of them (1967 against a typical 1941). Measured against all of Whitman County, it is worth more than 84% 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 17551 Endicott Rd, Diamond, WA?

The 2026 property tax bill for 17551 Endicott Rd, Diamond, WA was $3,586. The county assessed it at $329,607.

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