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Single Family ResidenceResidential
$905,609$366 / 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 92How 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
Last sold for $1,256,850 on Feb 21, 2025

9851 W HARNESS DR

BOISE, ID 83709
3
Beds
2.5
Baths
2,472 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.
2.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
13
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$906K
$830K low$981K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,256,850 · Feb 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,915 (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.$1,385,500 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,514,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,385,500

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
CountyADA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2024
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Patio · 440 ft²Porch · 60 ft²

Transaction History(7)

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 Hazel Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
E
Desert Sage Elementary SchoolD+
Elementary · Grades PK–5 · 1.4 mi
H
Mountain View High SchoolA
High · Grades 9–12 · 3.7 mi

District: West Ada School District

Neighborhood · ZIP 83709These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.65,821
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,867 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,688
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,427
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

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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

9851 W Harness Dr 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 Southwest Ada
  • Costs more per square foot than 95% of homes in Boise 83709
  • Bigger than 81% of homes in Boise 83709
  • Among the largest lots in Southwest Ada
  • Older than 68% of homes in Southwest Ada

What homes are worth in Boise 83709

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

This home
$330K$900K

This home is worth more than 98% of homes in Boise 83709.

How it measures up in Boise 83709

The dot is this home. The mark in the middle is the typical home in Boise 83709.

Estimated value$905,609
CheaperTypical $497,655Pricier

Pricier than 98% of homes nearby

Price per ft²$366
CheaperTypical $281Pricier

Pricier than 95% of homes nearby

Living area2,472 ft²
SmallerTypical 1,824 ft²Bigger

Bigger than 81% of homes nearby

Lot size2.51 ac
SmallerTypical 0.21 acBigger

Bigger than almost all homes nearby

Year built1997
OlderTypical 2000Newer

Newer than 45% of homes nearby

How 9851 W Harness Dr ranks against every home in each area.
MeasureThis homeSouthwest AdaBoise 83709Ada County
Estimated valuepricier than$905,60998% of homes98% of homes87% of homes
Price per ft²pricier than$36694% of homes95% of homes82% of homes
Living areabigger than2,472 ft²79% of homes81% of homes72% of homes
Lot sizebigger than2.51 acalmost all homesalmost all homes98% of homes
Year builtnewer than199732% of homes45% of homes43% of homes

About 9851 W Harness Dr

How much is 9851 W Harness Dr, Boise, ID worth?

The TopHap Estimate for 9851 W Harness Dr, Boise, ID is $905,609 as of Sep 24, 2026. The likely range is $830,246 to $980,972. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9851 W Harness Dr, Boise, ID last sell?

9851 W Harness Dr, Boise, ID last sold on Feb 21, 2025 for $1,256,850, according to the county's recorded deed.

How big is 9851 W Harness Dr, Boise, ID?

9851 W Harness Dr, Boise, ID has 3 bedrooms, 2.5 bathrooms and 2,472 square feet of living space.

When was 9851 W Harness Dr, Boise, ID built?

9851 W Harness Dr, Boise, ID was built in 1997, making it 29 years old. It is a conventional home. The building has 1 story.

What schools serve 9851 W Harness Dr, Boise, ID?

9851 W Harness Dr, Boise, ID is assigned to Lake Hazel Middle School (middle), rated A-; Desert Sage Elementary School (elementary), rated D+; Mountain View High School (high), rated A. All sit in West Ada School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9851 W Harness Dr, Boise, ID compare to other homes in Boise 83709?

Among the 22,165 homes in Boise 83709, it is worth more than 98% of them ($905,609 against a typical $497,655), its price per square foot is higher than 95% of them ($366 against a typical $281), it is bigger than 81% of them (2,472 ft² against a typical 1,824 ft²), its lot is bigger than almost all of them (2.51 ac against a typical 0.21 ac) and it is newer than 45% of them (1997 against a typical 2000). Measured against all of Ada County, it is worth more than 87% 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 9851 W Harness Dr, Boise, ID?

The 2025 property tax bill for 9851 W Harness Dr, Boise, ID was $4,915. The county assessed it at $1,385,500.

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