Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$439,693$555 / 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 Sep 24, 2026

128 S KNOX ST

STAR, ID 83669
3
Beds
1
Baths
792 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$440K
$410K low$469K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,072 (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.$431,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$426,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 percent flood zone

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
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.1951
Lot (acres)The size of the land the home sits on, from county records.0.48
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.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.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Star Elementary SchoolA-
Elementary · Grades PK–5 · 0.6 mi
H
Eagle High SchoolA
High · Grades 9–12 · 4.4 mi
M
Eagle Middle SchoolA+
Middle · Grades 6–8 · 6.3 mi

District: West Ada School District

Neighborhood · ZIP 83669These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.14,487
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.688 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,149
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,030
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%

Owner Tools

Do you own this home?
Claim this home

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

128 S Knox 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 87% of homes in Star 83669
  • Among the highest price per square foot in Star 83669
  • Among the smallest homes in Star 83669
  • Has a bigger lot than 91% of homes in Ada County
  • Among the oldest homes in Star 83669

What homes are worth in Star 83669

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

This home
$365K$1.6M

This home is worth more than 13% of homes in Star 83669.

How it measures up in Star 83669

The dot is this home. The mark in the middle is the typical home in Star 83669.

Estimated value$439,693
CheaperTypical $598,739Pricier

Pricier than 13% of homes nearby

Price per ft²$555
CheaperTypical $279Pricier

Pricier than almost all homes nearby

Living area792 ft²
SmallerTypical 2,275 ft²Bigger

Smaller than almost all homes nearby

Lot size0.48 ac
SmallerTypical 0.2 acBigger

Bigger than 87% of homes nearby

Year built1915
OlderTypical 2019Newer

Older than almost all homes nearby

How 128 S Knox St ranks against every home in each area.
MeasureThis homeStar 83669Ada County
Estimated valuepricier than$439,69313% of homes26% of homes
Price per ft²pricier than$555almost all homes98% of homes
Living areabigger than792 ft²almost no homesalmost no homes
Lot sizebigger than0.48 ac87% of homes91% of homes
Year builtnewer than1915almost no homes2% of homes

About 128 S Knox St

How much is 128 S Knox St, Star, ID worth?

The TopHap Estimate for 128 S Knox St, Star, ID is $439,693 as of Sep 24, 2026. The likely range is $410,104 to $469,281. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 128 S Knox St, Star, ID last sell?

128 S Knox St, Star, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 128 S Knox St, Star, ID?

128 S Knox St, Star, ID has 3 bedrooms, 1 bathrooms, 792 square feet of living space and a 0.48-acre lot.

When was 128 S Knox St, Star, ID built?

128 S Knox St, Star, ID was built in 1915, making it 111 years old. The building has 1 story.

What schools serve 128 S Knox St, Star, ID?

128 S Knox St, Star, ID is assigned to Star Elementary School (elementary), rated A-; Eagle High School (high), rated A; Eagle Middle School (middle), rated A+. All sit in West Ada School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 128 S Knox St, Star, ID compare to other homes in Star 83669?

Among the 9,379 homes in Star 83669, it is worth more than 13% of them ($439,693 against a typical $598,739), its price per square foot is higher than almost all of them ($555 against a typical $279), it is bigger than almost none of them (792 ft² against a typical 2,275 ft²), its lot is bigger than 87% of them (0.48 ac against a typical 0.2 ac) and it is newer than almost none of them (1915 against a typical 2019). Measured against all of Ada County, it is worth more than 26% 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 128 S Knox St, Star, ID?

The 2025 property tax bill for 128 S Knox St, Star, ID was $1,072. The county assessed it at $431,000.

More homes on S Knox St

Closest homes

More homes in Star 83669

Assigned schools

Explore the area

See this home in context

Open 128 S Knox St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map