Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$380,063$197 / 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 95How 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

121 N KNOX ST

STAR, ID 83669
3
Beds
2.5
Baths
1,926 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$380K
$362K low$398K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$967 (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.$455,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$401,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$455,200

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.Bi-Level
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.1997
Lot (acres)The size of the land the home sits on, from county records.0.21
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
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.Deck · 140 ft²Patio · 450 ft²

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 · 0.4 mi
H
Eagle High SchoolA
High · Grades 9–12 · 4.5 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

121 N 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 96% of homes in Star 83669
  • Costs less per square foot than 97% of homes in Star 83669
  • Smaller than 71% of homes in Star 83669
  • Older than 98% of 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
$358K$1.5M

This home is worth more than 4% 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$380,063
CheaperTypical $597,460Pricier

Pricier than 4% of homes nearby

Price per ft²$197
CheaperTypical $280Pricier

Pricier than 3% of homes nearby

Living area1,926 ft²
SmallerTypical 2,274 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.21 ac
SmallerTypical 0.2 acBigger

Bigger than 54% of homes nearby

Year built1949
OlderTypical 2019Newer

Newer than 2% of homes nearby

How 121 N Knox St ranks against every home in each area.
MeasureThis homeStar 83669Ada County
Estimated valuepricier than$380,0634% of homes9% of homes
Price per ft²pricier than$1973% of homes3% of homes
Living areabigger than1,926 ft²29% of homes49% of homes
Lot sizebigger than0.21 ac54% of homes60% of homes
Year builtnewer than19492% of homes6% of homes

About 121 N Knox St

How much is 121 N Knox St, Star, ID worth?

The TopHap Estimate for 121 N Knox St, Star, ID is $380,063 as of Sep 24, 2026. The likely range is $362,265 to $397,861. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 N Knox St, Star, ID last sell?

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

How big is 121 N Knox St, Star, ID?

121 N Knox St, Star, ID has 3 bedrooms, 2.5 bathrooms, 1,926 square feet of living space and a 0.21-acre lot.

When was 121 N Knox St, Star, ID built?

121 N Knox St, Star, ID was built in 1949, making it 77 years old. It is a bi-level home. The building has 2 stories.

What schools serve 121 N Knox St, Star, ID?

121 N 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 121 N Knox St, Star, ID compare to other homes in Star 83669?

Among the 9,379 homes in Star 83669, it is worth more than 4% of them ($380,063 against a typical $597,460), its price per square foot is higher than 3% of them ($197 against a typical $280), it is bigger than 29% of them (1,926 ft² against a typical 2,274 ft²), its lot is bigger than 54% of them (0.21 ac against a typical 0.2 ac) and it is newer than 2% of them (1949 against a typical 2019). Measured against all of Ada County, it is worth more than 9% 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 121 N Knox St, Star, ID?

The 2025 property tax bill for 121 N Knox St, Star, ID was $967. The county assessed it at $455,200.

More homes on N Knox St

Closest homes

More homes in Star 83669

Assigned schools

Explore the area

See this home in context

Open 121 N 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