Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$438,762$416 / 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

4300 W CASTLEBAR CT

BOISE, ID 83703
3
Beds
1
Baths
1,054 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
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

$439K
$418K low$460K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,052 (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.$374,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$368,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$374,600

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
Lot (acres)The size of the land the home sits on, from county records.0.17
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
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 140 ft²

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

E
Collister Elementary SchoolA+
Elementary · Grades PK–6 · 0.3 mi
M
Hillside Junior High SchoolB-
Middle · Grades 7–9 · 0.6 mi
H
Boise Senior High SchoolB
High · Grades 9–12 · 3.3 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83703These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
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.19,740
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,019 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,014
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,744
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

4300 W Castlebar Ct 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 86% of homes in Collister
  • Costs more per square foot than 90% of homes in Ada County
  • Smaller than 94% of homes in Ada County
  • Has a smaller lot than 68% of homes in Collister
  • Older than 74% of homes in Ada County

What homes are worth in Boise 83703

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

This home
$299K$1.5M

This home is worth more than 20% of homes in Boise 83703.

How it measures up in Boise 83703

The dot is this home. The mark in the middle is the typical home in Boise 83703.

Estimated value$438,762
CheaperTypical $563,445Pricier

Pricier than 20% of homes nearby

Price per ft²$416
CheaperTypical $361Pricier

Pricier than 81% of homes nearby

Living area1,054 ft²
SmallerTypical 1,664 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.17 ac
SmallerTypical 0.19 acBigger

Bigger than 37% of homes nearby

Year built1982
OlderTypical 1984Newer

Newer than 48% of homes nearby

How 4300 W Castlebar Ct ranks against every home in each area.
MeasureThis homeCollisterBoise 83703Ada County
Estimated valuepricier than$438,76214% of homes20% of homes25% of homes
Price per ft²pricier than$41687% of homes81% of homes90% of homes
Living areabigger than1,054 ft²8% of homes12% of homes6% of homes
Lot sizebigger than0.17 ac32% of homes37% of homes37% of homes
Year builtnewer than198241% of homes48% of homes26% of homes

About 4300 W Castlebar Ct

How much is 4300 W Castlebar Ct, Boise, ID worth?

The TopHap Estimate for 4300 W Castlebar Ct, Boise, ID is $438,762 as of Sep 24, 2026. The likely range is $417,953 to $459,571. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4300 W Castlebar Ct, Boise, ID last sell?

4300 W Castlebar Ct, Boise, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4300 W Castlebar Ct, Boise, ID?

4300 W Castlebar Ct, Boise, ID has 3 bedrooms, 1 bathrooms, 1,054 square feet of living space and a 0.17-acre lot.

When was 4300 W Castlebar Ct, Boise, ID built?

4300 W Castlebar Ct, Boise, ID was built in 1982, making it 44 years old. It is a conventional home. The building has 1 story.

What schools serve 4300 W Castlebar Ct, Boise, ID?

4300 W Castlebar Ct, Boise, ID is assigned to Collister Elementary School (elementary), rated A+; Hillside Junior High School (middle), rated B-; Boise Senior High School (high), rated B. All sit in Boise City Independent School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4300 W Castlebar Ct, Boise, ID compare to other homes in Boise 83703?

Among the 6,475 homes in Boise 83703, it is worth more than 20% of them ($438,762 against a typical $563,445), its price per square foot is higher than 81% of them ($416 against a typical $361), it is bigger than 12% of them (1,054 ft² against a typical 1,664 ft²), its lot is bigger than 37% of them (0.17 ac against a typical 0.19 ac) and it is newer than 48% of them (1982 against a typical 1984). Measured against all of Ada County, it is worth more than 25% 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 4300 W Castlebar Ct, Boise, ID?

The 2025 property tax bill for 4300 W Castlebar Ct, Boise, ID was $2,052. The county assessed it at $374,600.

More homes on W Castlebar Ct

Closest homes

More homes in Boise 83703

Assigned schools

Explore the area

See this home in context

Open 4300 W Castlebar Ct 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