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Single Family ResidenceResidential
$630,565$355 / 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 Oct 21, 2026

400 W MAYFAIR CT

BOISE, ID 83706
3
Beds
2
Baths
1,778 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$631K
$595K low$666K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,461 (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.$537,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$535,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$537,600

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
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Deck · 84 ft²Patio · 150 ft²Porch · 84 ft²

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

E
Garfield Elementary SchoolD-
Elementary · Grades PK–6 · 0.4 mi
H
Timberline High SchoolA-
High · Grades 10–12 · 1.1 mi
M
East Junior High SchoolA
Middle · Grades 7–9 · 4.0 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83706These 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.133
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 100.68

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.37,002
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,927 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,866
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,193
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

400 W Mayfair 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 more than 70% of homes in Boise 83706
  • Costs more per square foot than 79% of homes in Ada County
  • Older than 71% of homes in Ada County

What homes are worth in Boise 83706

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

This home
$255K$1.5M

This home is worth more than 70% of homes in Boise 83706.

How it measures up in Boise 83706

The dot is this home. The mark in the middle is the typical home in Boise 83706.

Estimated value$630,565
CheaperTypical $519,202Pricier

Pricier than 70% of homes nearby

Price per ft²$355
CheaperTypical $351Pricier

Pricier than 52% of homes nearby

Living area1,778 ft²
SmallerTypical 1,590 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.19 ac
SmallerTypical 0.17 acBigger

Bigger than 61% of homes nearby

Year built1987
OlderTypical 1980Newer

Newer than 64% of homes nearby

How 400 W Mayfair Ct ranks against every home in each area.
MeasureThis homeBoise 83706Ada County
Estimated valuepricier than$630,56570% of homes66% of homes
Price per ft²pricier than$35552% of homes79% of homes
Living areabigger than1,778 ft²62% of homes42% of homes
Lot sizebigger than0.19 ac61% of homes48% of homes
Year builtnewer than198764% of homes29% of homes

About 400 W Mayfair Ct

How much is 400 W Mayfair Ct, Boise, ID worth?

The TopHap Estimate for 400 W Mayfair Ct, Boise, ID is $630,565 as of Oct 21, 2026. The likely range is $595,139 to $665,991. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 W Mayfair Ct, Boise, ID last sell?

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

How big is 400 W Mayfair Ct, Boise, ID?

400 W Mayfair Ct, Boise, ID has 3 bedrooms, 2 bathrooms, 1,778 square feet of living space and a 0.19-acre lot.

When was 400 W Mayfair Ct, Boise, ID built?

400 W Mayfair Ct, Boise, ID was built in 1987, making it 39 years old. It is a conventional home. The building has 1 story.

What schools serve 400 W Mayfair Ct, Boise, ID?

400 W Mayfair Ct, Boise, ID is assigned to Garfield Elementary School (elementary), rated D-; Timberline High School (high), rated A-; East Junior High School (middle), rated A. All sit in Boise City Independent School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 W Mayfair Ct, Boise, ID compare to other homes in Boise 83706?

Among the 10,659 homes in Boise 83706, it is worth more than 70% of them ($630,565 against a typical $519,202), its price per square foot is higher than 52% of them ($355 against a typical $351), it is bigger than 62% of them (1,778 ft² against a typical 1,590 ft²), its lot is bigger than 61% of them (0.19 ac against a typical 0.17 ac) and it is newer than 64% of them (1987 against a typical 1980). Measured against all of Ada County, it is worth more than 66% 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 400 W Mayfair Ct, Boise, ID?

The 2025 property tax bill for 400 W Mayfair Ct, Boise, ID was $3,461. The county assessed it at $537,600.

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