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Single Family ResidenceResidential
$482,887$289 / 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 84How 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 $489,333 on Jan 30, 2025

721 W SULLIVAN ST

BOISE, ID 83706
4
Beds
3
Baths
1,672 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$483K
$405K low$561K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$489,333 · Jan 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,199 (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.$506,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$504,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$506,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyADA
Lot (acres)The size of the land the home sits on, from county records.0.16
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.DeckPatio · 470 ft²

Transaction History(4)

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
White Pine Elementary SchoolA-
Elementary · Grades PK–6 · 0.7 mi
H
Timberline High SchoolA
High · Grades 10–12 · 0.8 mi
M
Les Bois Junior High SchoolA-
Middle · Grades 6–9 · 3.4 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

721 W Sullivan 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.

  • Costs less per square foot than 87% of homes in Boise 83706
  • Has a smaller lot than 67% of homes in Ada County
  • Older than 79% 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
$256K$1.5M

This home is worth more than 40% 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$482,887
CheaperTypical $522,908Pricier

Pricier than 40% of homes nearby

Price per ft²$289
CheaperTypical $352Pricier

Pricier than 13% of homes nearby

Living area1,672 ft²
SmallerTypical 1,590 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.16 ac
SmallerTypical 0.17 acBigger

Bigger than 46% of homes nearby

Year built1977
OlderTypical 1980Newer

Newer than 41% of homes nearby

How 721 W Sullivan St ranks against every home in each area.
MeasureThis homeBoise 83706Ada County
Estimated valuepricier than$482,88740% of homes38% of homes
Price per ft²pricier than$28913% of homes46% of homes
Living areabigger than1,672 ft²56% of homes36% of homes
Lot sizebigger than0.16 ac46% of homes33% of homes
Year builtnewer than197741% of homes21% of homes

About 721 W Sullivan St

How much is 721 W Sullivan St, Boise, ID worth?

The TopHap Estimate for 721 W Sullivan St, Boise, ID is $482,887 as of Sep 24, 2026. The likely range is $404,649 to $561,125. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 721 W Sullivan St, Boise, ID last sell?

721 W Sullivan St, Boise, ID last sold on Jan 30, 2025 for $489,333, according to the county's recorded deed.

How big is 721 W Sullivan St, Boise, ID?

721 W Sullivan St, Boise, ID has 4 bedrooms, 3 bathrooms, 1,672 square feet of living space and a 0.16-acre lot.

When was 721 W Sullivan St, Boise, ID built?

721 W Sullivan St, Boise, ID was built in 1977, making it 49 years old. The building has 2 stories.

What schools serve 721 W Sullivan St, Boise, ID?

721 W Sullivan St, Boise, ID is assigned to White Pine Elementary School (elementary), rated A-; Timberline High School (high), rated A; Les Bois 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 721 W Sullivan St, Boise, ID compare to other homes in Boise 83706?

Among the 10,659 homes in Boise 83706, it is worth more than 40% of them ($482,887 against a typical $522,908), its price per square foot is higher than 13% of them ($289 against a typical $352), it is bigger than 56% of them (1,672 ft² against a typical 1,590 ft²), its lot is bigger than 46% of them (0.16 ac against a typical 0.17 ac) and it is newer than 41% of them (1977 against a typical 1980). Measured against all of Ada County, it is worth more than 38% 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 721 W Sullivan St, Boise, ID?

The 2025 property tax bill for 721 W Sullivan St, Boise, ID was $3,199. The county assessed it at $506,900.

More homes on W Sullivan St

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Assigned schools

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