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Single Family ResidenceResidential
$475,403$345 / 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 97How 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

6145 N PORTSMOUTH AVE

BOISE, ID 83714
3
Beds
2
Baths
1,377 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.
1989
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$475K
$461K low$490K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,139 (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.$435,400 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$437,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$435,400

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.0.21
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
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.Patio · 248 ft²Porch · 100 ft²

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.

M
Riverglen Jr High SchoolC-
Middle · Grades 7–9 · 0.5 mi
E
Pierce Park Elementary SchoolB-
Elementary · Grades PK–6 · 0.7 mi
H
Capital Senior High SchoolC
High · Grades 9–12 · 2.3 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83714These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
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.28,922
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.561 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,804
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,489
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

Owner Tools

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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

6145 N Portsmouth Ave 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 67% of homes in Garden City 83714
  • Costs more per square foot than 77% of homes in Ada County
  • Smaller than 81% of homes in Ada County
  • Has a bigger lot than 84% of homes in Pierce Park
  • Older than 82% of homes in Garden City 83714

What homes are worth in Garden City 83714

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

This home
$323K$1.7M

This home is worth more than 33% of homes in Garden City 83714.

How it measures up in Garden City 83714

The dot is this home. The mark in the middle is the typical home in Garden City 83714.

Estimated value$475,403
CheaperTypical $589,781Pricier

Pricier than 33% of homes nearby

Price per ft²$345
CheaperTypical $326Pricier

Pricier than 67% of homes nearby

Living area1,377 ft²
SmallerTypical 1,890 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 60% of homes nearby

Year built1989
OlderTypical 2003Newer

Newer than 18% of homes nearby

How 6145 N Portsmouth Ave ranks against every home in each area.
MeasureThis homePierce ParkGarden City 83714Ada County
Estimated valuepricier than$475,40359% of homes33% of homes36% of homes
Price per ft²pricier than$34564% of homes67% of homes77% of homes
Living areabigger than1,377 ft²47% of homes23% of homes19% of homes
Lot sizebigger than0.21 ac84% of homes60% of homes61% of homes
Year builtnewer than198944% of homes18% of homes31% of homes

About 6145 N Portsmouth Ave

How much is 6145 N Portsmouth Ave, Boise, ID worth?

The TopHap Estimate for 6145 N Portsmouth Ave, Boise, ID is $475,403 as of Sep 24, 2026. The likely range is $461,226 to $489,580. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6145 N Portsmouth Ave, Boise, ID last sell?

6145 N Portsmouth Ave, Boise, ID last sold on Sep 3, 2010, according to the county's recorded deed.

How big is 6145 N Portsmouth Ave, Boise, ID?

6145 N Portsmouth Ave, Boise, ID has 3 bedrooms, 2 bathrooms, 1,377 square feet of living space and a 0.21-acre lot.

When was 6145 N Portsmouth Ave, Boise, ID built?

6145 N Portsmouth Ave, Boise, ID was built in 1989, making it 37 years old. It is a conventional home. The building has 1 story.

What schools serve 6145 N Portsmouth Ave, Boise, ID?

6145 N Portsmouth Ave, Boise, ID is assigned to Riverglen Jr High School (middle), rated C-; Pierce Park Elementary School (elementary), rated B-; Capital Senior High School (high), rated C. All sit in Boise City Independent School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6145 N Portsmouth Ave, Boise, ID compare to other homes in Garden City 83714?

Among the 10,742 homes in Garden City 83714, it is worth more than 33% of them ($475,403 against a typical $589,781), its price per square foot is higher than 67% of them ($345 against a typical $326), it is bigger than 23% of them (1,377 ft² against a typical 1,890 ft²), its lot is bigger than 60% of them (0.21 ac against a typical 0.18 ac) and it is newer than 18% of them (1989 against a typical 2003). Measured against all of Ada County, it is worth more than 36% 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 6145 N Portsmouth Ave, Boise, ID?

The 2025 property tax bill for 6145 N Portsmouth Ave, Boise, ID was $1,139. The county assessed it at $435,400.

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