Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$428,319$277 / 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 76How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

314 W UNION ST

BOISE, ID 83702
4
Beds
1
Baths
1,547 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
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

$428K
$323K low$533K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,489 (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.$416,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$378,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$416,900

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.0.09
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.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Longfellow Elementary SchoolB+
Elementary · Grades PK–6 · 0.5 mi
H
Boise Senior High SchoolA-
High · Grades 9–12 · 0.5 mi
M
North Junior High SchoolA
Middle · Grades 7–9 · 0.6 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83702These 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.138
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 100.69

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
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.27,736
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.404 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,131
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,125
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

314 W Union 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 more per square foot than 81% of homes in Ada County
  • Smaller than 71% of homes in Ada County
  • Has a smaller lot than 92% of homes in Ada County
  • Older than 98% of homes in Ada County

What homes are worth in Boise 83702

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

This home
$181K$1.6M

This home is worth more than 47% of homes in Boise 83702.

How it measures up in Boise 83702

The dot is this home. The mark in the middle is the typical home in Boise 83702.

Estimated value$428,319
CheaperTypical $441,968Pricier

Pricier than 47% of homes nearby

Price per ft²$277
CheaperTypical $249Pricier

Pricier than 60% of homes nearby

Living area1,547 ft²
SmallerTypical 1,903 ft²Bigger

Bigger than 35% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.14 acBigger

Bigger than 17% of homes nearby

Year built1920
OlderTypical 1953Newer

Newer than 24% of homes nearby

How 314 W Union St ranks against every home in each area.
MeasureThis homeNorth EndBoise 83702Ada County
Estimated valuepricier than$428,31952% of homes47% of homes64% of homes
Price per ft²pricier than$27759% of homes60% of homes81% of homes
Living areabigger than1,547 ft²38% of homes35% of homes29% of homes
Lot sizebigger than3,920 ft²10% of homes17% of homes8% of homes
Year builtnewer than192043% of homes24% of homes2% of homes

About 314 W Union St

How much is 314 W Union St, Boise, ID worth?

The TopHap Estimate for 314 W Union St, Boise, ID is $428,319 as of Aug 30, 2026. The likely range is $323,393 to $533,245. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 314 W Union St, Boise, ID last sell?

314 W Union St, Boise, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 314 W Union St, Boise, ID?

314 W Union St, Boise, ID has 4 bedrooms, 1 bathrooms, 1,547 square feet of living space and a 0.09-acre lot.

When was 314 W Union St, Boise, ID built?

314 W Union St, Boise, ID was built in 1920, making it 106 years old. It is a conventional home. The building has 1 story.

What schools serve 314 W Union St, Boise, ID?

314 W Union St, Boise, ID is assigned to Longfellow Elementary School (elementary), rated B+; Boise Senior High School (high), rated A-; North 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 314 W Union St, Boise, ID compare to other homes in Boise 83702?

Among the 8,369 homes in Boise 83702, it is worth more than 47% of them ($428,319 against a typical $441,968), its price per square foot is higher than 60% of them ($277 against a typical $249), it is bigger than 35% of them (1,547 ft² against a typical 1,903 ft²), its lot is bigger than 17% of them (3,920 ft² against a typical 0.14 ac) and it is newer than 24% of them (1920 against a typical 1953). Measured against all of Ada County, it is worth more than 64% 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 314 W Union St, Boise, ID?

The 2025 property tax bill for 314 W Union St, Boise, ID was $3,489. The county assessed it at $416,900.

More homes on W Union St

Closest homes

More homes in Boise 83702

Assigned schools

Explore the area

See this home in context

Open 314 W Union 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