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Single Family ResidenceResidential
$446,427$330 / 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 93How 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

307 S OPAL ST

BOISE, ID 83705
4
Beds
1.5
Baths
1,352 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
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

$446K
$415K low$477K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,399 (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.$385,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$367,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$385,300

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.0.24
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, Detached
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.Porch · 30 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
South Junior High SchoolD+
Middle · Grades 7–9 · 0.5 mi
E
Jefferson Elementary SchoolD+
Elementary · Grades PK–6 · 0.7 mi
H
Borah Senior High SchoolC-
High · Grades 9–12 · 2.2 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83705These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
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.94%
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.13%
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.29,837
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,213 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,353
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,833
Average tempThe average temperature here across a full year.50°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

307 S Opal 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.

  • Worth less than 72% of homes in Ada County
  • Costs more per square foot than 70% of homes in Ada County
  • Smaller than 82% of homes in Ada County
  • Has a bigger lot than 77% of homes in Boise 83705
  • Older than 94% of homes in Ada County

What homes are worth in Boise 83705

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

This home
$268K$956K

This home is worth more than 53% of homes in Boise 83705.

How it measures up in Boise 83705

The dot is this home. The mark in the middle is the typical home in Boise 83705.

Estimated value$446,427
CheaperTypical $439,990Pricier

Pricier than 53% of homes nearby

Price per ft²$330
CheaperTypical $320Pricier

Pricier than 58% of homes nearby

Living area1,352 ft²
SmallerTypical 1,435 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.24 ac
SmallerTypical 0.18 acBigger

Bigger than 77% of homes nearby

Year built1948
OlderTypical 1960Newer

Newer than 21% of homes nearby

How 307 S Opal St ranks against every home in each area.
MeasureThis homeDepot BenchBoise 83705Ada County
Estimated valuepricier than$446,42735% of homes53% of homes28% of homes
Price per ft²pricier than$33041% of homes58% of homes70% of homes
Living areabigger than1,352 ft²40% of homes44% of homes18% of homes
Lot sizebigger than0.24 ac76% of homes77% of homes70% of homes
Year builtnewer than194837% of homes21% of homes6% of homes

About 307 S Opal St

How much is 307 S Opal St, Boise, ID worth?

The TopHap Estimate for 307 S Opal St, Boise, ID is $446,427 as of Oct 21, 2026. The likely range is $415,357 to $477,497. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 S Opal St, Boise, ID last sell?

307 S Opal St, Boise, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 307 S Opal St, Boise, ID?

307 S Opal St, Boise, ID has 4 bedrooms, 1.5 bathrooms, 1,352 square feet of living space and a 0.24-acre lot.

When was 307 S Opal St, Boise, ID built?

307 S Opal St, Boise, ID was built in 1948, making it 78 years old. It is a conventional home. The building has 1 story.

What schools serve 307 S Opal St, Boise, ID?

307 S Opal St, Boise, ID is assigned to South Junior High School (middle), rated D+; Jefferson Elementary School (elementary), rated D+; Borah 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 307 S Opal St, Boise, ID compare to other homes in Boise 83705?

Among the 9,165 homes in Boise 83705, it is worth more than 53% of them ($446,427 against a typical $439,990), its price per square foot is higher than 58% of them ($330 against a typical $320), it is bigger than 44% of them (1,352 ft² against a typical 1,435 ft²), its lot is bigger than 77% of them (0.24 ac against a typical 0.18 ac) and it is newer than 21% of them (1948 against a typical 1960). Measured against all of Ada County, it is worth more than 28% 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 307 S Opal St, Boise, ID?

The 2025 property tax bill for 307 S Opal St, Boise, ID was $3,399. The county assessed it at $385,300.

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