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Duplex (2 Units, Any Combination)Residential

850 W WILLIAMS ST

BOISE, ID 83706
4
Beds
2
Baths
2,240 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,917 (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.$537,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$532,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$537,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
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.0.28
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
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 · 133 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 · 0.1 mi
H
Timberline High SchoolA-
High · Grades 10–12 · 1.3 mi
M
East Junior High SchoolA
Middle · Grades 7–9 · 4.3 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

850 W Williams 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.

  • Bigger than 80% of homes in Boise 83706
  • Has a bigger lot than 88% of homes in Boise 83706
  • Older than 80% of homes in Ada County

How it measures up in Boise 83706

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

Living area2,240 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.28 ac
SmallerTypical 0.17 acBigger

Bigger than 88% of homes nearby

Year built1976
OlderTypical 1980Newer

Newer than 36% of homes nearby

How 850 W Williams St ranks against every home in each area.
MeasureThis homeBoise 83706Ada County
Living areabigger than2,240 ft²80% of homes64% of homes
Lot sizebigger than0.28 ac88% of homes79% of homes
Year builtnewer than197636% of homes20% of homes

About 850 W Williams St

When did 850 W Williams St, Boise, ID last sell?

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

How big is 850 W Williams St, Boise, ID?

850 W Williams St, Boise, ID has 4 bedrooms, 2 bathrooms, 2,240 square feet of living space and a 0.28-acre lot.

When was 850 W Williams St, Boise, ID built?

850 W Williams St, Boise, ID was built in 1976, making it 50 years old. It is a conventional home. The building has 1 story.

What schools serve 850 W Williams St, Boise, ID?

850 W Williams St, 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 850 W Williams St, Boise, ID compare to other homes in Boise 83706?

Among the 10,659 homes in Boise 83706, it is bigger than 80% of them (2,240 ft² against a typical 1,584 ft²), its lot is bigger than 88% of them (0.28 ac against a typical 0.17 ac) and it is newer than 36% of them (1976 against a typical 1980). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 850 W Williams St, Boise, ID?

The 2025 property tax bill for 850 W Williams St, Boise, ID was $4,917. The county assessed it at $537,200.

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