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Single Family ResidenceResidential
$88,238$74 / 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 50How 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

520 ELM ST

MACKAY, ID 83251
2
Beds
1
Baths
1,186 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.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$88K
$44K low$133K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,229 (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.$195,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,440
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$172,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$191,520
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$195,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCuster
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1975
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 400 ft²

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

M
Mackay Jr/Sr High SchoolD+
Middle · Grades 7–12 · 0.4 mi
E
Mackay Elementary SchoolC+
Elementary · Grades PK–6 · 0.4 mi

District: Mackay Joint School District 182

Neighborhood · ZIP 83251These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.208

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.68%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.1,211
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,038
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,577
Average tempThe average temperature here across a full year.35°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

520 Elm 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 98% of homes in Custer County
  • Costs less per square foot than 95% of homes in Custer County
  • Older than 90% of homes in Custer County

What homes are worth in Mackay 83251

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

This home
$72K$1M

This home is worth more than 4% of homes in Mackay 83251.

How it measures up in Mackay 83251

The dot is this home. The mark in the middle is the typical home in Mackay 83251.

Estimated value$88,238
CheaperTypical $320,314Pricier

Pricier than 4% of homes nearby

Price per ft²$74
CheaperTypical $232Pricier

Pricier than 6% of homes nearby

Living area1,186 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 43% of homes nearby

Year built1940
OlderTypical 1986Newer

Newer than 14% of homes nearby

How 520 Elm St ranks against every home in each area.
MeasureThis homeMackay 83251Custer County
Estimated valuepricier than$88,2384% of homes2% of homes
Price per ft²pricier than$746% of homes5% of homes
Living areabigger than1,186 ft²43% of homes38% of homes
Year builtnewer than194014% of homes10% of homes

About 520 Elm St

How much is 520 Elm St, Mackay, ID worth?

The TopHap Estimate for 520 Elm St, Mackay, ID is $88,238 as of Aug 30, 2026. The likely range is $43,878 to $132,598. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Elm St, Mackay, ID last sell?

520 Elm St, Mackay, ID last sold on Jul 2, 2018, according to the county's recorded deed.

How big is 520 Elm St, Mackay, ID?

520 Elm St, Mackay, ID has 2 bedrooms, 1 bathrooms and 1,186 square feet of living space.

When was 520 Elm St, Mackay, ID built?

520 Elm St, Mackay, ID was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 520 Elm St, Mackay, ID?

520 Elm St, Mackay, ID is assigned to Mackay Jr/Sr High School (middle), rated D+; Mackay Elementary School (elementary), rated C+. All sit in Mackay Joint School District 182. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Elm St, Mackay, ID compare to other homes in Mackay 83251?

Among the 989 homes in Mackay 83251, it is worth more than 4% of them ($88,238 against a typical $320,314), its price per square foot is higher than 6% of them ($74 against a typical $232), it is bigger than 43% of them (1,186 ft² against a typical 1,340 ft²) and it is newer than 14% of them (1940 against a typical 1986). Measured against all of Custer County, it is worth more than 2% 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 520 Elm St, Mackay, ID?

The 2025 property tax bill for 520 Elm St, Mackay, ID was $1,229. The county assessed it at $195,800.

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Assigned schools

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