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Single Family ResidenceResidential
$969,435$407 / 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 73How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

421 S RIVER ST

HAILEY, ID 83333
4
Beds
3
Baths
2,380 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

$969K
$711K low$1.2M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$209,435
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$167,548
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.93%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$560,000
MOUNTAIN WEST BANK · recorded Jan 13, 2017
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$200,000
IDAHO FIRST BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,788 (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.$1,287,592 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$668,138
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$619,454
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,395,755
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,287,592

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBlaine
Lot (acres)The size of the land the home sits on, from county records.0.49

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.

E
Hailey Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
M
Wood River Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
H
Wood River High SchoolC
High · Grades 9–12 · 1.1 mi

District: Blaine County School District 61

Neighborhood · ZIP 83333These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.111

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
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.13,982
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.40 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,951
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,511
Average tempThe average temperature here across a full year.39°F
Annual precipHow much rain and melted snow falls here in a typical year.23 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

421 S River 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 less per square foot than 85% of homes in Blaine County
  • Bigger than 69% of homes in Hailey 83333
  • Has a bigger lot than 65% of homes in Hailey 83333
  • Among the oldest homes in Hailey 83333

What homes are worth in Hailey 83333

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

This home
$297K$6M

This home is worth more than 50% of homes in Hailey 83333.

How it measures up in Hailey 83333

The dot is this home. The mark in the middle is the typical home in Hailey 83333.

Estimated value$969,435
CheaperTypical $958,398Pricier

Pricier than 50% of homes nearby

Price per ft²$407
CheaperTypical $540Pricier

Pricier than 17% of homes nearby

Living area2,380 ft²
SmallerTypical 1,780 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.49 ac
SmallerTypical 0.29 acBigger

Bigger than 65% of homes nearby

Year built1900
OlderTypical 1994Newer

Older than almost all homes nearby

How 421 S River St ranks against every home in each area.
MeasureThis homeHailey 83333Blaine County
Estimated valuepricier than$969,43550% of homes47% of homes
Price per ft²pricier than$40717% of homes15% of homes
Living areabigger than2,380 ft²69% of homes69% of homes
Lot sizebigger than0.49 ac65% of homes62% of homes
Year builtnewer than1900almost no homesalmost no homes

About 421 S River St

How much is 421 S River St, Hailey, ID worth?

The TopHap Estimate for 421 S River St, Hailey, ID is $969,435 as of Jul 14, 2026. The likely range is $711,291 to $1,227,579. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 421 S River St, Hailey, ID?

421 S River St, Hailey, ID has 4 bedrooms, 3 bathrooms, 2,380 square feet of living space and a 0.49-acre lot.

When was 421 S River St, Hailey, ID built?

421 S River St, Hailey, ID was built in 1900, making it 126 years old.

What schools serve 421 S River St, Hailey, ID?

421 S River St, Hailey, ID is assigned to Hailey Elementary School (elementary), rated B; Wood River Middle School (middle), rated C-; Wood River High School (high), rated C. All sit in Blaine County School District 61. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S River St, Hailey, ID compare to other homes in Hailey 83333?

Among the 5,376 homes in Hailey 83333, it is worth more than 50% of them ($969,435 against a typical $958,398), its price per square foot is higher than 17% of them ($407 against a typical $540), it is bigger than 69% of them (2,380 ft² against a typical 1,780 ft²), its lot is bigger than 65% of them (0.49 ac against a typical 0.29 ac) and it is newer than almost none of them (1900 against a typical 1994). Measured against all of Blaine County, it is worth more than 47% 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 421 S River St, Hailey, ID?

The 2025 property tax bill for 421 S River St, Hailey, ID was $3,788. The county assessed it at $1,287,592.

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Assigned schools

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