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Single Family ResidenceResidential
$9,782,567$3,792 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

121 OLD MILL RD

ID
3
Beds
3
Baths
2,580 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.
3.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.

Valuation

$9.8M
$8.7M low$10M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,114 (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.$6,224,252 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,739,163
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,485,089
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,519,288
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$6,224,252

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.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.3.42
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Ernest Hemingway STEAM SchoolB+
Elementary · Grades PK–5 · 2.0 mi
M
Wood River Middle SchoolC-
Middle · Grades 6–8 · 13.0 mi
H
Wood River High SchoolC
High · Grades 9–12 · 14.0 mi

District: Blaine County School District 61

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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

121 Old Mill Rd 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 more than 98% of homes in Blaine County
  • Costs more per square foot than 98% of homes in Blaine County
  • Bigger than 73% of homes in Blaine County
  • Has a bigger lot than 89% of homes in Blaine County

How it measures up in Blaine County

The dot is this home. The mark in the middle is the typical home in Blaine County.

Estimated value$9,782,567
CheaperTypical $1,159,293Pricier

Pricier than 98% of homes nearby

Price per ft²$3792
CheaperTypical $834Pricier

Pricier than 98% of homes nearby

Living area2,580 ft²
SmallerTypical 1,678 ft²Bigger

Bigger than 73% of homes nearby

Lot size3.42 ac
SmallerTypical 0.3 acBigger

Bigger than 89% of homes nearby

Year built1993
OlderTypical 1989Newer

Newer than 58% of homes nearby

How 121 Old Mill Rd ranks against every home in each area.
MeasureThis homeBlaine County
Estimated valuepricier than$9,782,56798% of homes
Price per ft²pricier than$379298% of homes
Living areabigger than2,580 ft²73% of homes
Lot sizebigger than3.42 ac89% of homes
Year builtnewer than199358% of homes

About 121 Old Mill Rd

How much is 121 Old Mill Rd, , ID worth?

The TopHap Estimate for 121 Old Mill Rd, , ID is $9,782,567 as of Sep 24, 2026. The likely range is $8,696,614 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Old Mill Rd, , ID last sell?

121 Old Mill Rd, , ID last sold on Apr 13, 2020, according to the county's recorded deed.

How big is 121 Old Mill Rd, , ID?

121 Old Mill Rd, , ID has 3 bedrooms, 3 bathrooms, 2,580 square feet of living space and a 3.42-acre lot.

When was 121 Old Mill Rd, , ID built?

121 Old Mill Rd, , ID was built in 1993, making it 33 years old.

What schools serve 121 Old Mill Rd, , ID?

121 Old Mill Rd, , ID is assigned to Ernest Hemingway STEAM 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 121 Old Mill Rd, , ID compare to other homes in Blaine County?

Among the 15,365 homes in Blaine County, it is worth more than 98% of them ($9,782,567 against a typical $1,159,293), its price per square foot is higher than 98% of them ($3792 against a typical $834), it is bigger than 73% of them (2,580 ft² against a typical 1,678 ft²), its lot is bigger than 89% of them (3.42 ac against a typical 0.3 ac) and it is newer than 58% of them (1993 against a typical 1989). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 121 Old Mill Rd, , ID?

The 2025 property tax bill for 121 Old Mill Rd, , ID was $14,114. The county assessed it at $6,224,252.

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Assigned schools

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