Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$488,636$256 / 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 90How 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
Last sold for $371,205 on Nov 26, 2018

9457 RIVIERA DR

UNION, KY 41091
3
Beds
2
Baths
1,909 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$489K
$438K low$539K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$371,205 · Nov 26, 2018
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.$177,336
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$141,869
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.66%
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.$311,300
QUICKEN LOANS LLC · recorded Mar 18, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,223 (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.$371,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$371,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$371,200

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
CountyBoone
Lot (acres)The size of the land the home sits on, from county records.0.35
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Ballyshannon Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi
E
Erpenbeck Elementary SchoolA-
Elementary · Grades KG–5 · 1.5 mi
H
Randall K. Cooper High SchoolA-
High · Grades 9–12 · 2.2 mi

District: Boone County School District

Neighborhood · ZIP 41091These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.207
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.25,996
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.496 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,284
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

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

9457 Riviera Dr 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 84% of homes in Boone County
  • Costs more per square foot than 88% of homes in Boone County
  • Smaller than 66% of homes in Union 41091
  • Newer than 93% of homes in Boone County

What homes are worth in Union 41091

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

This home
$209K$981K

This home is worth more than 61% of homes in Union 41091.

How it measures up in Union 41091

The dot is this home. The mark in the middle is the typical home in Union 41091.

Estimated value$488,636
CheaperTypical $434,618Pricier

Pricier than 61% of homes nearby

Price per ft²$256
CheaperTypical $197Pricier

Pricier than 86% of homes nearby

Living area1,909 ft²
SmallerTypical 2,250 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.35 ac
SmallerTypical 0.35 acBigger

Bigger than 50% of homes nearby

Year built2018
OlderTypical 2004Newer

Newer than 85% of homes nearby

How 9457 Riviera Dr ranks against every home in each area.
MeasureThis homeUnion 41091Boone County
Estimated valuepricier than$488,63661% of homes84% of homes
Price per ft²pricier than$25686% of homes88% of homes
Living areabigger than1,909 ft²34% of homes59% of homes
Lot sizebigger than0.35 ac50% of homes55% of homes
Year builtnewer than201885% of homes93% of homes

About 9457 Riviera Dr

How much is 9457 Riviera Dr, Union, KY worth?

The TopHap Estimate for 9457 Riviera Dr, Union, KY is $488,636 as of Jul 14, 2026. The likely range is $437,967 to $539,305. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9457 Riviera Dr, Union, KY last sell?

9457 Riviera Dr, Union, KY last sold on Nov 26, 2018 for $371,205, according to the county's recorded deed.

How big is 9457 Riviera Dr, Union, KY?

9457 Riviera Dr, Union, KY has 3 bedrooms, 2 bathrooms, 1,909 square feet of living space and a 0.35-acre lot.

When was 9457 Riviera Dr, Union, KY built?

9457 Riviera Dr, Union, KY was built in 2018, making it 8 years old. It is a conventional home. The building has 1 story.

What schools serve 9457 Riviera Dr, Union, KY?

9457 Riviera Dr, Union, KY is assigned to Ballyshannon Middle School (middle), rated B-; Erpenbeck Elementary School (elementary), rated A-; Randall K. Cooper High School (high), rated A-. All sit in Boone County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9457 Riviera Dr, Union, KY compare to other homes in Union 41091?

Among the 9,801 homes in Union 41091, it is worth more than 61% of them ($488,636 against a typical $434,618), its price per square foot is higher than 86% of them ($256 against a typical $197), it is bigger than 34% of them (1,909 ft² against a typical 2,250 ft²), its lot is bigger than 50% of them (0.35 ac against a typical 0.35 ac) and it is newer than 85% of them (2018 against a typical 2004). Measured against all of Boone County, it is worth more than 84% 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 9457 Riviera Dr, Union, KY?

The 2025 property tax bill for 9457 Riviera Dr, Union, KY was $4,223. The county assessed it at $371,200.

Closest homes

More homes in Union 41091

Assigned schools

Explore the area

See this home in context

Open 9457 Riviera Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map