Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,310,779$246 / 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 88How 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 $1,270,000 on Sep 30, 2025

3812 RIVERSIDE DR

MASON, OH 45040
5
Beds
4.5
Baths
5,337 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.1M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,270,000 · Sep 30, 2025
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.$1,310,779
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,048,623

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,922 (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.$270,170 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$270,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$771,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWARREN
Lot (acres)The size of the land the home sits on, from county records.0.53
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.In-Ground Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 324 ft²

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.

H
Mason High SchoolA
High · Grades 9–12 · 1.9 mi
E
Mason Early Childhood Center
Elementary · Grades PK–2 · 2.1 mi
M
Mason Middle SchoolA-
Middle · Grades 7–8 · 2.3 mi

District: Mason City School District

Neighborhood · ZIP 45040These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.213
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.59,829
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,962 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,727
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,618
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

3812 Riverside 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.

  • Among the most valuable homes in Carmelle
  • Costs more per square foot than 75% of homes in Warren County
  • Among the largest homes in Mason 45040
  • Has a bigger lot than 90% of homes in Carmelle
  • Newer than 86% of homes in Mason 45040

What homes are worth in Mason 45040

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

This home
$187K$1.3M

This home is worth more than 98% of homes in Mason 45040.

How it measures up in Mason 45040

The dot is this home. The mark in the middle is the typical home in Mason 45040.

Estimated value$1,310,779
CheaperTypical $493,925Pricier

Pricier than 98% of homes nearby

Price per ft²$246
CheaperTypical $225Pricier

Pricier than 67% of homes nearby

Living area5,337 ft²
SmallerTypical 2,213 ft²Bigger

Bigger than almost all homes nearby

Lot size0.52 ac
SmallerTypical 0.34 acBigger

Bigger than 84% of homes nearby

Year built2007
OlderTypical 1998Newer

Newer than 86% of homes nearby

How 3812 Riverside Dr ranks against every home in each area.
MeasureThis homeCarmelleMason 45040Warren County
Estimated valuepricier than$1,310,779almost all homes98% of homesalmost all homes
Price per ft²pricier than$24671% of homes67% of homes75% of homes
Living areabigger than5,337 ft²97% of homesalmost all homesalmost all homes
Lot sizebigger than0.52 ac90% of homes84% of homes70% of homes
Year builtnewer than200718% of homes86% of homes81% of homes

About 3812 Riverside Dr

How much is 3812 Riverside Dr, Mason, OH worth?

The TopHap Estimate for 3812 Riverside Dr, Mason, OH is $1,310,779 as of Jul 14, 2026. The likely range is $1,148,379 to $1,473,179. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3812 Riverside Dr, Mason, OH last sell?

3812 Riverside Dr, Mason, OH last sold on Sep 30, 2025 for $1,270,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3812 Riverside Dr, Mason, OH?

3812 Riverside Dr, Mason, OH has 5 bedrooms, 4.5 bathrooms, 5,337 square feet of living space and a 0.53-acre lot.

When was 3812 Riverside Dr, Mason, OH built?

3812 Riverside Dr, Mason, OH was built in 2007, making it 19 years old. The building has 2 stories.

What schools serve 3812 Riverside Dr, Mason, OH?

3812 Riverside Dr, Mason, OH is assigned to Mason High School (high), rated A; Mason Early Childhood Center (elementary); Mason Middle School (middle), rated A-. All sit in Mason City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3812 Riverside Dr, Mason, OH compare to other homes in Mason 45040?

Among the 19,207 homes in Mason 45040, it is worth more than 98% of them ($1,310,779 against a typical $493,925), its price per square foot is higher than 67% of them ($246 against a typical $225), it is bigger than almost all of them (5,337 ft² against a typical 2,213 ft²), its lot is bigger than 84% of them (0.52 ac against a typical 0.34 ac) and it is newer than 86% of them (2007 against a typical 1998). Measured against all of Warren County, it is worth more than almost all 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 3812 Riverside Dr, Mason, OH?

The 2025 property tax bill for 3812 Riverside Dr, Mason, OH was $10,922. The county assessed it at $270,170.

More homes on Riverside Dr

Closest homes

More homes in Mason 45040

Assigned schools

Explore the area

See this home in context

Open 3812 Riverside 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